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HCD-PX333
TABLE OF CONTENTS
SELF-DIAGNOSIS FUNCTION ..................................... 2
1. SERVICING NOTES ............................................... 7
2. GENERAL ................................................................... 17
3. DISASSEMBLY ......................................................... 19
4. TEST MODE ............................................................... 31
5. ELECTRICAL ADJUSTMENTS
MD Section ..................................................................... 37
CD Section ...................................................................... 48
6. DIAGRAMS
6-1. Block Diagram – MD Servo Section – ........................... 51
– D/A, A/D Converter Section – ..................................... 52
– Main Section ................................................................ 53
– Display, Power Supply Section – ................................ 54
6-2. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 55
6-3. Printed Wiring Board – BD (CD) Board – ..................... 56
6-4. Schematic Diagram – BD (CD) Board – ........................ 57
6-5. Printed Wiring Board – BD (MD) Board – .................... 58
6-6. Schematic Diagram – BD (MD) Board (1/2) – .............. 59
6-7. Schematic Diagram – BD (MD) Board (2/2) – .............. 60
6-8. Printed Wiring Board – MD DIGITAL Section – .......... 61
6-9. Schematic Diagram – MD Digital Section (1/3) –......... 62
6-10. Schematic Diagram – MD Digital Section (2/3) –......... 63
6-11. Schematic Diagram – MD Digital Section (3/3) –......... 64
6-12. Printed Wiring Boards – Main Board – ......................... 65
6-13. Schematic Diagram – Main Board (1/2) – ..................... 66
6-14. Schematic Diagram – Main Board (1/2) – ..................... 67
6-15. Printed Wiring Board – AMP Board – .......................... 68
6-16. Printed Wiring Board – SP Board – .............................. 68
6-17. Schematic Diagram – AMP Board – ............................. 69
6-18. Schematic Diagram – SP Board – .................................. 70
6-19. Printed Wiring Boards – Panel Section1 – .................... 71
6-20. Schematic Diagram – Panel Section1 – ........................ 72
6-21. Printed Wiring Boards – Panel Section2 – .................... 73
6-22. Schematic Diagram – Panel Section2 – ........................ 73
6-23. Printed Wiring Boards – Power Board – ....................... 74
6-24. Schematic Diagram – Power Board – ........................... 75
6-25. IC Block Diagrams .......................................................... 77
6-26. IC Pin Function Description ........................................... 81
7. EXPLODED VIEWS ................................................ 93
8. ELECTRICAL PARTS LIST .............................. 100
MODEL IDENTIFICATION
— Back panel —
Model Part No.
AEP,UK models 4-231-958-1[]
Homg Kong,Malaysia,
Singapore models
4-231-958-2[]
Australian model 4-231-958-3
[]
PART No.