4
TABLE OF CONTENTS
1. GENERAL
Location of controls ................................................................. 5
Connections ............................................................................. 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 .............................................................. 11
2-9. Floating Block Assy .......................................................... 11
2-10. Optical Pick-up Block ....................................................... 12
3. DIAGRAMS
3-1. IC Pin Description ............................................................. 13
3-2. Block Diagram –CD Section– ........................................... 14
3-3. Block Diagram –Tuner Section– ....................................... 15
3-4. Block Diagram –Display Section– .................................... 16
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. Printed Wiring Board –Main Section– .............................. 21
3-9. Schematic Diagram –Main Section (1/2)– ........................ 22
3-10. Schematic Diagram –Main Section (2/2)– ........................ 23
3-11. Printed Wiring Board –Key Section– ................................ 24
3-12. Schematic Diagram –Key Section– ................................... 25
3-13. IC Block Diagrams ............................................................ 26
4. EXPLODED VIEWS
4-1. Chassis Section ................................................................. 29
4-2. Front Panel Section ........................................................... 30
4-3. CD Mechanism Section (1) ............................................... 31
4-4. CD Mechanism Section (2) ............................................... 32
4-5. CD Mechanism Section (3) ............................................... 33
5. ELECTRICAL PARTS LIST
........................................ 34
CDX-L480X