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Sony MZ-R50 service manual

Models: MZ-R50

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Contents

US Model Canadian Model AEP Model UK Model MZ-R50E Model Australian Model Tourist Model PORTABLE MINIDISC RECORDERPage SECTION SERVICING NOTE Tape Upper panel assy Door open/close switch S817Main board SECTION 2 GENERAL Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page SECTION DISASSEMBLY 3 OP flexible board Main board CN501 2 Screw HP 1Screws M1.4 toothed lock Main board7LCD flexible board Main board CN803 4 JOG unit flexible board Main board CN9042 Screws M1.4x3.0 locking Optical pick-upassy4 MD flexible board REC board 1 OP flexible board 5 ScrewPower board 2Screws M1.4 precision pan Battery case assySwitch board Battery case assySwitch unit with JOG dial Chassis Main assy 3-8.SWITCH UNIT WITH JOG DIAL REMOVALOrnamental belt assy 1 Screw Precision Holder dial 4 Screws01.00 SECTION 4 TEST MODEIC801 Setting the Test ModeStructure of Servo Mode Servo ModeAUTO ADJ Adjusting MethodCluster Display Structuer of Audio Mode Audio ModeStructure of Power Supply Mode Power supply ModeMecha Mode Structure of Mecha ModeAssy MODE 4000MO RUN CD RUNAdjusting Method SECTION ADJUSTMENTSOptical Pickup flexible board ConnectionAdjusting Method Adjusting MethodConnection ConnectionAdjusting Method Adjusting MethodAdjusting Method ConnectionMAIN BOARD SIDE B Adjustment LocationAP574 LDIO AP5500 RF AP5430Pin No SECTION DIAGRAMSPin name DescriptionPin No Pin nameDescription Pin No IC801 SYSTEM CONTROL CXP81960M-652RPin name DescriptionPin No Pin nameDescription MZ-R50 REC board CLV board MAIN board POWER boardSWITCH board MZ-R50 r Refer to page 61 for IC Block Diagramr WAVEFORMS IC501 #¥MZ-R50 r Refer to page 62 for IC Block DiagramsMZ-R50 r Refer to page 64 for IC Block Diagramsr WAVEFORMS IC801rIC BLOCK DIAGRAMS - MAIN 1/3 SECTION MZ-R50IC501 CXA2523AR-T4 IC806 MB3800PNF IC506 MPC18A20VMIC807 AK93C45AV-L IC802 RS5RJ29261IC303 AK4515-VQ rIC BLOCK DIAGRAM - MAIN 3/3 SECTIONSECTION EXPLODED VIEWS DescriptionRemark Page Page CLV MAIN SECTION ELECTRICAL PARTS LISTMAIN MAIN MAIN MAIN POWERPOWER REC SWITCHSony Corporation MZ-R509-923-258-11 Personal A&V Products Company