Sony STR-DB1070 Service Manual - Page 4

Table Of Contents, H.p/muting/power/sp/video 3 Boards - service

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STR-DB870/DB1070 TABLE OF CONTENTS 1. SERVICING NOTES 5 2. GENERAL 6 3. DISASSEMBLY 3-1. Disassembly Flow 8 3-2. Case 9 3-3. S-VIDEO board, VIDEO Board, Tuner 9 3-4. VIDEO AU Board 10 3-5. DIGITAL Board 10 3-6. MAIN Board 11 4. TEST MODE 12 5. DIAGRAMS 5-1. Note for Printed Wiring Boards and Schematic Diagrams 13 5-2. Schematic Diagram - DIGITAL Board (1/5 15 5-3. Schematic Diagram - DIGITAL Board (2/5 16 5-4. Schematic Diagram - DIGITAL Board (3/5 17 5-5. Schematic Diagram - DIGITAL Board (4/5 18 5-6. Schematic Diagram - DIGITAL Board (5/5 19 5-7. Printed Wiring Board - DIGITAL Board (Component Side 20 5-8. Printed Wiring Board - DIGITAL Board (Conductor Side 21 5-9. Printed Wiring Board - VIDEO Board 22 5-10. Schematic Diagram - VIDEO Board 23 5-11. Printed Wiring Boards - S-VIDEO/VIDEO AU Boards 24 5-12. Schematic Diagram - S-VIDEO/VIDEO AU Boards 25 5-13. Printed Wiring Board - MAIN Board 26 5-14. Schematic Diagram - MAIN Board (1/3 27 5-15. Schematic Diagram - MAIN Board (2/3 28 5-16. Schematic Diagram - MAIN Board (3/3 29 5-17. Printed Wiring Board - BIAS Board 30 5-18. Schematic Diagram - BIAS Board 31 5-19. Printed Wiring Boards - DISP/SW Boards 32 5-20. Schematic Diagram - DISP/SW Boards 33 5-21. Printed Wiring Boards - H.P/MUTING/POWER/SP/VIDEO 3 Boards 34 5-22. Schematic Diagram - H.P/MUTING/POWER/SP/VIDEO 3 Boards 35 5-23. Printed Wiring Boards - POWER SUPPLY Section 36 5-24. Schematic Diagram - POWER SUPPLY Section - ...... 37 5-25. IC Pin Function Description 43 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 7. ELECTRICAL PARTS LIST 60 4

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4
STR-DB870/DB1070
TABLE
OF
CONTENTS
1.
SERVICING
NOTES
...............................................
5
2.
GENERAL
...................................................................
6
3.
DISASSEMBLY
3-1.
Disassembly Flow
...........................................................
8
3-2.
Case
.................................................................................
9
3-3.
S-VIDEO board, VIDEO Board,
Tuner
.........................
9
3-4.
VIDEO AU Board
...........................................................
10
3-5.
DIGITAL Board
..............................................................
10
3-6.
MAIN Board
...................................................................
11
4.
TEST
MODE
..............................................................
12
5.
DIAGRAMS
5-1.
Note for Printed Wiring Boards
and Schematic Diagrams
................................................
13
5-2.
Schematic Diagram
– DIGITAL Board (1/5) –
.............
15
5-3.
Schematic Diagram
– DIGITAL Board (2/5) –
.............
16
5-4.
Schematic Diagram
– DIGITAL Board (3/5) –
.............
17
5-5.
Schematic Diagram
– DIGITAL Board (4/5) –
.............
18
5-6.
Schematic Diagram
– DIGITAL Board (5/5) –
.............
19
5-7.
Printed Wiring Board
– DIGITAL Board (Component Side) –
.........................
20
5-8.
Printed Wiring Board
– DIGITAL Board (Conductor Side) –
...........................
21
5-9.
Printed Wiring Board
– VIDEO Board –
.......................
22
5-10.
Schematic Diagram
– VIDEO Board –
.........................
23
5-11.
Printed Wiring Boards
– S-VIDEO/VIDEO AU Boards –
..................................
24
5-12.
Schematic Diagram
– S-VIDEO/VIDEO AU Boards –
..................................
25
5-13.
Printed Wiring Board
– MAIN Board –
........................
26
5-14.
Schematic Diagram
– MAIN Board (1/3) –
..................
27
5-15.
Schematic Diagram
– MAIN Board (2/3) –
..................
28
5-16.
Schematic Diagram
– MAIN Board (3/3) –
..................
29
5-17.
Printed Wiring Board
– BIAS Board –
..........................
30
5-18.
Schematic Diagram
– BIAS Board –
.............................
31
5-19.
Printed Wiring Boards
– DISP/SW Boards –
................
32
5-20.
Schematic Diagram
– DISP/SW Boards –
....................
33
5-21.
Printed Wiring Boards
– H.P/MUTING/POWER/SP/VIDEO 3 Boards –
.........
34
5-22.
Schematic Diagram
– H.P/MUTING/POWER/SP/VIDEO 3 Boards –
.........
35
5-23.
Printed Wiring Boards
– POWER SUPPLY Section –
........................................
36
5-24.
Schematic Diagram
– POWER SUPPLY Section –
......
37
5-25.
IC Pin Function Description
...........................................
43
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
7.
ELECTRICAL
PARTS
LIST
...............................
60