HCD-RG444 - Sony Audio Service Manual (repair manual). Page 3

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3-1. Cover (Top) ··································································· 8
3-2. CD Door ········································································ 8
3-3. Front Panel Section ······················································· 9
3-4. CD Mechanism Deck (CDM74-F1BD81) ···················· 9
3-5. Tape Mechanism Deck, Game Jack Board ·················· 10
3-6. PANEL Board ······························································ 10
3-7. Back Panel Section, SUB-TRANS Board ··················· 11
3-8. Power  Transformer ····················································· 11
3-9. MAIN Board ······························································· 12
3-10. SUB-WOOFER Board ················································ 12
3-11. AMP Board ································································· 13
3-12. BD81A Board ······························································ 13
3-13. CONNECT Board ······················································· 14
3-14. DRIVER Board, SW Board ········································· 14
3-15. Optical Pick-up (KSM-215DCP/C2NP) ····················· 15
3-16. SENSOR Board ··························································· 15
3-17. MOTOR (TB) Board ··················································· 16
3-18. MOTOR (LD) Board ··················································· 16

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7-1. Block Diagrams  – PANEL Section – ························· 26

– MAIN Section – ······················································· 27
– BD/DRIVER Section – ············································ 28
– SUB-WOOFER Section – ········································ 29

7-2. Printed Wiring Board  – BD81A Section – ················· 30
7-3. Schematic Diagram  – BD81A Section – ···················· 31
7-4. Printed Wiring Board

– CD MECHANISM Section – ··································· 32

7-5. Schematic Diagram  – CD MECHANISM Section – ····· 33
7-6. Printed Wiring Board  – MAIN Section – ··················· 34
7-7. Schematic Diagram  – MAIN Section (1/2) – ············· 35
7-8. Schematic Diagram  – MAIN Section (2/2) – ············· 36
7-9. Printed Wiring Board  – PANEL COMB Section – ···· 37
7-10. Schematic Diagram  – PANEL COMB Section – ······· 38
7-11. Printed Wiring Board  – SUB-WOOFER Section – ···· 39
7-12. Schematic Diagram  – SUB-WOOFER Section – ······ 40
7-13. Printed Wiring Board  – PANEL Section – ················· 41
7-14. Schematic Diagram  – PANEL Section (1/2) – ··········· 42
7-15. Schematic Diagram  – PANEL Section (2/2) – ··········· 43
7-16. Printed Wiring Board  – TRANS Section – ················· 44
7-17. Printed Wiring Board  – AMP Section – ····················· 45
7-18. Schematic Diagram  – AMP POWER Section – ········· 46

8-1. MAIN Section ····························································· 55
8-2. Front Panel Section ····················································· 56
8-3. MAIN Board Section ·················································· 57
8-4. CD Mechanism Deck Section -1 (CDM74-F1BD81) ···· 58
8-5. CD Mechanism Deck Section -2 (CDM74-F1BD81) ···· 59

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