CMT-CPX1, HCD-CPX1 (serv.man2) — Sony Audio Service Manual (repair manual). Page 3

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3
HCD-CPX1
TABLE  OF  CONTENTS
1.
SERVICING  NOTES
...............................................
4
2.
GENERAL
Location of Controls .......................................................
8
Setting the Clock .............................................................
9
3.
DISASSEMBLY
3-1. Disassembly Flow ........................................................... 10
3-2. Case ................................................................................. 11
3-3. Front Panel Section ......................................................... 11
3-4. TC Board, Mechanical Deck .......................................... 12
3-5. MAIN Board ................................................................... 12
3-6. Tuner Unit ....................................................................... 13
3-7. CD Mechanism Deck (CDM55A-K6BD44S) ................ 13
3-8. Loading Board ................................................................. 14
3-9. Cam (CDM55) ................................................................ 14
3-10. Base Unit (BU-K6BD44S) ............................................. 15
3-11. Motor Gear Assy (Sled) (M102), BD Board .................. 15
3-12. Optical Pick-up (KSS-213D) .......................................... 16
4.
TEST  MODE
.............................................................. 17
5.
ELECTRICAL  ADJUSTMENTS
Deck Section ................................................................... 19
CD Section ...................................................................... 20
6.
DIAGRAMS
6-1. Block Diagram  – CD Servo Section – ........................... 21
6-2. Block Diagram  – TUNER/TAPE DECK Section – ...... 22
6-3. Block Diagram  – MAIN Section – ................................ 23
6-4. Block Diagram
– DISPLAY/POWER SUPPLY Section – ...................... 24
6-5. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 25
6-6. Printed Wiring Board  – BD Board – ............................. 26
6-7. Schematic Diagram  – BD Board – ................................ 27
6-8. Printed Wiring Board  – TC Board – .............................. 28
6-9. Schematic Diagram  – TC Board – ................................. 29
6-10. Printed Wiring Boards
 – LOADING/MAIN Boards – ....................................... 31
6-11. Schematic Diagram  – MAIN Board (1/2) – .................. 32
6-12. Schematic Diagram
– LOADING/MAIN (2/2) Boards – ............................... 33
6-13. Printed Wiring Board  – AMP Board – .......................... 34
6-14. Schematic Diagram  – AMP Board – ............................. 35
6-15. Printed Wiring Boards
– BACK LIGHT/LCD/SWITCH Boards – .................... 36
6-16. Schematic Diagram
 – BACK LIGHT/LCD/SWITCH Boards – ................... 37
6-17. Printed Wiring Boards
 – HP/SP OUT/POWER Boards – .................................. 38
6-18. Schematic Diagram
  – HP/SP OUT/POWER Boards – ................................. 39
6-19. IC Pin Function Description ........................................... 44
7.
EXPLODED  VIEWS
7-1. Case Section .................................................................... 47
7-2. Front Panel Section-1 ...................................................... 48
7-3. Front Panel Section-2 ...................................................... 49
7-4. Lid (TC) Section ............................................................. 50
7-5. Chassis Section-1 ............................................................ 51
7-6. Chassis Section-2 ............................................................ 52
7-7. Chassis Section-3 ............................................................ 53
7-8. CD Mechanism Deck Section
(CDM55A-K6BD44S) .................................................... 54
7-9. Base Unit (BU-K6BD44S) ............................................. 55
8.
ELECTRICAL  PARTS  LIST
............................... 56
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