Read Sony STR-DN840 Service Manual online
STR-DN840
4
1.
SERVICING NOTES
............................................. 5
2. DISASSEMBLY
2-1. Disassembly
Flow
........................................................... 7
2-2. Case (Entry) .................................................................... 8
2-3. TUNER1
2-3. TUNER1
ASSY
.............................................................. 8
2-4. Front Panel Section ......................................................... 9
2-5. DIGITAL Board, NETWORK Module........................... 10
2-6. DCDC Board, STANDBY Board,
2-5. DIGITAL Board, NETWORK Module........................... 10
2-6. DCDC Board, STANDBY Board,
GND BRACKET Board ................................................. 11
2-7. Back Panel Section, MAIN Board Section ..................... 12
2-8. MAIN
2-8. MAIN
Board
................................................................... 13
3.
TEST MODE
............................................................ 14
4.
FM TUNER CHECK
............................................. 17
5. DIAGRAMS
5-1. Block Diagram - ANALOG AUDIO Section - ............... 19
5-2. Block Diagram - DIGITAL Section -.............................. 20
5-3. Block Diagram - AMP Section - ..................................... 21
5-4. Block Diagram - ANALOG VIDEO/USB Section - ...... 22
5-5. Block Diagram - DIGITAL VIDEO Section - ................ 23
5-6. Block Diagram - DISPLAY/POWER Section - .............. 24
5-7. Printed
5-2. Block Diagram - DIGITAL Section -.............................. 20
5-3. Block Diagram - AMP Section - ..................................... 21
5-4. Block Diagram - ANALOG VIDEO/USB Section - ...... 22
5-5. Block Diagram - DIGITAL VIDEO Section - ................ 23
5-6. Block Diagram - DISPLAY/POWER Section - .............. 24
5-7. Printed
Wiring
Board
- DIGITAL Board (Component side) -............................ 26
5-8. Printed
Wiring
Board
- DIGITAL Board (Conductor side) - ............................. 27
5-9. Schematic Diagram - DIGITAL Board (1/8) - ................ 28
5-10. Schematic Diagram - DIGITAL Board (2/8) - ................ 29
5-11. Schematic Diagram - DIGITAL Board (3/8) - ................ 30
5-12. Schematic Diagram - DIGITAL Board (4/8) - ................ 31
5-13. Schematic Diagram - DIGITAL Board (5/8) - ................ 32
5-14. Schematic Diagram - DIGITAL Board (6/8) - ................ 33
5-15. Schematic Diagram - DIGITAL Board (7/8) - ................ 34
5-16. Schematic Diagram - DIGITAL Board (8/8) - ................ 35
5-17. Printed Wiring Board
5-10. Schematic Diagram - DIGITAL Board (2/8) - ................ 29
5-11. Schematic Diagram - DIGITAL Board (3/8) - ................ 30
5-12. Schematic Diagram - DIGITAL Board (4/8) - ................ 31
5-13. Schematic Diagram - DIGITAL Board (5/8) - ................ 32
5-14. Schematic Diagram - DIGITAL Board (6/8) - ................ 33
5-15. Schematic Diagram - DIGITAL Board (7/8) - ................ 34
5-16. Schematic Diagram - DIGITAL Board (8/8) - ................ 35
5-17. Printed Wiring Board
- MAIN Board (Component side) - ................................. 36
5-18. Printed Wiring Board
- MAIN Board (Conductor side) - .................................. 37
5-19. Schematic Diagram - MAIN Board (1/4) - ..................... 38
5-20. Schematic Diagram - MAIN Board (2/4) - ..................... 39
5-21. Schematic Diagram - MAIN Board (3/4) - ..................... 40
5-22. Schematic Diagram - MAIN Board (4/4) - ..................... 41
5-23. Printed Wiring Board -DISPLAY Board - ...................... 42
5-24. Schematic Diagram - DISPLAY Board- ......................... 43
5-20. Schematic Diagram - MAIN Board (2/4) - ..................... 39
5-21. Schematic Diagram - MAIN Board (3/4) - ..................... 40
5-22. Schematic Diagram - MAIN Board (4/4) - ..................... 41
5-23. Printed Wiring Board -DISPLAY Board - ...................... 42
5-24. Schematic Diagram - DISPLAY Board- ......................... 43
TABLE OF CONTENTS
5-25. Printed Wiring Board - DCDC Board - .......................... 44
5-26. Schematic Diagram - DCDC Board - ............................. 45
5-27. Printed Wiring Board - STANDBY Board - ................... 46
5-28. Schematic Diagram - STANDBY Board - ...................... 47
5-29. Printed Wiring Board
5-26. Schematic Diagram - DCDC Board - ............................. 45
5-27. Printed Wiring Board - STANDBY Board - ................... 46
5-28. Schematic Diagram - STANDBY Board - ...................... 47
5-29. Printed Wiring Board
- FRONT JACK PWB Board - ....................................... 48
5-30. Schematic Diagram
- FRONT JACK PWB Board - ....................................... 48
5-31. Printed Wiring Board - TUNER1 Board - ...................... 48
5-32. Schematic Diagram - TUNER1 Board - ......................... 49
5-33. Printed Wiring Board - POWER KEY Board -............... 50
5-34. Schematic Diagram - POWER KEY Board - ................. 50
5-35. Printed Wiring Board - HEADPHONE Board - ............. 50
5-36. Schematic Diagram - HEADPHONE Board - ................ 50
5-32. Schematic Diagram - TUNER1 Board - ......................... 49
5-33. Printed Wiring Board - POWER KEY Board -............... 50
5-34. Schematic Diagram - POWER KEY Board - ................. 50
5-35. Printed Wiring Board - HEADPHONE Board - ............. 50
5-36. Schematic Diagram - HEADPHONE Board - ................ 50
6.
EXPLODED VIEWS
6-1. Case (Entry) Section ....................................................... 73
6-2. DIGITAL
6-2. DIGITAL
Board
.............................................................. 74
6-3. Front Panel Section ......................................................... 75
6-4. Back Panel Section ......................................................... 76
6-5. Chassis
6-4. Back Panel Section ......................................................... 76
6-5. Chassis
Section
............................................................... 77
7.
ELECTRICAL PARTS LIST
.............................. 78
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