Sanyo MCD-ZX100F Service Manual

Also see for MCD-ZX100F: Instruction manual Service manual

Contents

- 6 -IC101 LA1824 (Tuner)PARTS LISTBATTCUT P.W.BOARD ASSYREF.NO. PART NO. DESCRIPTION70 614 332 8650 ASSY,PWB,BATTCUT(Only initial)SW102 645 074 9476 SLIDE SWITCH,ST.MONO645 074 9131 CXH WAFER 2P,STSW645 074 9162 HOUSING WAFER 2P,BATTCUTBATTERY A P.W.BOARD ASSYREF.NO. PART NO. DESCRIPTION75 614 332 8629 ASSY,PWB,BATTERY A(Only initial)645 075 0243 BATTERY SPRING -BATTERY B P.W.BOARD ASSYREF.NO. PART NO. DESCRIPTION76 614 332 8636 ASSY,PWB,BATTERY B(Only initial)645 075 0243 BATTERY SPRING -1 2 3 4 5 6 7 8 9 10 11 1224 23 22 21 20 19 18 17 16 15 14 13FMRFAMRFAMMIXFMMIXFMOSCAMOSCREG Vcc1Vcc2GND2GND1DECODER PHASECOMPPILOTDETTRIG ST-SW VCODETDETAM-IFS-METERFM-IFAGCFF FF FFSTLEDTUNLEDPin Descriptions and Quiescent Voltage at VCC = 4.5VPin Quiescentnumber Function voltage (V) Equivalent circuit RemarksAM FM1 AM-RF input 1.3 1.3 Connect the AM antenna coilbetween this pin and pin 2 (Re g)2 Reg 1.3 1.3Connect theAM oscilla tor coil3 AM-OSC 4.5 4.5 between this pin and pin 4(VCC1)4 VCC1 4.5 4.5 AM/FM-IF/MPX block VCCConnect the FM mixer coil5 FM-MIX output 4.5 4.5 between this pin and pin 4(VCC1)6 GND1 0 0 AM/FM-IF/MPX block GNDConnect the AM mix er coil7 AM-MIX output 4.5 4.5 between this pin and pin 4(VCC1)ILA0030712ILA003082ILA003093 4ILA003854 5ILA003867 4IC BLOCK DIAGRAM & DESCRIPTIONPin Quiescentnumber Function voltage (V) Equivalent circuit RemarksAM FMActi ve-low8 Tuning indicator 4.5 4.5 Open-collector output can directlydrive LED (I C max = 20 mA)Acti ve-lowStereo9 indicator and 4.5 4.5Open-collector output can directlyAM IF outputdrive LED (I C max = 20 mA)AM-IF signal is output inAM mode10 FM-IF input 1.3 1.3 Rin = 33011 AM-IF input 1.3 1.3 Rin = 2 kAM-A GC12 output and 0.7 0.2 Internal load resistanceFM signal R = 16.6 kmeter outputConnect the FM detector coil13 FM-DET 4.5 4.5 between this pin and pin 4(VCC1)ILA00387ILA003888ILA00314102RinILA00315112RinILA00317ILA0031612R913

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