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HBD-NF620/NF720
3
1.
SERVICING NOTES
.............................................
4
2. DISASSEMBLY
2-1. Disassembly
Flow
........................................................... 11
2-2. Cover (Top) Block .......................................................... 12
2-3. TOUCH
2-3. TOUCH
Board
................................................................ 13
2-4. Cover (Bottom) Block .................................................... 14
2-5. Shield (Drive) (HBD-NF620) ......................................... 15
2-6. BD Drive (BSX-3) .......................................................... 15
2-7. LED
2-5. Shield (Drive) (HBD-NF620) ......................................... 15
2-6. BD Drive (BSX-3) .......................................................... 15
2-7. LED
Board
...................................................................... 16
2-8. Wireless LAN Card (WLC1) (HBD-NF720).................. 16
2-9. Chassis (Middle) Block .................................................. 17
2-10. Bracket (Drive) ............................................................... 17
2-11. MB-149 Board ................................................................ 18
2-12. Bottom Cover .................................................................. 19
2-13. Optical Pick-up (KEM-480AAA) ................................... 20
2-14. Shield (PS) Block ............................................................ 20
2-15. Switching Regulator (SWR1) ......................................... 21
2-16. Bracket (PS) .................................................................... 22
2-17. Power Cord (AC1) .......................................................... 22
2-18. Heat Sink (AMP) ............................................................ 23
2-19. NX_AMP Board ............................................................. 23
2-20. How to Bend Wire (Flat Type) ........................................ 24
2-9. Chassis (Middle) Block .................................................. 17
2-10. Bracket (Drive) ............................................................... 17
2-11. MB-149 Board ................................................................ 18
2-12. Bottom Cover .................................................................. 19
2-13. Optical Pick-up (KEM-480AAA) ................................... 20
2-14. Shield (PS) Block ............................................................ 20
2-15. Switching Regulator (SWR1) ......................................... 21
2-16. Bracket (PS) .................................................................... 22
2-17. Power Cord (AC1) .......................................................... 22
2-18. Heat Sink (AMP) ............................................................ 23
2-19. NX_AMP Board ............................................................. 23
2-20. How to Bend Wire (Flat Type) ........................................ 24
3.
TEST MODE
............................................................ 25
4.
ELECTRICAL CHECK
......................................... 34
5. DIAGRAMS
5-1. Block Diagram - SERVO Section - ................................ 35
5-2. Block Diagram - MEMORY Section - ............................ 36
5-3. Block Diagram - MAIN Section - ................................... 37
5-4. Block Diagram - AMP Section - ..................................... 38
5-5. Block Diagram - POWER SUPPLY Section - ................ 39
5-2. Block Diagram - MEMORY Section - ............................ 36
5-3. Block Diagram - MAIN Section - ................................... 37
5-4. Block Diagram - AMP Section - ..................................... 38
5-5. Block Diagram - POWER SUPPLY Section - ................ 39
TABLE OF CONTENTS
5-6. Schematic Diagram - MB-149 Board (1/11) - ................ 41
5-7. Schematic Diagram - MB-149 Board (2/11) - ................ 42
5-8. Schematic Diagram - MB-149 Board (3/11) - ................ 43
5-9. Schematic Diagram - MB-149 Board (4/11) - ................ 44
5-10. Schematic Diagram - MB-149 Board (5/11) - ................ 45
5-11. Schematic Diagram - MB-149 Board (6/11) - ................ 46
5-12. Schematic Diagram - MB-149 Board (7/11) - ................ 47
5-13. Schematic Diagram - MB-149 Board (8/11) - ................ 48
5-14. Schematic Diagram - MB-149 Board (9/11) - ................ 49
5-15. Schematic Diagram - MB-149 Board (10/11) - .............. 50
5-16. Schematic Diagram - MB-149 Board (11/11) - .............. 51
5-17. Printed Wiring Board - MB-149 Board (Side A) - .......... 52
5-18. Printed Wiring Board - MB-149 Board (Side B) - .......... 53
5-19. Printed Wiring Board
5-7. Schematic Diagram - MB-149 Board (2/11) - ................ 42
5-8. Schematic Diagram - MB-149 Board (3/11) - ................ 43
5-9. Schematic Diagram - MB-149 Board (4/11) - ................ 44
5-10. Schematic Diagram - MB-149 Board (5/11) - ................ 45
5-11. Schematic Diagram - MB-149 Board (6/11) - ................ 46
5-12. Schematic Diagram - MB-149 Board (7/11) - ................ 47
5-13. Schematic Diagram - MB-149 Board (8/11) - ................ 48
5-14. Schematic Diagram - MB-149 Board (9/11) - ................ 49
5-15. Schematic Diagram - MB-149 Board (10/11) - .............. 50
5-16. Schematic Diagram - MB-149 Board (11/11) - .............. 51
5-17. Printed Wiring Board - MB-149 Board (Side A) - .......... 52
5-18. Printed Wiring Board - MB-149 Board (Side B) - .......... 53
5-19. Printed Wiring Board
- NX_AMP Board (Component Side) - .......................... 54
5-20. Printed Wiring Board
- NX_AMP Board (Conductor Side) - ............................ 55
5-21. Schematic Diagram - NX_AMP Board - ........................ 56
5-22. Printed Wiring Boards - PANEL Section - ..................... 57
5-23. Schematic Diagram - PANEL Section - .......................... 57
5-24. Printed Wiring Board - FL Board - ................................. 58
5-25. Schematic Diagram - FL Board - .................................... 59
5-22. Printed Wiring Boards - PANEL Section - ..................... 57
5-23. Schematic Diagram - PANEL Section - .......................... 57
5-24. Printed Wiring Board - FL Board - ................................. 58
5-25. Schematic Diagram - FL Board - .................................... 59
6.
EXPLODED VIEWS
6-1. Cover (Bottom) Section .................................................. 77
6-2. Cover (Top) Section ........................................................ 78
6-3. LED Board Section ......................................................... 79
6-4. BD Drive Section (BSX-3) ............................................. 80
6-5. FL Board Section ............................................................ 81
6-6. Switching Regulator Section .......................................... 82
6-7. NX_AMP Board Section ................................................ 83
6-8. MB-149 Board Section ................................................... 84
6-2. Cover (Top) Section ........................................................ 78
6-3. LED Board Section ......................................................... 79
6-4. BD Drive Section (BSX-3) ............................................. 80
6-5. FL Board Section ............................................................ 81
6-6. Switching Regulator Section .......................................... 82
6-7. NX_AMP Board Section ................................................ 83
6-8. MB-149 Board Section ................................................... 84
7.
ELECTRICAL PARTS LIST
.............................. 85
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