Read Sony DAV-DZ720 / HCD-DZ720 Service Manual online
3
HCD-DZ720
TABLE OF CONTENTS
1.
SERVICING NOTE
...................................................
4
2.
GENERAL
................................................................... 10
3.
DISASSEMBLY
3-1.
Disassembly Flow ........................................................... 13
3-2.
Case, Front Panel Assy .................................................... 14
3-3.
FL Board .......................................................................... 15
3-4.
JACK Board, SW Board .................................................. 15
3-5.
IO-S TERMINAL Board, SPEAKER Board .................. 16
3-6.
MAIN Board .................................................................... 16
3-7.
DMB12 Board ................................................................. 17
3-8.
DC Fan, Tuner Unit ......................................................... 17
3-9.
POWER Board ................................................................ 18
3-10. DVD Mechanism Deck (CDM85-DVBU102) ................ 18
3-11. Tray .................................................................................. 19
3-12. Belt, MS-203 Board ........................................................ 19
3-13. Optical Pick-up (KHM-310CAA) ................................... 20
3-11. Tray .................................................................................. 19
3-12. Belt, MS-203 Board ........................................................ 19
3-13. Optical Pick-up (KHM-310CAA) ................................... 20
4.
TEST MODE
............................................................... 21
5.
ELECTRICAL ADJUSTMENT
............................. 25
6.
DIAGRAMS
6-1.
Block Diagram – RF Section – ....................................... 28
6-2.
Block Diagram – AMP Section – ................................... 29
6-3.
Block Diagram – AUDIO Section – ............................... 30
6-4.
Block Diagram – VIDEO Section – ............................... 31
6-5.
Block Diagram – POWER Section – .............................. 32
6-6.
Printed Wiring Board – DMB12 Board (Side A) – ......... 33
6-7.
Printed Wiring Board – DMB12 Board (Side B) – ......... 34
6-8.
Schematic Diagram – DMB12 Board (1/7) – ................. 35
6-9.
Schematic Diagram – DMB12 Board (2/7) – ................. 36
6-10. Schematic Diagram – DMB12 Board (3/7) – ................. 37
6-11. Schematic Diagram – DMB12 Board (4/7) – ................. 38
6-12. Schematic Diagram – DMB12 Board (5/7) – ................. 39
6-13. Schematic Diagram – DMB12 Board (6/7) – ................. 40
6-14. Schematic Diagram – DMB12 Board (7/7) – ................. 41
6-15. Printed Wiring Board – MAIN Board (Side A) – ............ 42
6-16. Printed Wiring Board – MAIN Board (Side B) – ............ 43
6-17. Schematic Diagram – MAIN Board (1/6) – ................... 44
6-18. Schematic Diagram – MAIN Board (2/6) – ................... 45
6-19. Schematic Diagram – MAIN Board (3/6) – ................... 46
6-20. Schematic Diagram – MAIN Board (4/6) – ................... 47
6-21. Schematic Diagram – MAIN Board (5/6) – ................... 48
6-22. Schematic Diagram – MAIN Board (6/6) – ................... 49
6-23. Printed Wiring Board
6-12. Schematic Diagram – DMB12 Board (5/7) – ................. 39
6-13. Schematic Diagram – DMB12 Board (6/7) – ................. 40
6-14. Schematic Diagram – DMB12 Board (7/7) – ................. 41
6-15. Printed Wiring Board – MAIN Board (Side A) – ............ 42
6-16. Printed Wiring Board – MAIN Board (Side B) – ............ 43
6-17. Schematic Diagram – MAIN Board (1/6) – ................... 44
6-18. Schematic Diagram – MAIN Board (2/6) – ................... 45
6-19. Schematic Diagram – MAIN Board (3/6) – ................... 46
6-20. Schematic Diagram – MAIN Board (4/6) – ................... 47
6-21. Schematic Diagram – MAIN Board (5/6) – ................... 48
6-22. Schematic Diagram – MAIN Board (6/6) – ................... 49
6-23. Printed Wiring Board
– IO-S TERMINAL Board (Side A) – ............................. 50
6-24. Printed Wiring Board
– IO-S TERMINAL Board (Side B) – ............................. 51
6-25. Schematic Diagram – IO-S TERMINAL Board – ......... 52
6-26. Printed Wiring Boards – PANEL Section – ..................... 53
6-27. Schematic Diagram – PANEL Section – ....................... 54
6-28. Printed Wiring Board – SPEAKER Board – ................... 55
6-29. Schematic Diagram – SPEAKER Board – .................... 55
6-30. Printed Wiring Board – MS-203 Board – ........................ 56
6-31. Schematic Diagram – MS-203 Board – ........................ 56
6-32. Printed Wiring Board – POWER Board – ....................... 57
6-33. Schematic Diagram – POWER Board – ........................ 58
6-26. Printed Wiring Boards – PANEL Section – ..................... 53
6-27. Schematic Diagram – PANEL Section – ....................... 54
6-28. Printed Wiring Board – SPEAKER Board – ................... 55
6-29. Schematic Diagram – SPEAKER Board – .................... 55
6-30. Printed Wiring Board – MS-203 Board – ........................ 56
6-31. Schematic Diagram – MS-203 Board – ........................ 56
6-32. Printed Wiring Board – POWER Board – ....................... 57
6-33. Schematic Diagram – POWER Board – ........................ 58
7.
EXPLODED VIEWS
7-1.
Overall Section ................................................................ 71
7-2.
Front Panel Section ......................................................... 72
7-3.
Chassis Section ................................................................ 73
7-4.
DVD Mechanism Deck Section (CDM85-DVBU102) ... 74
8.
ELECTRICAL PARTS LIST
.................................. 75
Click on the first or last page to see other DAV-DZ720 / HCD-DZ720 service manuals if exist.