HCD-ZT4
3
1.
SERVICING NOTES
............................................. 4
2. GENERAL
.................................................................. 8
3. DISASSEMBLY
3-1. Disassembly
Flow
........................................................... 10
3-2. Side-L/R
Case
................................................................. 11
3-3. Top Panel Block .............................................................. 11
3-4. Tape Mechanism Deck .................................................... 12
3-5. Front Panel Block ........................................................... 12
3-6. DC FAN (M102), Back Panel ......................................... 13
3-7. MAIN
Board
................................................................... 13
3-8. CD Mechanism Block ..................................................... 14
3-9. DC Fan (M101), POWERAMP Board ........................... 14
3-10. Base Unit ......................................................................... 15
3-11. OP Base Assy (KSM-213D) ........................................... 15
3-12. Belt (DLM3A) ................................................................ 16
4.
TEST MODE
............................................................ 17
5. MECHANICAL
ADJUSTMENTS
...................... 20
6. ELECTRICAL
ADJUSTMENTS
........................ 21
7. DIAGRAMS
7-1. Block Diagram - CD SERVO, USB Section - ................ 23
7-2. Block Diagram - MAIN Section - ................................... 24
7-3. Block Diagram - AMP Section - ..................................... 25
7-4. Block
Diagram
- PANEL, POWER SUPPLY Section - ........................... 26
7-5. Schematic Diagram - CD Board (1/2) - .......................... 28
7-6. Schematic Diagram - CD Board (2/2) - .......................... 29
7-7. Printed Wiring Board - CD Board - ................................ 30
7-8. Printed Wiring Board - TC Board - ................................. 31
7-9. Schematic Diagram - TC Board - ................................... 31
TABLE OF CONTENTS
7-10. Printed Wiring Board - USB Board - .............................. 32
7-11. Schematic Diagram - USB Board - ................................. 33
7-12. Printed Wiring Board - DMPORT Board - ..................... 34
7-13. Schematic Diagram - DMPORT Board - ........................ 34
7-14. Printed Wiring Board - MAIN Board - ........................... 35
7-15. Schematic Diagram - MAIN Board (1/4) - ..................... 36
7-16. Schematic Diagram - MAIN Board (2/4) - ..................... 37
7-17. Schematic Diagram - MAIN Board (3/4) - ..................... 38
7-18. Schematic Diagram - MAIN Board (4/4) - ..................... 39
7-19. Printed Wiring Board - POWERAMP Board - ............... 40
7-20. Schematic Diagram - POWERAMP Board - .................. 41
7-21. Printed Wiring Boards - JACK Section - ........................ 42
7-22. Schematic Diagram - JACK Section - ............................ 42
7-23. Printed Wiring Boards - REG Section - .......................... 43
7-24. Schematic Diagram - REG Section - .............................. 43
7-25. Printed Wiring Boards - DISPLAY Board - .................... 44
7-26. Schematic Diagram - DISPLAY Board - ........................ 45
7-27. Printed Wiring Boards - PANEL Section - ..................... 46
7-28. Schematic Diagram - PANEL Section - .......................... 47
7-29. Printed Wiring Board - TRANS2 Board - ....................... 48
7-30. Schematic Diagram - TRANS2 Board - ......................... 49
8.
EXPLODED VIEWS
8-1. Case
Section
.................................................................... 58
8-2. Loading Panel Section .................................................... 59
8-3. DISPLAY Board Section ................................................ 60
8-4. Front Panel Section ......................................................... 61
8-5. Meter
Display
Assy
......................................................... 62
8-6. Top Panel Section ........................................................... 63
8-7. Back Panel Section ......................................................... 64
8-8. MAIN Board Section ...................................................... 65
8-9. Chassis
Section
............................................................... 66
8-10. CD Mechanism Section (CDM88A-K6BD93-WOD) .... 67
9.
ELECTRICAL PARTS LIST
.............................. 68
