yaesu-ft-2500m-technical-supplement
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nFTIZ^SOOMMil-Spec 2-m FM TkansceiverTechnical SupplementYAESU MUSEN CO., LTD.C.P.O. Box 1500, Tokyo, JapanYAESU U.S.A.17210 Edwards Rd., Cerritos, California 90203U.S.A.YAESU EUROPE B.V.Snipweg 3. U18DN Schiphol, The NetherlandsYAESU UK LTD.Unit 2, Maple Grove Business CentreLawrence Rd., Hounslow, Middlesex TW4 6DR, UK

I. General InformationContentsIntroduction. .1,-lSpecifications . . . . .].-2ChipComponentlnformation....L-3CircuitDescription. , . .'1,-7Block Diagram.1_-11InterconnectionDiagram ...1-13ExplodedView&MiscellaneousParts...L-15II. ServicingCase Disassembly & PCB AccessLCD & Control Unit AccessLithium Backup Battery ReplacementPanel Lamp Replacement9600 Baud Packet ModificationChannel Display-Only Mode. . .2-'1,2-lAlignment.. .....2-5PLL & Transmitter 2-6PLL VCV (Varactor Control Voltage) . . . 2-6PLLReferenceFrequency . . . . .2-7TrqnsmitterOutput ..2-7TiansmitterDeai.ation . . . . . .2-7Receiver 2-gInterstageTransformers ......2-8S-MeterCalibration. .2-BScannerCenterStop.......2-BSquelch....2-BIII. Board Units (Schematics, Layout & Parts List)VCOUnit.MAINUnit.MIC UnitCNTLUnit .DISPLAYUnit.IV. Optional Board Units (Schematics, Layout & Parts)FRC-5 DTMF Paging Unit2-'t2-1.,-12-4...3A-L. .38-L..3D-L....3E-1,. . 4A-'t_FTS-L7A CTCSS Tone Squelch Unit . . . .48-1-MH-26csyMicrophone . . . .4Cllv{IJ-z7 AsI Microphone . . 4D-7Cut out the label at the right and placeit behind the clear plastic window inthe spine of the manual binder.FT-2500MTechnical Supplement

V'IntroductionThe FT-2500M is Yaesu's new successor to thefamous FT-2400H, the industry's first amateurtransceiver designed to meet rugged U'S' militaryspecifications for shock and vibration (MIL-SPEC 810-C). The FT-2500M is upgraded with anew front panel and control knob layout, andadditional operator features.Selectable power output of 5,25 or 50 wattswithout the need of forced air cooling is possibledue to the large heatsink surface area of the compartmentalizedone-piece diecast chassis. Backlightingfor the large LCD (display) and knobs ism-anually adjustable, or automatically controlledby a photosensor, and the less-used buttons havea flip-down protective cover. The thirty-one tunablememories can each be programmed with a4-character channel name, which can thenbe displayedin place of frequency, as desired.Each memory offers complete programmabilityand scanning functions, such as independenttx/ rx frequencies, independent repeater offsetand CTCSS tone, prografiunable scan limits, selectablescan resume modes and memorY skiP,priority monitoring and a l-touch instant-recallFT-2500M Technical SupplementCALL channel. Channel steps are user-selectablefrom 5 to 50 kHz, and Automatic Repeater Shi<strong>ft</strong>can set standard repeater shi<strong>ft</strong>s when you tune toa repeater subband. A1750-Hz tone generator isincluded in European versions. A 39-tone ProgrammableCTCSS encoder is built in as standard,and the FTS-17ACTCSS unit canbe installedto provide tone squelched private channels and aCTCSS paging bell feature to sound a pagingalert tone when the tone squelch opens.DTMF (Dual-Tone, Multi-Frequency) -basedselective calling and private paging capabilitiescan be easily added with the optional FRC-6,controlled entirely from the front panel. You canselect any of 999 3-digit ID codes for your transceiver,and then have your receiver stay quietuntil your code is received (frorn any standardDTMF-equipped transceiver). When a call is received,the FT-2500M displays the caller's code,and a pagingbeeper canbe set to sound and evento respond to the call automatically. Seven DTMFcode memories store your ID plus those of sixother frequently-called stations or grouPs youwish to monitor.1-1

t-SpecificationsGeneralFrequency Range: t44-146 or 148 MHz T>; or 144-146 MHz or 1.40-174MHz Rx ,_____,Channel Steps:Frequency Stability:Mode of Emission:Antenna Impedance:Supply voltage:5,10,L2.5,I5,20,25 & 50 kHz< +10 ppm (-20" to +60'C)G3E (F3)50 ohms, unbalanced13.8 VDC +10"/", negative groundCurrent Consumption (typical): Rx: 600 mA, Tx hr/mid/low:12/9/5AOperating T"*p. Range:Case Size (WHD):Weight:-20o to +60" C160 x 50 x 180 mm (w/o knobs)1.5 kg (3.31b.)Transmitter \-/OutputPower (high/mid /\ow): 50/25/5WModulation Type:MaximumDeviation:Spurious Radiation:Microphone Impedance:ReceiverCircuit Type:IFs:Variable Reactancet5 kHzless than -60 dB2kQDouble Conversion Superheterodyne21.4}l4'}lz & 455 kHzSensitivity (for 12dB SINAD): better than 0.2 pVSelectivity (-6/-60 dB):IF Rejection:Image Rejection:Maximum AF Output:12/30kHzbetter than 70 dBbetter than 70 dB3.5 W into 4 ohms @10% THDSpecifications are subject to change without notice or obligation.\v1-2FT-2500M Technical Supplement

p Component InformationThe diagrams below indicate some of thedistinguishing features of common chip components.Capacitorsl\>.1 \(Unit I mm)Type L w T32162125r 6083.22.0t.6t.61.250.80.45-0.600.35-0.500.65-0.95Tantalum Capacitors-@QResistorsINDICATED1255Type L w Tt /t01 /162.0t.6LETTERStl!a TOt0 o1.250.80 .450.45Type RMC 1/10W 1/16WMarking* I00,222,47 3"" "t--lTen unitOnell0 0 r0"I 1 l0'2 2 td3 3 td4 4 t05 5 10'6 6 td7 7 10'B B tCII I tdExamples i100 : 10O222 : 2.2kO473 :47kQFT-2500M Technical Supplement1-3

\-------_Chip Component InformationReplacing Chip Comp onentsChip components are installed at the factoryby a series of robots. The first one places a spotof adhesive resin at the location where eachpart is to be installed, and later robots handleand place parts using vacutun suction.For single-sided boards, solder paste is appliedand the board is then baked to harden theresin and flow the solder. For double-sidedboards, no solder paste is applied, but theboard is baked (or exposed to ultra-violet light)to cure the resin before dip soldering.In our laboratories and service shops, smallquantities of chip components are mountedmanually by applying a spot of resin, placingthem with tweezers, and then soldering byvery small dual streams of hot air (withoutphysical contact during soldering). We removeparts by first removing solder using a vacuurnsuction iron, which applies a light, steady vacuumat the iron tip, and then breaking theadhesive with tweezers.The special vacuum soldering/desolderingequipment is recommended if you expect to doa lot of chip replacements. Otherwise, it isusually possible to remove and replace chipcomponents with only a tapered, temperaturecontrolledsoldering iron, a set of tweezers andbraided copper solder wick. Soldering irontemperature should be less than 280'C (536"F).Precautions for Chip ReplacementX Do not disconnect a chip forcefully, or thefoil pattern may peel off the board.X Never re-use a chip component. Dispose ofall removed chip components immediatelyto avoid mixing with new parts.X Limit soldering time to 3 seconds or less toavoid damaging the component and board.Remouing Chrp Comp onents3 Remove the solder at each joint, one joint ata time, using solder wick whetted withnon-acidic flux as shown below. Avoid applyingpressure, and do not attempt to removethe tinning from the chip's electrode.trGrasp the chip on both sides with tweezers,and gently twist the tweezers back andforth (to break the adhesive bond) whilealternately heating each electrode. Be carefulto avoid peeling the foil traces from theboard. Dispose of the chip when removed.D A<strong>ft</strong>er removing the chip, use the copperbraid and soldering iron to which away anyexcess solder and smooth the land for installationof the replacement part.1-4FT-2500M Technical Supplement

Install a Replacement ChipAs thevalue of some chip components is not\__ indicated on the body of the chip, be careful toget the right part for replacement.D Apply a small amount of solder to the landon one side where the chip is to be installed.Avoid too much solder, which may causebridging (shorting to other parts).Chip Component Information\=\fl Hold the chip with tweezers in the desiredposition, and apply the soldering iron witha motion line that indicated by the arrow inthe diagram below. Do not apply heat formore than 3 seconds.tl Remove the tweezers andtrode on the other side indescribed.solder the electhemanner justFT-2500M Technical Supplement1-5

Notes1-6FT-2500M Technical Supplement

Circuit DescriptonReceioe Signal PathIncoming RF from the antenna jack is deliveredto the Main Unit and passed through a lowpassfilter and a I/+-wave antenna switchingnetwork consisting of coils L1003 & Ll-004, capacitorsC1003 & C1004, and diodes D1001 &D1025. Signals within the frequency range of thetransceiver are then passed through a varactortunedbandpass filter consisting of T1001/T1002before RF amplification by Q1001 (3SK131). Theamplified RF is then bandpass filtered again byvaractor-tuned resonators T1,003/T1004, to ensurepure in-band input to 1st mixerQ1002/Q1003 (2SK302GR x 2).Buffered output from the VCO Unit is amplifiedby Q1005 (25C2759) and lowpass filtered byLL009 and C1.042/C1043, to provide a pure 1stlocal signal between LL8.6 and 152.6MH.2 to the1st mixer. The 21.4-MHz 'l.st mixer product ispassed through dual monolithic crystal filterXF1001 & XF1002 (t7.5 kHz BW) to strip away allbut the desired signal, which is then amplified byQ1004 (25C2714Y).The amplified 1st IF signal is applied to FM IFsubsystem IC Q1008 (MC3372ML), which containsthe 2nd mixer, 2nd local oscillator, limiteramplifier, noise amplifie1, S-meter amplifier andsquelch gates. A 2nd local signal is generatedfrom 21.855 MHz crystal XL001, which producesthe 455 kHz 2nd IF when mixed with the 1st IFsignal within Q1008. The 2nd IF is passedthrough ceramic filter CF1001 to strip away unwantedmixer products, and then applied to thelimiter amp in Q1008, which removes amplitudevariations in the 455 kHz IF before detection o<strong>ft</strong>he speechby ceramic discriminator CD1001.Detected audio is delivered from Q1008 to theCNTL Unit, where it passes through buffer amplifierQ2018 (2sc2712cR) and audio gateQ2002(DTC114EK) before de-emphasis, and high-passfiltering by Q2001-2 (NJM29O2Mj/4). Anotheraudio muting gate, Q2003 (DTC114EK), passesthe signal, which is then combined with beeperaudio originating from the microprocessorthrough Beeper volume trimrner VR2001. Thelevel of the combined receiver and beeper audioon the CNTL Unit is set by VOL potentiometerVR3002 on the DISP Unit and is then retumed theMain Unit for amplification by Q1023(TDA2003H) up to 2 watts for the optional headphonejack or 8-ohm loudspeaker.Squelch ControlThe squelch circuit consists of noise amplifierQ1007 (2S'C2712GR) and a highpass filter andsquelch trigger within Q1008 on the MAIN Unit,and control circuitry within microprocessorQ2006 (SC418082CFU) on the CNTL Unit.When no carrier is received, noise at the outputof the detector stage in Q1008 is amplifiedbyQ1007 and highpass filtered by the noise ampsection of Q1008, and then rectified by D1012 toprovide a DC control voltage for the squelchswitching section within Q1008. With no carrier,pin 14 of Q1008 is high. This signal is inverted byQ1006 (lMHs) and delivered to BUSY pin 15 ofmain microprocessor Q2006 on the CNTLUnit asthe Scan Stop signal, which causes the BUSY indicationon the display when the squelch is open.This signal also causes the microprocessor to cutreceiver audio in two places on the CNTL Unitmentioned already: opening audio mute gateQ2002, and pulling the audio line to ground justbefore the audio amplifier at Q2003, thus silencingthe receiver while no signal is being received,and during transmission.When a carrier appears at the discriminator,noise is removed from the output, causing pin 1,4of Q1008 to go low. This signals the microprocessorto activate the BUSY indicator through LCDdriver Q3001 (LC7582E). The microprocessorthen checks for CTCSS tone detection from theFTS-17A Tone Squelch Unit (if installed), and forDigital Code Squelch information (if the FRC-6Pager Unit is installed). If not transmitting andtone squelch is not activated, or if the receivedtone mitches that programmed, the microprocessorswitches Q2002 and Q2003 to allow audio topass to the amplifier and loudspeaker.Center-Stop ScanningTo ensure that scanning stops at the center of adetected signal, discriminator output from pin 9of Q1008 is also delivered to comparator circuitQ2001 (NJM2902-3/+ & -a/+) on the CNTL Unit,which compares the discrirninator output to apreset DC level. The output of the comparatorconnects to the Scan Stop line, preventing thereceived signal from signalling the microprocessorto stop scanning until the signal has beenFT-2500M Technical Supplement1-7

