Sony STR-DB2000 Service Manual

4
STR-DA2000ES/DB2000
1. SERVICING NOTES ............................................... 5
2. GENERAL
Location of Controls ....................................................... 7
3. DISASSEMBLY
3-1. Disassembly Flow ........................................................... 8
3-2. Case ................................................................................. 9
3-3. Front Panel Section ......................................................... 9
3-4. Switching Regulator........................................................ 10
3-5. MAIN Block.................................................................... 10
3-6. DIGITAL Board .............................................................. 11
3-7. D. AMP Board Section ................................................... 11
4. TEST MODE.............................................................. 12
5. ELECTRICAL ADJUSTMENTS......................... 14
6. DIAGRAMS
6-1. Block Diagram
– AUDIO (ANALOG) (1/2) Section – ........................... 16
6-2. Block Diagram
– AUDIO (ANALOG) (2/2) Section – ........................... 17
6-3. Block Diagram
– AUDIO (DIGITAL) (1/3) Section – ............................ 18
6-4. Block Diagram
– AUDIO (DIGITAL) (2/3) Section – ............................ 19
6-5. Block Diagram
– AUDIO (DIGITAL) (3/3) Section – ............................ 20
6-6. Block Diagram – PRE OUT Section – .......................... 21
6-7. Block Diagram – POWER AMP Section – ................... 22
6-8. Block Diagram – VIDEO Section – .............................. 23
6-9. Block Diagram – PANEL Section – .............................. 24
6-10. Block Diagram – POWER Section – ............................. 25
6-11. Note for Printed Wiring Boards
and Schematic Diagrams ................................................ 26
6-12. Schematic Diagram – 2CH. AU Board (1/3) .................. 27
6-13. Schematic Diagram – 2CH. AU Board (2/3) .................. 28
6-14. Schematic Diagram – 2CH. AU Board (3/3) .................. 29
6-15. Printed Wiring Board
– 2CH. AU Board (Component Side) – .......................... 30
6-16. Printed Wiring Board
– 2CH. AU Board (Conductor Side) –............................ 31
6-17. Printed Wiring Board
– MULTI-VIDEO Board (Component Side) –............... 32
6-18. Printed Wiring Board
– MULTI-VIDEO Board (Conductor Side) – ................ 33
6-19. Schematic Diagram – MULTI-VIDEO Board (1/4) – ... 34
6-20. Schematic Diagram – MULTI-VIDEO Board (2/4) – ... 35
6-21. Schematic Diagram – MULTI-VIDEO Board (3/4) – ... 36
6-22. Schematic Diagram – MULTI-VIDEO Board (4/4) – ... 37
6-23. Printed Wiring Board
– UP CONVERT Board (STR-DA2000ES only) –........ 38
6-24. Schematic Diagram
– UP CONVERT Board (STR-DA2000ES only) –........ 39
6-25. Printed Wiring Board – S-VIDEO Board – .................... 40
6-26. Schematic Diagram – S-VIDEO Board –....................... 41
6-27. Printed Wiring Board
– DIGITAL Board (Component Side) – ......................... 42
6-28. Printed Wiring Board
– DIGITAL Board (Conductor Side) – ........................... 43
6-29. Schematic Diagram – DIGITAL Board (1/8) – .............. 44
6-30. Schematic Diagram – DIGITAL Board (2/8) – .............. 45
6-31. Schematic Diagram – DIGITAL Board (3/8) – .............. 46
TABLE OF CONTENTS
6-32. Schematic Diagram – DIGITAL Board (4/8) – .............. 47
6-33. Schematic Diagram – DIGITAL Board (5/8) – .............. 48
6-34. Schematic Diagram – DIGITAL Board (6/8) – .............. 49
6-35. Schematic Diagram – DIGITAL Board (7/8) – .............. 50
6-36. Schematic Diagram – DIGITAL Board (8/8) – .............. 51
6-37. Printed Wiring Board
– D. AMP Board (Component Side) –............................ 52
6-38. Printed Wiring Board
– D. AMP Board (Conductor Side) – ............................. 53
6-39. Schematic Diagram – D. AMP Section (1/6) – .............. 54
6-40. Schematic Diagram – D. AMP Section (2/6) – .............. 55
6-41. Schematic Diagram – D. AMP Section (3/6) – .............. 56
6-42. Schematic Diagram – D. AMP Section (4/6) – .............. 57
6-43. Schematic Diagram – D. AMP Section (5/6) – .............. 58
6-44. Schematic Diagram – D. AMP Section (6/6) – .............. 59
6-45. Printed Wiring Board
– CIS Board (STR-DA2000ES only) – .......................... 60
6-46. Schematic Diagram
– CIS Board (STR-DA2000ES only) – .......................... 61
6-47. Printed Wiring Board – PANEL Section – ..................... 62
6-48. Schematic Diagram – PANEL Section – ........................ 63
6-49. Printed Wiring Board – HP-V3 Board – ........................ 64
6-50. Schematic Diagram – HP-V3 Board – ........................... 65
6-51. Printed Wiring Board – REG Board – ............................ 66
6-52. Schematic Diagram – REG Board – ............................... 67
6-53. IC Pin Function Description ........................................... 79
7. EXPLODED VIEWS
7-1. Case Section ................................................................... 91
7-2. Front Panel Section ........................................................ 92
7-3. Base Panel Section ......................................................... 93
7-4. Power Block Section ...................................................... 94
7-5. Tuner Section ................................................................. 95
7-6. Back Panel Section......................................................... 96
7-7. Chassis Section .............................................................. 97
7-8. Boards Section ............................................................... 98
7-9. HEAT SINK Section ...................................................... 99
7-10. D. AMP Board Section .................................................. 100
8. ELECTRICAL PARTS LIST .............................. 101

Sony STR-DB2000 Specifications

General

Brand	Sony
Model	STR-DB2000
Category	Stereo Receiver
Language	English