BMZ-K33, CX-BK33 - Sony Audio Service Manual (repair manual). Page 4

4

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

5

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

7

3-1.

Disassembly Flow ...........................................................

9

3-2.

Side Panel (L)/(R) ........................................................... 10

3-3.

Top Panel Block .............................................................. 10

3-4.

Front Panel Block ............................................................ 11

3-5.

MAIN Board .................................................................... 11

3-6.

Rear Panel Block ............................................................. 12

3-7.

Tuner (FM/AM) ............................................................... 12

3-8.

SPEAKER Board ............................................................ 13

3-9.

ACDC Board, Power Transformer .................................. 13

3-10. FRONT AMP Board Block ............................................. 14
3-11. CD Mechanism Deck (CDM69BV-30BD64NS) ............ 14
3-12. Base Unit Section (BU-30CBD64NS) ............................ 15
3-13. OP Assy ........................................................................... 15
3-14. SW (1) Board, SW (2) Board, SW (3) Board,

SW (4) Board, Bracket (Top) Assy .................................. 16

3-15. RELAY Board ................................................................. 16
3-16. Motor (Stocker) Assy (Stocker) (M761) ......................... 17
3-17. Motor (Roller) Assy (Roller) (M781) .............................. 17
3-18. Motor (Mode) Assy (Mode) (M771) ............................... 18
3-19. Rubber Roller (Slider) Assy ............................................ 18
3-20. Timing Belt (Front/Rear) ................................................. 19
3-21. Cam (Gear) ...................................................................... 19
3-22. SENSOR Board ............................................................... 20
3-23. Single Cassette Mechanism (CMAL1Z241A) ................ 20

4-1.

How To Install The Cam (Ejact Lock) ............................ 21

4-2.

How To Install The Cam (Gear) ...................................... 21

4-3.

How To Install The Gear (Mode 2) ................................. 22

4-4.

How To Install The Gear (Mode Cam) ............................ 22

4-5.

How To Install The Rotary Encoder (S702),
Gear (Stocker Communication) ....................................... 23

4-6.

How To Install The Cam (Stocker U/D) .......................... 23

4-7.

How To Install The Stocker Assy .................................... 24

4-8.

Phase Adjustment Between Pinions (Slider)
and Slider-1 To 5 (L/R) ................................................... 25

............................................................... 26

DECK Section ................................................................. 28
CD Section ...................................................................... 29

7-1.

Block Diagram  – CD Section – ...................................... 31

7-2.

Block Diagram  – TUNER/TAPE/USB Section – ........... 32

7-3.

Block Diagram  – AMP Section – ................................... 33

7-4.

Block Diagram  – POWER SUPPLY Section – .............. 34

7-5.

Printed Wiring Board  – BD Board – .............................. 36

7-6.

Schematic Diagram  – BD Board – ................................. 37

7-7.

Printed Wirig Boards  – CHANGER Section – ............... 38

7-8.

Schematic Diagram  – CHANGER Section – ................. 39

7-9.

Printed Wiring Board  –DECK Board – .......................... 40

7-10. Schematic Diagram  – DECK Board – ............................ 41
7-11. Schematic Diagram  – MAIN Board (1/4) – ................... 42
7-12. Schematic Diagram  – MAIN Board (2/4) – ................... 43
7-13. Schematic Diagram  – MAIN Board (3/4) – ................... 44
7-14. Schematic Diagram  – MAIN Board (4/4) – ................... 45
7-15. Printed Wiring Board  – MAIN Board – ......................... 46

7-16. Printed Wiring Board  – FRONT AMP Board – ............. 47
7-17. Schematic Diagram  – FRONT AMP Board (1/2) – ....... 48
7-18. Schematic Diagram  – FRONT AMP Board (2/2) – ....... 49
7-19. Printed Wiring Board  – USB Board – ............................ 50
7-20. Schematic Diagram  – USB Board – ............................... 51
7-21. Printed Wiring Board  – MIC Board –

(Chirean and Peruvian models) ....................................... 52

7-22. Schematic Diagram  – MIC Board –

(Chirean and Peruvian models) ....................................... 53

7-23. Printed Wiring Board  – HEADPHONE Board – ........... 54
7-24. Schematic Diagram  – HEADPHONE Board – .............. 54
7-25. Printed Wiring Board  – SPEAKER Board – .................. 55
7-26. Schematica Diagram  – SPEAKER Board – ................... 55
7-27. Printed Wiring Board  – LCD Board – ............................ 56
7-28. Schematic Diagram  – LCD Board – ............................... 57
7-29. Printed Wiring Boards  – KEY Section – ........................ 58
7-30. Schematic Diagram  – KEY Section – ............................ 59
7-31. Printed Wiring Board  – ACDC Board – ......................... 60
7-32. Schematic Diagram  – ACDC Board – ............................ 61
7-33. Printed Wiring Board  – PT85 Board –

(AEP and UK models) ..................................................... 62

7-34. Schematic Diagram  – PT85 Board –

(AEP and UK models) ..................................................... 63

7-35. Printed Wiring Board  – PT96 Board –

(Chirean and Peruvian models) ....................................... 64

7-36. Schematic Diagram  – PT96 Board –

(Chirean and Peruvian models) ....................................... 65

8-1.

Panel Section ................................................................... 78

8-2.

Tape Mechanism Deck Section (CMAL1Z241A) ........... 79

8-3.

Front Boards Section ....................................................... 80

8-4.

Front Cabinet Section ...................................................... 81

8-5.

MAIN Board Section ....................................................... 82

8-6.

Chassis Section ................................................................ 83

8-7.

CD Mechanism Deck Section-1
(CDM69BV-30CBD64NS) ............................................. 84

8-8.

CD Mechanism Deck Section-2
(CDM69BV-30CBD64NS) ............................................. 85

8-9.

CD Mechanism Deck Section-3
(CDM69BV-30CBD64NS) ............................................. 86

8-10. CD Mechanism Deck Section-4

(CDM69BV-30CBD64NS) ............................................. 87

8-11. CD Mechanism Deck Section-5

(CDM69BV-30CBD64NS) ............................................. 88

8-12. CD Mechanism Deck Section-6

(CDM69BV-30CBD64NS) ............................................. 89

8-13. Base Unit Section (BU-30CBD64NS) ............................ 90

................................ 91