Circuit Descriptiontuned to its peak level, preset by Center-Stoptrimmer VR2007.Transmit Signal PathSpeech input from the microphone is deliveredvia the Mic (]ack) Unit and DISPLAY Unit tothe CNTL Unit, where it passed through MicMute switch D2003 (DAP202K) for amplificationand pre-emphasis by Q2007-1 (NJM2902M-1/4).To prevent over-deviation, the audio is processedby IDC (instantaneous deviation control) stageQ2007-2/a, and then lowpass filtered by Q2007-3/t&. -41+(N,naz9o2M) before delivery to the modulatoron the VCO Unit.If a CTCSS tone is enabled for transmission,the subaudible tone from microprocessor Q2006on the CNTL Unit is lowpass filtered by Q2001,-tand mixed with the IDC-processed speech audio.Also, DTMF tones generated by the FRC-6 option(ifinstalled) or directly from the microprocessoq,are applied to the transmit audio chain at theinput of the IDC stage. The microprocessor alsodisables microphone at Mic Mute switch D2003.The modulating audio is delivered to diodeD305 (1SV214) on the VCO Unit, frequencymodulating the PLL carrier up to + 5 kHz fromthe unmodulated carrier at the transmitting frequency.The modulated signal from transmitterVCO Q303 (2SC3356) is buffered by Q305(2SC2759) and delivered to the Main Unit foramplification by Q1.01.2 (2SC2759), Q1011(MMBR951L) and Q1010 (2SC20s3). The lowlevel transmit signal is then finally amplified byPA module Q1009 (M67781L) up to 50 watts.Harmonic spurious radiation in the final outputis suppressed by a 3-pole lowpass filter on theMain Unit, and the transmit signal then passesthrough 1/+-w av e antenna switch D1 0 1 6 ( U M 94 1 5)before delivery to the antenna.Automatic Tiansmit Power ControlRF power output from the final amplifier issampled by CL064 and rectified by DL01.7(1SS97). The resulting DC is passedbyhigh/medium/lowpower controller Q1017 (FMS1) andtransmit inhibit gate Q1018 (lMX1) to AutomaticPower Controller Q1019 (2581143S) whichregulates supply voltage to transmitter RF amplifiersQ1009 and Q1010, so as to maintain stablehigh, medium or.low output power under varyingantenna loading conditions.Spurious SuppressionGeneration of spurious products by the transmitteris minimized by the fundamental carrierfrequency being equal to the final transmittingfrequency, modulated directly in the transmitVCO. Additional harmonic suppression is providedby a 3-pole lowpass filter consisting ofLL002, LL013, LL01,4 and C1002, CL061, C1.063,C1065-C1067, and C1I64, resulting in more than50 dB harmonic suppression (for transmittingfrequencies in the amateur band) prior to deliveryto the antenna.PLL Erequency SynthesizerPLL circuitry on the Main Unit consists ofprescaler Q1025 (MC12O22SLAD) and PLL subsystemIC Q1024 (MC1451 s9F2),which containsa reference oscillator / divider, serial-to-paralleldata latch, programmable divider and a phasecomparator. Stability is obtained by a regulated5-V supply to Q1024 and temperature compensatingcapacitors associated with L2.8-MHz frequencyreference crystal X1002.Receiver VCO Q301 (2SC3356) on the VCOUnit oscillates between 118.6 and 152.6 accordingto the programmed receiving frequency. TheVCO ouput is buffered by Q305 (2SC2759) onthe VCO Unit, and then retumed to the MAINUnit where a sample of the output is buffered byQ1028 (2S,C2714Y) for application to prescaler/-swallow counter Q1025. There the VCO signal isdivided by 64 or 65, according to a control signalfrom the data latch section of Q1024,before beingapplied to the programmable divider section o<strong>ft</strong>he PLL chip.The data latch section of Q1024 also receivesserial dividing data from microprocessor Q2006on the CNTL Unit, which causes the predividedVCO signal to be further divided by 23,720-30,520 in the programmable divider section, dependingupon the desired receive frequency, soas to produce a S-kHz or 6.25-kHz derivative o<strong>ft</strong>he current VCO frequency. Meanwhile, the referencedivider section of Q1024 divides the 12.8-MHz crystal reference by 2560 (or 2048) toproduce the S-kHz (or 6.25-kHz) loop reference(respectively).The 5-kHz (or 6.25-kHz) signal from the programmabledivider (derived from the VCO) andthat derived from the crystal are applied to the1-8FT-2500M Technical Supplement

t Descriptionphase detector section of Q1.024, which producesa dual 5-V pulsed output with pulse durationdepending on the phase difference between theinput signals. This pulse train is converted to DCby charge pump Q1026/QI027 (lMXs /lMZ2),lowpass filtered, and then fed back to varactorsD301 and D302 (1T363 x 2) on the VCO Unit.Changes in the level of the DC voltage appliedto D30L/D302 affect the reactance in the tankcircuit of VCO Q301, changing the oscillating frequencyaccording to the phase difference betweenthe signals derived from the VCO and thecrystal reference oscillator. The VCO is thusphase-locked to the crystal reference oscillator.The output of receiver VCO Q301, a<strong>ft</strong>er bufferirgby Q305, is delivered to the Main Unit foramplification by Q1005 before application to the1st mixer, as described previously.Transmitter VCO Q303 (2SC3356) oscillatesbetween 140 and 174MHz according to the programmedtransmit frequency. The remainder o<strong>ft</strong>he PLL circuitry is shared with the receiver.However, the dividing data from the microprocessoris such that the VCO frequency is at theactual transmit frequency (rather than offset forIFs, as in the receiving case). Also, the transmitterVCO is modulated by the filtered speech audioapplied to modulating varactor D305, as describedpreviously.Transmit InhibitWhen the transmit PLL is unlocked pin 7 ofPLL chip Q1024 goes to a logic low, tuming onQ1020 (DTA143EK) and tuming off half of Q1018.This unlock signal produces a low impedance atthe base of the other half of Q1018, which thenturns off Automatic Power Controller Q1019 todisable the supply voltage to transmitter RF amplifiersQ1009 and Q1010, disabling the transmitter.Mis cell ane ous Cir cuitsPower-On Sequencing I Panel LampsPressing the POWER switch on the DISP Unitturns onQ2017 (DTC114EK) on the CNTL Unit,applying 5 volts from regulator Q2012 (L7805)via 9-volt regulator Q1013 (AN6541 ) and the 13.8-V supply line to the base of Q2016 (2581140S).This pulls RESET pn75 of microprocessor Q2006low, causing PO pin 66 to go high. The PO linethen pulls the base of Q2017 (DTC114EK) low,lighting the pilot lamps via Q2005 (25C2712GR)and Q2004 (2SB1143S). Lamp brightness is controlledby CdS photosensor CS3001, which providesan input to microprocessor Q2006, pn 49.An pulsed DC ouput is then applied to the integratorcircuit formedby C2015 and M021, whichproduces a DC bias proportional to the pulsetrain input, which is then applied to the base ofQ200s (2S,C2712GR), and Q2004 (2SB1143S),controlling voltage to the panel and displaylamps.P u sh-Tb -Talk Tr an s mit Ac t ia at i o nThe PTT switch on the microphone is connectedto pn 44 of microprocessor Q2006, so thatwhen the switch is closed pn69 (tx/rx) goes low.This signal is delivered to power bus controllerQ1021 (lMHs) on the MAIN Unit, which thendisables the receiver by disabling the 9-V supplybus at QI022 (DTA143EK) to the front end, IF,discriminator and receiver VCO circuitry. At thesame time, Q1015 (2581143S) activates thetransmit 9-V supply line to enable the transmitter.FT-2500M Technical Supplement1-9

Notes1-10FT-2500M Technical Supplement

t-IuM94 1 5T/R ANT SWQro052SC2759BUFF01 02825C27 1 LYBUFFcFt001cF\v455E455KHz01025MC 1 2022SLADPRE SCALER IC[_VCO_UN I TF3152101AMArN-UNtT 73427000+--!---------- TXRXCOMMONFT-2500M Technical Supplement

8201 1I MH5PO ADJ SW--1l;;l l.*"1 l;;l2SC3356 F---1 MMBRgsit t ---{ 2sc27seBUFF rzsc27 41004IF i /*\AMPII RFpRrvE I I RFAMP I IRXTYI 22.6- 1 26 .6ltqzI 44.0*i 48.OMHzj ttt"tttt'"-tl i' - - - Jg[E-Ljf' IiII01008MC3372MIF IC END MIX, OSC, FM MOD)0102825C27 1 1YBUFFcF1001cFw4s5E45sKHzRESET430207c1zLEkT,/R SWl-.r*t- |1-'t'#501021I MH5T,/R SWIil--VCO_UN I TF3152101AilIlQ2oo6, 9, 1 0. I s. D2002SC 1 623-L5, RHSVA4sAA, DTC I 1 4EtRESET CIRCUICNTL.UN I T'34261C1TXRXCOMMOND IALtrl+0S300 1FT0-1 0262A8 (gP-28)LCDj j orrr- rueurl*,---1:---] ' l-

Block Diagram2 21M1sBUI . I'MHzI MCFCLON EDATA 02001 -3. -4NJM2902Mx 2CTR STOP1r004F AMP01008MC3372MC OND MIX, OSC. FM MOD)PAGER_UN I TFRC-6(oPT r 0N)01007FIL AMPI iI r,lrc uurei_iI I ntooT-L I I-i-J rruzgozv lr-ill LPF liIt-JlillLru*'*t i-.t NJM2302M F-r-I surr I0r021I MH5T,/R SW02003DTC 1 1 4EKAF MUTE02006, 9, 1 0, I s, 02004, 5, 8, I1 623-L5, RHsVA4sAA, OTCl 14EK, FMAl, DAP2O2KX4RESET CIRCUITcNTL-UN I T a34261C1r-DATAD IALII nrAr rNPlirtttit\)IVl___il-"KEY I NPUT1+rl/1MIC'----l---\_lDISP_UNIT'34261g'J1-11

ffi+P0003 :T9zo6o87 IwtRE assY IF--"1t3.8VLlHlD-tS:€vll--;^-*;-;;;il--lGND t-J1003 POO90833VCO-UN I TF3152101Ar__________iS-IlETERSCAN STOPSOL VRDISC OUTIIOISE INPUTwtl/L13.8V gWEDCNTL-UN I T FJ2007 Pl090838S-METERSCAN STOPSOL VRDISC oUTNOISE INPUTH,/v/L13.8V SWEDl------'Iii PAGER-U|(OPT r 0rIt_______t*-----'IT0NE SaL-(0PT t0tGND9VAFT/RNqGNDPSTBDATACLOCKGNDGND9VAFT/RNC6NDPSTBDATACLOCKGNDSPGNDJ1 004IIt-----MOD5vAF SPr3.8VJ1002 P0090787IIJIIt-----MOOAF SP13.8VJ2008 P10SO83SFT-2500M Technical Supplement

MAIN_UNIT F3427OOOIPJI003 P0090833S-METER$CAN STOPSOL VRDISC OUTt{O ISE INPUTvl/Lr3.8V SVEDr---------lI! vco-ururr Iit.ls2r01Air-_________iGNDSVAFT/RNCGNDPSTBDATACLOCKGNDMOD5vAF SPr3.8VJ1002 P0090787l--;;*;;-;;;;;--lJ200sJ2007 Pt090838S-METERSCAN STT]PSOL VR0t8c ouTNOISE INPUTH/M./L13.8V SWEoGNDSVAFT/RNCGNDPSTBDATACLOCKGNDMOD5VAF SP13.8Vl---------lI pnorn-uNrr I! topr rou Irlr__________ir---------lIr T0NE SQL-UN I T !i torr rou ir__________i\,2008 P1 090839GNDDIAL2DIALlCEINHCLOCKDATAPOWERDAiF'F/ilREVMHzLO}YRPTTONEPAOECALLOIMCUPDOWNPTTACCDIMGNDSF5V5VGNDsoL Is0L2CNDAFutcAF2GNDD IMCJ2006rT9206352AWIRE ASSY IA0651 \,3001D ISP-UN IT F3/*2610GNDDIAL2OIALlCEINHCLOCKDATAPOTVERo/vRF/\tREVMHzL0v'RPTTgNEPAGECALLDIMCUPDOIYNPTTACCDIMGNOEP5V5VGI{DSqL Is0L2GNDAFMrcAF2GNDD IMCJ3002,lI{D(JP3O

Interconnection DiagramNtT F3425101 I t--;;;;-,;;;;lJ2005GNDDIAL2DIALICEINH\,300.|GNBDIAL2DIALICEINH'------t\GER_UN I TI(oPT r oN) |I____-__tCLOCKOATAPgWERD/MRF /'llREVMHzLolvRPTTONEPAGECALLCLOCKDATAFOWERD/IIRF/\tREVMHzL0wRPTTONEPAGECALLACCSPPTTMtcGND5VUPDOWNACCSPPTTMrcGND5VUPDOWNMIC_UNITF3426 1 03D IMCDIMCJP3001JPl 501E SQL-UN I T(0PT t0N)IUPUPDOWNDOWNPTTPTTACCACCDIMDIMGNDGNDSF8P5Vsv5V5VGNDGNDSQL 1SOL 1saL2saL2GNDGNDAFAFMtcMtcIAF2GNDAF2GNDD IMCD IMCJ2006J3002

Screw ListRE F. YAESU P,/N Descr i otion otv.O u00306001 PAN HEAD SCREW M3X6 i@ u06408007 SCREW OM4 X BB 2@ u20206001 BIND]NG HEAD SCREW M2.6 X 6 2@ u20306001 BINDiNG HEAD SCREW M3 X 6 1o u20306002 BINDING HEAD SCREW M3 X 6Ni 2@ u20306007 BINDING HEAD SCBEW M3 X 68 8o u20308001 BINDING HEAD SCREW M3 X 8 2@ u20308002 BINDING HEAD SCREW M3 X 8Ni Io u30206001 FLAT HEAD SCREW M2.6 X 6 o@ u30306007 FLATHEAD SCREW M3X68 1o u43206001 TAPTITE SCREW M2.6 X 6 1CA u43306001 TAPTITE SCREW M3X6 4@ u51425007 HEX SOCKET HEAD BOLT I,t4 X 25B 2CNTL UnitTS206352AWIRE ASS'Y (2Pcs)@)(Basic AccessoriesYAESU P,/N Descr i ption Otv.Q0000008 FUSE 15A 2r9018615A DC CABLE I806517500 OPERATING MANUAL 1DISPLAY UnitP1 090677R3520140RU BBERR35201 808RUBBER KNOBR35201 708RUBBER KNOBR3520200APANELWINDOWR3520 1 20RUBBER KNOB ASS'YR3520RUBBER KNOBR3520 1RUBBER KNOBSPEAKERRUBBER KNOB ASS'Y€)@\6 \FT-2500M Technical Supplement

Exploded \R3806750CASE TO;CNTL UniT9206352AWIRE ASS'Y (2pcs)DISPLAY UnitR3520140RU BBERR35201 808RUBBER KNOBrtiR3520RUBBER KNOBr9206000cWIRE ASS'YASS'Y (2pcs)R3520 1RUBBER KNOBT9206082WIRE ASS'YM 4090067SPEAKERR3520 1RUBBER KNOBR3520100RUBBER KNOB ASS'Y

Exploded View & Miscellaneous PartsP 1 090352CONNECTORR490081 1CHASSI SP 1 090654CONNECTORJvatt'r unirIVCO UnitTWIRE ASS'YR3806730 ,CASE BOTTOMNon-designated parts are availableonly as part of a designated assembly.

