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MZ-R50 service manual
Models:
MZ-R50
1
11
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56 pages
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Parts list
Section Diagrams
Section Disassembly
Adjusting Method
2Screws M1.4 precision pan Battery case assy
Setting the Test Mode
Power supply Mode
Tape Upper panel assy Door open/close switch S817
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Page 12
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Page 12
Contents
PORTABLE MINIDISC RECORDER
MZ-R50
US Model Canadian Model AEP Model UK Model
E Model Australian Model Tourist Model
Page
Main board
SECTION SERVICING NOTE
Tape Upper panel assy Door open/close switch S817
SECTION 2 GENERAL
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SECTION DISASSEMBLY
4 JOG unit flexible board Main board CN904
2 Screw HP 1Screws M1.4 toothed lock Main board
3 OP flexible board Main board CN501
7LCD flexible board Main board CN803
5 Screw
Optical pick-upassy
2 Screws M1.4x3.0 locking
4 MD flexible board REC board 1 OP flexible board
Battery case assy
2Screws M1.4 precision pan Battery case assy
Power board
Switch board
Holder dial 4 Screws
3-8.SWITCH UNIT WITH JOG DIAL REMOVAL
Switch unit with JOG dial Chassis Main assy
Ornamental belt assy 1 Screw Precision
Setting the Test Mode
SECTION 4 TEST MODE
01.00
IC801
Structure of Servo Mode
Servo Mode
Cluster Display
AUTO ADJ
Adjusting Method
Structuer of Audio Mode
Audio Mode
Structure of Mecha Mode
Power supply Mode
Structure of Power Supply Mode
Mecha Mode
CD RUN
4000
Assy MODE
MO RUN
Connection
SECTION ADJUSTMENTS
Adjusting Method
Optical Pickup flexible board
Connection
Adjusting Method
Adjusting Method
Connection
Connection
Adjusting Method
Adjusting Method
Adjusting Method
AP5430
Adjustment Location
MAIN BOARD SIDE B
AP574 LDIO AP5500 RF
Description
SECTION DIAGRAMS
Pin No
Pin name
Description
Pin No
Pin name
Description
IC801 SYSTEM CONTROL CXP81960M-652R
Pin No
Pin name
Description
Pin No
Pin name
SWITCH board
MZ-R50
REC board CLV board MAIN board POWER board
IC501 #¥
r Refer to page 61 for IC Block Diagram
MZ-R50
r WAVEFORMS
MZ-R50
r Refer to page 62 for IC Block Diagrams
IC801
r Refer to page 64 for IC Block Diagrams
MZ-R50
r WAVEFORMS
IC501 CXA2523AR-T4
rIC BLOCK DIAGRAMS - MAIN 1/3 SECTION
MZ-R50
IC806 MB3800PNF
IC506 MPC18A20VM
IC807 AK93C45AV-L
IC802 RS5RJ29261
IC303 AK4515-VQ
rIC BLOCK DIAGRAM - MAIN 3/3 SECTION
Remark
SECTION EXPLODED VIEWS
Description
Page
Page
CLV MAIN
SECTION ELECTRICAL PARTS LIST
MAIN
MAIN
MAIN
MAIN
POWER
POWER
REC SWITCH
Personal A&V Products Company
MZ-R50
Sony Corporation
9-923-258-11