Read Sony STR-DA1ES / STR-DB780 Service Manual online
4
STR-DA1ES/DB780
1.
SERVICING NOTES
...............................................
5
2.
GENERAL
...................................................................
6
3.
DISASSEMBLY
3-1. Disassembly Flow ...........................................................
7
3-2. Case (414535) .................................................................
8
3-3. S-VIDEO board, VIDEO Board and Tuner ....................
8
3-4. VIDEO.AU Board ...........................................................
9
3-5. DIGITAL Board ..............................................................
9
3-6. MAIN Board ................................................................... 10
4.
TEST MODE
.............................................................. 11
5.
DIAGRAMS
5-1. Block Diagram
– TUNER/VIDEO INPUT Section – .............................. 13
5-2. Block Diagram – AUDIO DSP Section – ...................... 14
5-3. Block Diagram – AUDIO CONTROL Section – .......... 15
5-4. Block Diagram – POWER AMP Section – ................... 16
5-5. Block Diagram
5-3. Block Diagram – AUDIO CONTROL Section – .......... 15
5-4. Block Diagram – POWER AMP Section – ................... 16
5-5. Block Diagram
– DISPLAY/KEY CONTROL Section – ........................ 17
5-6. Block Diagram – POWER SUPPLY Section – ............. 18
5-7. Note for Printed Wiring Boards
5-7. Note for Printed Wiring Boards
and Schematic Diagrams ................................................ 19
5-8. Schematic Diagram – DIGITAL (1/3)/
V-3 OPT Boards – ........................................................... 21
5-9. Schematic Diagram – DIGITAL Board (2/3) – ............. 22
5-10. Schematic Diagram – DIGITAL Board (3/3) – ............. 23
5-11. Printed Wiring Board
5-10. Schematic Diagram – DIGITAL Board (3/3) – ............. 23
5-11. Printed Wiring Board
– DIGITAL Board (Component Side) – ......................... 24
5-12. Printed Wiring Boards
– DIGITAL (Conductor Side)/V-3 OPT Boards – ......... 25
5-13. Printed Wiring Board – VIDEO Board – ....................... 26
5-14. Schematic Diagram – VIDEO Board – ......................... 27
5-15. Printed Wiring Boards
5-14. Schematic Diagram – VIDEO Board – ......................... 27
5-15. Printed Wiring Boards
– S-VIDEO/VIDEO 3/VIDEO.AU Boards – ................. 28
5-16. Schematic Diagram
– S-VIDEO/VIDEO 3/VIDEO.AU Boards – ................. 29
5-17. Printed Wiring Board – MAIN Board – ........................ 30
5-18. Schematic Diagram – MAIN Board (1/3) – .................. 31
5-19. Schematic Diagram – MAIN Board (2/3) – .................. 32
5-20. Schematic Diagram – MAIN Board (3/3) – .................. 33
5-21. Printed Wiring Board – BIAS Board – .......................... 34
5-22. Schematic Diagram – BIAS Board – ............................. 35
5-23. Printed Wiring Boards – H.P/PRE/SPOUT Boards – ... 36
5-24. Schematic Diagram – H.P/PRE/SPOUT Boards – ....... 37
5-25. Printed Wiring Board – DISPLAY Board – .................. 38
5-26. Schematic Diagram – DISPLAY Board – ..................... 39
5-27. Printed Wiring Boards
5-18. Schematic Diagram – MAIN Board (1/3) – .................. 31
5-19. Schematic Diagram – MAIN Board (2/3) – .................. 32
5-20. Schematic Diagram – MAIN Board (3/3) – .................. 33
5-21. Printed Wiring Board – BIAS Board – .......................... 34
5-22. Schematic Diagram – BIAS Board – ............................. 35
5-23. Printed Wiring Boards – H.P/PRE/SPOUT Boards – ... 36
5-24. Schematic Diagram – H.P/PRE/SPOUT Boards – ....... 37
5-25. Printed Wiring Board – DISPLAY Board – .................. 38
5-26. Schematic Diagram – DISPLAY Board – ..................... 39
5-27. Printed Wiring Boards
– KEY/MUTING/POWER Boards – .............................. 40
5-28. Schematic Diagram
– KEY/MUTING/POWER Boards – .............................. 41
5-29. Printed Wiring Boards
– AC/DC 1/DC 2/PR 1/SEC 1 Boards – ......................... 42
5-30. Schematic Diagram
– AC DC 1/DC 2/PR 1/SEC 1 Boards – ......................... 43
5-31. IC Pin Function Description ........................................... 49
6.
EXPLODED VIEWS
6-1. Case Section .................................................................... 55
6-2. Front Panel Section-1 ...................................................... 56
6-3. Front Panel Section-2 ...................................................... 57
6-4. Chassis Section-1 ............................................................ 58
6-5. Chassis Section-2 ............................................................ 59
6-6. Chassis Section-3 ............................................................ 60
6-7. Chassis Section-4 ............................................................ 61
6-8. BIAS Board Section ........................................................ 62
6-9. MAIN Board Section ...................................................... 63
6-10. Foot Section .................................................................... 64
6-2. Front Panel Section-1 ...................................................... 56
6-3. Front Panel Section-2 ...................................................... 57
6-4. Chassis Section-1 ............................................................ 58
6-5. Chassis Section-2 ............................................................ 59
6-6. Chassis Section-3 ............................................................ 60
6-7. Chassis Section-4 ............................................................ 61
6-8. BIAS Board Section ........................................................ 62
6-9. MAIN Board Section ...................................................... 63
6-10. Foot Section .................................................................... 64
7.
ELECTRICAL PARTS LIST
............................... 65
TABLE OF CONTENTS
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