Case Disassembly and PCB AccessLCD €s Control Unit Access3 To access the Control Unit and Display Unitfirst remove the VOL, SQL and dial knobs bygently pulling them outward.Lithium Backup Battery ReplacementThe lithiumbackup battery should not requireservicing for a period of several years, howeveq,to replace the cell, order Yaesu P/N Q9000552.O First note the location and tab polarity of8T2001, mounted over the CNTL Unit microprocessor.To remove the old cell, carefullyunsolder each terminal from the CNTL UnitPCB and li<strong>ft</strong> it free.aotrNext remove two screws from each side of thetop cover and one from the rear. Tilt the rear o<strong>ft</strong>he cover upward, then slide it out from thechassis. Note that the single rear screw is differentfrom the other four, be sure to reinstall itin the correct location. Be careful not to lose theplastic plug covering the cable entrance cutoutin the chassis.Remove the two hex bolts from the front panelusing a 3.5 mm hexagonal driver, then gentlyloosen the front panel.Remove the two flat ribbon cables by using asmall screwdriver or fingemail to slide therelease clamps forward on both sides of thecable connector. A<strong>ft</strong>er releasing both cables,gently separate the front panel from the mainchassis and place it on a so<strong>ft</strong> surface to preventthe clear display from marring.Dispose of lithium batteries according to regulationsin your area, and ensure small children cannotplay with or accidentally ingest thebattery.O Mount the replacement cell similarly, observingproper polarity when installing it. Next,place the plastic insulating seal (P/NR8118690) on top of the cellbypeelingbackthecover to expose the adhesive backing, thenpressing it in place.Panel Lamp ReplacementThe LCD and controls are illuminatedby four10-V incandescent miniature lamps. If these requirereplacement, they canbe ordered fromyourYaesu dealer (P/N Q1000083).fl First remove the front panel as previously described.Note the location of the four lamps, asindicated below.f: W/Spaceri: W/O Spacerfl To remove a failed lamp, use a low wattagesoldering iron and forceps to unsolder andfree each lead, then gently li<strong>ft</strong> the bulb out o<strong>ft</strong>he hole.FT-2500M Technical Supplement2-1

Modification for 9600-Baud PacketNo/e: The two lamps on either side of the LCDuse plastic spacers, be careful not to lose thesewhen removing the bulb, and insert them againwhen instailing a new bulb.fl Install replacement bulbs in the reverse manne4,then reassemble the transceiver case.Modification for9600-Baud PacketOperation at high data rates requires specialinterfacing since the FT-2500M bandwidth andpre- and de-emphasis circuitry are not optimizedfor this mode of operation.If you want to use your FT-2500M with a9600-baud Packet TNC, the following modificationshould enable better performance at this higherdata rate. Howeveq, throughput performance at9600 baud is not guaranteed.QTY. Part Comments2 pc. 0-O chip resistor *Read notice at below right.Fig. 2 RX Audio Component LocationIf you arenot confident at surfacemount soldering,do not attempt the modification, and contact yourYaesu dealer for assistance.fl Remove the top cover as described on the previouspage to expose the CNTL Unit. Refer toFig. 1 to familiarize yourself with the part locations.1 pc. 1O-kA chip resistor You may have to experimentwith this value for optimumaudio input level.2 pc. lengths of wire Use stranded #22 AWG,approx. 5 cm in length.2 pc. 1-pF tantalumchip capacitorlf your TNC model does nothave a capacitive-coupled audioinpuVoutput, see the notice belowIf you choose to perform this modification,you will need a low-wattage soldering iron,tweezers and the following components:JFig. 3 TX Audio Component LocationLocate the unused pad beneath connectorJ2004, labeled C (Fig. 2). Install a 0-O chipresistor* across at this location, and a wire tothe pad just to the le<strong>ft</strong> labeled DISC. Thismakes the connection for de-emphasized discriminatoraudio output for decoding.N'6iiCeL.Fig. 1 Modification Component Location2-2FT-2500M Technical Supplement

Modification for 9600-Baud PacketD Next locate the set of pads labeled MOD (c &R), above connector J2008 (fig. 3). Solder a10-kO chip resistor across pad R, and a 0-Qchip resistor* across pad C, and a wire lead tothe adjacent pad. Pre-emphasized audio is fedto the transmitter here.D Note the small plastic plug in the chassis cutoutat the rear le<strong>ft</strong> corner of the CNTL Unitcompartment. Remove this plug, then run theleads from your TNC through this cut-out andsolder them to the appropriate leads on theCNTL Unit. Be sure to insulate any splicedleads with heat-shrink tubing or electricaltape.0 A<strong>ft</strong>er checking all connections for integrity,replace the top cover and tighten all screws.This completes the modification.While this modification should work with mostunits, experimentation with audio input and outputleoel may be necessary before optimum performanceis obtained.03022Fig. 4 TNC DATA IN/OUT Lead ConnectionsFf-2500M Technical Supplement2-3

Channel Display-Only ModeChannel Display-Only ModeYou can use this feature when you need very simple operation: only stored memories can beselected, and are displayed as "!1.!-1. l, .-t,..." instead of the channel frequency or alphanumericname display. L:rdicators for preoiously stored settings such as repeater shi<strong>ft</strong> and tone squelch arestill displayed, although they cannot be changed. Only the settings listed below can be changedas describedX High/Mi d./Low TX power and locking function: ,tt" ffil t@=@l to toggleX Volume & Squelch: same as beforeX Channel Selection: DIAL knob or microphone UP/DWN keysX Paging function selection: toggle @ ,o select paging modeX Paging code memory selection: press @= @ and rotate DIAL knob to selectX CALL channel instant recall: pt"tt 6tlD to toggleX Priority channel recall:press (EHfl to toggleA<strong>ft</strong>er programming memories, you can activate Channel Display-Only operation by turningthe trans'ceirier off, thin pressing ind holding th" @ & gg, keys together-while powering onagain. Repeat this step to return the transceiver to normal.2-4FT-2500M Technical Supplement

AlignmentThe FT-2500M has been carefully aligned atthe factory for the specified performance acrossthe amateur band. Realignment should thereforenot be necessary except in the event of a componentfailure. A11 component replacement andservice should be performed only by an authoizedYaesu representative, or the warranty policymaybe voided.The following procedures cover the sometimescritical and tedious adjustments that arenot normally required once the transceiver hasle<strong>ft</strong> the factory. However, if damage occurs andsome parts are replaced, realignment may be required.If a sudden problem occurs during normaloperation, it is likely due to componentfailure; realignment should not be done until a<strong>ft</strong>erthe faulty component has been replaced.We recommend that servicing be performedonly by authorized Yaesu service technicianswho are experienced with the circuitry and fullyequipped for repair and alignment. Therefore, ifa fault is suspected, contact the dealer fromwhom the transceiver was purchased for instructionsregarding repair. Authorized Yaesu servicetechnicians realign all circuits and make completeperformance checks to ensure compliancewith factory specifications a<strong>ft</strong>er replacing anyfaulty components.Those who do undertake any of the followingalignments are cautioned to proceed at their ownrisk. Problems caused by unauthorized attemptsat realignment are not covered by the warrantypolicy. Also, Yaesu must reserve the right tochange circuits and alignment procedures in theinterest of improved performance, without notifyitg owners.Under no circumstances should any alignmentbe attempted unless the normal functionand operation of the transceiver are clearly understood,the cause of the malfunction has beenCase DisassemblynDMake sure the transceiver is off. Remove thetwo screws from each side of the top and bottomcovers, then loosen the two rear screws.Next remove the top and bottom covers, theCNTL Unit is now accessible from the top o<strong>ft</strong>he chassis.To expose the Main Unit PCB on the bottom o<strong>ft</strong>he transceiver chassis, remove the 5 screwsaffixing the shield cover plate, and remove thecover.MAIN UnitVCO UnitCNTL Unit_DISPLAY UnitMIC UnitFT-2500M Technical Supplement2-5

clearly pinpointed and any faulty componentsreplaced, and the need for realignment determinedto be absolutely necessary.The following test equipment (and thoroughfamiliarity with its correct use) is necessary forcomplete realignment. Correction of problemscaused by misalignment resulting from use ofimproper test equipment is not covered underthe warranty policy. While most steps do notrequire all of the equipment listed, the interactionsof some adjustments may require that morecomplex adjustments be performed a<strong>ft</strong>erwards.Do not attempt to perform only a single stepunless it is clearly isolated electrically from allother steps. Have all test equipment ready beforebeginning, and follow all of the steps in a sectionin the order presented.Re quir e d T e st E quipmenttr RF Signal Generator with calibrated outputlevel at 200MHzD Deviation Meter (linear detector)D AF MillivoltmeterD SINAD MeterD Inline Wattmeter with 5% accuracy at 200MHzD Regulated DC Power Supply: adjustable from10 to 17 VDC, 15An 50-C) RF Dummy Load: 100W at 200 MHz ,D Frequency Counter: + 0.1ppm accuracy at 200MHzO AF Signal Generatortr DC Voltmeter: high impedanceD VHF Sampling CouplerD AF Dummy Load: 8 Q,5WAlignment Prep ar ation €s Pre c autionsA 50-O dummy load and inline wattmetermust be connected to the main antenna jack in allprocedures that call for transmission, exceptwhere specified otherwise. Correct alignment isnot possible with an antenna.A<strong>ft</strong>er completing one step, read the followingstep to determine whether the same test equipmentwill be required. If not, remove the testequipment (except dummy load and wattmete{,if connected) before proceeding.Correct alignment requires that the ambienttemperaturebe the same as that of the transceiverand test equipment, and that this temperature beheld constant between 20o and 30' C (68' - 86 'F).When the transceiver is brought into the shopfrom hot or cold air it should be allowed sometime for thermal equalization with the environmentbefore alignment.If possible, alignments should be made withoscillator shields and circuit boards firmly affixedin place. Also, the test equipment must bethoroughly warmed up before beginning.Note: Signal levels in dB referred to in this procedureare based on 0 dBp = 0.5 pV(closed circuit).PLL E TransmitterSet up the test equipment as shown for transmitteralignment. Maintain the supply voltage at13.8V DC for allsteps.PLL & Tlansmitter Alignment SetupSampl ingCouplerPLL VCV (Varactor Control Voltage)D Connect the positive lead of the DC voltmeterto the test point VCV on the Main Unit, asindicated in the figure, and the negative leadto chassis ground.VCV Test Point2-6FT-2500M Technical Supplement

AlignmentvPLL & tansmitter Alignment PointsD Set the transceiver to the 174.000 MHz*, andadjust coilL303 on the VCO Unit for 7.5 V onthe voltmeter.*For transceiaer aersions without extended receiaecapability, tune to 146.000 MHz and adjust L303for 1.8 V on the aoltmeter.D Next tune to 146.000 M}{4key the transmittetand adjust L304 for 1.8 V on the voltmeter.PLL Reference F re quencyD With the wattmeter, dummy load and frequencycounter connected to the antenna jack,and while tuned to 146.000 MH4 key thetransmitter and adjust TC1001 on the MainUnit, if necessary, so the counter frequency iswithin 100 Hz of 146.000 MHz.Panel PowerSelectionAdjustmentPower OutputHigh vR2005 50+5WMid vR2003 25+1WLow vR2004 5+1WTransmitter DeaiationD \tVhile tuned to 146.000 MHz, adjust the AFgenerator level for 50 mV output @ l kHz tothe MtC jack.O Key the transmitter and adjust VR2002 on theCNTL Unit for + 4.5kHz deviation on the deviationmeter (within 100 Hz),Tiansmitter OutputD Preset trimmer potentiometers VR2003,VR2004 and VR2005 fully clockwise.O Vfhile tuned to 146.000 MHz, press the LoWbutton on the panel to select high, mid- andthen low power while adjusting the correspondingtrimpot for the transmitter Poweroutput levels listed in the table:FT-2500M Technical Supplement2-7

ReceiaerSet up the test equipment as shown below forreceiver alignment.Receiver Alignment SetupInt er st ag e Tr ansfo r mer sD Connect the DC voltmeter between J1003 pin7 and chassis ground.O Modulate the RF signal generator with t3.5kHz deviation of a 1-kHz tone.tr Adjust T1001 - TL004, & T1006 on the MainUnit for maximum voltage on the meter, thenonce again for optimum SINAD (at least -7dBp for 12 dB SINAD).S-Meter CalibrationD \tVhile tuned to 146.000 MHz,inject a +25 dBpRF signal modulated with 13.5 kHz deviationof a L-kHz tone, and adjust VR2006 on theCNTL Unit so that all S-meter segments arejust on.Scanner Center StopI Connect the DC voltmeter (3-V range) betweenTP2002 (+) and TP2001(-) on the CNTLUnit.tr Withboth the transceiver and signal generatortune to 146.000 MH4 set the SQL control fullycounter-clockwise (the "ausy" indicatorshould be on). Lrject 20 dBp RF modulatedwith t3.5 kHz deviation of al-kHz tone, andadjust VM007 on the CNTL Unit for 0 V on thevoltmeter.SquelchD Preset the SQL control to the L0 o'clock position.At the center of the band, tune the RFsignal generator to the same frequency, and setthe generator level to -L2 dBp.fl Tum VR1001 clockwise until the squelch justcloses, and then counter-clockwise veryslightly so that it just opens.Receiver Alignment PointsT1001T1002T1003r1004r1 006vR2007rP2001 (- )J1003 PinTvR 1001rP2002 ( + )vR20062-8FT-2500M Technical Supplement

