Read Sony STR-DG900 Service Manual online
4
STR-DG900
TABLE OF CONTENTS
1. GENERAL
Description and location of parts ............................................. 5
2. DISASSEMBLY
2-1. Case ..................................................................................... 8
2-2. Front Panel Section ............................................................. 9
2-3. Back Panel Section .............................................................. 9
2-4. DIGITAL Board ................................................................ 10
2-5. MAIN Board Section ........................................................ 10
2-6. STANDBY Board ............................................................. 11
2-2. Front Panel Section ............................................................. 9
2-3. Back Panel Section .............................................................. 9
2-4. DIGITAL Board ................................................................ 10
2-5. MAIN Board Section ........................................................ 10
2-6. STANDBY Board ............................................................. 11
3. TEST MODE
..................................................................... 12
4. DIAGRAMS
4-1. Block Diagram – Tuner/Audio Section – .......................... 13
4-2. Block Diagram – Digital Section – ................................... 14
4-3. Block Diagram – Video Section – ..................................... 15
4-4. Block Diagram – HDMI Section – .................................... 16
4-5. Block Diagram – XM Section – ........................................ 17
4-6. Block Diagram – Key/Display Section – .......................... 18
4-7. Block Diagram – Power Section – .................................... 19
4-8. Circuit Boards Location .................................................... 20
4-9. Printed Wiring Board – Main Section – ............................ 21
4-10. Schematic Diagram – Main Section (1/4) – ...................... 22
4-11. Schematic Diagram – Main Section (2/4) – ...................... 23
4-12. Schematic Diagram – Main Section (3/4) – ...................... 24
4-13. Schematic Diagram – Main Section (4/4) – ...................... 25
4-14. Printed Wiring Board – Digital Section (1/2) – ................ 26
4-15. Printed Wiring Board – Digital Section (2/2) – ................ 27
4-16. Schematic Diagram – Digital Section (1/5) – ................... 28
4-17. Schematic Diagram – Digital Section (2/5) – ................... 29
4-18. Schematic Diagram – Digital Section (3/5) – ................... 30
4-19. Schematic Diagram – Digital Section (4/5) – ................... 31
4-20. Schematic Diagram – Digital Section (5/5) – ................... 32
4-2. Block Diagram – Digital Section – ................................... 14
4-3. Block Diagram – Video Section – ..................................... 15
4-4. Block Diagram – HDMI Section – .................................... 16
4-5. Block Diagram – XM Section – ........................................ 17
4-6. Block Diagram – Key/Display Section – .......................... 18
4-7. Block Diagram – Power Section – .................................... 19
4-8. Circuit Boards Location .................................................... 20
4-9. Printed Wiring Board – Main Section – ............................ 21
4-10. Schematic Diagram – Main Section (1/4) – ...................... 22
4-11. Schematic Diagram – Main Section (2/4) – ...................... 23
4-12. Schematic Diagram – Main Section (3/4) – ...................... 24
4-13. Schematic Diagram – Main Section (4/4) – ...................... 25
4-14. Printed Wiring Board – Digital Section (1/2) – ................ 26
4-15. Printed Wiring Board – Digital Section (2/2) – ................ 27
4-16. Schematic Diagram – Digital Section (1/5) – ................... 28
4-17. Schematic Diagram – Digital Section (2/5) – ................... 29
4-18. Schematic Diagram – Digital Section (3/5) – ................... 30
4-19. Schematic Diagram – Digital Section (4/5) – ................... 31
4-20. Schematic Diagram – Digital Section (5/5) – ................... 32
4-21. Printed Wiring Boards
– Front A/B Speaker Section – .......................................... 33
4-22. Schematic Diagram
– Front A/B Speaker Section – .......................................... 34
4-23. Printed Wiring Board – Video Section (1/2) – .................. 35
4-24. Printed Wiring Board – Video Section (2/2) – .................. 36
4-25. Schematic Diagram – Video Section (1/2) – ..................... 37
4-26. Schematic Diagram – Video Section (2/2) – ..................... 38
4-27. Printed Wiring Board – Video (Audio) Section – ............. 39
4-28. Schematic Diagram – Video (Audio) Section – ................ 39
4-29. Printed Wiring Board – S-video Section – ........................ 40
4-30. Schematic Diagram – S-video Section – ........................... 40
4-31. Printed Wiring Board – HDMI Section (1/2) – ................. 41
4-32. Printed Wiring Boards – HDMI Section (2/2) – ............... 42
4-33. Schematic Diagram – HDMI Section (1/2) – .................... 43
4-34. Schematic Diagram – HDMI Section (2/2) – .................... 44
4-35. Printed Wiring Board – XM Section – .............................. 45
4-36. Schematic Diagram – XM Section – ................................. 46
4-37. Printed Wiring Boards – Panel Section – .......................... 47
4-38. Schematic Diagram – Panel Section – .............................. 48
4-39. Printed Wiring Board – Display Section – ........................ 49
4-40. Schematic Diagram – Display Section – ........................... 50
4-41. Printed Wiring Board – Power Section – .......................... 51
4-42. Schematic Diagram – Power Section – ............................. 52
4-24. Printed Wiring Board – Video Section (2/2) – .................. 36
4-25. Schematic Diagram – Video Section (1/2) – ..................... 37
4-26. Schematic Diagram – Video Section (2/2) – ..................... 38
4-27. Printed Wiring Board – Video (Audio) Section – ............. 39
4-28. Schematic Diagram – Video (Audio) Section – ................ 39
4-29. Printed Wiring Board – S-video Section – ........................ 40
4-30. Schematic Diagram – S-video Section – ........................... 40
4-31. Printed Wiring Board – HDMI Section (1/2) – ................. 41
4-32. Printed Wiring Boards – HDMI Section (2/2) – ............... 42
4-33. Schematic Diagram – HDMI Section (1/2) – .................... 43
4-34. Schematic Diagram – HDMI Section (2/2) – .................... 44
4-35. Printed Wiring Board – XM Section – .............................. 45
4-36. Schematic Diagram – XM Section – ................................. 46
4-37. Printed Wiring Boards – Panel Section – .......................... 47
4-38. Schematic Diagram – Panel Section – .............................. 48
4-39. Printed Wiring Board – Display Section – ........................ 49
4-40. Schematic Diagram – Display Section – ........................... 50
4-41. Printed Wiring Board – Power Section – .......................... 51
4-42. Schematic Diagram – Power Section – ............................. 52
5. EXPLODED VIEWS
5-1. Case Section ...................................................................... 68
5-2. Front Panel Section ........................................................... 69
5-3. Back Panel Section ............................................................ 70
5-4. Chassis Section ................................................................. 71
5-2. Front Panel Section ........................................................... 69
5-3. Back Panel Section ............................................................ 70
5-4. Chassis Section ................................................................. 71
6. ELECTRICAL PARTS LIST
........................................ 72
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