Table Of Contents - Sony CDX-CA900 Service Manual

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1. GENERAL
Location of controls (US, Canadian Model) ........................... 4
Location of controls (E Model) ............................................... 4
Connections (US, Canadian Model) ........................................ 5
Connections (E Model) ........................................................... 6
2. DISASSEMBLY
2-1. Sub Panel Assy .................................................................... 7
2-2. CD Mechanism Block ......................................................... 8
2-3. Main Board ......................................................................... 8
2-4. Heat Sink ............................................................................. 9
2-5. Chassis (T.U) Assy .............................................................. 9
2-6. Disc In Board .................................................................... 10
2-7. Servo Board ....................................................................... 10
2-8. Shaft Roller Assy, Load Board .......................................... 11
2-9. Floating Block Assy .......................................................... 11
2-10. Optical Pick-up Block ....................................................... 12
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L 13942296513
EXTENSION CABLE AND SERVICE POSITION
When repairing or servicing this set, connect the jig (extension cable)
as shown below.
• Connect the MAIN board (CN401) and the SERVO board (CN1)
with the extension cable (Part No. J-2502-062-1).
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TABLE OF CONTENTS

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3. DIAGRAMS
3-1. IC Pin Descriptions ........................................................... 13
3-2. Circuit Boards Location .................................................... 18
3-3. Block Diagram -CD Section- ........................................... 19
3-4. Block Diagram -Tuner Section- ....................................... 20
3-5. Block Diagram -Display Section- .................................... 21
3-6. Printed Wiring Boards -CD Mechanism Section- ............ 22
3-7. Schematic Diagram -CD Mechanism Section- ................ 24
3-8. Schematic Diagram -Main Section (1/4)- ........................ 25
3-9. Schematic Diagram -Main Section (2/4)- ........................ 26
3-10. Schematic Diagram -Main Section (3/4)- ........................ 27
3-11. Schematic Diagram -Main Section (4/4)- ........................ 28
3-12. Printed Wiring Board -Relay Section- ............................. 29
3-13. Printed Wiring Board -Main Section- .............................. 30
3-14. Printed Wiring Board -Key Section- ................................ 32
3-15. Schematic Diagram -Key Section- ................................... 33
4. EXPLODED VIEWS
4-1. Chassis Section ................................................................. 37
4-2. Main Board Section .......................................................... 38
4-3. Front panel Section ........................................................... 39
4-4. CD Mechanism Section (1) ............................................... 40
4-5. CD Mechanism Section (2) ............................................... 41
4-6. CD Mechanism Section (3) ............................................... 42
5. ELECTRICAL PARTS LIST
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SERVO BOARD CN1
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