4
CDX-MP50
TABLE OF CONTENTS
1. GENERAL
Location of Controls................................................................ 5
Connections ............................................................................. 5
2. DISASSEMBLY
2-1. Sub Panel Assy (CD) ........................................................... 7
2-2. CD Mechanism Block ......................................................... 8
2-3. Main Board ......................................................................... 8
2-4. Heat Sink ............................................................................. 9
2-5. Chassis (T) Sub Assy .......................................................... 9
2-6. Lever Section..................................................................... 10
2-7. Servo Board....................................................................... 10
2-8. Shaft Roller Assy, Load Sw Board.................................... 11
2-9. Floating Block Assy .......................................................... 12
2-10. Optical Pick-up Block ....................................................... 12
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 –Main 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 (1/2)– ....... 24
3-8. Schematic Diagram –CD Mechanism Section (2/2)– ....... 25
3-9. Printed Wiring Boards –Main Section– ............................ 26
3-10. Schematic Diagram –Main Section (1/2)– ........................ 27
3-11. Schematic Diagram –Main Section (2/2)– ........................ 28
3-12. Printed Wiring Board –Relay Section– ............................. 29
3-13. Printed Wiring Board –Display Section– .......................... 30
3-14. Schematic Diagram –Display Section–............................. 31
3-15. IC Block Diagrams............................................................ 32
4. EXPLODED VIEWS
4-1. Chassis Section ................................................................. 34
4-2. Front Panel Section ........................................................... 35
4-3. CD Mechanism Section (1) ............................................... 36
4-4. CD Mechanism Section (2) ............................................... 37
4-5. CD Mechanism Section (3) ............................................... 38
5. ELECTRICAL PARTS LIST ........................................ 39
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