ZS-2000 - Sony Audio Service Manual (repair manual). Page 2

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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

         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

3-1.   “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

4-1.   General Description .......................................................... 17
4-2.   Test Mode .......................................................................... 17

5-1.   Tuner Section .................................................................... 19
5-2.   Loop Antenna Section ....................................................... 21
5-2.   CD Section ........................................................................ 21

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

7-1.   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

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