VCO Unitcomponent sidechiponly sideEmitter 1Basel I eritt"r2Collstorl IBase 2rvus (Hs)(os04)Collector2lrfi.-l'"fr'"'-il----il-1"'.* L*--J II I zzk I IDTCI24EK (25)(0302),tltt-ttr-{llllL']t.]2sc2759 (u22)(0305)2sc3356 (R24)(o301.303)IVCO_UNIT F3152101ANOTE:BESISTOR VALUES AFE !N O. !/IOW ;CAPACIToF VALUES AFE lN rF. sov :O CAPACITOR VALUES ARE TANTALUU ;INDUCIOR VALUES A8E ]N HUNLESS OTHEFVISE N''ED.To MAIN Unit (Ss Prg6 3&1)FT-2500M Technical Supplement3A-1

VCO lJnitREF.DESCRI PT I ONPCB t.Iith ComponentsVALUE I'lV TOL. l'lF'GR'S DESIG YAESU P/N VERS.*** VCO UNIT *xxc41305001Printed Circuit BoardF3152101AC 0301 CHIP CAP. SpF 50VC 0302 CHIP CAP. 10pF 50VC 0303 CHIP CAP. 18pF 50VC 0304 CHIP CAP. 15pF 50VC 0305 CHIP CAP. lpF 50VC 0306 AL. ELECTR0. CAP. 47uF 16VC 0307 CHIP CAP.0.001uF 50VC 0308 CHIP CAP. lpF 50VC 0309 CHIP CAP. 6pF 50VC 0310 CHIP CAP. 15pF 50VC 0311 CHIP 0AP. 18pF 50V22pF 50VC 0312 CHIP CAP.C 0313 CHIP CAP.C 0314 CHIP CAP.C 0316 CHIP CAP.C 0317 CHIP CAP.C 0318 CHIP CAP.C 0320 CHIP CAP.C 0321 CHIP CAP.C 0322 CHIP CAP.0.001uF 50V0.001uF 50VC 0315 CHIP CAP. 2pF 50V0.001uF 50V10pF 50V0.001uF 50VC 0319 CHIP CAP. 4pF 50V0.001uF 50V0.001uF 50V0.001uF 50VCHCHCHCHCKBCKCHCHCHCHBBCKBCHBCHBBBGRI'{4OCHO5OC5OPTGRll4OCHlOODSOPTGRl'{4OCHlBOJsOPTGRl.,l4OCHl5OJ5OPTGRl'{4OCKOlOCSOPT16V470l',16X7TR2GRM4OBlO2l'lSOPTGBl'l4OCKOlOCSOPTGRM4OCHO6ODsOPTGRl'{4OCHl5OJ5OPTGRl'l4OCHlSOJ5OPTGRM4OCH2ZOJSOPTGRM4OBlO2l'lSOPTGAl'{4OBlO2l'lSOPTGRl',l4OCKO2OC5OPTGRI'14OBlOzMSOPTGRM4OCHlOODsOPTGRM4OBlOzMSOPTGRl'{4OCHO4OCSOPTGRM4OBlO2llSOPTGRI.{4OBlO2l'{5OPTGRI.14OBlO2l.l5OPTK22170206K22I7OZIIK22170217KZ2I70215KZZ|T0202K46120006K22170805K22170202K22t70207K22t70Zt5KZ2t10Zt7K22t702tsK22170805K22170805K22170243K22i70805KZ2r702tlK22170805K22r70205K22r70805K22170805K22170805D O3O1 DIODED O3OZ DIODED O3O3 DIODED O3O4 DIODED O3O5 DIODE1T363-01-T0841T363-01-T0841T363-01-T0841T363-01-T0841SVZ14 TPHG2070rr4G2070n4G2070fi4G2070n4G2070356L O3O1 M. RFCL O3O2 M. RFCL 0303 C0rLL O3O4 COILL 0305 M. R['CL 0306 l'l. RFC4.?uH4.?uH2.ZuH2.ZuHLALO3NA4RTKLALO3NA4RTKs7-T2 R12-K868Cs?-T2 812-K8688FLC3ZT-2R2KFLC3?T-2<strong>ft</strong>2KL1 190203L1 19020310190 168L0 1 90 1691169020711690207Q O3O1 TRANSISTORQ O3O2 TRANSISTORQ O3O3 TRANSISTOEQ O3O4 TRANSISTORQ O3O5 TRANSISTOR2SC3356-T2B H24DTC124EK T972SC3356-T2B R24Il'{H5 T1O825C2759-T2B U22G3333567DG3070034G3333567DG3070027G332?597BR O3O1 CHIP RES.R O3O2 CHIP RES.R O3O3 CHIP BES.R O3O4 CHIP BES.R O3O5 CHIP RES.R 0306 CHIP RES.R O3O7 CHIP RES.27K27K2.2K10027K27K1Kunl,/ 5%t/r}w 5%1/10W 5%r/llvt 5%1/10W 5%r/tlw 5%ur}lil 5%RMC1/1OT 273JRMCl/1OT 273JHMCI/TOT 222JRl{Cl/1OT 1OlJRMC1/1OT 273JRI'{C1/lOT 273JRMC1/1OT 1O2JJ24205273J24205273J24205222J24205101J24205273J24205273J24205t02FT-2500M Technical Supplement3A-3

VCO UnitRBF. DESCRIPTION VALUE lllv TOL. I'IFGR'S DESIG YAESU P/N VERS.R O3O8 CHIP RES.R O3O9 RES.,CHIPR O31O RES.R 0311 CHIP RES.R 0312 CHIP RES.3.3K10K2201.5KzZKr/nw 5%L/t}lw 5%r/nw 5%vnl!/- 5%r/nw 5%Rl'{Cl/1OT 332JRMCl/1OT 1O3JHMCT/IOT 22IJRMC1/1OT 152JRMC1/1OT Z23JJ24205332J24245r03J2420522tJ24205t52JZ4Z05ZZ3TPO301 TP-HTPO3O2 TP-HTPO3O3 TP_HTPO3O4 TP_HTPO305 TP-Hl',lK-i0160l'{K-10160MK-10160},tK-10160l'{K-10160Q5000037Q500003785000037Q5000037Q5000037SHIELD CASER013624083A-4FT-2500M Technical Supplement

\/V-,:O1008 Pin 2MAIN-UNIT F3/-27OOO- 9.0d8lr12vRl\::;O1008 Pin 7 455kHz\/V,;:01008 Pin 8 455kHzD1016uts4lsLrol3Loo22l303.0V\/V,,:01008 Pin I lkHzv-\r_ 2.gv01008 Pin 11-01024 Pin -0v13.8V\/V::O1024 Pin 2,9.0V0v (7.0V)ru:iF*Fll88gSec l2ptSecA1024 Pin 12Tn_;"'"Hzooss"01024 Pin 15, 16t8t;;16-+ +".t E'?3,,+4.8v -JrmiPOi9!TBT ai--- 1crIIFf-2500M Technical Supplement

MAIN_UNIT-9.0d8!12VJ:--11 0dBm- 13.odBmolol6 Lr0l3uu9415 L00221306q) T3Tt9+ iilI-4:lHJ0.act0a0c1042 RJ05A22e CH 1AO(6.0v) i(5 4v) '0v (8.0v)0.5V: PLL UNLOCK9.ovov (7.0v)lvcouN rTRr 099 n! 100a.2K 9.2K+':b1022I84va---1 --1To CNTL Unit J2008(Soe Page 3D-l )-9To CNTL Unit J2007(See Pase 3D-1)

MAIN Unit-9 0dB! 4.9vl2vI r r006I LAO221 1 tklYIl5l5LI 020;d _13C1077|.,1- ;13.odBmc'0s2Zze CH-tFR1 054.100,I -.rl5ht$o23I5EiI+c0.L10LOO2I3.8v:soL cLosESOL OPEN-;l3i*(e.4v)1 SSt A40V: PLL LOCK3-7V: PLL UNLocKa a.v u"tt3a?%L l.+vDTAI 43EK-26 odBm (-13.0d8m)8.4v (0v)(1.5v: pLL2.4v,tI*! ::: i?t--.tl IIcli3,41024 0!cl a5t 5aF2B01 0?ET:'',I.ilByt;T.,"t,:dlT:Nt:,),.ldl*'=Dto22I ' L+-!+1552728.4vT Frliot o2825C271 1\I3+#+"+u: 115 mMHz, 10dss (MoD f=1kHz, oEV=3.5kHz)TX: 145.mMHz, mW (conneaeu o s SQ dummy to6d)RX (rx)iN0TEIFESIST0n VALUE9 ARE lN !. l/lOW ICAPACITOR VALUES FE IN IF. 6OV I0 CAPIC|TOR VTLUES ARE TIXIALUI !INDUCTOR VALUES ANE IN HUNLEAS OTHERryIGENOTEO.-iTo GNTL Unit J2008f-oo-9(See Pase 3D-1)To CNTL Unit J2007(See Page 3D-l)3B-1

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41,t1Farc10):,::,1,,r'i-.1I(lll- output\ crorndt'c13)Em tttet' lo lector:,.,'il. ::-11. . ']; .-,-rn.+,t-''ir,'?.. ..i.. .ir:--i .i!:.i.r:::.,)tt.t .: :\,." :

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MAIN ljnit.!i= r'.:.:i: l:-:::ri, ti-r:: h::_; rlltirl-1::1i::::.1- 4*5-orEd:zZ2sAzE=itsod+dcr'JTo CNTL Unit J2007(See Page 3D-3)oz\e6,_oTo CNTL Unit J2008(See Page 3D-3)3B-4

trctlrc:oJ]16/,. :::11 rosT-17Il'*--(\r:= I:Fl=IlFl:;!Gate 2 Gate I-)FIE:"d",-+:Drain Sourcettttt.:,,l,..'..i.:.,.t t3sK131 (v12)'"<strong>ft</strong> NOg: s(o1001)lE ;= HF E 8.,0,,il Base 2atottCollecto. 1EilEi| e.''l; ,l!l E ;- lL 1c1077ITTR'o4e IJ'l cr ozs Im-E'q:;T I L, L IlJrqIILl t] L-]Emitter 1 Cott" |::ffi-fl"-H fi= [,,, ,,, ,,,,,,, ,!33n'ro'1'ffi r*r3l jn-Bas9 IrMXl (x1)(o1o= ;'T:.F,fi t B)H:lH -,...;TEmi<strong>ft</strong>er CommonB6se 1 I 8"."-+ E.pT tr H" ffi.roer ttlnrogzIl a ^l*- E *c1082 n oJgT fl-llRloss,;sf, cH3 E^'iod" 3 atl *,or= nTr*,*,LL--JI Ll:=J IE l<strong>ft</strong> O]nnf rr-n :., *.-H*ffi;-ffi,*,roCoilsror.S;ErFMsl (s1)\ti,::,in(o1017)ii,:nF'flntIlAnodeL]1 Anod€L-1 ss272 (A'1 )o1072)C6thodo<strong>ft</strong>llt.t*rIAFdchip-only sideox=;;@N90L I t_.1Anode N.C.To CNTL Unit J2008(See Page 3D-3)o2cz5.'1Y (5.1( D 1014)(See Pase 3D-3)F-t33o>iid@tdi6iTo CNTL Unit J2007r\..:;:,Pin 16- a"-\Kdtarrri(o1ooMC145'(o102

Pin 16 -,:Pin 1\r'n8\pin4\PinlMC3372ML(oi oo8)MC1451 58F2L(o 1 024)MC'I2022SLADR2(o1025)Gate 2DrainGate 1Source3sKr31 (v12)(o1001)tLtl-llrlilL-I U25K3O2GR (TG)(o1002,1 oo3)Emitter 1Bme| | r.itt"r2Collectorl IBase 2tMH5 (H5)(o 1 006,1 021 )Cott"ctor2Base 2Collactor I I Emittsr 2Base 2Basel I eriner2Base 2Beel I erittu.2Emitterl IBasa 1tMXl (xl)(o1018)Cottector2Collectorl IEmitter 1tMXs (X5)(o1026)Collector2Coll€ctorl IEmitter 1tMzz Q2)@1027)Collectd2Emi<strong>ft</strong>er CommonBasol I Base2Cor*ror r uorrocor 2FMSl (S1)(o1 01 7)BassEmitterDTAl43EK (3C)(or 02o, r 022)Bas6 Emitter2sc2712GR (LG)(o1007)2sc27l4Y (oY)(o 1 004.1 028)2sc275S (u22)(oroob.r o12)MMBR951 (72)(orol r )Cathode l.Arcde 2tss272 (A1)(f_1022)Anode 1 Anode 21SS184 (83)(D1020)Anode 1 Cathode 2155226 (C3)( D 1012)chip-only sideIIIC6thodent+ Itttttt L]UAnodsN.C.02c25.1Y (5.1)(otot+)FT-2500M Technical Supplement

