Read Sony CMT-CPX1 / HCD-CPX1 Service Manual online
2
HCD-CPX1
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous ra-
diation exposure.
other than those specified herein may result in hazardous ra-
diation exposure.
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
Flexible Circuit Board Repairing
• Keep the temperature of the soldering iron around 270 ˚C dur-
ing repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
or unsoldering.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
0
OR DOTTED
LINE WITH MARK
0
ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.
TABLE OF CONTENTS
1.
SERVICING NOTES
...............................................
3
2.
GENERAL
Location of Controls .......................................................
7
Setting the Clock .............................................................
8
3.
DISASSEMBLY
3-1. Disassembly Flow ...........................................................
9
3-2. Case ................................................................................. 10
3-3. Front Panel Section ......................................................... 10
3-4. TC Board, Mechanical Deck .......................................... 11
3-5. MAIN Board ................................................................... 11
3-6. Tuner Unit ....................................................................... 12
3-7. CD Mechanism Deck (CDM55C-K6BD44S) ................ 12
3-8. Loading Board ................................................................. 13
3-9. Cam (CDM55) ................................................................ 13
3-10. Base Unit (BU-K6BD44S) ............................................. 14
3-3. Front Panel Section ......................................................... 10
3-4. TC Board, Mechanical Deck .......................................... 11
3-5. MAIN Board ................................................................... 11
3-6. Tuner Unit ....................................................................... 12
3-7. CD Mechanism Deck (CDM55C-K6BD44S) ................ 12
3-8. Loading Board ................................................................. 13
3-9. Cam (CDM55) ................................................................ 13
3-10. Base Unit (BU-K6BD44S) ............................................. 14
4.
TEST MODE
.............................................................. 15
5.
ELECTRICAL ADJUSTMENTS
Deck Section ................................................................... 17
CD Section ...................................................................... 18
CD Section ...................................................................... 18
6.
DIAGRAMS
6-1. Block Diagram – CD Servo Section – ........................... 19
6-2. Block Diagram – TUNER/TAPE DECK Section – ...... 20
6-3. Block Diagram – MAIN Section – ................................ 21
6-4. Block Diagram
6-2. Block Diagram – TUNER/TAPE DECK Section – ...... 20
6-3. Block Diagram – MAIN Section – ................................ 21
6-4. Block Diagram
– DISPLAY/POWER SUPPLY Section – ...................... 22
6-5. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 23
6-6. Printed Wiring Board – BD Board – ............................. 24
6-7. Schematic Diagram – BD Board – ................................ 25
6-8. Printed Wiring Board – TC Board – .............................. 26
6-9. Schematic Diagram – TC Board – ................................. 27
6-10. Printed Wiring Boards
6-7. Schematic Diagram – BD Board – ................................ 25
6-8. Printed Wiring Board – TC Board – .............................. 26
6-9. Schematic Diagram – TC Board – ................................. 27
6-10. Printed Wiring Boards
– LOADING/MAIN Boards – ....................................... 29
6-11. Schematic Diagram – MAIN Board (1/2) – .................. 30
6-12. Schematic Diagram
6-12. Schematic Diagram
– LOADING/MAIN (2/2) Boards – ............................... 31
6-13. Printed Wiring Board – AMP Board – .......................... 32
6-14. Schematic Diagram – AMP Board – ............................. 33
6-15. Printed Wiring Boards
6-14. Schematic Diagram – AMP Board – ............................. 33
6-15. Printed Wiring Boards
– BACK LIGHT/LCD/SWITCH Boards – .................... 34
6-16. Schematic Diagram
– BACK LIGHT/LCD/SWITCH Boards – ................... 35
6-17. Printed Wiring Board
– HP/ SP OUT/POWER Boards – ................................. 36
6-18. Schematic Diagram
– HP/ SP OUT/POWER Boards – ................................ 37
6-19. IC Pin Function Description ........................................... 42
7.
EXPLODED VIEWS
7-1. Case Section .................................................................... 45
7-2. Front Panel Section-1 ...................................................... 46
7-3. Front Panel Section-2 ...................................................... 47
7-4. Lid (TC) Section ............................................................. 48
7-5. Chassis Section-1 ............................................................ 49
7-6. Chassis Section-2 ............................................................ 50
7-7. Chassis Section-3 ............................................................ 51
7-8. CD Mechanism Deck Section
7-2. Front Panel Section-1 ...................................................... 46
7-3. Front Panel Section-2 ...................................................... 47
7-4. Lid (TC) Section ............................................................. 48
7-5. Chassis Section-1 ............................................................ 49
7-6. Chassis Section-2 ............................................................ 50
7-7. Chassis Section-3 ............................................................ 51
7-8. CD Mechanism Deck Section
(CDM55C-K6BD44S) .................................................... 52
7-9. Base Unit (BU-K6BD44S) ............................................. 53
8.
ELECTRICAL PARTS LIST
............................... 54
This appliance is
classified as a CLASS 1
LASER product. This
label is located on the
rear exterior.
classified as a CLASS 1
LASER product. This
label is located on the
rear exterior.
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