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NOTE FOR THE OPENING OF THE FRONT PANEL
In this set, the front panel is lowered to below the bottom face when
it is opened.
When servicing the set, place it on a stand having a height of about
2 cm.
TEST MODE
1. Turn on the power.
2. Push "4" on the card remote control for 2 sec.
3. Push "5" on the control for 2 sec.
4. Push "1" on the control for 2 sec.
(The TEST MODE is entered.)
5. Push the "OPEN/CLOSE" switch on the control for 2 sec.
6. The front panel detouch position is set.
(No display appears at this time.)
7. Turn off the power and disassemble the set.
2-1. Front Panel Assy (Normal) ............................................... 16
2-2. Front Panel Assy (Inoperative) ......................................... 16
2-3. CD Mechanism Block, Flexible Board ............................. 16
2-4. Sub Panel (CD) Sub Assy ................................................. 17
2-5. Motor Block Assy, Cam (R) Assy ..................................... 17
2-6. Main Board ....................................................................... 18
2-7. Heat Sink ........................................................................... 18
2-8. Chassis (T) Sub Assy ........................................................ 19
2-9. Lever Section .................................................................... 19
2-10. Servo Board ....................................................................... 20
2-11. Shaft Roller Assy ............................................................... 20
2-12. Floating Block Assy .......................................................... 21
2-13. Optical Pick-up Block ....................................................... 21
stand
3-1. Arm (A-L) Assy, Arm (B-L) Assy ..................................... 22
3-2. Cam (L) ............................................................................. 22
3-3. Motor Block ...................................................................... 23
and Arm (B-L) Assy .......................................................... 23
3-5. Arm (A-R) Assy, Arm (B-R) Assy .................................... 24
3-6. Cam (R) ............................................................................. 24
4-1. IC Pin Descriptions ........................................................... 25
4-2. Circuit Boards Location .................................................... 33
4-3. Block Diagram -CD Section- ........................................... 34
4-4. Block Diagram -Tuner Section- ....................................... 35
4-5. Block Diagram -Display Section- .................................... 36
4-9. Printed Wiring Boards -Main Section- ............................ 42
4-10. Schematic Diagram -Main Section (1/4)- ........................ 44
4-11. Schematic Diagram -Main Section (2/4)- ........................ 45
4-12. Schematic Diagram -Main Section (3/4)- ........................ 46
4-13. Schematic Diagram -Main Section (4/4)- ........................ 47
4-15. Schematic Diagram -Sub (CD) Section- .......................... 49
4-16. Printed Wiring Board -Key Section- ................................ 50
4-17. Schematic Diagram -Key Section- .................................. 51
4-18. Printed Wiring Board -Display Section- .......................... 52
4-19. Schematic Diagram -Display Section- ............................. 53
5-1. Chassis Section ................................................................. 56
5-2. Cam Section ...................................................................... 57
5-3. Main Board Section .......................................................... 58
5-4. Front Panel (Key) Assy Section ........................................ 59
5-5. Front Panel (Dspl) Assy Section ....................................... 60
5-6. CD Mechanism Section (1) ............................................... 61
5-7. CD Mechanism Section (2) ............................................... 62
5-8. CD Mechanism Section (3) ............................................... 63
CDX-M620/M670

TABLE OF CONTENTS

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........................................ 64
3

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