TABLE OF CONTENTS
1. SERVICE NOTE
1-1. Supplying Power During Servicing ....................................... 3
2. GENERAL
Parts and Controls ...................................................................... 4
3. TEST MODE
3-1. Checking the Items of Test Mode .......................................... 5
4. DISASSEMBLY
4-1. Top Cover .............................................................................. 6
4-2. Front Panel ............................................................................. 6
4-3. Mechanism Deck Section ...................................................... 7
4-4. PC Board Section ................................................................... 7
4-5. Main Board ............................................................................ 8
4-6. Amplifier Board ..................................................................... 8
4-7. Front Board ............................................................................ 9
4-8. Lever ...................................................................................... 9
4-9. Tension Spring ..................................................................... 10
4-10. Housing ................................................................................ 10
4-11. Chassis ................................................................................. 11
4-12. Motor (A)/(B) Assy ............................................................. 11
4-13. Head Plate ............................................................................ 12
4-14. Pinch Roller Assy ................................................................ 12
4-15. Bracket (Head Unit) ............................................................. 13
5. MECHANICAL ADJUSTMENTS
................................. 14
6. ELECTRICAL ADJUSTMENTS
.................................. 14
7. DIAGRAMS
7-1. Printed Wiring Board –Motor Section– ............................... 17
7-2. Schematic Diagram –Motor Section– .................................. 18
7-3. Printed Wiring Boards –Main Section– ............................... 20
7-4. Schematic Diagram –Main Section– ................................... 23
7-5. Printed Wiring Boards –Front Panel Section– ..................... 27
7-6. Schematic Diagram –Front Panel Section– ......................... 29
7-7. IC Pin Description ............................................................... 31
8. EXPLODED VIEWS
8-1. Chassis Section .................................................................... 33
8-2. PC Board Section ................................................................. 34
8-3. TCM Assy Section ............................................................... 35
9. ELECTRICAL PARTS LIST
.......................................... 36
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
!
OR DOTTED LINE
WITH MARK
!
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 PUBLISHED BY SONY.
Notes on Chip Component Replacement
•
Never reuse a disconnected chip component.
•
Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
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TEL 13942296513 QQ 376315150 892498299
