Read Sony STR-DG720 Service Manual online
STR-DG720
4
1. GENERAL
Description and location of parts (US, Canadian model) ... 5
Description and location of parts (AEP, Thai model) ......... 7
2. DISASSEMBLY
2-1. Case
................................................................................... 10
2-2. Back Panel Section ........................................................... 11
2-3. Front Panel Section ........................................................... 11
2-4. DIGITAL
2-3. Front Panel Section ........................................................... 11
2-4. DIGITAL
Board
................................................................ 12
2-5. MAIN Board Section ........................................................ 12
2-6. STANDBY
2-6. STANDBY
Board
............................................................. 13
3. TEST MODE
.................................................................... 14
4. FM TUNER CHECK
...................................................... 15
5. DIAGRAMS
5-1. Block Diagram – Tuner/Audio Section – ......................... 17
5-2. Block Diagram – Digital Section – ................................... 18
5-3. Block Diagram – Video Section – .................................... 19
5-4. Block Diagram – HDMI RE Section – ............................. 20
5-5. Block Diagram – XM Section (US, Canadian model) – ... 21
5-6. Block Diagram – Key/Display Section – .......................... 22
5-7. Block Diagram – Power Section – .................................... 23
5-8. Printed Wiring Boards – Main Section – .......................... 25
5-9. Schematic Diagram – Main Section (1/3) – ...................... 26
5-10. Schematic Diagram – Main Section (2/3) – ...................... 27
5-11. Schematic Diagram – Main Section (3/3) – ...................... 28
5-12. Printed Wiring Board – Digital Section (1/2) – ................ 29
5-13. Printed Wiring Board – Digital Section (2/2) – ................ 30
5-14. Schematic Diagram – Digital Section (1/3) – ................... 31
5-15. Schematic Diagram – Digital Section (2/3) – ................... 32
5-16. Schematic Diagram – Digital Section (3/3) – ................... 33
5-17. Printed Wiring Boards – Video Section – ......................... 34
5-18. Schematic Diagram – Video Section – ............................. 35
5-19. Printed Wiring Board – HDMI RE Section (1/2) – .......... 36
5-20. Printed Wiring Board – HDMI RE Section (2/2) – .......... 37
5-21. Schematic Diagram – HDMI RE Section (1/2) – ............. 38
5-22. Schematic Diagram – HDMI RE Section (2/2) – ............. 39
5-23. Printed Wiring Board
5-2. Block Diagram – Digital Section – ................................... 18
5-3. Block Diagram – Video Section – .................................... 19
5-4. Block Diagram – HDMI RE Section – ............................. 20
5-5. Block Diagram – XM Section (US, Canadian model) – ... 21
5-6. Block Diagram – Key/Display Section – .......................... 22
5-7. Block Diagram – Power Section – .................................... 23
5-8. Printed Wiring Boards – Main Section – .......................... 25
5-9. Schematic Diagram – Main Section (1/3) – ...................... 26
5-10. Schematic Diagram – Main Section (2/3) – ...................... 27
5-11. Schematic Diagram – Main Section (3/3) – ...................... 28
5-12. Printed Wiring Board – Digital Section (1/2) – ................ 29
5-13. Printed Wiring Board – Digital Section (2/2) – ................ 30
5-14. Schematic Diagram – Digital Section (1/3) – ................... 31
5-15. Schematic Diagram – Digital Section (2/3) – ................... 32
5-16. Schematic Diagram – Digital Section (3/3) – ................... 33
5-17. Printed Wiring Boards – Video Section – ......................... 34
5-18. Schematic Diagram – Video Section – ............................. 35
5-19. Printed Wiring Board – HDMI RE Section (1/2) – .......... 36
5-20. Printed Wiring Board – HDMI RE Section (2/2) – .......... 37
5-21. Schematic Diagram – HDMI RE Section (1/2) – ............. 38
5-22. Schematic Diagram – HDMI RE Section (2/2) – ............. 39
5-23. Printed Wiring Board
– XM Section (US, Canadian model) – ............................ 40
5-24. Schematic Diagram
– XM Section (US, Canadian model) – ............................ 41
5-25. Printed Wiring Boards – DCAC, Power Section – ........... 42
5-26. Schematic Diagram – DCAC, Power Section – ............... 42
5-27. Printed Wiring Board – Display Section – ........................ 43
5-28. Schematic Diagram – Display Section – .......................... 44
5-29. Printed Wiring Boards – Power Section – ........................ 45
5-30. Schematic Diagram – Power Section – ............................. 46
5-31. Schematic Diagram – DC-DC Converter Section – ......... 47
5-26. Schematic Diagram – DCAC, Power Section – ............... 42
5-27. Printed Wiring Board – Display Section – ........................ 43
5-28. Schematic Diagram – Display Section – .......................... 44
5-29. Printed Wiring Boards – Power Section – ........................ 45
5-30. Schematic Diagram – Power Section – ............................. 46
5-31. Schematic Diagram – DC-DC Converter Section – ......... 47
6. EXPLODED VIEWS
6-1. Case
Section
...................................................................... 70
6-2. Front Panel Section ........................................................... 71
6-3. Back Panel Section ........................................................... 72
6-4. Chassis
6-3. Back Panel Section ........................................................... 72
6-4. Chassis
Section
................................................................. 73
7. ELECTRICAL PARTS LIST
....................................... 74
TABLE OF CONTENTS
Ver. 1.1
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