Read Sony CDC-X237 / CDC-X437 Service Manual online
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TABLE OF CONTENTS
1. GENERAL
Connections ............................................................................. 4
2. DISASSEMBLY
2-1. Sub Panel Assy .................................................................... 6
2-2. CD Mechanism Block ......................................................... 6
2-3. Main Board Section ............................................................ 7
2-4. Main Board ......................................................................... 7
2-5. Heat Sink (CT) .................................................................... 8
2-6. Sub Board ............................................................................ 8
2-7. Servo Board ......................................................................... 9
2-8. Floating Block Assy ............................................................ 9
2-9. Lever Assy (CD Up Holder) .............................................. 10
2-10. Lever (CD Roller) Sub Assy ............................................. 10
2-11. Lever Assy (CD Holder) ................................................... 11
2-12. Motor (Sled) Sub Assy ...................................................... 11
2-13. Pick-up Sub Assy .............................................................. 12
2-2. CD Mechanism Block ......................................................... 6
2-3. Main Board Section ............................................................ 7
2-4. Main Board ......................................................................... 7
2-5. Heat Sink (CT) .................................................................... 8
2-6. Sub Board ............................................................................ 8
2-7. Servo Board ......................................................................... 9
2-8. Floating Block Assy ............................................................ 9
2-9. Lever Assy (CD Up Holder) .............................................. 10
2-10. Lever (CD Roller) Sub Assy ............................................. 10
2-11. Lever Assy (CD Holder) ................................................... 11
2-12. Motor (Sled) Sub Assy ...................................................... 11
2-13. Pick-up Sub Assy .............................................................. 12
3. DIAGRAMS
3-1. IC Pin Descriptions ........................................................... 13
3-2. Block Diagram –CD Section– ........................................... 17
3-3. Block Diagram –Main Section– ........................................ 18
3-4. Block Diagram –Front Section– ........................................ 19
3-5. Circuit Boards Location .................................................... 19
3-6. Printed Wiring Boards –CD Mechanism Section– ............ 20
3-7. Schematic Diagram –CD Mechanism Section– ................ 22
3-8. Printed Wiring Board –Main Section– .............................. 23
3-9. Schematic Diagram –Main Section (1/2)– ........................ 24
3-10. Schematic Diagram –Main Section (2/2)– ........................ 25
3-11. Printed Wiring Boards –Front Section– ............................ 26
3-12. Schematic Diagram –Front Section– ................................ 27
3-13. IC Block Diagrams ............................................................ 28
3-2. Block Diagram –CD Section– ........................................... 17
3-3. Block Diagram –Main Section– ........................................ 18
3-4. Block Diagram –Front Section– ........................................ 19
3-5. Circuit Boards Location .................................................... 19
3-6. Printed Wiring Boards –CD Mechanism Section– ............ 20
3-7. Schematic Diagram –CD Mechanism Section– ................ 22
3-8. Printed Wiring Board –Main Section– .............................. 23
3-9. Schematic Diagram –Main Section (1/2)– ........................ 24
3-10. Schematic Diagram –Main Section (2/2)– ........................ 25
3-11. Printed Wiring Boards –Front Section– ............................ 26
3-12. Schematic Diagram –Front Section– ................................ 27
3-13. IC Block Diagrams ............................................................ 28
4. EXPLODED VIEWS
4-1. Chassis Section ................................................................. 30
4-2. Front panel Section ........................................................... 31
4-3. CD Mechanism Section (1) ............................................... 32
4-4. CD Mechanism Section (2) ............................................... 33
4-2. Front panel Section ........................................................... 31
4-3. CD Mechanism Section (1) ............................................... 32
4-4. CD Mechanism Section (2) ............................................... 33
5. ELECTRICAL PARTS LIST
........................................ 34
CDC-X237/X437
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