3
CX-JN331/JPK331
TABLE OF CONTENTS
1. SERVICING NOTES ............................................... 4
2. GENERAL ................................................................... 7
3. DISASSEMBLY
3-1. Disassembly Flow ........................................................... 9
3-2. Case (Side-L/R) ............................................................... 10
3-3. Case (Top) ....................................................................... 10
3-4. Tray Panel........................................................................ 11
3-5. CD Mechanism Deck (CDM74KS-F1BD81C)............... 11
3-6. Front Pack Block ............................................................. 12
3-7. Back Panel Section ......................................................... 12
3-8. MAIN Board.................................................................... 13
3-9. Tape Mechanism Deck
(CWM43FF13: JPK331)/(CWM43FR34: JN331) .......... 13
3-10. Table Assy ....................................................................... 14
3-11 MOTOR (TB) Board ...................................................... 14
3-12 MOTOR (LD) Board ...................................................... 15
3-13 Base Unit (BU-F1BD81C) .............................................. 15
3-14 Motor Gear Assy (Sled) (M102), CD BOARD ............. 16
3-15 Optical Pick-up (KSM-215DCP) .................................... 16
4. TEST MODE.............................................................. 17
5. MECHANICAL ADJUSTMENTS ....................... 21
6. ELECTRICAL ADJUSTMENTS ......................... 21
7. DIAGRAMS
7-1. Block Diagram − SERVO Section − .............................. 24
7-2. Block Diagram − MAIN Section − ................................ 25
7-3. Block Diagram
− PANEL/POWER SUPPLY Section −........................... 26
7-4. Printed Wiring Board − CD Board −............................. 28
7-5. Schematic Diagram − CD Board −................................. 29
7-6. Printed Wiring Boards − CHANGER Section − ........... 30
7-7. Schematic Diagram − CHANGER Section −................. 31
7-8. Printed Wiring Board
− CDMP3 CONNECT Board −....................................... 32
7-9. Schematic Diagram
− CDMP3 CONNECT Board −....................................... 33
7-10. Schematic Diagram − MAIN Section (1/4) − ................ 34
7-11. Schematic Diagram − MAIN Section (2/4) − ................ 35
7-12. Schematic Diagram − MAIN Section (3/4) − ................ 36
7-13. Schematic Diagram − MAIN Section (4/4) − ................ 37
7-14. Printed Wiring Boards − MAIN Section − ..................... 38
7-15. Printed Wiring Boards − PANEL Section − ................... 39
7-16. Schematic Diagram − PANEL Section (1/2) −............... 40
7-17. Schematic Diagram − PANEL Section (2/2) −............... 41
7-18. Printed Wiring Board − POWER AMP Section −.......... 42
7-19. Schematic Diagram − POWER AMP Section −............. 43
7-20. Printed Wiring Boards − TRANS Section −................... 44
7-21. Schematic Diagram − TRANS Section −....................... 45
8. EXPLODED VIEWS
8-1. Case Section .................................................................... 56
8-2. Tape Mechanism Deck Section
(CWM43FF13: JPK331)/(CWM43FR34: JN331) .......... 57
8-3. Panel Board Section ........................................................ 58
8-4. Cassette Box Section ....................................................... 59
8-5. Front Panel Section ......................................................... 60
8-6. Back Panel Section .......................................................... 61
8-7. Chassis Section................................................................ 62
8-8. CD Mechanism deck Section-1
(CDM74KS-F1BD81C) .................................................. 63
8-9. CD Mechanism deck Section-2
(CDM74KS-F1BD81C) .................................................. 64
8-10. CD Mechanism deck Section-3
(CDM74KS-F1BD81C) .................................................. 65
8-11. Base Unit (BU-F1BD81C) .............................................. 66
9. ELECTRICAL PARTS LIST................................ 67
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