HCD-NE5
3
TABLE OF CONTENTS
1. SERVICING NOTES ................................................ 4
2. GENERAL
Location of Controls ....................................................... 6
3. DISASSEMBLY
3-1. Disassembly Flow ........................................................... 7
3-2. Rear Cabinet.................................................................... 7
3-3. Top Panel Assy ................................................................ 8
3-4. Front Panel Assy ............................................................. 8
3-5. Base Unit (BU-K7BD81B) ............................................. 9
3-6. Mechanical Deck............................................................. 9
3-7. MAIN Board ................................................................... 10
3-8. AMP Board ..................................................................... 10
4. TEST MODE .............................................................. 11
5. ELECTRICAL CHECK .......................................... 11
6. DIAGRAMS
6-1. Block Diagram – CD SERVO Section – ....................... 13
6-2. Block Diagram – MAIN Section – ................................ 14
6-3. Note for Printed Wiring Boards
and Schematic Diagrams ................................................ 15
6-4. Printed Wiring Board – CD Board – ............................. 16
6-5. Schematic Diagram – CD Board – ................................ 17
6-6. Printed Wiring Board – MAIN Board – ........................ 19
6-7. Schematic Diagram – MAIN Board (1/2) – .................. 20
6-8. Schematic Diagram – MAIN Board (2/2) – .................. 21
6-9. Printed Wiring Board – AMP Section – ........................ 22
6-10. Schematic Diagram – AMP Section – ........................... 23
6-11. Printed Wiring Board – CONTROL Board – ................ 24
6-12. Schematic Diagram – CONTROL Board – ................... 25
6-13. Printed Wiring Board – POWER Board – ..................... 26
6-14. Schematic Diagram – POWER Board –........................ 27
7. EXPLODED VIEWS
7-1. Panel Section ................................................................... 33
7-2. Front Panel Assy-1 .......................................................... 34
7-3. Front Panel Assy-2 .......................................................... 35
7-4. Top Panel Assy ................................................................ 36
8. ELECTRICAL PARTS LIST ............................... 37