HCD-HX50BTR/HX70BTR/HX80R/HX90BTR
3
1. SERVICING NOTES ............................................. 4
2. GENERAL .................................................................. 6
3. DISASSEMBLY
3-1. Disassembly Flow ........................................................... 8
3-2. Panel (Top) Block ........................................................... 9
3-3. Panel (Front) Block ......................................................... 9
3-4. Knob Assy ....................................................................... 10
3-5. MAIN Board ................................................................... 10
3-6. Loading Mechanism Block ............................................. 11
3-7. Base Unit (BU-K6BD91UR2-WOD) ............................. 11
3-8. Belt .................................................................................. 12
3-9. Optical Pick-up Block (KSM-213D) .............................. 12
4. TEST MODE ............................................................ 13
5. ELECTRICAL CHECKS ...................................... 15
6. DIAGRAMS
6-1. Block Diagram - CD SERVO Section - .......................... 16
6-2. Block Diagram
- TUNER/USB/BLUETOOTH Section - ........................ 17
6-3. Block Diagram - MAIN Section - ................................... 18
6-4. Block Diagram - AMP Section - ..................................... 19
6-5. Block Diagram - PANEL/POWER SUPPLY - ............... 20
6-6. Printed Wiring Boards - CD Section - ............................ 22
6-7. Schematic Diagram - CD Board - ................................... 23
6-8. Printed Wiring Board - USB Board - .............................. 24
6-9. Schematic Diagram - USB Board - ................................. 25
6-10. Printed Wiring Boards - BLUETOOTH Section
(HX50BTR/HX70BTR/HX90BTR) - ............................. 26
6-11. Schematic Diagram - BLUETOOTH Section
(HX50BTR/HX70BTR/HX90BTR) - ............................. 27
6-12. Printed Wiring Board
- DAB Board (HX80R/HX90BTR) - .............................. 28
6-13. Schematic Diagram
- DAB Board (HX80R/HX90BTR) - .............................. 29
6-14. Printed Wiring Board - MAIN Section - ......................... 30
6-15. Schematic Diagram - MAIN Section (1/3) - ................... 31
6-16. Schematic Diagram - MAIN Section (2/3) - ................... 32
6-17. Schematic Diagram - MAIN Section (3/3) - ................... 33
6-18. Printed Wiring Board
- AMP Board (HX50BTR/HX80R/HX90BTR) - ........... 34
6-19. Schematic Diagram
- AMP Board (HX50BTR/HX80R/HX90BTR) - ........... 35
6-20. Printed Wiring Board - AMP Board (HX70BTR) - ........ 36
6-21. Schematic Diagram - AMP Board (HX70BTR) - ........... 37
6-22. Printed Wiring Boards - INPUT/OUTPUT Section - ..... 38
6-23. Schematic Diagram - INPUT/OUTPUT Section - .......... 39
6-24. Printed Wiring Boards - PANEL Section - ..................... 40
6-25. Schematic Diagram - PANEL Section - .......................... 41
6-26. Printed Wiring Board - SW POWER Board - ................. 42
6-27. Schematic Diagram - SW POWER Board - ................... 43
7. EXPLODED VIEWS
7-1. Panel (Top) Section ......................................................... 57
7-2. Chassis (Top) Section ..................................................... 58
7-3. Panel (Front) Section ...................................................... 59
7-4. Main Section ................................................................... 60
7-5. Chassis Section ............................................................... 61
7-6. Loading Mechanism Section .......................................... 62
7-7. Base Unit Section (BU-K6BD91UR2-WOD) ................ 63
TABLE OF CONTENTS
8. ELECTRICAL PARTS LIST .............................. 64
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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