MAIN UnitREF.DESCRI PT I ONVALUE I,{V TOL. MFGR'S DESIG YAESU P/N VERS.{.*{. MAIN UNIT *{*PCB t{ith Components (I,{/VCO UNIT, }tl/0 IC M677B1L)Printed Circuit BoardcP479200rF3427000c 1001c 1002c 1003c 1004c 1005c 1006c 1007c 1008c 1010c 1011c 1012c 1013c i014c 1015c 1016c 1017C 1O1Bc 1019c 1020c 1021c 1023c 1025c 1028c 1029c 1030c 1031c 1032c 1033c 1034c 1035c 1036c 1037c 1038c 1039c 1040c 1041c t042c 1043c 1045c 1046c 1047C 1O4Bc 1049c 1050c 1051c 1053c 1054c 1055c 1056CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.TANTALU}'I CHIP CAP.AL. ELECTRO. CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.CHIP CAP.AL. ELECTRO. CAP.CHIP CAP.CHIP CAP.0.00luF 500V15pF 500V27pF 50V10pF 50V0.00luF 50V3pP 50V0.00luF 50V4pF 50V22pF 50V0.001uF 50V0.00luF 50V0.001uF 50V0.00luF 50V0.00luF 50V0.001uF 50V0.00luF 50VlpF50V0.001uF 50VZpF 50V50V4pF0.001uF 50V0.00luF 50V0.01uF 50V0.01uF 50V0.001uF 50V10pF 50V10pF 50V8pF 50V0.01uF 50V0.01uF 50V0.01uF 50V0.001uF 50V0.001uF 50V0.001uF 50V47pF 50V0.001uF 50V27pF 50V10pF 50V0" 22uF 35V10uF 16V0. iuF 25U0.01uF 50V0.01uF 50V0.0022uF 50V0.00luF 50V39pF 50V10uF 16V6BpF 50V0.1uF 25Ulll5RCHCHCHBCJBCHclIBBBBBBBCKBCKCHBBBBBCHCHCHBBBBBBCHBCHCHBBBBBCHCHBGRM42-zli5R1O2K5OOPTGRM42-ZCH 1 SOJSOOPTGRM4OCH2TOJ5OPTGRM4OCHlOODsOPTGRl''l4OBlOZl'1SOPTGRM4OCJO3OC5OPTGRl,l4OBlO2l',lsOPTGR|'14OCHO4OC5OPTGRM4OCH22OJsOPTGRM4OBlO2l'l5OPTGRM4OBlO2M5OPTGRl"l4OBlOz}lsOPTGRM4OBlOzMSOPTGRll4OBlO2l',l5OPTGRM4OBlO2l',lSOPTGRM4OBlO2l'lSOPTGRM4OCKO2OCSOPTGRl'l4OBlO2MSOPTGRl'{4OCKO2OCSOPTGRl'{4OCHO4OCSOPTGRl'{4OBlO2M5OPTGRl'l4OBlO2},l5OPTGRM4OBlO3l45OPTGRI{4OBlO3MSOPTGR}'l4OBlOzl''lSOPTGRM4OCHlOOD5OPTGRl.,t4OCHlOODSOPTGRM4OCHOSOD5OPTGRl',l4OBlO3MSOPTORM4OBlO3l'15OPTGRl'{4OBlO3l',lSOPTGR}l4OBlOzl'lSOPTGRl'l4OBlOZ},lSOPTGRl44OBlO2MSOPTGRM4OCH4TOJsOPTGRl,l40BlO2M5OPTGRM4OCH2TOJSOPTGRM4OCHlOOD5OPTTBSVA1V224M1-BR16V100M4X?TR2GRM4OB1O4ll25PTGRM4OBlO3l,l5OPTGRM4OBlO3l,l5OPTGRM4OB222M5OPTGR}'l4OBlO2l'1SOPTGRM4OCH39OJsOPT16V100l'14X7TR2GR}{4OCH6SOJ5OPTGRl''l4OB1O4|125PTK22275809K222752t7K22r7022tK22t102nK22170805K22170204K22170805K22t70205K22r702rgK22170805K22170805K22170805K22r70805K22170805K22170805K22t70805K22t70203K22170805K22t70203K22fi4205K22170805K22170805K22I70Bt7K22t70817K22170805K22t702rrK22r702fiK22170209K22t70Bt7K2Zt708t7K22I7OBT7K22170805K22170805K22170805K22170227K22170805K22r70221K22t702llK78160027K46 1 20004K221408 I 1K22I70Bt7KZ2I7ABI7K22170809K22170805K22170225K46 1 20004K22t7023rK22I4OBIIFT-2500M Technical Supplement3B-5

MAIN UnitREF. DESCRIPTION VALUE }l|V TOL. l'lFGR'S DESIG YAESU P/N VERS.C 1057 CHIP CAP.C 1O5B CHIP CAP.C 1059 CHIP CAP.C 1060 CHIP CAP.C 1061 CHIP CAP.C 1063 CHIP CAP.C 1064 CHIP CAP.C 1065 CHIP CAP.C 1066 CHIP CAP.C 1067 CHIP CAP.C 1068 CHIP CAP.C 1069 AL. ELECTRO. CAP.C 1O7O CHIP CAP.C iO71 AL. ELECTBO. CAP.C IO72 CHIP CAP.C 1074 CHIP CAP.C 1075 CHIP CAP.C 1076 CHIP CAP.C TO77 CHIP CAP.C 1O7B CHIP CAP.C 1O8O CHIP CAP.C 1081 CHIP CAP.C 1OB2 CHIP CAP.C 1083 CHIP CAP.C 1OB4 AL. ELECTRO. CAP.C 1085 CHIP CAP.C 1086 CHIP CAP.C 1087 CHIP CAP.C 1089 CHIP CAP.C 1O9O CHIP CAP.C 1091 TANTALU}{ CAP.C 1092 CHIP CAP.C 1093 CHIP CAP.C 1094 AL. ELECTRO. CAP.C 1095 CHIP CAP.C 1096 AL. ELECTRO. CAP.C 1097 CHIP CAP.C 1098 TANTALUM CAP.C 1099 CHIP CAP.C 11OO CHIP CAP.C 1101 AL. ELECTRO. CAP.C 1105 CHIP CAP.C 1106 CHIP CAP.C 1107 AL. ELECTRO. CAP.C 11OB TANTALUI"I CAP.C 1109 CHIP CAP.C 1110 CHIP CAP.C 1111 CHIP CAP.C 1112 CHIP CAP.C 1113 AL. ELECTRO. CAP.C 1114 CHIP CAP.C 1115 CHIP CAP.C 1116 CHIP CAP.C 1117 AL. ELECTRO. CAP.C 1118 AL. ELECTRO. CAP.0. lut'BZpF0.0luF0. 00luF33pFtspFlpF22pF7pF1OpF0. 00luF10uF0. 00luF1OuF0. 00luF1ZPF0. 00luF33pF1ZpF0.00luF47pFi00pF22pF0. 00luF1000uF0. 01uF0. 00luF0. 001uF0.00luF0.00luF10uF0.00luF0.00luF1OuF0.00luF10uF0.00iuF0. 47uF0.0luF0.0luF10OuF0. 0luF0. 0luF2.ZuF1uF0.00luF10OpF0. 1uF0.00luF47uF0. 00luF0.00luF0. 1uF470uF1000uF25V BsOV CHsOV BsOV B5OOV CHSOOV CHsOV CKsOOV CHsOV CHSOOV CH5OV B16VsOV B16VsOV B5OV CHsOV BsOV CHsOV CH5OV B5OV CHsOV CHsOV CH5OV B16V5OV B50v B5OV B5OV B5OV B16VsOV BsOV B16VsOV B16V5OV B35VsOV B5OV B10vsOV BsOV B50v25UsOV BsOV CH25V B5OV B16VsOV B5OV B25y B,16V16VGRM4OB1O4l'{z5PTGRl'l4OCHB2OJ5OPTGRM4OBlO3l'{SOPTGRM4OBlOzMSOPTGRll42-2CH33OJ5OOPTGRl.,l42-zCH15OJ5OOPTGRI',|4OCKOlOC5OPTGHM42-2CH220J500PTGRl',l4OCHOTODSOPTGRl'142-zCH lOOD5OOPTGRl',l4OBlO2M5OPT16V100M4X7TR2GRM4OBlO2M5OPT16V100M4X7TR2GRl',l4OBlOzMSOPTGRM4OCHl20JSOPTGRM4OBlO2l'{SOPTGRl'{4OCH33OJ5OPTGRl'{4OCHl2OJSOPTGRI'|4OBlO2MSOPTGEM4OCH4TOJ5OPTGRl'l4OCHlOlJSOPTGB}{4OCH22OJSOPTGRl,l4OBlO2l'{5OPTRE3-16V1Ozl'{SGRM4OBlO3l'{SOPTGRM4OBlO2MSOPTGRM4OBlO2M5OPTGRM4OBlO2MSOPTGRM4OBlO2l'l5OPTTPDNlClOOl'{SSGRM4OBlO2l'lSOPTGRM4OBlO2M5OPT16V100M4X7TR2GRM4OBlO2l{SOPT16V100M4X7TR2GRM4OBlO2l'lSOPTTPDNlVR4Tl'{BSGRl"l4OBlO3M5OPTGRM4OBlO3MSOPT10\/101l'lsx1 1TR5GRl',l4OBlO3MsOPTGRM4OBlO3l'15OPT5OV2R2M4X7TR2TPDNlEO iOI'IBSGRl',l4OBlO2MSOPTGRM4OCHlOlJ5OPTGRM4OBlO4t',t25PTGRM4OBlOZl',tSOPTRC2-16V470M-T34GRl'l4OBlO2M5OPTGRM4OBlO2M5OPTGRlt4OBlO4}'l25PTRE2-16V471l'|RE3-16V10zl'tsKzzI4OBTIK22170233K22I7OBT7K22170805K22275225K22275217K22170242K2227522rK22t70208K22Z75ZI3K22170805K46120004K22170805K46120004K22170805K22r70213K22170805K22t70223K22r702t3K22170805K22170227K22170235K22r702t9K22170805K40 129067K22t708t7K22170805K22170805K22170805K22170805K76 1200 1 IK22170805K22170805K46 120004K22170805K46 120004K22t70805K76 160019KZ2I70817K22t70Br7K46100004KZ2l70Br7K2217OBITK46 1 7003 1K76 140013K22t70805K22t70235K2214081 IK22170805K46120010K22170805K22170805K22I408tIK40 1 29049K40 I 2906738-6fT-2500M Technical Supplement

MAIN UnitREF. DESCRI PTION VALUE lllv TOL. MFGR'S DESIG YAESU P/N VERS.C 1119 CHIP CAP.C 1120 CHIP CAP.C TI2I CHIP CAP.C IT\Z CHIP CAP.C 1123 AL. ELECTRO. CAP.C 1125 CHIP CAP.C 1126 CHIP CAP.C 1128 CHIP CAP.C 1129 CHIP CAP.C 1130 CHIP CAP.C 1131 CHIP CAP.C 1132 CHIP CAP.C 1133 CHIP CAP.C 1134 CHIP CAP.C 1i35 CHIP CAP.C 1136 AL. ELECTRO. CAP.C 1137 CHIP CAP.C 1138 CHIP CAP.C 1139 CERAMIC CAP.C 1140 CHIP CAP.C 1141 TANTALUM CAP.C IT42 CERAI,|IC CAP.C 1143 CERAMIC CAP.C TI44 CHIP CAP.C 1145 CHIP CAP.C 1146 CHIP CAP.C 1150 CHIP CAP.C 1155 CHIP CAP.C 1157 CHIP CAP.C 1158 CHIP CAP.C 1159 CHIP CAP.C 1160 CHIP CAP.C 1161 AL. ELECTRO. CAP.C 1164 CHIP CAP.C 1165 CHIP CAP.C 1166 CHIP CAP.C 1170 CHIP CAP.C 1171 CHIP CAP.C TT72 CHIP CAP.0.0luF0. luF0. 01uF0. 022uF47uF33pF39pF0. 01uF0. 00luF0. 01uF0. luF10pF0.00luF0. 00luF0. 01uF1OuF0. luF0. luF0. 047uF0. 001uF2.ZuF0. 022uF0. 01SuF0.00luF0.00luF22pF33pF0.00luF18pF0.033uF0. luF0. luF0. 47uF4pF12pF3pF6BpF0.00luF0.0luFsOV Bz'u BsOV B5OV B16V5OV CH5OV CH5OV BsOV B5OV B25U BsOV CHsOV BsOV B5OV B16V25U B25V B25U XsOV B16V25U X25V XsOV BsOV BsOV CHsOV CH5OV BsOV CH25V B25V B25V B50vSOOV CHsOV CHsOV CJ5OV CHsOV B50v BGRM4OBlO3M5OPTGRM4OB1O4M25PTGR},{4OBlO3MSOPTGRl'{4OB223l'l5()PT16V470}'16X7TR2GRl''l4OCH33OJSOPTGRM4OCH39OJ5OPTGRM4OBlO3M5OPTGRl'{4OBlO2l'lSOPTGRM4OBlO3l-{SOPTGRl''l4OB1O4t'l25PTGRM4OCHlOOD5OPTGRM4OBlO2M5OPTGRI'{4OBlO2MSOPTGRl'l4OBlO3l',lSOPT16V100l''l4X7TR2GRl'l4OB1O4l{25PTGRM4OB1O4M25PTUATO8X473K-L45AEGRM4OBlO2I,l5OPTTPDNlC2R2l48SUATO6X223K-L45AEUATO6X 153K-L45AEGRl'l4OBlO2},lSOPTGRM4OBlO2l45OPTGRM4OCH22OJSOPTGRl,l4OCH33OJ5OPTGRI'l4OBlOzM5OPTGR}{4OCHlBOJSOPTGRM4OB333t'l25PTGRl'{4OB1O4l'l25PTGR}44OB1O4l',I25PT5OVR4?M5X1 1TR5GRt'{42-2CHO4OC5OOPTGRM4OCHl2OJ5()PTGRl'l4OCJO3OCSOPTGRll4OCH6SOJSOPTGRl'l4OBlO2llSOPTGRl"l4OBlO3l'tS()PTK22r70Bt7K2214081 IK22t70Bt7K22t70BZrK46 1 20006K22r70223K22170225K22t70Br7K22170805K22I7OBI7K22I4OBTIK2ZL702tlK22170805K22170805K22I7OBT7K46120004K22r40BnK221408 1 iK19149021K22170805K76120015K19 149017K19 1490 15K22t70805K22170805K22170219K22r70223K22170805K22t702t7K221408 10K22t40BlIK221408 1 1K46 170016K22275207K22r702t3K22t70204K22t70231K22170805K22t70Bt7CDlOO1 CERAMIC DISCCDB455C7H7900 180CF1OOl CERAMIC FILTERcF l,ll455EH3900200D 1OO1 DIODED 1OO2 DIODED 1OO3 DIODED 1OO4 DIODED 1OO5 DIODED 1006 DIODED 1OO7 DIODED 1OO8 DIODED 1OO9 DIODED 1O1O DIODED 1012 DIODEt"lI3O8l'lI3011SV214 TPH1SV214 TPH1SV214 TPH1SV214 TPH1SV214 TPH1SV214 TPH1SVz14 TPH1SV214 TPH155226 TE85RG2090337G2090033G2070356G2070356G2070356G2070356G2070356G2070356G2070356G2070356G2070003FT-2500M Technical Supplement3B-7

