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Sony MZ-R50 2Screws M1.4 precision pan Battery case assy, Chassis Main assy, Remove solder

Models: MZ-R50

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3-6. BATTERY CASE ASSY REMOVAL

2Screws

(M1.4 precision pan)

Battery case assy

1 4

Chassis (Main) assy

3-7. POWER BOARD, SWITCH BOARD REMOVAL

1 Screws	2 Remove solder
(M1.4 toothed lock)

Power board

3 Remove solder

Battery case assy

5 4

Switch board

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Page 23

Image 23

Sony MZ-R50 2Screws M1.4 precision pan Battery case assy, Chassis Main assy, Remove solder, M1.4 toothed lock, Power board

Contents

PORTABLE MINIDISC RECORDER MZ-R50US Model Canadian Model AEP Model UK Model E Model Australian Model Tourist ModelPage Main board SECTION SERVICING NOTETape Upper panel assy Door open/close switch S817 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 ModeCluster Display AUTO ADJAdjusting Method 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 nameDescription Pin NoPin name Description IC801 SYSTEM CONTROL CXP81960M-652RPin No Pin nameDescription Pin NoPin name SWITCH board MZ-R50REC board CLV board MAIN board POWER 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 WAVEFORMSIC501 CXA2523AR-T4 rIC BLOCK DIAGRAMS - MAIN 1/3 SECTIONMZ-R50 IC806 MB3800PNF IC506 MPC18A20VMIC807 AK93C45AV-L IC802 RS5RJ29261IC303 AK4515-VQ rIC BLOCK DIAGRAM - MAIN 3/3 SECTIONRemark SECTION EXPLODED VIEWSDescription 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

2Screws

Chassis (Main) assy

1 Screws

2 Remove solder

(M1.4 toothed lock)

Power board

3 Remove solder

Battery case assy

Switch board

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