4
CDX-F7700/F7705X
TABLE OF CONTENTS
1. GENERAL
Location of Controls ................................................................ 5
Connections ............................................................................. 7
2. DISASSEMBLY
2-1. Sub Panel Assy (CD) ........................................................... 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
3. DIAGRAMS
3-1. IC Pin Descriptions ........................................................... 14
3-2. Block Diagram –CD Section– ........................................... 20
3-3. Block Diagram –Main Section– ........................................ 21
3-4. Block Diagram –Display Section– .................................... 22
3-5. Note for Printed Wiring Boards and
Schematic Diagrams .......................................................... 23
3-6. Waveforms ......................................................................... 23
3-7. Circuit Boards Location .................................................... 23
3-8. Schematic Diagram –CD Mechanism Section (1/2)– ....... 24
3-9. Schematic Diagram –CD Mechanism Section (2/2)– ....... 25
3-10. Printed Wiring Boards –CD Mechanism Section– ............ 26
3-11. Schematic Diagram –Main Section (1/3)– ........................ 27
3-12. Schematic Diagram –Main Section (2/3)– ........................ 28
3-13. Schematic Diagram –Main Section (3/3)– ........................ 29
3-14. Printed Wiring Boards –Main Section– ............................ 30
3-15. Printed Wiring Board –Sub Section– ................................ 32
3-16. Schematic Diagram –Sub Section– ................................... 33
3-17. Printed Wiring Board –Key Section– ................................ 34
3-18. Schematic Diagram –Key Section– ................................... 35
3-19. IC Block Diagrams ............................................................ 36
4. EXPLODED VIEWS
4-1. Main Section ..................................................................... 38
4-2. Front Panel Section ........................................................... 39
4-3. CD Mechanism Section (1) ............................................... 40
4-4. CD Mechanism Section (2) ............................................... 41
4-5. CD Mechanism Section (3) ............................................... 42
4-6. CD Mechanism Section (4) ............................................... 43
5. ELECTRICAL PARTS LIST
......................................... 44