Sony HCD-HPR90 - Receiver Component For Mini Hi-fi Systems, Service Manual

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HCD-HPR90/HPR99XM
TABLE OF CONTENTS
1. SERVICING NOTES
............................................... 4
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
........................................... 14
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
................................ 56