– 2 –
1. SERVICING NOTES
1-1. Notes on Handling the Optical Pick-up Block or Base Unit .. 3
1-2. Notes on Laser Diode Emission Check ............................... 3
1-3. Notes on Chip Component Replacement ............................ 3
1-4. Flexible Circuit Board Repairing ........................................ 3
1-5. Laser Diode and Focus Search Operation Check ................ 3
1-6. Caution During when Mounting the Pulley for the
Loading Motor .................................................................... 3
2. GENERAL
Setting the Clock Automatically .......................................... 4
Playing a CD ....................................................................... 4
Listening to the Radio ......................................................... 5
Setting the Time Signal ....................................................... 5
Preparing the System ........................................................... 6
Saving Power ....................................................................... 6
3. DISASSEMBLY
3-1. “Net Sub Assy, Saran”, Speaker (Front) Sub Assy ............. 7
3-2. Cabinet, Front ...................................................................... 8
3-3. Top Cabinet Assy ................................................................ 9
3-4. CD Block Assy .................................................................... 9
3-5. Power Board, REG Board ................................................. 10
3-6. TU Board, EXT ANT Board ............................................. 10
3-7. “Cover, Heat Sink”, Line Board ........................................ 11
3-8. Volume Board .................................................................... 11
3-9. H/P Board, Switch (1) Board, Switch (2) Board ............... 12
3-10. FL Board, Lamp Board ..................................................... 12
3-11. Control Board .................................................................... 13
3-12. Main Board ....................................................................... 13
3-13. CD Board .......................................................................... 14
3-14. CD Block Section .............................................................. 14
3-15. Tray Assy, CD ................................................................... 15
3-16. Loading Board ................................................................... 15
3-17. Optical Pick-up, Pick-up Relay Board .............................. 16
3-18. CL/Receiver Board ............................................................ 16
4. TEST MODE
4-1. General Description .......................................................... 17
4-2. Test Mode .......................................................................... 17
TABLE OF CONTENTS
5. ELECTRICAL ADJUSTMENTS
5-1. Tuner Section .................................................................... 19
5-2. Loop Antenna Section ....................................................... 21
5-2. CD Section ........................................................................ 21
6. DIAGRAMS
6-1. IC Pin Description ............................................................. 22
6-2. Circuit Boards Location .................................................... 24
6-3. Block Diagram –Tuner Section– ....................................... 25
6-4. Block Diagram –CD Section– ........................................... 27
6-5. Block Diagram –Audio Section– ...................................... 29
6-6. Printed Wiring Boards –Tuner Section– ........................... 31
6-7. Schematic Diagrams –Tuner Section– .............................. 33
6-8. Printed Wiring Boards –CD Section– ............................... 35
6-9. Schematic Diagrams –CD Section– .................................. 37
6-10. Printed Wiring Boards –Pick-up Section– ........................ 39
6-11. Schematic Diagrams –Pick-up Section– ........................... 41
6-12. Printed Wiring Boards –Main Section– ............................ 43
6-13. Schematic Diagrams –Main Section– ............................... 45
6-14. Printed Wiring Boards –Control Section– ......................... 47
6-15. Schematic Diagrams –Control Section– ........................... 49
6-16. Printed Wiring Boards –Display Section– ........................ 51
6-17. Schematic Diagrams –Display Section– ........................... 53
6-18. Printed Wiring Boards –Power Supply Section– .............. 55
6-19. Schematic Diagrams –Power Supply Section– ................. 57
6-20. Printed Wiring Board –Loop Antenna Section– ................ 58
6-21. Schematic Diagram –Loop Antenna Section– .................. 59
7. EXPLODED VIEWS
7-1. Front Cabinet Section ........................................................ 65
7-2. Rear Cabinet Section ......................................................... 66
7-3. CD Block Section .............................................................. 67
7-4. CD Loading Section (VLM-ZS2000) ............................... 68
7-5. Optical Pick-up Section (CDM-2411AA) ......................... 69
7-6. Loop Antenna Section ....................................................... 70
8. ELECTRICAL PARTS LIST
...................................... 71
