![background image](http://html.mh-extra.com/html/sony/hcd-zx50md/hcd-zx50md_service-manual_1329790006.webp)
6
TABLE OF CONTENTS
MODEL IDENTIFICATION
— BACK PANEL —
• Abbreviation
G
: German model
AED
: North European model
MX
: Mexican model
AR
: Argentine model
HK
: Hong Kong model
MY
: Malaysia model
SP
: Singapore model
KR
: Korean model
AUS
: Australian model
MODEL
US model
AEP, UK, G, AED, CIS model
MY, SP model
E model
AR model
HK model
MX model
AUS model
KR model
PARTS No.
4-227-556-0
s
4-227-556-2
s
4-227-556-3
s
4-227-556-4
s
4-227-556-5
s
4-227-556-6
s
4-227-556-7
s
4-227-556-8
s
4-227-556-9
s
Parts No.
1. SERVICING NOTES .............................................
7
2. GENERAL
........................................................................ 15
3. DISASSEMBLY
3-1.
Case .................................................................................. 18
3-2.
Front Panel Section .......................................................... 18
3-3.
MD Mechanism Section
Tape Mechanism Deck Section (TCM-230AWR12) ........ 19
3-4.
Back Panel Section ........................................................... 19
3-5.
MD Mechanism Deck Section (MDM-7B) ...................... 20
3-6.
Main Board, Front AMP Board ........................................ 20
3-7.
CD Base Unit (BU-K4BD40) ........................................... 21
3-8.
CD Mechanism Deck Section (CDM53F-K4BD40) ........ 21
3-9.
Fitting Base (Guide) Assy, Bracket (Chassis) and
Fitting Base (Magnet) Assy .............................................. 22
3-10. Tray (Sub) ......................................................................... 22
3-11. Chassis (Mold B) Section, Stocker Section and
Slider (Selection) ............................................................. 23
3-12. Gears Installation .............................................................. 23
3-13. Slider (Selection) Installation ........................................... 24
3-14. Stocker Section Installation .............................................. 24
3-15. Chassis (Mold B) Section Installation .............................. 25
3-16. BD Board .......................................................................... 25
4. TEST MODE
...................................................................... 26
5. MECHANICAL ADJUSTMENTS
............................... 35
6. ELECTRICAL ADJUSTMENTS
................................. 35
7. DIAGRAMS
7-1. Circuit Boards Location ...................................................... 51
7-2. Block Diagrams
• CD Section ....................................................................... 54
• MD Section ...................................................................... 55
• SYSCON/SERVO Section ............................................... 56
• MAIN Section .................................................................. 57
7-3. Printed Wiring Board – Deck Section – .............................. 58
7-4. Schematic Diagram – Deck Section – ................................ 59
7-5. Printed Wiring Board – CD Section – ................................. 60
7-6. Schematic Diagram – CD Section – ................................... 61
7-7. Printed Wiring Board – MD Section – ................................ 62
7-8. Schematic Diagram – MD (1/2) Section – .......................... 63
7-9. Schematic Diagram – MD (2/2) Section – .......................... 64
7-10. Printed Wiring Board – Main Section – ........................... 65
7-11. Schematic Diagram – Main (1/4) Section – ..................... 66
7-12. Schematic Diagram – Main (2/4) Section – ..................... 67
7-13. Schematic Diagram – Main (3/4) Section – ..................... 68
7-14. Schematic Diagram – Main (4/4) Section – ..................... 69
7-15. Printed Wiring Board – Digital (Side A) Section – .......... 70
7-16. Printed Wiring Board – Digital (Side B) Section – .......... 71
7-17. Schematic Diagram – Digital (1/2) Section – .................. 72
7-18. Schematic Diagram – Digital (2/2) Section – .................. 73
7-19. Printed Wiring Board
– AMP (US, AEP, UK, G, AED, CIS model) Section – .. 74
7-20. Schematic Diagram
– AMP (US, AEP, UK, G, AED, CIS model) Section – .. 75
7-21. Printed Wiring Board – AMP (E, MX, AR, HK,
MY, SP, KR, AUS model) Section – ................................ 76
7-22. Schematic Diagram – AMP (E, MX, AR, HK,
MY, SP, KR, AUS model) Section – ................................ 77
7-23. Printed Wiring Board – Panel Section – ........................... 78
7-24. Schematic Diagram – Panel Section – ............................. 79
7-25. Printed Wiring Board – Switch Section – ........................ 80
7-26. Schematic Diagram – Switch Section – ........................... 81
7-27. Printed Wiring Board – CD Mechanism Section – .......... 82
7-28. Schematic Diagram – CD Mechanism Section – ............. 83
7-29. Printed Wiring Board – Leaf SW Section – ..................... 84
7-30. Schematic Diagram – Leaf SW Section – ........................ 84
7-31. Printed Wiring Board – MIC Section – ............................ 85
7-32. Schematic Diagram – MIC Section – ............................... 85
7-33. Printed Wiring Board – Power Supply (US, AEP, UK,
G, AED, CIS model) Section – ........................................ 86
7-34. Schematic Diagram – Power Supply (US, AEP, UK,
G, AED, CIS model) Section – ........................................ 87
7-35. Printed Wiring Board – Power Supply (E, MX, AR, HK,
MY, SP, KR, AUS model) Section – ................................ 88
7-36. Schematic Diagram – Power Supply (E, MX, AR, HK,
MY, SP, KR, AUS model) Section – ................................ 89
7-37. IC Block Diagrams ........................................................... 90
7-38. IC Pin Functions ............................................................... 94
8. EXPLODED VIEWS
8-1.
Back Panel Section ......................................................... 106
8-2.
Front Panel Section ........................................................ 107
8-3.
Chassis Section ............................................................... 108
8-4.
CD Mechanism Deck Section-1 ..................................... 109
8-5.
CD Mechanism Deck Section-2 ..................................... 110
8-6.
Base Unit Section ........................................................... 111
8-7.
Tape Mechanism Deck Section-1 ................................... 112
8-8.
Tape Mechanism Deck Section-2 ................................... 113
8-9.
MD Mechanism Section-1 .............................................. 114
8-10. MD Mechanism Section-2 .............................................. 115
9. ELECTRICAL PARTS LIST
...................................... 117
Summary of Contents for HCD-ZX50MD
Page 9: ...9 BD CD BOARD To repair the BD CD board remove the bottom plate Bottom view ...
Page 66: ...HCD ZX50MD 66 66 7 11 SCHEMATIC DIAGRAM MAIN 1 4 SECTION See page 65 for Printed WIring Board ...
Page 67: ...HCD ZX50MD 67 67 7 12 SCHEMATIC DIAGRAM MAIN 2 4 SECTION See page 65 for Printed WIring Board ...
Page 75: ...HCD ZX50MD 75 75 7 20 SCHEMATIC DIAGRAM AMP US AEP UK G AED CIS model SECTION ...
Page 77: ...HCD ZX50MD 77 77 7 22 SCHEMATIC DIAGRAM AMP E MX AR HK MY SP KR AUS model SECTION ...
Page 81: ...HCD ZX50MD 81 81 7 26 SCHEMATIC DIAGRAM SWITCH SECTION ...
Page 83: ...HCD ZX50MD 83 83 7 28 SCHEMATIC DIAGRAM CD MECHANISM SECTION 09 Page 68 Page 68 R S ...
Page 116: ...116 MEMO ...