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Sony MZ-R50 service manual

Models: MZ-R50

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Contents

E Model Australian Model Tourist Model MZ-R50US Model Canadian Model AEP Model UK 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 7LCD flexible board Main board CN803 2 Screw HP 1Screws M1.4 toothed lock Main board3 OP flexible board Main board CN501 4 JOG unit flexible board Main board CN9044 MD flexible board REC board 1 OP flexible board Optical pick-upassy2 Screws M1.4x3.0 locking 5 ScrewSwitch board 2Screws M1.4 precision pan Battery case assyPower board Battery case assyOrnamental belt assy 1 Screw Precision 3-8.SWITCH UNIT WITH JOG DIAL REMOVALSwitch unit with JOG dial Chassis Main assy Holder dial 4 ScrewsIC801 SECTION 4 TEST MODE01.00 Setting the Test ModeServo Mode Structure of Servo ModeAUTO ADJ Adjusting MethodCluster Display Audio Mode Structuer of Audio ModeMecha Mode Power supply ModeStructure of Power Supply Mode Structure of Mecha ModeMO RUN 4000Assy MODE CD RUNOptical Pickup flexible board SECTION ADJUSTMENTSAdjusting Method ConnectionConnection Adjusting MethodAdjusting Method ConnectionAdjusting Method Adjusting MethodAdjusting Method ConnectionAP574 LDIO AP5500 RF Adjustment LocationMAIN BOARD SIDE B AP5430Pin name SECTION DIAGRAMSPin No DescriptionPin No Pin nameDescription Pin name IC801 SYSTEM CONTROL CXP81960M-652RPin No DescriptionPin No Pin nameDescription MZ-R50 REC board CLV board MAIN board POWER boardSWITCH board r WAVEFORMS r Refer to page 61 for IC Block DiagramMZ-R50 IC501 #¥r Refer to page 62 for IC Block Diagrams MZ-R50r WAVEFORMS r Refer to page 64 for IC Block DiagramsMZ-R50 IC801rIC BLOCK DIAGRAMS - MAIN 1/3 SECTION MZ-R50IC501 CXA2523AR-T4 IC506 MPC18A20VM IC806 MB3800PNFIC802 RS5RJ29261 IC807 AK93C45AV-LrIC BLOCK DIAGRAM - MAIN 3/3 SECTION IC303 AK4515-VQSECTION EXPLODED VIEWS DescriptionRemark Page Page SECTION ELECTRICAL PARTS LIST CLV MAINMAIN MAIN MAIN POWER MAINREC SWITCH POWER9-923-258-11 MZ-R50Sony Corporation Personal A&V Products Company