BEF" DBSCRIPTION VALUE }llv TOL. }'IFGR'S DESIG YAESU P/N VERS.D 1014D 1015D 1016D 1017D 1O1BD 1019D 1020D t022D 1025DIODESURGE ABSORBERDIODODIODEDIODEDIODEDIODEDIODEDIODEO2CZ5,lY TEBSRP6KE1Bu}'lg4151SS971SS27OTJ1SS27OTJ1SS184 TEB5R1SS272 TEBSRMI 3OBG2070062Q9000534G2090425G20901 1BG2060004G2060004G2070009G2070048G2090337J 1001J 1002J 1003J 1004CONNECTORCONNECTORCONNECTORCONNECTORB3B-EHr MsA-1068-142040I MSA- 1068-072040SC25-Ozl{SP0090667P0090787P0090833P0090621L 1002L 1003L 1004L 1005L 1006L 1OOBL 1009L 1010L TOI?L 1013L 1014L 1015L 1016L 1018L 1019L 1020L 1021L IO22L 1023L IO24COI LCOI LCOILl'{. RFCCOI LM. RFCCOILM. RFCl'1. RFCCOI LCOI LCOI LCOI LCOILCOILCOI LCOILCOI LM. RF'Cl'l. RFC0. 33uH0.47uH1mH4.7uH0.22uH0.22uH2.5T5.5D1.2U8l{ R1.5T3.5DO.6UEI'\I R3.5T3.sDO.6UEll{ RLALO2KBR33K5.5T3.sDO.6UEl.l RLALO2KRR4Tl'15.5T3.5DO.6UEl{ RLALO3KHlO2KLALO4NA4RTK3.5T5. ODl.zuEl'l R2.5T5. ODl.zUEW RB.5T4. ODO. BUEl'il R8.5T4.0D0. BUElll R1.5T3.sDO.6UEW R4.5T3.5DO.BuBlll B2.5T3. ODO.6uEvll R4.5T3.sDO.6UE}{ R3.5T3.sDO.6UEI1I RLALO2KRR22l'|LALO2NAR22}4L002212910021359A100218184L1 19035410021705AL1 190352100217054L1 190390L1 i9009510022130L0022r3r10020751410020751410021359A1002067941002181 1A10020679ALOO21B1BAL1 190342Lt190275Q 1001Q 1002Q 1003Q 1004Q 1005Q 1006Q 1007Q 1008Q 1009Q i010Q 1011Q 1012Q 1013Q 1015Q 1017Q 1018Q 1019Q i020Q 1021FETFETFETTRANS I STORTRANSISTORTRANSISTORTRANS I STORICICTRANSI STORTRANSISTORTRANS I STORICTRANSISTORTRANSISTORTRANSISTORTRANSISTORTRANS I STORTRANSISTOR3SK131-T2B V122SK3O2GR TEBsR2SK3OzGR TEB5RzSC2714YTEB5R25C2759-T2B U22Il',lHs T1OB2SC27T\GR TEBsRl'1C3372}4L}'1677B1LZSC2053l'{MBRg51LT125C2759-r2B U224N65412SB1 143SF'l',lsl T14BIMXl T1102SB1 143SDTA143EK T146IMHS T1O8G48013178G3803027GG3803027GG3327r47YG3327597BG3070027c3327r27GG1091108G109 1642G3320530G3070056G33275978G1091 146G321 14305G3070008G3070024G321 14305G3070010G30700273B-8FT-2500M Technical Supplement

MAIN UnitREF. DESCRI PT I ON VALUE liv TOL. MFGR'S DESIG YAESU P/N VERS.Q 1022Q 1023Q 1024Q 1025Q 1026Q 1027Q 1028TRANSISTORICICICTBANS I STORTRANSI STORTRANS I STORDTA143EK T146TDA2OO3HMC145158F21l'{C120225LADR2IllXS TlOBIMZz TlOBzSC2714YTEB5RG3070010G10908 15G109 I 105G1091 103G3070028G3070060G33Z7t47YR 1001R 1002R 1003R 1004R 1005R 1006R 1007B 1OOBR 1009R 1010R 1011R 1012B 1014R 1015R 1016R 1017R iOlBR 1019R 1020R 1021R" t022R 1023t" t0z4R 1025R 1026H t0z7R 1028R 1030R 1031R 1032R 1033R 1034R 1035R 1036R 1037R 1038R 1039R 1040R 1041R 1042R 1043R 1044R 1045E 1046R 1O4BR 1049R 1050CHIP RBS.CHIP RES.CHIP RES.CHIP RES.CHIP BES.CHIP RES.CHIP RES.CHIP ROS.CHIP RES.CHIP BES.CHIP RES.CHIP RES.CHIP BES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP BOS.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP ROS.CHIP RES.CHIP RES.CHIP BES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.METAL FILM RES.CHIP RES.CHIP BES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.2.2!12.2M150K22KlBK22K474701002.2M2.2|1471K100820100K220220iK100151K4.7K27470100K4.1K470KB2OK470K4.7K390K4.7K10K4.7KB. 2K1. BK220821K10K1K3.3K330T.2K1001/10W 5%1/10W 5%vt}ld 5%1/10W 5%r/r}l'/r 5%1/10W 5%1/10W 5%1/10W 5%unlw 5%1/10W 5%r/t}ld 5%1/10W 5%r/l}vt 5%unl[. 5%unl./. 5%ut}lvJ 5%t/l}vt 5%t/r}vt 5%1/10W 5%t/t}vt 5%ut}lil 5%vt}l[' 5%r/l}w 5%r/t}vt 5%r/wt 5%r/nw 5%r/rlld 5%vnlil 5%ut}l'i' 5%vt}lf. 5%ul}If' 5%t/nv{ 5%unltt 5%r/t}w 5%r/t}ltl/, 5%unlw 5%1/10W 5%vnlyi, 5%1/10W 5%ll{ 5%r/rllyi, 5%1/10W 5%1/i0l.l 5%1/10W 5%1/10W 5%1/10W 5%r/nw 5%RMCl/1OT 225JRI'{C1/lOT 225JRMCl/10T 154JRl'lCl/10T 223JRMCl/1OT 1B3JRMCl/1OT 223JRMC1/1OT 47OJRI-{CI/IOT 471JRMCl/1OT lOlJRI'{CI/IOT 225JRMC1/1OT 225JRl'{Cl/1OT 47OJRl'{Cl/1OT lOZJRI'{CI/IOT 1OOJRl',lCl/10T 000JRMC1/1OT B21JRl'{Cl/1OT 1O4J<strong>ft</strong>MCr/r}T 22tJRMCl/1OT 221JRMCl/1OT 1OzJRl',lCl/10T 101JRMCl/1OT 15OJRMCl/1OT 1OzJRMC1/1OT 472JRMC1/1OT ZTOJRMC1/1OT 471JRMC1/1OT 1O4JRtrcl/r0T 47zJRMC1/1OT 474JRMCl/1OT 824JRMC1/1OT 474JRl'lCl/lOT 472JRMC1/1OT 394J<strong>ft</strong>MCI/IOT 472JRMCl/1OT 1O3J<strong>ft</strong>Mct/r0T 472JRl'lCl/lOT B22JRMCl/1OT 182JRMCl/1OT 22iJERG- 1SJ82OPRl',lCl/1OT 1OzJRl'{Cl/1OT 1O3JRMCl/10T 102JRMCl/1OT 332JRMC1/1OT 331JRI'{CI/IOT 122JRl'{Cl/10T 101JJ24205225J24205225J24205154J24205223J24205t83J24205223J24205470J24205471J24205101J24205225J24205225J24205470J24205t02J24205 I 00J24205000J24205821J24205t04J2420522rJ24205221J24205t02J24205 1 0 1J24205t50J24205102J24205472J24205270J2420547rJ24205t04J24205472J24205474J24205824J24205474J24205472J24205394J24205472J24205t03J24205472J24205822J24205182J24205221J22309029J24205102J24205103J24205t02J?,4205332J24205331J24205t22J24205r0tFT-2500M Technical Supplement3B-9

REF. DESCRI PTION VALUB tllv TOL. MFGR'S DESIG YAESU P/N VERS.R 1051 CHIP RES.R 1052 CHIP RES.R 1053 CHIP RES.R 1054 CHIP RES.R 1055 CHIP RES.R 1056 CHIP RES.R 1057 CHIP RES.B 1O5B CHIP RES.R 1059 CHIP RES.R 1061 CHIP RES.R 1062 CHIP RES.R 1064 CHIP RES.R 1067 CHIP RES.R iO6B CHIP RES.R 1069 CHIP RES.R 1O7O CHIP <strong>ft</strong>ES.R 1071 CHIP RES.R, IO72 CHIP RES.R 1073 CHIP RES.R 1074 CHIP RES.R 1075 CHIP RES.R 1076 CHIP BES.E TO77 CHIP RES.R 1082 CHIP BES.R 1083 CHIP RES.R 1OB4 CHIP RES.R 1OB5 CHIP RES.R 1086 CHIP RES.R 1087 CHIP RES.R 1OBB CHIP RES.R 1089 CHIP RES.R 1O9O CHIP RES.R 1091 CHIP RES.R 1092 CHIP RBS.R 1093 CHIP RES.R 1094 CHIP RES.R 1095 CHIP BES.R 1096 CHIP RES.R 1097 CHIP RES.R 1098 CHIP RES.R 1099 CHIP RES.R 11OO CHIP RES.R 1101 CHIP RES.R 1102 CHIP RES.R 1103 CHIP RES.R 1104 CHIP RES.R 1105 CHIP BES.R 1106 CHIP RES.R 1110 CHIP RES.R 1111 CHIP RES.R 1112 CHIP ROS.R 1115 CHIP RES.R 1117 CHIP RES.R 1118 CHIP RES.R 1120 CHIP RES.2202.2K470564.7K1K22010022022K2.2K100K3302.2K22K1. BK1.5K2.2156010110K47474.7K10K15K4.7K102201K5605605604.7K5602.2M1K56B.2K8.2K47010010K2.2K10015471501K22K1006801. 8Kr/nw 5%vt}ld 5%urll'/. 5%r/nw 5%unlfl 5%r/r1vt 5%r/t}vt 5%unlil 5%vnl[- 5%1/10W 5%ut}l',l, 5%ut}l'{i, 5%r/4w 5%vnlil 5%unlvi, 5%ur}lt<strong>ft</strong> 5%t/t}vt 5%ll{ 5%r/nw 5%r/nw ffiun:[. 5%ll{ 5%unl[. 5%vnl[. 5%r/t}w 5%r/tllfi, 5%utlvt 5%ut}l'/t 5%1/10W 5%r/nw 5%vr}:N 5%r/r}ld 5%r/tll,/. 5%1/10W 5%unl'd 5%t/l}lw 5"/,r/nvt 5%ul1ltt 5%ut}lil 5%r/nw 5%vn1,/ 5%vn:il 5%unl'i. 5%vnl,rr 5%unl'/ 5%vr}1il 5%vnl[- 5%unl'i- 5%vl}:il 5%1/10W 5%ur}lw 5%1,/nw 5%r/t}ld 5%1/10W 5%unlvJ 5%RMC1/10T 221JHMCT/IOT ZZ\JRl,lCl/10T 471JRl''lCl/10T 560JRMCI/L}T 472JRl'{Cl/1OT 1OzJRr{c1l10T 221JRI'{CI/IOT lOlJHMCI/IOT 22TJRMC1/10T 223JRMCt/t}r 222JRMCl/1OT 1O4JHMCI/4 331JATPRMCI/IOT 222JRMC1/1OT 223JRMCl/1OT 1BzJRl'{Cl/1OT 152JRl'{Cl zRzJTEBMCl/1OT 1ROJRl'{Cl/1OT 56lJRMC1/1OT 1OOJRMCl 1ROJTERI'{CI/IOT 1O3JRMCl/10T 470JRMCl/10T 470JRMCI/IOT 472JR},lCl/10T 103JRl'{Cl/1OT 153JHMCI/TOT 472JRMC1/10T 100JRMCI/IOT 22IJRl'lCl/1OT 1O2JRI'{CI/IOT 561JRl',tCl/1OT 56lJRMC1/1OT 56lJRMCT/IOT 472JRMC1/1OT 561JnMu/I}T 225JRI'{Cl/lOT 102JRl"lCl/10T 560JRMC1/1OT B22JRMC1/1OT 822JRMCl/1OT 471JEMCl/l0T 101JRMCl/1OT 1O3JHMCr/rlT 2Z2JRl'lCl/10T 101JRl',lCl/10T 150JRl'{Cl/10T 470JRMC1/1OT 151JRMCl/1OT 1OzJRI'{CI/IOT 223JRMCl/10T 101JRMC1/1OT 681JRMCl/1OT 1BzJJ2420522tJ24205222J2420547rJ24205560J24205472J24205r02J2420522tJ24205r01J2420522tJ24205223J24205222J24205r04JZ424533rJ24205222J24205223J24205r82J24205t52J24305229J24205010J2420556tJ24205100J24305010J24205103J24205470J24205470J24205472J24205103J24205t53J24205472J24205100J2420522rJ24205r02J24205561J2420556tJ2420556tJ24205472J2420556rJ24205225J24205nZJ24205560J24205822J24205822J2420547rJ24Z05ntJ24205103J24205222J2420510rJ24205150J24205470J2420515tJ24205n2J24205223J24205t0rJ24205681J24205t823B-10FT-2500M Technical Supplement

