Table Of Contents - Sony HCD-HPR90 - Receiver Component For Mini Hi-fi Systems Service Manual

TABLE OF CONTENTS

1. SERVICING NOTES
2. GENERAL
................................................................... 5
3. DISASSEMBLY
3-1. Disassembly Flow ........................................................... 7
3-2. Case ................................................................................. 8
3-3. Back Panel ....................................................................... 8
3-4. MAIN Board .................................................................... 9
3-5. AMP Board, POWER Board Section .............................. 9
3-6. Front Panel Section, CD Mechanical (DLM5B) ............. 10
3-7. Belt (DLM3A) ................................................................. 11
3-8. Optical Pick-Up Block .................................................... 11
4. TEST MODE
.............................................................. 12
5. ELECTRICAL CHECK
6. DIAGRAMS
6-1. Block Diagram - CD SERVO Section - ......................... 15
6-2. Block Diagram - MAIN Section - .................................. 16
6-3. Block Diagram - AMP Section - .................................... 17
6-4. Block Diagram
- PANEL, POWER SUPPLY Section - .......................... 18
6-5. Printed Wiring Board - CD Board - ............................... 20
6-6. Schematic Diagram - CD Board - .................................. 21
6-7. Printed Wiring Board - MAIN Board - .......................... 22
6-8. Schematic Diagram - MAIN Section (1/3) - .................. 23
6-9. Schematic Diagram - MAIN Section (2/3) - .................. 24
6-10. Schematic Diagram - MAIN Section (3/3) - .................. 25
6-11. Printed Wiring Boards - XM Section (HPR99XM) - ..... 26
6-12. Schematic Diagram - XM Board (HPR99XM) - ........... 27
6-13. Printed Wiring Board - AMP Board - ............................ 28
6-14. Schematic Diagram - AMP Board - ............................... 29
6-15. Printed Wiring Board - PANEL Board - ........................ 30
6-16. Printed Wiring Boards - FL Section - ............................ 31
6-17. Schematic Diagram - PANEL Section - ......................... 32
6-18. Schematic Diagram - FL Board - ................................... 33
6-19. Printed Wiring Board - POWER Board - ....................... 34
6-20. Schematic Diagram - POWER Board - .......................... 35
7. EXPLODED VIEWS
7-1. Overall Section ................................................................ 52
7-2. Front Panel Section ......................................................... 53
7-3. AMP Board, POWER Board Section .............................. 54
7-4. CD Mechanical Section (DLM5B) .................................. 55
8. ELECTRICAL PARTS LIST
............................................... 4
........................................... 14
................................ 56
HCD-HPR90/HPR99XM
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