SLV-SE85/SF90/SF99

5-6. SERVO/SYSTEM CONTROL MICROPROCESSOR PIN FUNCTIONS(MA-359 BOARD IC160)Pin No.1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950Pin NameRF SWPAF REC PN.CQVDAUTO PRESETFE ONSW1N.CCAM 2N.CTA MUTESECAM DETN.CSECAM MIXCIN (REC PRF)AV CONTSECAM ONMODE 4MODE 3MODE 2MODE 1ENV SWS IN 0S OUT 0S CLKASURA CSSRVOCAP TRQ PWMC + DETCAP RVSA MUTET/E LEDCAP STOPFULL ERSN.CSDA 0N.CSCL 0MPASURA RESETV SSXTALEXTALN.CDRM PGDRM FGCAP FGDNR RSTFRONT SELI CONTI/OOOOOOOOIOIIIOIIIIIIOIIOOOOOOOI/OI/O—I—OI—III———FunctionRF switching pulse output.“H” when HiFi audio REC.Not used.Quasi VD pulse output.“H” during auto preset.Flying erase ON/OFF.BG/L control signalNot used.Cam motor control.Not used.Tuner audio mute. H: MuteNot used.Not used.Not used.Erasing protection tab, cassette indetection signal input.Not used.Cam encoder signal input.Cam encoder signal input.Cam encoder signal input.Cam encoder signal input.Video envelope mode detect signal(SP or EP)Serial communication signal.Serial communication signal.Serial communication signal.Servo/system control microcomputerchip select signal.Not used.PWM output for capstan torquecontrol.Not used.Capstan reverse control “L” whenreverse.“H” when audio mute.Tape top /end sensors driver.Capstan stop signal output.Full erase control.Not used.Serial communication data.Not used.Serial communication clock.Ground.System reset signal.Ground.System clock (16 MHz).System clock (16 MHz).Not used.Drum PG input.Drum FG input.Capstan FG input.NICOL control signal out.Cable box control signal out.Forced mono.Pin No.51525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100Pin NameSW2AVSSAVrefAVDDNTPB SWAV ADJFOLLW TVN.CAF ENVRF ENVT SENSS SENSN.CAMP VSSCTL HEAD (–)CTL HEAD (+)HEADL (+)HEADL (–)CTL F AMP (+)CTL F AMP (–)CTL GNDCTL S AMPICTL F AMPOAMP VDDCTL OUTS REEL FGT REEL FGCAP DADRM DAN.CN.CVSYNCN.C24 V_CONT18 V_CONTN.CN.CVSSVDD5VN.CFAST SEARCHHA SWPPOWER SAVE CONT 1POWER SAVE C+MOD CONTSP/LPTV/VTRSTEP PLSAF SWPI/OO—IIII——IIIII—I/OI/OOOIIOIOIOIIOO—IOO—IIOOOOOOOOOOFunctionNot used.Ground.D5VD5VGround.Adjustment mode.Ground.Ground.HiFi audio playback signal envelope.Video playback signal envelope.Take-up end sensor.Supply end sensor.Not used.Ground.CTL signal I/O.CTL signal I/O.CTL signal.CTL signal.CTL first AMP input.CTL first AMP input.Ground.CTL second AMP input.CTL first AMP output.5 V.Control signal output for check pin.Supply reel FG input.Take-up reel FG input.Capstan error D/A output.Drum error D/A output.UNSW 5 V.Ground.Composite sync signal input.Not used.24 V control, when the high speedmode.18 V control, when the high speedmode.Not used.Not used.Ground.D5VD5VNot used.Switching signal for capacitor onCTL(X).Head AMP SWP.Not used.Not used.Tuner modulation out control signal.Tape speed mode control signal “L”when SP mode.Not used.Step pulse “H” when capstan stepdriving.AF switching pulse output.5-3