Read Sony CDX-C4840R / CDX-C4850R Service Manual online
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TABLE OF CONTENTS
1. GENERAL
Location of controls ................................................................. 4
Getting Started ......................................................................... 4
Setting the clock ...................................................................... 4
CD Player ................................................................................ 4
Radio ....................................................................................... 5
RDS ......................................................................................... 5
Other Functions ....................................................................... 7
CD/MD Unit ............................................................................ 8
Connections ........................................................................... 10
Getting Started ......................................................................... 4
Setting the clock ...................................................................... 4
CD Player ................................................................................ 4
Radio ....................................................................................... 5
RDS ......................................................................................... 5
Other Functions ....................................................................... 7
CD/MD Unit ............................................................................ 8
Connections ........................................................................... 10
2. DISASSEMBLY
2-1. Cover ................................................................................. 12
2-2. Front Panel Assy ............................................................... 12
2-3. Sub Panel (1) Assy ............................................................ 13
2-4. CD Mechanism Block ....................................................... 13
2-5. Main Board ....................................................................... 14
2-6. Heat Sink ........................................................................... 14
2-7. Chassis (T) Sub Assy ........................................................ 15
2-8. Lever Assy ......................................................................... 15
2-9. Servo Board ....................................................................... 16
2-10. Roller Assy ........................................................................ 16
2-11. Chassis (OP) (O/S) Assy ................................................... 17
2-12. Optical Pick-up Block ....................................................... 17
2-2. Front Panel Assy ............................................................... 12
2-3. Sub Panel (1) Assy ............................................................ 13
2-4. CD Mechanism Block ....................................................... 13
2-5. Main Board ....................................................................... 14
2-6. Heat Sink ........................................................................... 14
2-7. Chassis (T) Sub Assy ........................................................ 15
2-8. Lever Assy ......................................................................... 15
2-9. Servo Board ....................................................................... 16
2-10. Roller Assy ........................................................................ 16
2-11. Chassis (OP) (O/S) Assy ................................................... 17
2-12. Optical Pick-up Block ....................................................... 17
3. ELECTRICAL ADJUSTMENTS
Tuner Section ......................................................................... 18
CD Section ............................................................................ 21
CD Section ............................................................................ 21
4. DIAGRAMS
4-1. IC Pin Description ............................................................. 22
4-2. Block Diagram –CD Section– ........................................... 25
4-3. Block Diagram –Tuner Section– ....................................... 27
4-4. Block Diagram –Display Section– .................................... 29
4-5. Circuit Boards Location .................................................... 31
4-6. Printed Wiring Boards –CD Mechanism Section– ............ 33
4-7. Schematic Diagram –CD Mechanism Section– ................ 35
4-8. Printed Wiring Board –Main Section– .............................. 37
4-9. Schematic Diagram –Main Section (1/3)– ........................ 41
4-10. Schematic Diagram –Main Section (2/3)– ........................ 43
4-11. Schematic Diagram –Main Section (3/3)– ........................ 45
4-12. Schematic Diagram –Display Section– ............................. 47
4-13. Printed Wiring Board –Display Section– .......................... 49
4-2. Block Diagram –CD Section– ........................................... 25
4-3. Block Diagram –Tuner Section– ....................................... 27
4-4. Block Diagram –Display Section– .................................... 29
4-5. Circuit Boards Location .................................................... 31
4-6. Printed Wiring Boards –CD Mechanism Section– ............ 33
4-7. Schematic Diagram –CD Mechanism Section– ................ 35
4-8. Printed Wiring Board –Main Section– .............................. 37
4-9. Schematic Diagram –Main Section (1/3)– ........................ 41
4-10. Schematic Diagram –Main Section (2/3)– ........................ 43
4-11. Schematic Diagram –Main Section (3/3)– ........................ 45
4-12. Schematic Diagram –Display Section– ............................. 47
4-13. Printed Wiring Board –Display Section– .......................... 49
5. EXPLODED VIEWS
5-1. Chassis Section ................................................................. 55
5-2. Front Panel Section ........................................................... 56
5-3. CD Mechanism Section (1) ............................................... 57
5-4. CD Mechanism Section (2) ............................................... 58
5-5. CD Mechanism Section (3) ............................................... 59
5-2. Front Panel Section ........................................................... 56
5-3. CD Mechanism Section (1) ............................................... 57
5-4. CD Mechanism Section (2) ............................................... 58
5-5. CD Mechanism Section (3) ............................................... 59
6. ELECTRICAL PARTS LIST
........................................ 60
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