Table Of Contents - Sony HCD-EA20 Service Manual

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1. SERVICING NOTE
2. GENERAL
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3. DISASSEMBLY
3-1. CASE ··········································································· 10
3-2. FRONT PANEL SECTION ········································· 11
3-3. PANEL BOARD, STANDBY BOARD ······················· 11
3-4. UCOM BOARD ··························································· 12
3-5. DMB03 BOARD ·························································· 12
3-6. I/O BOARD ································································· 13
3-7. AMP BOARD, SUB TRANSFORMER BOARD ······· 14
3-8. DVD MECHANISM (CDM77A-DVBU20) ··············· 15
3-9. TRAY (AU) ·································································· 15
3-10. MS-128 BOARD ························································ 16
3-11. BASE UNIT ······························································· 16
3-12. OPTICAL PICK-UP (TDP022W) ····························· 17
4. TEST MODE
5. ELECTRICAL ADJUSTMENT
6. DIAGRAMS
6-1. CIRCUIT BOARDS LOCATION ······························· 27
6-2. BLOCK DIAGRAMS - RF/SERVO SECTION - ······ 29
- VIDEO SECTION - ················································· 30
- AUDIO SECTION - ················································· 31
- AMP SECTION - ····················································· 32
- POWER SUPPLY SECTION - ································ 33
6-3. PRINTED WIRING BOARD - RF SECTION - ········ 34
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6-4. SCHEMATIC DIAGRAM - RF SECTION - ············· 35
6-5. PRINTED WIRING BOARD
- LOADING SECTION - ··········································· 36
6-6. SCHEMATIC DIAGRAM
- LOADING SECTION - ··········································· 36
6-7. PRINTED WIRING BOARD
- DMB SECTION (SIDE A) - ···································· 37
6-8. PRINTED WIRING BOARD
- DMB SECTION (SIDE B) - ···································· 38
6-9. SCHEMATIC DIAGRAM
- DMB SECTION (1/8) - ·········································· 39
6-10. SCHEMATIC DIAGRAM
- DMB SECTION (2/8) - ··········································· 40
6-11. SCHEMATIC DIAGRAM
- DMB SECTION (3/8) - ··········································· 41
6-12. SCHEMATIC DIAGRAM
- DMB SECTION (4/8) - ··········································· 42
6-13. SCHEMATIC DIAGRAM
- DMB SECTION (5/8) - ··········································· 43
6-14. SCHEMATIC DIAGRAM
- DMB SECTION (6/8) - ··········································· 44
6-15. SCHEMATIC DIAGRAM
- DMB SECTION (7/8) - ··········································· 45
6-16. SCHEMATIC DIAGRAM
- DMB SECTION (8/8) - ··········································· 46
6-17. PRINTED WIRING BOARD
- UCOM SECTION - ················································· 47
6-18. SCHEMATIC DIAGRAM
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- UCOM SECTION - ················································· 48
6-19. PRINTED WIRING BOARD
- I/O SECTION - ························································ 49
6-20. SCHEMATIC DIAGRAM
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- I/O SECTION (1/2) - ··············································· 50
6-21. SCHEMATIC DIAGRAM
- I/O SECTION (2/2) - ··············································· 51
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TABLE OF CONTENTS

6-22. PRINTED WIRING BOARD
- AMP/SUB TRANSFORMER SECTION - ············· 52
6-23. SCHEMATIC DIAGRAM
- AMP/SUB TRANSFORMER SECTION (1/2) - ···· 53
6-24. SCHEMATIC DIAGRAM
- AMP/SUB TRANSFORMER SECTION (2/2) - ···· 54
6-25. PRINTED WIRING BOARD
- PANEL SECTION - ················································· 55
6-26. SCHEMATIC DIAGRAM
- PANEL SECTION - ················································· 56
6-27. IC BLOCK DIAGRAMS ············································ 59
6-28. IC PIN FUNCTION DESCRIPTION ························· 68
7. EXPLODED VIEWS
7-1. CASE SECTION ························································· 80
7-2. FRONT PANEL SECTION ········································· 81
7-3. CHASSIS SECTION ··················································· 82
7-4. DVD MECHANISM SECTION
(CDM77A-DVBU20) ·················································· 83
8. ELECTRICAL PARTS LIST
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