Table Of Contents - Sony CMT-HX3 Service Manual

1. SERVICING NOTES
2. GENERAL
................................................................... 5
3. DISASSEMBLY
3-1. Disassembly Flow ........................................................... 9
3-2. Panel (Top) ...................................................................... 10
3-3. Front Panel Block ............................................................ 10
3-4. MAIN Board (HX3/HX5) ............................................... 11
3-5. MAIN Board/XM Board (HX7) ...................................... 11
3-6. Switching Power Board/Sub Power Board ...................... 12
3-7. D. C. FAN (50 Square) (HX5: Singapore model) ........... 12
3-8. Loading Mechanism Block ............................................. 13
3-9. Base Unit ......................................................................... 13
3-10. BELT ............................................................................... 14
3-11. OP Base Assy (KSM-213D) ............................................ 14
4. TEST MODE
.............................................................. 15
5. ELECTRICAL CHECKS
6. DIAGRAMS
6-1. Block Diagram - CD SERVO Section - ......................... 18
6-2. Block Diagram
- TUNER/USB/BLUETOOTH Section - ....................... 19
6-3. Block Diagram - MAIN Section - .................................. 20
6-4. Block Diagram - AMP Section - .................................... 21
6-5. Block Diagram
- PANEL/POWER SUPPLY Section - ........................... 22
6-6. Printed Wiring Boards - CD Section - ........................... 24
6-7. Schematic Diagram - CD Section - ............................... 25
6-8. Printed Wiring Boards - USB Section (HX3/HX5) - ..... 26
6-9. Schematic Diagram - USB Section (HX3/HX5) - ......... 27
6-10. Printed Wiring Boards
- BLUETOOTH Section (HX5/HX7) - .......................... 28

TABLE OF CONTENTS

............................................... 4
........................................ 17
6-11. Schematic Diagram
- BLUETOOTH Section (HX5/HX7) - .......................... 29
6-12. Printed Wiring Boards - XM Section (HX7) - ............... 30
6-13. Schematic Diagram - XM Section (HX7) - ................... 31
6-14. Printed Wiring Board - MAIN Section - ........................ 32
6-15. Schematic Diagram - MAIN Section (1/3) - .................. 33
6-16. Schematic Diagram - MAIN Section (2/3) - .................. 34
6-17. Schematic Diagram - MAIN Section (3/3) - .................. 35
6-18. Printed Wiring Board - AMP Section (HX3/HX7) - ...... 36
6-19. Schematic Diagram - AMP Section (HX3/HX7) - ......... 37
6-20. Printed Wiring Board - AMP Section (HX5) - ............... 38
6-21. Schematic Diagram - AMP Section (HX5) - ................. 39
6-22. Printed Wiring Boards - OUTPUT Section - ................. 40
6-23. Schematic Diagram - OUTPUT Section - ...................... 40
6-24. Printed Wiring Boards - PANEL Section - ..................... 42
6-25. Schematic Diagram - PANEL Section - ......................... 43
6-26. Printed Wiring Boards - POWER SUPPLY Section - .... 44
6-27. Schematic Diagram - POWER SUPPLY Section - ........ 45
7. EXPLODED VIEWS
7-1. Panel Section ................................................................... 64
7-2. Chassis (Top) Section ...................................................... 65
7-3. Panel Key Section ............................................................ 66
7-4. Front Panel Section ......................................................... 67
7-5. MAIN Section ................................................................. 68
7-6. Chassis Section ................................................................ 69
7-7. Loading Mechanism Section ........................................... 70
7-8. Base Unit Section (BU-K6BD90-WOD: HX7)
(BU-K6BD90U-WOD: HX3/HX5) ................................ 71
8. ELECTRICAL PARTS LIST
Refer to SUPPLEMENT-1 for the SWITCHING POWER and USB
POWER boards of printed wiring board, schematic diagram and
electrical parts list of HX5: Singapore model.
When repairing the set of except HX5: Singapore model, refer to
either of original service manual/SUPPLEMENT-1 according to
the set.
Refer to SUPPLEMENT-2 for the MAIN board of printed wiring
board, schematic diagram and electrical parts list of HX5:
Singapore model.
When repairing the set of except HX5: Singapore model, refer to
either of original service manual/SUPPLEMENT-1 according to
the set.
HCD-HX3/HX5/HX7
Ver. 1.2
................................ 72
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