3
HCD-VX222
TABLE OF CONTENTS
1. SERVICE NOTE
.............................................................. 4
2. GENERAL
......................................................................... 5
3. DISASSEMBY
................................................................. 7
4. TEST MODE
................................................................... 13
5. ELECTRICAL ADJUSTMENTS
.............................. 17
6. DIAGRAMS
6-1.Circuit Board Location .................................................. 21
6-2.Block Diagrams –Tuner Section– ................................. 22
Block Diagrams –Main Section– ................................. 23
Block Diagrams –Video Section– ................................ 24
6-3.Printed Wiring Board –Driver Section– ........................ 25
6-4.Schematic Diagram –Driver Section– .......................... 25
6-5.Printed Wiring Board –BD Section– ............................ 26
6-6.Schematic Diagram –BD Section – .............................. 27
6-7.Printed Wiring Board –Main Section– .......................... 28
6-8.Schematic Diagram –Main Section (1/5) – ................... 29
6-9.Schematic Diagram –Main Section (2/5) – ................... 30
6-10. Schematic Diagram –Main Section (3/5) – ................ 31
6-11. Schematic Diagram –Main Section (4/5) – ................ 32
6-12. Schematic Diagram –Main Section (5/5) – ................ 33
6-13. Printed Wiring Board –Power AMP Section– ........... 34
6-14. Schematic Diagram –Power AMP Section– .............. 35
6-15. Printed Wiring Board –Panel Section– ...................... 36
6-16. Schematic Diagram –Panel Section– ......................... 37
6-17. Printed Wiring Board –Trans Section– ...................... 38
6-18. Schematic Diagram –Trans Section– ......................... 39
6-19. Printed Wiring Board –Video CD Section– ............... 40
6-20. Schematic Diagram –Video CD Section (1/2) – ........ 41
6-21. Schematic Diagram –Video CD Section (2/2) – ........ 42
6-22. IC Pin Function Description ....................................... 43
6-23. IC Block Diagrams ..................................................... 48
7. EXPLODED VIEWS
7-1.Main Section .................................................................. 52
7-2.Front Panel Section ........................................................ 53
7-3.Chassis Section .............................................................. 54
7-4.CD Mechanism Deck Section ........................................ 55
8. ELECTRICAL PARTS LIST
...................................... 56