Read Sony CDX-R450 / CDX-R550 Service Manual online
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CDX-R450/R550
TABLE OF CONTENTS
1. GENERAL
Location of controls and basic operations ............................... 5
Connections ............................................................................. 6
Connections ............................................................................. 6
2. DISASSEMBLY
2-1. Sub Panel (LCD) Assy ........................................................ 9
2-2. CD Mechanism Block ......................................................... 9
2-3. Main Board ....................................................................... 10
2-4. Chassis (T) Sub Assy ........................................................ 10
2-5. Roller Arm Assy ................................................................ 11
2-6. Chassis (OP) Assy ............................................................. 11
2-7. Optical Pick-up ................................................................. 12
2-8. SL Motor Assy (M902) ..................................................... 12
2-9. LE Motor Assy (M903) ..................................................... 13
2-10. Servo Board ....................................................................... 13
2-11. Front Back Panel (LCD) ................................................... 14
2-12. Base Board ........................................................................ 14
2-13. Display Section ................................................................. 15
2-14. Spring (M) ......................................................................... 15
2-15. Spring (S) .......................................................................... 16
2-2. CD Mechanism Block ......................................................... 9
2-3. Main Board ....................................................................... 10
2-4. Chassis (T) Sub Assy ........................................................ 10
2-5. Roller Arm Assy ................................................................ 11
2-6. Chassis (OP) Assy ............................................................. 11
2-7. Optical Pick-up ................................................................. 12
2-8. SL Motor Assy (M902) ..................................................... 12
2-9. LE Motor Assy (M903) ..................................................... 13
2-10. Servo Board ....................................................................... 13
2-11. Front Back Panel (LCD) ................................................... 14
2-12. Base Board ........................................................................ 14
2-13. Display Section ................................................................. 15
2-14. Spring (M) ......................................................................... 15
2-15. Spring (S) .......................................................................... 16
3. DIAGRAMS
3-1. Block Diagram – CD Section – ......................................... 17
3-2. Block Diagram – Main Section – ...................................... 18
3-3. Block Diagram – Display Section – .................................. 19
3-4. Circuit Boards Location .................................................... 20
3-5. Printed Wiring Boards – CD Mechanism Section – ......... 21
3-6. Schematic Diagram – CD Mechanism Section (1/2) – ..... 22
3-7. Schematic Diagram – CD Mechanism Section (2/2) – ..... 23
3-8. Schematic Diagram – Main Section (1/2) – ...................... 24
3-9. Schematic Diagram – Main Section (2/2) – ...................... 25
3-10. Printed Wiring Board – Main Section – ............................ 26
3-11. Printed Wiring Board – Base Section – ............................ 27
3-12. Schematic Diagram – Base Section – ............................... 28
3-13. Schematic Diagram – Preset Section – ............................. 29
3-14. Printed Wiring Board – Preset Section (R450) – .............. 30
3-15. Printed Wiring Board – Preset Section (R550) – .............. 30
3-16. Printed Wiring Board – Display Section – ........................ 31
3-17. Schematic Diagram – Display Section – ........................... 32
3-2. Block Diagram – Main Section – ...................................... 18
3-3. Block Diagram – Display Section – .................................. 19
3-4. Circuit Boards Location .................................................... 20
3-5. Printed Wiring Boards – CD Mechanism Section – ......... 21
3-6. Schematic Diagram – CD Mechanism Section (1/2) – ..... 22
3-7. Schematic Diagram – CD Mechanism Section (2/2) – ..... 23
3-8. Schematic Diagram – Main Section (1/2) – ...................... 24
3-9. Schematic Diagram – Main Section (2/2) – ...................... 25
3-10. Printed Wiring Board – Main Section – ............................ 26
3-11. Printed Wiring Board – Base Section – ............................ 27
3-12. Schematic Diagram – Base Section – ............................... 28
3-13. Schematic Diagram – Preset Section – ............................. 29
3-14. Printed Wiring Board – Preset Section (R450) – .............. 30
3-15. Printed Wiring Board – Preset Section (R550) – .............. 30
3-16. Printed Wiring Board – Display Section – ........................ 31
3-17. Schematic Diagram – Display Section – ........................... 32
4. EXPLODED VIEWS
4-1. Main Section ..................................................................... 40
4-2. Front Panel Section ........................................................... 41
4-3. CD Mechanism Section (1) (MG-611WA-186//C) ........... 42
4-4. CD Mechanism Section (2) (MG-611WA-186//C) ........... 43
4-5. CD Mechanism Section (3) (MG-611WA-186//C) ........... 44
4-6. CD Mechanism Section (4) (MG-611WA-186//C) ........... 45
4-2. Front Panel Section ........................................................... 41
4-3. CD Mechanism Section (1) (MG-611WA-186//C) ........... 42
4-4. CD Mechanism Section (2) (MG-611WA-186//C) ........... 43
4-5. CD Mechanism Section (3) (MG-611WA-186//C) ........... 44
4-6. CD Mechanism Section (4) (MG-611WA-186//C) ........... 45
5. ELECTRICAL PARTS LIST
........................................ 46
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