2
Flexible Circuit Board Repairing
•
Keep the temperature of the soldering iron around 270°C during
repairing.
•
Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
or unsoldering.
Notes on Chip Component Replacement
•
Never reuse a disconnected chip component.
•
Notice that the minus side of a tantalum capacitor may be
damaged by heat.
TABLE OF CONTENTS
1. SERVICE NOTE
................................................................. 3
2. GENERAL
Getting Started ......................................................................... 4
3. DISASSEMBLY
3-1. Lid Sub Assy, Upper ........................................................... 6
3-2. Cabinet (Front) Assy ........................................................... 6
3-3. Main Board, MD Assy ........................................................ 7
3-4. Optical Pick-up, Motor ....................................................... 7
4. ELECTRICAL ADJUSTMENTS
4-1. Precautions for Check ......................................................... 8
4-2. Focus Bias Check ................................................................ 8
5. DIAGRAMS
5-1. IC Pin Descriptions ............................................................. 9
5-2. Block Diagram –CD Section– ........................................... 15
5-3. Block Diagram –Video Section– ....................................... 16
5-4. Block Diagram –Audio Section– ...................................... 17
5-5. Block Diagram –Power Supply Section– .......................... 18
5-6. Printed Wiring Boards –Main Section– ............................ 20
5-7. Schematic Diagram –Main Section (1/3)– ........................ 22
5-8. Schematic Diagram –Main Section (2/3)– ........................ 23
5-9. Schematic Diagram –Main Section (3/3)– ........................ 24
5-10. IC Block Diagrams ............................................................ 25
6. EXPLODED VIEWS
6-1. Cabinet (Front) Section ..................................................... 28
6-2. Cabinet (Rear) Section ...................................................... 29
6-3. CD Mechanism Deck Section (CDM-3123EBA) ............. 30
6-4. Stand (Set) Section ............................................................ 31
7. ELECTRICAL PARTS LIST
......................................... 32
D-VE45
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 PUBLISHED BY SONY.
www. xiaoyu163. com
QQ 376315150
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TEL 13942296513 QQ 376315150 892498299
