3
CMT-A50/A70
TABLE OF CONTENTS
1.
SERVICING NOTES
...............................................
4
2.
GENERAL
...................................................................
6
3.
DISASSEMBLY
3-1.
Disassembly Flow ...........................................................
9
3-2.
Cabinet Rear .................................................................... 10
3-3.
CD Door .......................................................................... 10
3-4.
CD Mechanism Deck (FLM-A50) .................................. 11
3-5.
SUB Board ...................................................................... 11
3-6.
Top Case Assy ................................................................. 12
3-7.
MAIN Board .................................................................... 12
3-8.
CD Board ......................................................................... 13
3-9.
Tray .................................................................................. 13
3-10. Optical Pick-up Block
(KSM-213CCP or KSM-213RCP) .................................. 14
3-11. Optical Pick-up (KSS-213C) ........................................... 14
3-12. Optical Pick-up (KSS-213R) ........................................... 15
3-13. Tape Mechanism Deck (CMAL1Z252A) ........................ 15
4.
TEST MODE
.............................................................. 16
5.
ELECTRICAL ADJUSTMENTS
Deck Section .................................................................... 18
CD Section ...................................................................... 19
6.
DIAGRAMS
6-1.
Block Diagram – SERVO Section – ............................... 20
6-2.
Block Diagram – MAIN Section – ................................. 21
6-3.
Block Diagram
– PANEL, POWER SUPPLY Section – .......................... 22
6-4.
Printed Wiring Board – CD Board – .............................. 24
6-5.
Schematic Diagram – CD Board – ................................. 25
6-6.
Printed Wiring Board
– MAIN Board (Component Side) – ............................... 26
6-7.
Printed Wiring Board
– MAIN Board (Conductor Side) – ................................. 27
6-8.
Schematic Diagram – MAIN Board (1/2) – ................... 28
6-9.
Schematic Diagram – MAIN Board (2/2) – ................... 29
6-10. Printed Wiring Boards – REGULATOR Section – ........ 30
6-11. Schematic Diagram – REGULATOR Section – ............. 31
6-12. Printed Wiring Boards – PANEL, MOTOR Section – ... 32
6-13. Schematic Diagram – PANEL, MOTOR Section – ........ 33
6-14. Printed Wiring Boards
– AMP, POWER SUPPLY Section (CMT-A50 only) – .. 34
6-15. Schematic Diagram
– AMP, POWER SUPPLY Section (CMT-A50 only) – .. 35
6-16. Printed Wiring Boards
– AMP Section (CMT-A70 only) – ................................. 36
6-17. Schematic Diagram
– AMP Section (CMT-A70 only) – ................................. 37
6-18. Printed Wiring Board
– POWER SUPPLY Section (CMT-A70 only) – ............ 38
6-19. Schematic Diagram
– POWER SUPPLY Section (CMT-A70 only) – ............ 39
7.
EXPLODED VIEWS
7-1.
Overall Section ................................................................ 50
7-2.
Front Panel Section ......................................................... 51
7-3.
Top Case Section ............................................................. 52
7-4.
CD Mechanism Deck Section (FLM-A50) ..................... 53
7-5.
Optical Pick-up Section (KSM-213CCP) ........................ 54
7-6.
Optical Pick-up Section (KSM-213RCP) ........................ 55
7-7.
Speaker (Left) Section (A50) .......................................... 56
7-8.
Speaker (Right) Section (A50) ........................................ 57
7-9.
Speaker (Left) Section (A70) .......................................... 58
7-10. Speaker (Right) Section (A70) ........................................ 59
8.
ELECTRICAL PARTS LIST
................................ 60
Ver. 1.2
