Sony MZ-R90/R91, MT-MZR70-165 instruction

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Sony MZ-R90/R91, MT-MZR70-165 service manual

Contents

AEP Model US ModelCanadian Model UK Model Flexible Circuit Board Repairing Notes on chip component replacement TABLE OF CONTENTS NOTES ON HANDLING THE OPTICAL PICK-UPBLOCK LCX-2R SECTION SERVICING NOTENOTES ON LASER DIODE EMISSION CHECK OPTICAL PICK-UPFLEXIBLE BOARD SECTION 2 GENERAL Page Page SECTION DISASSEMBLY 3-3.LCD MODULE 3-4.MAIN BOARD 3-6.SERVICE ASSY, OP 3-5.MD MECHANISM DECK MT-MZR70-165over write head section 3-7.HOLDER ASSY 3-8.MOTOR FLEXIBLE BOARD 3-9.MOTOR, DC M602 3-10.“MOTOR, DC M601”, “MOTOR, DC M603” 4-2-1.Setting Method of Test Mode SECTION 4 TEST MODE4-2-2.Operation in Setting the Test Mode 888xxxxxxxxxFREC1SHUF 000M a n u a l 011 0 6 3 B 011 C 6 8 S011 0 F FJ 011 0 5 9 A 000S t a t 000A d r s 000B E m p 000# # # # # # 000P * * RE I B 000P * * R 000B O v r 000B f u l 000R t r y 000N - 1 000N - 1 000N - 2 000N - 2 000N 0001 s t0001 s t 0001 s t 0001 s t 000R # # # # Description of Error Indication Codes • Description of Indication History 4-7.KEY CHECK MODE 021R e s O K ? SECTION ELECTRICAL ADJUSTMENTS021R e s N 021R e s 763V r h V c l 762V c l P W M765V c h P W M 766V r h V c h C D R U N 014S e t T m p000 A s s y 341 C D O K Connection 043R e s u m e043R e s C l r Check Method Connecting Location DIAGRAMS MZ-R70SECTION MZ-R70 6-3.BLOCK DIAGRAM - POWER SUPPLY SECTION MZ-R70Waveforms Page Page Refer to page 41 for IC Block Diagrams MZ-R70 MZ-R70 MZ-R70 IC302 IC501SN761056 NJM2173 IC603 IC601MPC17A56FTA MPC18A21MTB IC901 MPC18A31FTA IC301AK4517-VQ-L 6-9.IC PIN DESCRIPTIONS MAIN BOARD IC502 CXD2660GA Page Page Page Page Page SECTION EXPLODED VIEWS Page SECTION ELECTRICAL PARTS LIST MAIN MAIN MAIN MAIN MAIN Personal Audio Division Company Sony CorporationMZ-R70 Published by General Engineering Dept Ver US Model Canadian Model AEP Model UK ModelE Model Australian Model Chinese Model Subject Taiwan model Addition