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Sony MZ-R50 service manual

Models: MZ-R50

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Contents

PORTABLE MINIDISC RECORDER MZ-R50US Model Canadian Model AEP Model UK Model E Model Australian Model Tourist ModelPage Tape Upper panel assy Door open/close switch S817 SECTION SERVICING NOTEMain board SECTION 2 GENERAL Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page SECTION DISASSEMBLY 4 JOG unit flexible board Main board CN904 2 Screw HP 1Screws M1.4 toothed lock Main board3 OP flexible board Main board CN501 7LCD flexible board Main board CN8035 Screw Optical pick-upassy2 Screws M1.4x3.0 locking 4 MD flexible board REC board 1 OP flexible boardBattery case assy 2Screws M1.4 precision pan Battery case assyPower board Switch boardHolder dial 4 Screws 3-8.SWITCH UNIT WITH JOG DIAL REMOVALSwitch unit with JOG dial Chassis Main assy Ornamental belt assy 1 Screw PrecisionSetting the Test Mode SECTION 4 TEST MODE01.00 IC801Structure of Servo Mode Servo ModeAdjusting Method AUTO ADJCluster Display Structuer of Audio Mode Audio ModeStructure of Mecha Mode Power supply ModeStructure of Power Supply Mode Mecha ModeCD RUN 4000Assy MODE MO RUNConnection SECTION ADJUSTMENTSAdjusting Method Optical Pickup flexible boardConnection Adjusting MethodAdjusting Method ConnectionConnection Adjusting MethodAdjusting Method Adjusting MethodAP5430 Adjustment LocationMAIN BOARD SIDE B AP574 LDIO AP5500 RFDescription SECTION DIAGRAMSPin No Pin namePin name Pin NoDescription Description IC801 SYSTEM CONTROL CXP81960M-652RPin No Pin namePin name Pin NoDescription REC board CLV board MAIN board POWER board MZ-R50SWITCH board IC501 #¥ r Refer to page 61 for IC Block DiagramMZ-R50 r WAVEFORMSMZ-R50 r Refer to page 62 for IC Block DiagramsIC801 r Refer to page 64 for IC Block DiagramsMZ-R50 r WAVEFORMSMZ-R50 rIC BLOCK DIAGRAMS - MAIN 1/3 SECTIONIC501 CXA2523AR-T4 IC806 MB3800PNF IC506 MPC18A20VMIC807 AK93C45AV-L IC802 RS5RJ29261IC303 AK4515-VQ rIC BLOCK DIAGRAM - MAIN 3/3 SECTIONDescription SECTION EXPLODED VIEWSRemark Page Page CLV MAIN SECTION ELECTRICAL PARTS LISTMAIN MAIN MAIN MAIN POWERPOWER REC SWITCHPersonal A&V Products Company MZ-R50Sony Corporation 9-923-258-11