MHC-V73D
4
Sony CONFIDENTIAL
For Authorized Servicer
TABLE OF CONTENTS
1. SERVICING NOTES
............................................. 5
2. DISASSEMBLY
2-1. Disassembly Flow ........................................................... 11
2-2. Side Panel M-L, M-R Section ......................................... 12
2-3. Top-M Panel Section....................................................... 13
2-4. Loading-M Panel Section ............................................... 14
2-5. Rear Panel ST-M Section ................................................ 15
2-6. DAB Assembly_UART (AEP), CDM Section ............... 16
2-7. CDM90-DVBU204//M ................................................... 17
2-8. Service Optical Device (7G), Flexible Flat Cable .......... 18
2-9. SMPS Board ................................................................... 19
2-10. MOTHERBOARD Board ............................................... 20
2-11. Chassis Section, Mid Horn Rear-M Section ................... 21
2-12. Front Panel Section ......................................................... 22
2-13. Front Panel ST-M Section, Front Panel SW Section ...... 23
2-14. Rear Cabinet Section ...................................................... 24
2-15. Loudspeaker (30cm) (Woofer) (SP7) .............................. 25
3. TEST MODE ............................................................ 26
4. ELECTRICAL CHECK ......................................... 27
5. TROUBLESHOOTING .......................................... 28
6. DIAGRAMS
6-1. Block Diagram
- RS SERVO, USB, TOUCH, HDMI Section - .............. 34
6-2. Block Diagram - MAIN Section - ................................... 35
6-3. Block Diagram - AMP Section - ..................................... 36
6-4. Block Diagram
- PANEL, POWER SUPPLY Section - ........................... 37
6-5. Block Diagram - SMPS Section - ................................... 38
6-6. Printed Wiring Board - MOTHERBOARD Board
(Component Side) - ......................................................... 40
6-7. Printed Wiring Board - MOTHERBOARD Board
(Conductor Side) - .......................................................... 41
6-8. Printed Wiring Board
- SENSOR Board (Component Side) - ........................... 42
6-9. Printed Wiring Board
- SENSOR Board (Conductor Side) - ............................. 43
6-10. Printed Wiring Board - SMPS Board - ........................... 44
6-11. Printed Wiring Board - VFD Board - ............................. 45
6-12. Printed Wiring Board - MIC-USB Board - ..................... 46
6-13. Printed Wiring Board - POWER-KEY Board - .............. 47
6-14. Printed Wiring Board
- LED HUB Board (Component Side) - ......................... 48
6-15. Printed Wiring Board
- LED HUB Board (Conductor Side) - ........................... 49
6-16. Printed Wiring Board - DAB Board (AEP) - .................. 50
6-17. Printed Wiring Board - PARTY LED-LR Board - .......... 50
6-18. Printed Wiring Board - EXTENSION Board - ............... 51
6-19. Printed Wiring Board - PARTY RGB-FR Board - .......... 51
6-20. Printed Wiring Board - PARTY RGB-BK Board - ......... 51
6-21. Printed Wiring Board - SW LED-L Board - ................... 52
6-22. Printed Wiring Board - SW LED-R Board - ................... 52
6-23. Printed Wiring Board - IR Board - .................................. 52
6-24. Printed Wiring Board - HORN LED Board - ................. 53
6-25. Printed Wiring Board - NFC Board - .............................. 53
7. EXPLODED VIEWS
7-1. Loading-M Panel Section ............................................... 54
7-2. DAB Assembly_UART (AEP) Section ......................... 55
7-3. SMPS, Motherboard Board Section ................................ 56
7-4. Chassis Section ............................................................... 57
7-5. Mid Horn Rear-M Section .............................................. 58
7-6. Front Panel ST-M Section ............................................... 59
7-7. Front Panel SW Section .................................................. 60
7-8. Loudspeaker Section ....................................................... 61
7-9. Rear Cabinet Section ...................................................... 62
7-10. Side Panel M-L, M-R Section ......................................... 63
7-11. Top-M Panel Section....................................................... 64
7-12. Rear Panel ST-M Section ................................................ 65
7-13. CDM Section .................................................................. 66
7-14. DVD Mechanism Section (CDM90-DVBU204//M) ...... 67
8. ELECTRICAL PARTS LIST .............................. 68
Accessories are listed in the last part of the electrical parts list.
SYSSET
2020/06/1902:21:42(GMT+09:00)