MAIN UnitREF. DBSCRI PT I ON VALUE l,llv TOL. l'lFGR'S DESIG YAESU P/N VERS.R 1121 CHIP RES.H TI22 CHIP RES.R 1123 CHIP RDS.H II24 CHIP RES.R 1126 CHIP BES.R 1128 CHIP RES.B 1129 CHIP RES.R 1130 CHIP RES.47KzZK04710K1K6.8680r/r}w 5%r/t}ld 5%vrllil 5%unlil 5%r/nw 5%vt}ltt 5%r/t}l[J 5%r/r}w 5%RI{C1/lOT 473JRMCl/1OT 223JRMCl/10T 000JRMCl/10T 470JRl'lCl/1OT 1OSJRMCl/1OT 1OzJRl',lCl/lOT 6RBJRMC1/10T 681JJ24205473J24205223J24205000J24205470J24205t03J24205102J24205689J2420568 1T 1OO1 COILT 1OO2 COILT 1OO3 COILT 1004 COrLT 1OO5 COILT 1006 COIL160l'{ R12-K905X160M R12-K907Xi60l'l R12*K908X160t'l R12-K906X456DB-10072r.4t11002205310022055L002205410022056L0 190173L002znrTClOOl TRIl',ll'{EB CAP.20pFTZO3R2OOERK91000071VR1OO1 POT.50KEVN-DXAAO3B54J5 1 783503XX1OO1 XTAL1002 XTAL21. 855MHz12. 800MHzH0 1030 15H0102801XFlOO1 XTAL21l'l1sBUH1 102095SHIELD CASELEAF SPRINGXTAL H0LDER (Zpcs)R0135790AB0 137 1 60R3129530II3B-11FT-2500M Technical Supplement

Notes3B-12FT-2500M Technical Supplement

To DISPLAY Unit JP3001(See Page 3E-3)ze.a='gl-gO-+O>do

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CNTL-'uN iTIffiv006[0VM6Vsal"'r+.:: -!:E:::3::::::::=:::=:6d';d:;.dod-sdod-eaio'.o;o-9To DISPLAY Unit J3001(See Page 3e-1 )To DISPLAY Unit J3002(Seo Pqe 3E-1)To MAIN Unit J1003(See Page 3B-1)

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CNTL UnitREF. DESCRIPTION VALUE WV TOL. l'lFGR'S DESIG YAESU P/N VERS.C 2047 CHIP CAP.C 2048 CHIP CAP.C 2049 CHIP CAP.C ZO5O AL. ELECTRO. CAP.C 2051 AL. ELECTRO. CAP.C 2052 CHIP CAP.C 2053 AL. ELECTRO. CAP.C 2054 CHIP CAP.C 2055 CHIP CAP.c 2056 CHrP CAP.C 2057 CHIP CAP.C 2058 CHIP CAP.C 2059 CHIP CAP.C 2060 CHIP CAP.C 2061 CHIP CAP.C 2062 CHIP CAP.C 2063 CHIP CAP.0. 022uF0. 1uF0. 00luF10uF10uF0.001uF10uF0.001uF0. 00luF0. 0022uF0. 0luF0.0068uF0. 001ut'0. 001uF0. 0luF0. luF10OpF5OV B25V BsOV B16V16VsOV B16V5OV BsOV B5OV BsOV BsOV B5OV B5OV BsOV B25U B5OV CHGRM4OB2z3l'15OPTGRM4OB1O4l'{25PTGRM4OBlOzMSOPT16V100}44X7TR216V100l.{4X7TR2GRl',14OBlOzt'lsOPT16V100M4X7TR2GRt,{4OBlOzl',lsOPTGRM4OBlOzMSOPTGRl'l4OB222M5OPTGRM4OBlO3MSOPTGRl'l4OB6B2l'15OPTGRM4OBlO2MSOPTGRI'{4OBlO2MSOPTGRM4OBlO3l,1SOPTGRl'{4OB1O4I'{25PTGRI',|4OCHIOiJSOPTK22I7OB2IKZzt40BnK22170805K46 1 20004K46120004K22170805K46120004K22170805K22170805K22r70809K22170817KZ2I7OBT5K22170805K22t70805KZ2I708t7K22T4O8IIK22170235COZOO1 CERAI'IIC OSCCSAg.83MTH7900620D 2001D 2002D 2003D 2004D .2005D 2006D 2007D 2008D 2009DIODEDIODEDIODEDIODEDIODEDIODEDIODEDIODEDIODEDAP2O2K T1461SS321 TEBsRDAPzOzK T146DAP2O2K T146DAPzOzK T146DAPzOzK T1461081DAPzOzK T146DAPzO2K T146G2070180G2070076G2070180G2070180G2070 180G2070180G2090306G2070180G2070180J 2001J 2002J 2003J 2004J 2005J 2006J 2007J 2OOBCONNECTOBCONNECTORCONNECTORCONNECTORCONNECTORCONNECTORCONNECTORCONNECTOB92308- 1-072003-T9230B- 1-072003-T92308- 1-052003-T92308- 1-052003-T00 6200 187 032 80000 6200 187 032 80091335-07A9133S-14AP0090857P0090857P0090856P0090856P1090653P1090653P1090838P1090839JPzOOl CHIP RES.JPZOO1 CHIP RES.JP\OOL CHIP EES.JP\OOZ CHIP RES.JPZOO3 CHIP RES.JPzOO3 CHIP RES.JP2OO6 CHIP RES.JP2OO6 CHIP RES.JPzOO7 CHIP RES.JPZOOT CHIP RES.r/r6w 5%r/r6w 5%r/16l[. 5%r/t6ld 5%r/r6w 5%r/16l[ 5%t/r6vt 5%r/r6w 5%r/r6w 5%t/r6w 5%RMC1/16 OOOJATPRMCl/16 OOOJATPRI',ICl/16 OOOJATPRMC1/16 OOOJATPRMC1/16 OOOJATPRl'{Cl/16 OOOJATPRMC1/16 OOOJATPRl'lC1/16 OOOJATPRMC1/16 OOOJATPRMC1/16 OOOJATPJ241B5OOO TYP A2J241B5OOO TYP A3J24185000 TYP A2J24185000 TYP A3J241B5OOO TYP 81J24185000 TYP 83J241B5OOO TYP 81J241B5OOO TYP 83J24185000 TYP A2J241B5OOO TYP A3Q 2001Q 2002Q 2003Q 2004Q 2005ICTRANSISTORTRANSISTORTRANS I STORTRANSISTORNJI'129O2M-T2DTCl14EK T96DTCll4EK T962SB1 143S?SC?TIaGF" TE85RG1090908G3070002G3070002G321 14305G33Z7I27G3D-6FT-2500M Technical Supplement

---lCNTL UnitREF. DESCRI PT I ON VALUE }llv TOL. MFGR'S DESIG YAESU P/N VERS.Q 2006 ICQ 2OO7 ICQ 2OO8 TRANSISTORQ 2009 rcQ 2O1O TRANSISTORQ 2011 TRANSISTORQ 2OI2 ICQ 2013 ICQ 2014 TRANSISTORQ 2015 TRANSISTORQ 2016 TRANSISTORQ ZOIT TRANSISTORQ 2018 TRANSISTORsc418082CFUNJl'l29O2l'|-T2zSC1623-T2BL5RH5VA45AA-T1DTC1l4EK T96Il'{HS T1O817805NJMTSLOsUA TE2I}4HS TlOBFMA1 T14B2SB1 140SDTC114EK T962SC27T2GR TE85RG1091866G1090908G33162378G1090966G3070002G3070027Gi090776G1091325G3070027G3070089G321 1400SG3070002G3327r27GR 2OO2 CHIP RES.R 2OO3 CHIP RES.R 2OO4 CHIP RES.R 2OO5 CHIP RES.R 2006 CHIP RES.R 2OO7 CHIP RES.R 2OO8 CHIP EES.R 2OO9 CHIP RES.R 2O1O CHIP RES.R 2011 CHIP RES.R ZOT2 CHIP RES.R 2013 CHIP RES.B 2014 CHIP RES.R 2015 CHIP RES.R 2016 CHIP RES.R 2OT7 CHIP RES.R ZO18 CHIP RES.R ZO19 CHIP RES.<strong>ft</strong> ZO\O CHIP RES.H 2O2I CHIP RES.N 2022 CHIP RES.H ZO23 CHIP RES.R 2OZ5 CHIP RES.R 2026 CHIP RES.R" 2028 CHIP RES.R" 2O2g CHIP RES.R 2O3O CHIP RES.R 2O3i CHIP RES.R 2032 CHIP RES.R 2033 CHIP RES.R 2034 CHIP RES.B 2036 CHIP RES.R 2037 CHIP RES.R 2O3B CHIP RES.R 2039 CHIP RES.R 2O4O CHIP RES.R 2O4T CHIP RES.R 2042 CHIP RES.R 2043 CHIP RES.H 2044 CHIP RBS.R 2045 CHIP RES.R 2046 CHIP RES.33K180K220K2.atr10K10K10K220K4.7K15K100K4.7K10K4.7K100K1K1K10K47010K1KT.2K680180K100K560K4.7K560K1. 5l'1150K1M10K4.7Kl5K220K2.2KzzK22K22K2.2MB. 2K10Kr/nw 5%t/nw 5%r/nw 5%unl.i 5%1/10W 5%ut}l[/, 5%t/nw 5%r/r}:t', 5%unlyl, 5%1/10W 5%r/t}w 5%unl,/. 5%1/10W 5%vrll{J 5%urlly', 5%ulllyi, 5'/,unl'i 5%r/nw 5%unlil 5%r/tll-i. 5%unl,i. 5%ur1lyJ 5%urllili, 5%r/r}w 5%r/nw 5%r/nw 5%r/nw 5%r/t}N 5%urll'/t 5%unl[/, 5%vt}lyi, 5%vl}lyd 5%r/r}w 5%r/nw 5%t/r}:fl 5%unlyl, 5%l/l}ttl 5%1/10W 5%t/nw 5%1/10W 5%vwl1i. 5%r/nw 5%RMC1/10T 333JRMCl/1OT 1B4JRMCr/t}T 224JRl'lCl/lOT 225JRl'{Cl/1OT 1O3JRl'lCl/10T 103JRMCl/1OT 1O3JHMCt/t}r 224JHVCI"/L}r 472JRl'lCl/lOT 153JRMCl/10T 104JRMC1/1OT 472JRl'{Cl/1OT 1O3JKMCT/IOT 472JRl-{Cl/1OT 1O4JRl'{Cl/1OT 1OzJRMCl/1OT 1OzJRMCl/10T 103JRl'lCl/lOT 471JRl{Cl/1OT 1O3JRMCl/1OT 1OzJRMCI/IOT I22JRMC1/1OT 681JRMC1/1OT 184JRMCl/1OT 1O4JRI'{CI/IOT 564JRt(Cr/r0r 472JRMC1/1OT 564JRl',lCl/10T 155JR}'|Cl/1OT 154JRI-,ICI/IOT 1O5JRl,lCl/1OT 1O3JHMCt/t}T 472JRl.,tCl/1OT 153JRMCI,/L}T 224JRMCt/t}T 222JRt"lCl/lOT 223JRl'lCl/lOT 223JRMC1/1OT 223JRl',lCl/lOT 225JRl,lCl/lOT 82ZJRMCl/10T 103JJ24205333JZ4205IB4J24205224JZ4Z052Z5J24205103J24205103J24205t03J24205224J24205472J24205153J24205104J24205472J24205103J24205472J24205t04J24205t02J24205r02J24205r03J24205471J24205103J24205102J24245r22J24205681J24205184J24205104J24205564J24205472J24205564J24205155J24205154J24205t05J24205103J24205472J24205 1 53J24205224J24205222J24205223J24205223J24205223J24205225J24205822J24205 1 033D-7FT-2500M Technical Supplement

CNTL UnitREF. DESCRIPTION VALUE lllv TOL. MFGR'S DESIG YAESU P/N VERS.R 2048n 2049R 2050R 2051R 2052R 2053R 2054R 2055R 2056n 2057R 2066R 2068R 2069R 2070H Z07tR 2072R 2073H 2074n 2075R 2076F" 2077R 2078R 2079R 2080R 2081R 2082R 2OB3R 2084R 2OB5R 2086R 2OB7R 2088R 2OB9R 2090R 2091F" 2092R 2093R 2094R 2095R 2096R 2O9BR 2099CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.CHIP ROS.CHIP RES.CH]P RES.CHIP RES.CHIP RES.CHIP RES.CHIP RES.zzK39K3.3KB2K47K100KzZK22K22Kz\K1K10K1K27K1.8K10K4.7K47K1.8K33K4.7K47010K10K10K10K1K1K1K47K10K3.3K6. 8K1K10K10K1K1K1K1K10K0t/t}w 5'/,r/r}lw 5%t/t}w 5%r/rllil 5%vnlvJ 5%r/t}vt 5%1/10W 5%1/10W 5%ut}l'/t 5%t/r}vt 5%vnl'i' 5%r/nvt 5%r/nw 5%1/10W 5%ur}vl 5%vtllil 5%r/t}lyl, 5%t/nvt 5%1110W 5%vnl'/{ 5%vnltt 5%r/zw 5%1/10W 5%1/10ll| 5%r/nw 5%r/nvt 5%r/rllN 5%ur}vt 5%r/tlllt 5%r/nw 5%unlvd 5%vnllt 5%r/nw 5%ur1l'i. 5%vnllt 5%1/10W 5%vnl{i, 5%r/nw 5%unl,li, 5%t/t}til 5%1/10W 5%r/t1w 5%RI{C1/1OT 2Z3JRMCl/10T 393JEl'lCl/lOT 332JRI,{CI/IOT 823JRl'lC1/1OT 473JRl'{Cl/lClT 1O4JRMC1/10T 223JRMC1/10T 223JRMC1/1OT 223JRl'{Cl/1OT 223JRl'lCl/1OT 1OzJRMCl/1OT 1O3JRl'{Cl/10T 102JRI'{CI/IOT 273JRMCl/10T 182JRI'{Cl/1OT 1O3Jny]lu/t}r 472JRl'{Cl/lOT 473JRMCl/1OT 182JR['{Cl/1OT 333JBMCl/1OT 472JRMCT/z 471JCTPR}{Cl/1OT 1O3JRl-{Cl/1OT 1O3JRl'{Cl/10T 103JRl'{Cl/10T 103JRMCl/10T 102JRMCl/1OT 1OzJRl'lCl/1OT 1OzJR}'{Cl/10T 473JRMCl/10T 103JRMC1/10T 332JRMCl/10T 682JRMCl/1OT 1OzJRl,lCl/10T 103JRMCl/10T 103JRt'{Ci/1OT 1OzJRMC1/10T 102JRMC1/1OT 1O2JRltlcl/10T 102JRMCl/1OT 1O3JRl'lCl/lOT OOOJJ24205223J24205393J24205332J24205823J24205413J24205104J24205223J24205223J24205223J24205223J24205102J24205103J24205t02J24205273J24205lB2J24205t03J24205472J24205473J24205t82J24205333J24205472J24275471J242051Q3J24205103J24205 1 03J24205t03J24205102J24205r02J24205102J24205413J24205r03J24205332J24205682J24205r02J24205103J24205103J24205r02J24205r02J24205102J24205t02J24205103J24205000TP2001TP2002rp-s/rp-B/MS-60124MS-60124Q5000016Q5000016\/Rz001VRzOOZ\/R2003vR2004vR2005vR2006\/R2007POT.POT.POT.POT.POT.POT.POT.50K10K10K2K10K50K20KEVN-DXAAO3B54EVN_DXAAO3B14BVN-DXAAO3B14EVN-DXAAO3B23EVN-DXAAO3B14EVN-DXAAO3B54EVN-DXAAO3824J51783503J5 1783103J51783103J5r783202J51783103J51783503J51783203RUBBER SPONGESEALR7139760RB 1 1 86903D-8FT-2500M Technical Supplement

