User's Manual - Crown Broadcast

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Section 6-Reference Drawings 6-16.1 Views 6-26.2 Board Layouts and Schematics 6-4Section 7-Service and Support 7-17.1 Service 7-27.2 24-Hour Support 7-27.3 Spare Parts 7-2Transmitter Output EfficiencyAppendix-1Glossary G-1IndexIndex-1vi
Section 1—Getting AcquaintedThis section provides a general description of the FM30, FM150, andFM300 transmitters and introduces you to safety conventions usedwithin this document. Review this material before installing or operatingthe transmitter.Getting Acquainted1-1
Page 1 and 2: FM30/FM150/FM300 Broadcast Transmit
Page 3 and 4: ContentsSection 1- Getting Acquaint
Page 5: Section 5-Adjustments and Tests 5-1
Page 9 and 10: 1.2 Applications and OptionsCrown t
Page 11 and 12: 1.2.4 TranslatorA receiver configur
Page 13 and 14: 1.3 Transmitter/Exciter Specificati
Page 15 and 16: Note: We set voltage and ampere req
Page 17 and 18: Section 2—InstallationThis sectio
Page 19 and 20: Illustration 2-1 Removing the Power
Page 21 and 22: 2.2.3 Battery PowerYour transmitter
Page 23 and 24: 2.3.1 Modulation CompensatorThe Mod
Page 25 and 26: Freq. 74-90 Freq. 88-108 SW1 SW2 Fr
Page 27 and 28: Freq. 74-90 Freq. 88-108 SW1 SW2 Fr
Page 29 and 30: 2.6 Audio Input ConnectionsAttach a
Page 31 and 32: Illustration 2-16 Composite In and
Page 33 and 34: Pin Number Function1. Ground2. FMV
Page 35 and 36: Section 3—OperationThis section p
Page 37 and 38: 3. Verify the following:A. The bott
Page 39 and 40: 3.3 Front Panel Bar-Dot DisplaysBar
Page 41 and 42: 3.7 RF Output ControlSet this contr
Page 43 and 44: Section 4—Principles of Operation
Page 45 and 46: 4.2 Audio Processor/Stereo Generato
Page 47 and 48: Processed, pre-emphasized left and
Page 49 and 50: 4.5 Metering CircuitThe ALC and met
Page 51 and 52: Motherboard Jumper Configuration Ch
Page 53 and 54: 4.8 Voltage Regulator Circuit Board
Page 55 and 56: 4.11 RF Driver (FM150/FM300)The RF
Page 57 and 58:
4.15 Receiver Circuit Board OptionT
Page 59 and 60:
Section 5—Adjustments and TestsTh
Page 61 and 62:
5.2.2 Composite OutputYou can make
Page 63 and 64:
5.4.3 SWR CalibrateWhen the Carrier
Page 65 and 66:
5.9 Performance VerificationMeasure
Page 67 and 68:
5.15 Audio DistortionMake distortio
Page 69 and 70:
Section 6—Reference DrawingsThe i
Page 71 and 72:
MeteringCircuitAudio ProcessorSecti
Page 73 and 74:
6.2 Board Layout and SchematicsIllu
Page 75 and 76:
65581 234571234DWG. NO.REV.56789510
Page 77 and 78:
987654321123456789321121234123DWG.
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23212132543215432154321543215432143
Page 81 and 82:
Illustration 6-9 FM Display BoardFM
Page 83 and 84:
Illustration 6-10 FM Voltage Regula
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Illustration 6-11 FM Power Regulato
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R19Illustration 6-12 FM Power Ampli
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Illustration 6-13 FM Low Pass Filte
Page 91 and 92:
Illustration 6-14 FM RF DriverFM30/
Page 93 and 94:
1 2 3 4 5 6REVISION HISTORYAPPROVAL
Page 95 and 96:
Section 7—Service and SupportWe u
Page 97 and 98:
Crown Broadcast Three Year Limited
Page 99 and 100:
Factory Service InstructionsTo obta
Page 101 and 102:
Transmitter Output EfficiencyRF Pow
Page 103 and 104:
GlossaryThe following pages define
Page 105 and 106:
FETFrequency SynthesizerFMonFSKGain
Page 107 and 108:
Symbols19-kHzlevel adjustment 5-3ph
Page 109 and 110:
M (continued)Monooperation 2-13, 3-
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User's Manual - Crown Broadcast

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