Sony HCD-MD373 service manual Ver 1.1, Table Of Contents, Disassembly, Diagrams, Exploded Views

Ver 1.1 2001.06

TABLE OF CONTENTS

1. SERVICING NOTE		6
2. GENERAL		16
3. DISASSEMBLY
3-1.	Case	19
3-2.	Front Panel	20
3-3.	Back Panel	20
3-4. Main Board and Power Transformer		21
3-5.	CD Mechanism Deck	21
3-6. Tray, Gear and Cam		22
3-7.	CD Base Unit	22
3-8. Optical Pick-up Section of CD (KSS-213BA/F-NP)		22
3-9. BD (CD) Board, Spindle Motor (M101) and
	Sled Motor (M102)	23
3-10. MD Mechanism Deck		23
3-11. Slider (Cam)		24
3-12. Base Unit (MBU-5A) and BD (MD) Board		24
3-13. Over Write Head		25
3-14. Optical Pick-up of MD (KMS-260B/J1N)		25
3-15. Spindle Motor (M901) and SLed Motor (M902) (MD) ....		25
4. TEST MODE		26
5. ELECTRICAL ADJUSTMENTS		31
6. DIAGRAMS
6-1.	Circuit Boards Location	40
6-2. Block Diagrams
	• BD (CD) Section	41
	• BD (MD) Section (1/2)	42
	• BD (MD) Section (2/2)	43
	• Main Section	44
6-3. Printed Wiring Board – BD (CD) Section –		46
6-4. Schematic Diagram – BD (CD) Section –		47
6-5. Printed Wiring Board – BD (MD) Section –		48
6-6. Schematic Diagram – BD (MD) Section – (1/2)		49
6-7. Schematic Diagram – BD (MD) Section – (2/2)		50
6-8. Schematic Diagram – SP Section –		51
6-9. Printed Wiring Board – SP Section –		51
6-10. Printed Wiring Board – Main Section –		52
6-11. Schematic Diagram – Main Section – (1/3)		53
6-12. Schematic Diagram – Main Section – (2/3)		54
6-13. Schematic Diagram – Main Section – (3/3)		55
6-14. Schematic Diagram – MD Digital Section –		56
6-15. Printed Wiring Board – MD Digital Section –		57
6-16. Schematic Diagram – AMP Section –		58
6-17. Printed Wiring Board – AMP Section –		59
6-18. Schematic Diagram – Panel Section –		60
6-19. Printed Wiring Board – Panel Section –		61
6-20. Schematic Diagram – Power Section –		62
6-21. Printed Wiring Board – Power Section –		63
6-22. Schematic Diagram – BD Switch Section –		64
6-23. Printed Wiring Board – BD Swtich Section –		64
6-24. Schematic Diagram – Loading Section –		64
6-25. Printed Wiring Board – Loading Section –		64
6-26. IC Block Diagrams		65
6-27. IC Pin Functions		69

7. EXPLODED VIEWS

7-1. Case and Front Panel Section		77
7-2.	Chassis Section	78
7-3. MD Mechanism Section (MDM-5A)		79
7-4. MD Base Unit Section (MBU-5A)		80
7-5. CD Mechanism Section (CDM55A-5SBD32)		81
7-6.	CD Base Unit Section (BU-5SBD32)	82
7-7.	CD Mechanism Section (CDM55C-5BD32)	83
7-8.	CD Base Unit Section (BU-5BD32)	84
8. ELECTRICAL PARTS LIST		85

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