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DISPLAY UnitTo CNTL Unit J2006(see Pag€ go-t)=*"=..t5. -".9&oFU-ZL>>zOg2L-LZoul- o@ ulz Jo >t- >mTE!RESISTffi VILUES ARE lt{ o.l/10Y icfAc tTm Y[uEs ffiE tN rF. 50V imctPAClToR VALUES AFE TAITILUX rlxBucTm vtluEs IRE tx HULESE OTHEilIEE MTED.tlznl.To MIC Unit JP150l(See Pag€ 3C)

DISPLAY UnitREF. DESCRI PTiON VALUE l\lv TOL. l'lFGR'S DESIG YAESU P/N VERS.*** DISPLAY UNIT **.1.PCB }rlith Components (W/O t lCHf GUIDE(Zpcs), NYL0N RIVET)Printed Circuit Boardcs1367001F3426102C 3OO1 CHIP CAP.C 3OO2 CHIP CAP.C 3OO3 CHIP CAP.C 3OO5 TANTALUM CHIPC 3013 CHIP CAP.C 3014 CHIP CAP.0.0luF0.0luF0. luFCAP. 3.3uF6B0pF0. luF50v50v25U16V50v25yGR}'14OBlO3l'1SOPTGB},14OBlO3M5OPTGRM4OB1O4}125PTTEMSVAlC335l'{-BRGRl,l39B68 lt'l5OPTGRl'l4OBlO4t'l25PTK22170817K2ZI70Bt7K2214081 1K7Bl2002lK22t74807K22t408rrCS3OO1 CDSP2137-01G9090056DS3OO1 LCDFTD_10262A8 (SP-28)G6090086AJ 3OO1 CONNECTORJ 3OO2 CONNECTOR00 6200 187 032 80000 6200 187 032 800P1090653P1090653PL3OO1 LAMPPL3OO2 LAMPPL3OO3 LAllPPL3OO4 LAMP10v10v10\/10v10-60T3F10-60T3F10-60T3F10-60T3FQ1000083Q1000083Q1000083Q1000083Q 3OO1 ICLC75B2EG1091496R 3OO1 CHIP RES.R 3OO2 CHIP RES.R 3OO3 CHIP RES.R 3OO4 CHIP RES.R 3OO5 CHIP RES.R 3006 CHIP RES.R 3OO7 CHIP RES.B 3OO8 CHIP RES.R 3OO9 CHIP RES.R 3015 CHIP RES.100K100K10K10K2.2t415t5ooJJ5647K1/10W 5%r/tllil 5%unlil 5%unlfi 5%r/nw 5%vnlf/, 5%r/r}ld 5%un:ff 5%unlil 5'/"r/r6lil 5%RMC1/1OT 1O4JRMCl/1OT 1O4JRl'lCl/1OT 1O3JRl'lCl/1OT 1O3JRI'{CI/IOT 225JRl,lCl/1OT 1sOJRMC1/1OT 15OJRMCl/1OT 33OJRMCl/10T 560JRMC1/16 473JATPJ24205104J2420st04J24205103J24205 103J24205225J24205150J24205 150J24205330J24205560J241854733OO1 TACT S!\IITCH3OO2 TACT SI\IITCH3OO3 TACT SI'.IITCH3OO4 BOTARY CODE Sl,ll3OO5 TACT Sl,\lITCH3006 TACT SlrllTCH3OO7 TACT SI1IITCH3OO8 TACT Sl\lITCH3OO9 TACT SIIIITCH3O1O TACT Sl,\IITCH3011 TACT SllllTCH3012 TACT Sl1lITCHSKHHDUSKHHDUSKHHDUEVQ-lllP9F 1524BSKHHDUSKHHDUSKHHDUSKHHAPSKHHAPSKHHDUSKHHDUSKHHDUN5090080N5090080N5090080Q9000626N5090080N5090080N5090080N5090062N5090062N5090080N5090080N5090080VR3OOl POT.VR3O02 POT.20K20KBAEVU-F2JFK1B24EVU-P2JFKlA24J60800202J60800201LAl',lP GUIDER3516440FT-2500M Technical Supplement3E-5

DISPLAY UnitREF. DESCRIPTION VALUD l{V TOL. MT'GR'S DESIG YAESU P/N VERS.LCD HOLDERLIGHT GUIDELIGHT GUIDEREFLECTORSHEET (A)SHEETLED SPACER (Zpcs)LED SPACERNYLON RIVETR35164504R3520070R3520080R71396704R7140070R7149850LH-5-3 56000236LH-5-9 56000242NRP-380 560003143E-6FT-2500M Technical Supplement

FRC-6 DTMF Paging lJnit (option)\._.i.ouT3. cs5. 027. D09.D2I]. GND13. tNconnector sidesolder sidePin 20\cM8880srT-2(o101)EqB:Nci-tl ooFOGFl":lo'tt 64A-1il{ONDD2DOD2ESOUTN.C+5Vo3BITH-ozcpRS0R/TNoTE IRESISTER VALUES ARE lI o.l./10Y ICAPACITOR VALUES ARE lll rF. SoV :O}CAPACITOA VALUES ARE TANTALUU ;INDIJCTOR VALUES ARE IN HlllltFss UNLESS nTHFR<strong>ft</strong>sF oTH€RU|SE NnTFn- NoTEO.II L_________JFT-2500M Technical Supplement

FRC-6 DTMF Paging Unit(option)REF. DBSCRI PT I ON VALUE l'lv TOL. l',lFGR'S DESIG. YAESU P/N VERS.xx* FRC-6 xl.xPrinted Circuit BoardF32ZB101AC 0101 CHIP CAP.C 0102 CHIP CAP. 0.1uFC 0103 CHIP CAP. 0.1uFC 0104 CHIP CAP. 0.1uFC 0105 CHIP CAP. 33pFC 0106 CHIP CAP. 33pFC 0107 TANTALUI'I CHIP CAP. 3.3uFC 0108 CHIP CAP. 100pFC 0109 CHIP CAP. 100pFC 0110 CHIP CAP. 100pFC 0111 CHIP CAP. 100pF0.01uF5OV B25U F25U F25y F'5OV CH5OV CH10v5OV CHsOV CH5OV CHsOV CHGR[,{4OBlO3l'{SOPTGRt'{4OF 1O4225PTGR}{4OF 1 O4225PTGRll4OFlO4Z25PTGRl'14OCH33OJsOPTGRl'l4OCH33OJ5OPTTEl'lSVAlA33511-8RGRl',l4OCHlOlJSOPTGRl',l4OCHlOlJ5OPTGRM4OCHlO lJ5OPTGRl'{4OCHlOlJSOPTK221708t7K22141005K22141005K?Zr41005K22r70223K22r70223K78100015K22t70235K22170235K22170235K22r70235P O1O1 CONNECTOR52022-t4t0P1090705Q O1O1 ICCl'{888OSI T-2G1091344R O1O1 CHIP RES.R O1O2 CHIP RES.R O1O4 CHIP RES.R 0106 CHIP RES.R O1O7 CHIP RES.100K100K100K3.3K10K1/10l\I1/10l\l1/10l'l1/10l.l1/1OliRMCl/1OT 1O4JRl4Cl/10T 104JRMCl/1OT 1O4JRMCl/1OT 332JRl'lCl/1OT 1O3JJ24205r04J24205104J24205104J24205332J24205103VRO101 POT.47KEVt'|- 1 USX3OBQ447KBJ5 1 789473X O1O1 XTAL3. 579545MH2H0 1 03055RUBBBR SPONGER71397604A-2FT-2500M Technical Supplement

FTS-l7A CTCSS Tone Squelch Unit (option)Ft,tL.aW26-66OFFFF"j *-- =Ym2 qf b;o ooF oconnector sidesolder sidePin4{ONii ii-.!J-{j-!A.ltE'.t'i'iPin g 1-l/r'.mrrrfi;iiMX365LH(otot )lf einrtlElrPinCathode 1,2Anode 1 Anode 2tss3ol (83)(D1ol )106 4.7 6.3YR103 DtOt330K lSS30tcr,x36sLH9 CPUS TOIIE7 TSTB TSOI5 0TA T53 CLOCT( TOETlo861I CABt (I-a 4 lurT 3R'Tls,+ +u^I ONO2NOTE IRESISTER VALUES ARE ll{ o.l/l6v ICAPACITOR VALUES ARE IN TF. sOV :ff)CAPACIToR VALUES ARE TANTALUI IUNLESS OTHERWISE NOTEO.LFT-2500M Technical Supplement4B-1

FTS-l7A CTCSS Tone Squelch Unit(option)REF. DESCRIPTION VALUEWV TOL. MF'GR'S DESIG. YAESU P/N VERS.*** FTS_ITA *cxxPrinted Circuit BoardF3220 1 0 IC 0101 CHIP CAP. 220pFC 0102 CHIP CAP. 220pFC 0i03 CHIP CAP. 0.1uFC 0104 TANTALUI'I CHIP CAP. luFC 0105 TANTALUM CHIP CAP. 0.47uFC 0106 TANTALUI4 CHIP CAP. 4.?uFC 0107 CHIP CAP.C 0108 CHIP CAP. 0.1uF0.001uF50v50v25U16V25U6.3V50v25YBBBBBGR}{39B221l'l5OPTGRl'l39B221M5OPTGRl''14OBlO4l'l25PTF95 1C I 05M<strong>ft</strong>AAF 1Q2F 95IE4?4I'{RAAF1Q2F95OJ475MSAAF 1Q2GRl'l39B1O2M5OPTGRM4OB1O4l'l25PTK2Zt7480IKZ2t74B0tK221408fiK78 120013K7B 1400 1 2K78080002K22t74809K22I4OBTTCOO1Ol CERAI'IIC OSClI'lHzCSB1OOOJ2zlTH7900550D O1O1 DIODE1SS3O1 TE85RG2070086P O1O1 CONNOCTOR52022-nnP1090624Q 0101 rcl'lx365LHG1090897R OiOl CHIP RES.R O1O2 CHIP RES.R O1O3 CHIP BES.R O1O4 CHIP RES.1M2.2t1330K8. 2K1/16lrl1/16l'{1/16l{1/16l\lRMC1/16 1O5JATPRl',lC1/16 334JATPRMC1/16 BZzJATPJ24185105J24185225J24185334J24185822VROlO1 POT.47KEVM- 1 USX3OBQ44ZKBJ51789473SPONGER713020049,-2FT-2500M Technical Supplement

MH-26c8J Microphone (accessory)\s8100367cURL CORD W,/PLUGSpecificationsMicropone Impedance: 2.0kQOperating Temperature Range: -10C- +60CVoltage Requirement: 1.1V- 10V0. 068 l/MIC IL-SI I ET,D1. Call Button2. N.C.3. PTT Button4. Mic Tx Audio5. GND6. +5v Dc7. Up Button8. Down ButtonREF.DESCRI PT I ONVALUE l.lv TOL. l.,lF'GR'S DESIG YAESU P/N VERS.x** MH-26GBJ {,x(*MIC ELEMENTTACT S}rlITCH (3pcs)El'1-78SKHHLNM3290007N5090036IFT-2500M Technical Supplement4C

MH-27A8J Microphone (accessory)t^5su.=-, @I@@@@@@@--,A @__a_9(9/--].i.;i;-\[4,@ohJ-s8100227cURL coRD w/PLUGSpecificationsMicropone Impedance: 1.5kOOperating Temperatwe Range: -10C- +60CVoltage Requirement: 4.8V- 5.2Vililll[illll"lll12345678=E1.D/MR&PButton2. N.C.3. PTT Buttm4. MicTx Ar.dio5. GND6. +5v DC7. Up Button8. Doln Buttonc2 c333p xlc10 cl I1000p x4FT-2500M Technical Supplement4D-1

MH-27A8J Microphone (accessory)REF. DESCR I PT ION VALUE }IV TOL. l',tFGR'S DESIG YAESU P/N VERS.*** MH-Z7ABJ ***D OOO1 LEDD OOOS LEDD OOO4 LEDD OOO5 LEDD 0006 LEDD OOOT LEDSELl 123RSLM-13Dl{SLM-13Dl{SLM_13Dl'|SLM-13DI{SLI'{-13DI'|G2090576G2070326G2070326G2070326G2070326G2070326I,{AIN UNIT ASS'YKEYBOARD UNIT ASS'YSWITCH UNIT ASS'Yl.,tIC ELEMENT876 1 18G1876120Y18761 19G1T006P70F0001s8100307s8100308s8100309M32900214D-2FT-2500M Technical Supplement

, \:...-IIUFiYAE! SfIPerformance without compromise.sMCopyright C),1994Yaesu Musen Co., Ltd.All right reserved.No portion of this manual Umay be reproducedwithout the permission ofYaesu Musen Co., Ltd.Printed in Japan.E06519000 (408o-AY)

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