Table Of Contents - Sony CDX-CA730X Service Manual

1. GENERAL
Location of controls ................................................................. 4
Connections ............................................................................. 5
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 .............................................................. 11
2-9. Floating Block Assy .......................................................... 11
2-10. Optical Pick-up Block ....................................................... 12
EXTENSION CABLE AND SERVICE POSITION
When repairing or servicing this set, connect the jig (extension cable)
as shown below.
• Connect the MAIN board (CNP301) and the SERVO board (CN1)
with the extension cable (Part No. J-2502-062-1).

TABLE OF CONTENTS

3. DIAGRAMS
3-1. IC Pin Description ............................................................. 13
3-2. Block Diagram -CD Section- ........................................... 15
3-3. Block Diagram -Tuner Section- ....................................... 16
3-4. Block Diagram -Display Section- .................................... 17
3-5. Circuit Boards Location .................................................... 17
3-6. Printed Wiring Boards -CD Mechanism Section- ............ 18
3-7. Schematic Diagram -CD Mechanism Section- ................ 20
3-8. Schematic Diagram -Main Section (1/3)- ........................ 21
3-9. Schematic Diagram -Main Section (2/3)- ........................ 22
3-10. Schematic Diagram -Main Section (3/3)- ........................ 23
3-11. Printed Wiring Board -Main Section- .............................. 24
3-12. Printed Wiring Board -Relay Section- ............................. 26
3-13. Schematic Diagram -Relay Section- ................................ 27
3-14. Printed Wiring Board -Key Section- ................................ 28
3-15. Schematic Diagram -Key Section- ................................... 29
4. EXPLODED VIEWS
4-1. Chassis Section ................................................................. 33
4-2. Main Board Section .......................................................... 34
4-3. Front panel Section ........................................................... 35
4-4. CD Mechanism Section (1) ............................................... 36
4-5. CD Mechanism Section (2) ............................................... 37
4-6. CD Mechanism Section (3) ............................................... 38
5. ELECTRICAL PARTS LIST
MAIN BOARD CNP301
CDX-CA730X
........................................ 39
SERVO BOARD CN1
3