Read Sony CMT-EP30 / CMT-EP40 / HCD-EP30 / HCD-EP40 Service Manual online
2
HCD-EP30/EP40
TABLE OF CONTENTS
1.
SERVICING NOTES
................................................
4
2.
GENERAL
...................................................................
5
3.
DISASSEMBLY
3-1. Disassembly Flow ...........................................................
7
3-2. Front Panel Section .........................................................
8
3-3. MAIN Board ...................................................................
8
3-4. CD Cabinet Section .........................................................
9
3-5. CD Mechanism Deck (CS-21SC-1280) .........................
9
3-6. Tape Mechanism Deck (TCM125-2) .............................. 10
3-7. Cassette Lid ..................................................................... 10
3-7. Cassette Lid ..................................................................... 10
4.
MECHANICAL ADJUSTMENTS
....................... 11
5.
ELECTRICAL ADJUSTMENTS
......................... 11
6.
DIAGRAMS
6-1. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 15
6-2. Schematic Diagram – MAIN Board (1/2) – .................. 16
6-3. Schematic Diagram
6-3. Schematic Diagram
– MAIN (2/2)/HEADPHONE Boards – ......................... 17
6-4. Printed Wiring Boards
– MAIN/HEADPHONE Boards – .................................. 18
6-5. Printed Wiring Board – CASSETTE Board – ............... 19
6-6. Schematic Diagram – CASSETTE Board – .................. 19
6-7. Printed Wiring Board – DISPLAY Board – .................. 20
6-8. Schematic Diagram – DISPLAY Board – ..................... 21
6-9. Schematic Diagram – POWER Board – ........................ 22
6-10. Printed Wiring Board – POWER Board – ..................... 23
6-11. IC Pin Function Description ........................................... 25
6-6. Schematic Diagram – CASSETTE Board – .................. 19
6-7. Printed Wiring Board – DISPLAY Board – .................. 20
6-8. Schematic Diagram – DISPLAY Board – ..................... 21
6-9. Schematic Diagram – POWER Board – ........................ 22
6-10. Printed Wiring Board – POWER Board – ..................... 23
6-11. IC Pin Function Description ........................................... 25
7.
EXPLODED VIEWS
7-1. Cabinet Section ............................................................... 26
7-2. Front Panel Section-1 ...................................................... 27
7-3. Front Panel Section-2 ...................................................... 28
7-4. CD Cabinet Section ......................................................... 29
7-2. Front Panel Section-1 ...................................................... 27
7-3. Front Panel Section-2 ...................................................... 28
7-4. CD Cabinet Section ......................................................... 29
8.
ELECTRICAL PARTS LIST
............................... 30
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