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STR-DB870
Sony STR-DB870 Service Manual
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8
STR-DB870/DB1070
• This set can be disassembled in the order sho
wn below
.
3-1.
DISASSEMBL
Y FLO
W
SECTION 3
DISASSEMBL
Y
SET
3-3.
S-VIDEO BOARD
,
VIDEO BOARD
,
TUNER
(P
age 9)
3-2.
CASE
(P
age 9)
3-5.
DIGIT
AL BOARD
(P
age 10)
3-6.
MAIN BOARD
(P
age 11)
3-4.
VIDEO A
U BOARD
(P
age 10)
7
9
Table of Contents
Default Chapter
1
Specifications
1
Table of Contents
4
1 Servicing Notes
5
2 General
6
3 Disassembly
8
Disassembly Flow
8
Case
9
S-VIDEO Board, VIDEO Board, Tuner
9
VIDEO AU Board
10
DIGITAL Board
10
MAIN Board
11
4 Test Mode
12
5 Diagrams
13
Note for Printed Wiring Boards and Schematic Diagrams
13
Schematic Diagram - DIGITAL Board (1/5)
15
Schematic Diagram - DIGITAL Board (2/5)
15
Schematic Diagram – DIGITAL Board (2/5)
16
Schematic Diagram - DIGITAL Board (3/5)
17
Schematic Diagram - DIGITAL Board (4/5)
18
Schematic Diagram - DIGITAL Board (5/5)
19
Printed Wiring Board - DIGITAL Board (Component Side)
20
Printed Wiring Board - DIGITAL Board (Conductor Side)
21
Printed Wiring Board - VIDEO Board
22
Schematic Diagram - VIDEO Board
23
Printed Wiring Boards - S-VIDEO/VIDEO AU Boards
24
Schematic Diagram - S-VIDEO/VIDEO AU Boards
25
Printed Wiring Board - MAIN Board
26
Schematic Diagram - MAIN Board (1/3)
27
Schematic Diagram - MAIN Board (2/3)
28
Schematic Diagram - MAIN Board (3/3)
29
Printed Wiring Board - BIAS Board
30
Schematic Diagram - BIAS Board
31
Printed Wiring Boards - DISP/SW Boards
32
Schematic Diagram - DISP/SW Boards
33
Printed Wiring Boards - H.P/MUTING/POWER/SP/VIDEO 3 Boards
34
Schematic Diagram - H.P/MUTING/POWER/SP/VIDEO 3 Boards
35
Printed Wiring Boards - POWER SUPPLY Section
36
Schematic Diagram - POWER SUPPLY Section
37
IC Pin Function Description
43
6 Exploded Views
55
Case Section
55
Front Panel Section-1
56
Front Panel Section-2
57
Chassis Section-1
58
Chassis Section-2
59
7 Electrical Parts List
60
Revision History
86
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Operating Instructions
87 pages
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Sony STR-DB870 Specifications
General
Brand
Sony
Model
STR-DB870
Category
Stereo Receiver
Language
English
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