Read Sony CMT-DC1K / HCD-DC1K Service Manual online
2
HCD-DC1K
TABLE OF CONTENTS
1.
SERVICING NOTES
...............................................
3
2.
GENERAL
Parts Identification ..........................................................
4
Setting the Time ..............................................................
4
3.
DISASSEMBLY
3-1. Disassembly Flow ...........................................................
6
3-2. Upper Cover Sub Assy ....................................................
7
3-3. CD Lid .............................................................................
7
3-4. Front Panel Section .........................................................
8
3-5. Tape Mechanism Deck ....................................................
8
3-6. CD Mechanism Deck (CDM55F-K6BD41A) ................
9
3-7. Base Unit (BU-K6BD41A) .............................................
9
3-8. Loading Motor Board ..................................................... 10
3-9. Cam (CDM55) ................................................................ 10
3-9. Cam (CDM55) ................................................................ 10
4.
TEST MODE
.............................................................. 11
5.
ELECTRICAL ADJUSTMENTS
Deck Section ................................................................... 12
CD Section ...................................................................... 13
CD Section ...................................................................... 13
6.
DIAGRAMS
6-1. Block Diagram – CD SERVO Section – ....................... 15
6-2. Block Diagram – MAIN Section – ................................ 16
6-3. Block Diagram
6-2. Block Diagram – MAIN Section – ................................ 16
6-3. Block Diagram
– DISPLAY/POWER SUPPLY Section – ...................... 17
6-4. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 18
6-5. Printed Wiring Board – CD Board – ............................. 20
6-6. Schematic Diagram – CD Board – ................................ 21
6-7. Printed Wiring Board – TC Board – .............................. 22
6-8. Schematic Diagram – TC Board – ................................. 23
6-9. Schematic Diagram – MAIN Board (1/3) – ................. 24
6-10. Schematic Diagram – MAIN (2/3)/
6-6. Schematic Diagram – CD Board – ................................ 21
6-7. Printed Wiring Board – TC Board – .............................. 22
6-8. Schematic Diagram – TC Board – ................................. 23
6-9. Schematic Diagram – MAIN Board (1/3) – ................. 24
6-10. Schematic Diagram – MAIN (2/3)/
LOADING MOTOR/HEADPHONE Boards – ............. 25
6-11. Schematic Diagram – MAIN (3/3)/LCD Boards – ...... 26
6-12. Printed Wiring Boards – MAIN/LCD/
6-12. Printed Wiring Boards – MAIN/LCD/
LOADING MOTOR/HEADPHONE Boards – .............. 27
6-13. Printed Wiring Boards
– SWITCH/I/O SWITCH Boards – ................................ 28
6-14. Schematic Diagram
– SWITCH/I/O SWITCH Boards – ................................ 29
6-15. Printed Wiring Board – POWER Board – ...................... 30
6-16. Schematic Diagram – POWER Board – ......................... 31
6-17. IC Pin Function Description ........................................... 32
6-16. Schematic Diagram – POWER Board – ......................... 31
6-17. IC Pin Function Description ........................................... 32
7.
EXPLODED VIEWS
7-1. Upper Cover, Tape Mech Deck Section ......................... 36
7-2. Front Panel Section ......................................................... 37
7-3. Chassis Section ............................................................... 38
7-4. CD Mechanism Deck (CDM55F-K6BD41A) ................ 39
7-5. Base Unit (BU-K6BD41A) ............................................. 40
7-2. Front Panel Section ......................................................... 37
7-3. Chassis Section ............................................................... 38
7-4. CD Mechanism Deck (CDM55F-K6BD41A) ................ 39
7-5. Base Unit (BU-K6BD41A) ............................................. 40
8.
ELECTRICAL PARTS LIST
............................... 41
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.
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