2
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
0
OR DOTTED
LINE WITH MARK
0
ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.
TABLE OF CONTENTS
1.
SERVICING NOTES
...............................................
3
2.
GENERAL
Location of Controls .......................................................
6
3.
DISASSEMBLY
.........................................................
7
4.
TEST MODE
.............................................................. 14
5.
MECHANICAL ADJUSTMENTS
....................... 15
6.
ELECTRICAL ADJUSTMENTS
TAPE DECK Section ...................................................... 15
CD Section ...................................................................... 18
VIDEO Section ............................................................... 19
7.
DIAGRAMS
7-1. Block Diagram – SERVO Section – .............................. 21
7-2. Block Diagram – AUDIO/VIDEO CD Section – .......... 22
7-3. Block Diagram – TAPE DECK Section – ..................... 23
7-4. Block Diagram – POWER SUPPLY Section – ............. 24
7-5. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 25
7-6. Printed Wiring Board – BD Board – ............................. 26
7-7. Schematic Diagram – BD Board – ................................ 27
7-8. Schematic Diagram – VIDEO Board (1/2) – ................ 28
7-9. Schematic Diagram – VIDEO Board (2/2) – ................ 29
7-10. Printed Wiring Board – VIDEO Board – ....................... 30
7-11. Printed Wiring Boards
– CD MOTOR/SENSOR Section – ................................ 32
7-12. Schematic Diagram
– CD MOTOR/SENSOR Section – ................................ 33
7-13. Printed Wiring Board – AUDIO Board – ...................... 34
7-14. Schematic Diagram – AUDIO Board – ......................... 35
7-15. Printed Wiring Board – LEAF SW Board – .................. 36
7-16. Schematic Diagram – LEAF SW Board – ..................... 36
7-17. Printed Wiring Board – MAIN Board – ........................ 37
7-18. Schematic Diagram – MAIN Board (1/2) – .................. 38
7-19. Schematic Diagram – MAIN Board (2/2) – .................. 39
7-20. Printed Wiring Board – POWER Board – ..................... 40
7-21. Schematic Diagram – POWER Board – ........................ 41
7-22. Printed Wiring Boards – PANEL Section – .................. 42
7-23. Schematic Diagram – PANEL Section – ....................... 43
7-24. IC Pin Function Description ........................................... 48
8.
EXPLODED VIEWS
................................................ 57
9.
ELECTRICAL PARTS LIST
............................... 64
Содержание HTC-NX300
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