CX-JT7, JAX-PK7, JAX-T7 - Sony Audio Service Manual (repair manual). Page 3

3

................................................

4

Location of Controls .......................................................

7

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

.............................................................. 18

CD Section ...................................................................... 21

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

7-1. 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

............................... 74

• Abbreviation

E51 : Chilean and Peruvian models
MX

: Mexican model