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CX-JT7
3
TABLE OF CONTENTS
1.
SERVICING NOTES
................................................
4
2.
GENERAL
Location of Controls .......................................................
7
3.
DISASSEMBLY
3-1. Disassembly Flow ...........................................................
9
3-2. Case (SIDE-L/R) ............................................................. 10
3-3. Case (Top) ....................................................................... 10
3-4. Tray Panel ........................................................................ 11
3-5. CD Mechanism Deck (CDM74F-K6BD71A) ................ 11
3-6. Front Panel Section ......................................................... 12
3-7. Mechanical Deck ............................................................. 12
3-8. Rear Cabinet Section ...................................................... 13
3-9. MAIN Board ................................................................... 13
3-10. POWER Board ................................................................ 14
3-11. TRANSFORMER Board ................................................ 14
3-12. Table Assy ....................................................................... 15
3-13. Motor (TB) Board ........................................................... 15
3-14. Motor (LD) Board ........................................................... 16
3-15. Base Unit (BU-K6BD71A) ............................................. 16
3-16. Motor Gear Assy (Sled) (M701), BD Board .................. 17
3-17. Optical Pick-up (KSS-213D) .......................................... 17
4.
TEST MODE
.............................................................. 18
5.
ELECTRICAL ADJUSTMENTS
CD Section ...................................................................... 21
6.
DIAGRAMS
6-1. Block Diagram – CD Section – ..................................... 22
6-2. Block Diagram – TUNER/TAPE/PANEL Section – ..... 23
6-3. Block Diagram – AMP/POWER SUPPLY Section – ... 24
6-4. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 25
6-5. Printed Wiring Board – BD Board – ............................. 26
6-6. Schematic Diagram – BD Board – ................................ 27
6-7. Printed Wiring Boards – CHANGER Section – ............ 28
6-8. Schematic Diagram – CHANGER Section – ................ 29
6-9. Schematic Diagram
– MAIN Board (1/4) (Suffix-11) – ................................. 30
6-10. Schematic Diagram
– MAIN Board (2/4) (Suffix-11) – ................................. 31
6-11. Schematic Diagram
– MAIN Board (3/4) (Suffix-11) – ................................. 32
6-12. Schematic Diagram
– MAIN Board (4/4) (Suffix-11) – ................................. 33
6-13. Printed Wiring Board – MAIN Board (Suffix-11) – ..... 34
6-14. Printed Wiring Board – MAIN Board (Suffix-13) – ..... 35
6-15. Schematic Diagram
– MAIN Board (1/4) (Suffix-13) – ................................. 36
6-16. Schematic Diagram
– MAIN Board (2/4) (Suffix-13) – ................................. 37
6-17. Schematic Diagram
– MAIN Board (3/4) (Suffix-13) – ................................. 38
6-18. Schematic Diagram
– MAIN Board (4/4) (Suffix-13) – ................................. 39
6-19. Printed Wiring Boards – CD BUTTON/
HEADPHONE/MICROPHONE Boards – ..................... 40
6-20. Schematic Diagram – CD BUTTON/HEADPHONE/
MICROPHONE Boards – ............................................... 41
6-21. Printed Wiring Board – PANEL Board – ...................... 42
6-22. Schematic Diagram – PANEL Board – ......................... 43
6-23. Schematic Diagram – POWER Board (1/2) – ............... 44
6-24. Schematic Diagram – POWER Board (2/2) – ............... 45
6-25. Printed Wiring Board – POWER Board –
(AEP, UK, CIS models) .................................................. 46
6-26. Printed Wiring Board – POWER Board –
(MX model) ..................................................................... 47
6-27. Printed Wiring Board – POWER Board –
(E51 model) ..................................................................... 48
6-28. Printed Wiring Board – TRANSFORMER Board –
(AEP, UK, CIS models) .................................................. 49
6-29. Printed Wiring Board – TRANSFORMER Board –
(MX model) ..................................................................... 50
6-30. Printed Wiring Board – TRANSFORMER Board –
(E51 model) ..................................................................... 51
6-31. Schematic Diagram – TRANSFORMER Board –
(AEP, UK, CIS, E51 models) .......................................... 52
6-32. Schematic Diagram – TRANSFORMER Board –
(MX model) ..................................................................... 53
6-33. IC Pin Function Description ........................................... 57
7.
EXPLODED VIEWS
7-1. Case Section .................................................................... 63
7-2. Front Panel Section-1 ...................................................... 64
7-3. Front Panel Section-2 ...................................................... 65
7-4. Front Panel Section-3 ...................................................... 66
7-5. Front Panel Section-4 ...................................................... 67
7-6. Chassis Section-1 ............................................................ 68
7-7. Chassis Section-2 ............................................................ 69
7-8. CD Mechanism Deck Section-1
(CDM74F-K6BD71A) .................................................... 70
7-9. CD Mechanism Deck Section-2
(CDM74F-K6BD71A) .................................................... 71
7-10. CD Mechanism Deck Section-3
(CDM74F-K6BD71A) .................................................... 72
7-11. Base Unit Section (BU-K6BD71A) ............................... 73
8.
ELECTRICAL PARTS LIST
............................... 74
• Abbreviation
E51 : Chilean and Peruvian models
MX
: Mexican model
Summary of Contents for CX-JT7
Page 91: ...91 CX JT7 MEMO ...