HCD-M700 - Sony Audio Service Manual (repair manual). Page 3

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3-1. Case (R), Case (L), Top Cover Section ······························ 17
3-2. Front Panel Section, Back Panel Section ··························· 17
3-3. VIDEO Board, OPTICAL Board ······································ 18
3-4. SWITCH Board, JACK Board ··········································· 18
3-5. TC Board, Mechanism Deck (CMAL1Z228) ···················· 19
3-6. MAIN Board ······································································ 19
3-7. CONTROL Board ······························································ 20
3-8. POWER Board ··································································· 20
3-9. DIGITAL Board ································································· 21
3-10. MD Mechanism Deck (MDM-7B4M) ······························ 21
3-11. DVD Board ········································································ 22
3-12. DVD Mechanism Deck (CDM55A-DVBU8) ··················· 22
3-13. Holder Assy ······································································· 23
3-14. BD Board ··········································································· 23
3-15. Over Light Head (HR901) ················································· 24
3-16. OP-SUB Assy ···································································· 24
3-17. Loading Motor Assy (M703), Spindle Motor Assy (M701),

Sled Motor Assy (M702) ······················································ 25

3-18. LOADING Board, Motor (LD) Assy (M901) ··················· 25
3-19. RF-240 Board ···································································· 26
3-20. Tray ···················································································· 26
3-21. Optical Pick Up (KHM-240AAA(TYPE A))

(KHM-270AAA(TYPE B)) ···················· 27

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6-1. CIRCUIT BOARDS LOCATION ····································· 54
6-2. Block Diagrams ································································· 55
6-3. Schematic Diagram  – RF-240 Board – ····························· 60
6-4. Printed Wiring Board  – RF-240 Board – ·························· 61
6-5. Schematic Diagram  – BD Board (1/2) – ·························· 62
6-6. Schematic Diagram  – BD Board (2/2) – ·························· 63
6-7. Printed Wiring Board  – BD (SIDE A) Board – ················ 64
6-8. Printed Wiring Board  – BD (SIDE B) Board – ················ 65
6-9. Schematic Diagram  – DVD Board (1/8) – ························ 66

6-10. Schematic Diagram  – DVD Board (2/8) – ························ 67
6-11. Schematic Diagram  – DVD Board (3/8) – ························ 68
6-12. Schematic Diagram  – DVD Board (4/8) – ························ 69
6-13. Schematic Diagram  – DVD Board (5/8) – ························ 70
6-14. Schematic Diagram  – DVD Board (6/8) – ························ 71
6-15. Schematic Diagram  – DVD Board (7/8) – ························ 72
6-16. Schematic Diagram  – DVD Board (8/8) – ························ 73
6-17. Printed Wiring Board  – DVD (SIDE A) Board – ············· 74
6-18. Printed Wiring Board  – DVD (SIDE B) Board – ············· 75
6-19. Schematic Diagram  – DIGITAL Board (1/2) – ················ 76
6-20. Schematic Diagram  – DIGITAL Board (2/2) – ················ 77
6-21. Printed Wiring Board  – DIGITAL (SIDE A) Board – ······ 78
6-22. Printed Wiring Board  – DIGITAL (SIDE B) Board – ······ 79
6-23. Schematic Diagram  – TC Board – ···································· 80
6-24. Printed Wiring Board  – TC Board – ································· 81
6-25. Schematic Diagram  – MAIN Board (1/2) – ····················· 82
6-26. Schematic Diagram  – MAIN Board (2/2) – ····················· 83
6-27. Printed Wiring Board  – MAIN Board – ··························· 84
6-28. IC Block Diagrams ···························································· 85
6-29. Schematic Diagram  – CONTROL Board (1/2) – ············· 88
6-30. Schematic Diagram  – CONTROL Board (2/2) – ············· 89
6-31. Printed Wiring Board  – CONTROL (SIDE A) Board – ··· 90
6-32. Printed Wiring Board  – CONTROL (SIDE B) Board – ··· 91
6-33. Schematic Diagram  – PANEL Section – ·························· 92
6-34. Printed Wiring Board  – PANEL Section – ······················· 93
6-35. Schematic Diagram  – OPTICAL Board – ························ 94
6-36. Printed Wiring Board  – OPTICAL Board – ····················· 95
6-37. Schematic Diagram  – POWER Section – ························· 96
6-38. Printed Wiring Board  – POWER Board – ························ 97
6-39. IC Pin Function Description ·············································· 98

··················································· 106

7-1. Case Section ···································································· 106
7-2. Front Panel Section ·························································· 107
7-3. Top Cover Section ··························································· 108
7-4. Chassis Section-1 ····························································· 109
7-5. Chassis Section-2 ····························································· 110
7-6. DVD Mechanism Deck Section (CDM55A-DVBU8) ···· 111
7-7. MD Mechanism Deck Section-1 (MDM-7B4M) ············ 112
7-8. MD Mechanism Deck Section-2 (MDM-7B4M) ············ 113

··································· 114

SILVER: KHM-240AAA (TYPE A)
BLACK: KHM-270AAA (TYPE B)

optical device