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STR-DB2000
Sony STR-DB2000 Service Manual
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70
STR-D
A2000ES/DB2000
– MUL
TI-VIDEO Board –
IC326, 341
TC9274N-016
1
2
3
4
5
6
7
8
9
10
11
12
20
21
42
40
40
39
38
37
36
35
34
33
32
31
23
22
VSS
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
GND
CK
VDD
STB
DATA
18BIT
LATCH
CIRCUIT
(R-CH)
18BIT
LATCH
CIRCUIT
(L-CH)
LEVEL SHIFT & SHIFT REGISTER
13
S12
30
S12
14
S13
29
S13
15
S14
28
S14
16
S15
27
S15
17
S16
26
S16
19
S18
24
S18
18
S17
25
S17
IC1201
NJM2595M-TE2
ANALOG
SWITCH
SERIAL
INPUT
CONTROL
VIDEO
SIGNAL
GENERATOR
CIRCUIT
4 FSC
CLOCK
OSCILLATOR
CIRCUIT
FOR
COLOR
BURST
DATA
OUTPUT
CONTROL
NTSC/PAL
SIGNAL GENERATOR
CIRCUIT
H/V
SEPARATE
CIRCUIT
DISPLAY
MEMORY
CONTROL
CGROM
CHARACTER
VRAM
VIDEO PHASE SYNC
YIN
CIN
VIN
HSYNC
VSYNC
EXS
VBLK
FSCO
AVCC
XS
EXHSYN
EXVSYN
VSS
1
2
3
10
11
8
6
5
4
9
12
13
14
YOUT
AVSS
COUT
VOUT
CS
SIN
SCLK
VOC0
VOC1
VOC2
VOB
XD
EXD
27
26
25
28
24
23
22
20
19
18
17
16
15
VCC
7
TEST
21
DOT-CLOCK
GENERATOR
CIRCUIT
IC1241
MB90089F-G-238-BND
1
2
3
4
8
7
6
5
GND
IN1
IN2
IN3
OUT1
OUT2
OUT3
VCC
75OHM
DRIVER
75OHM
DRIVER
75OHM
DRIVER
IC1242
BA7622F-E2-A
15
VOUT2
16
V+
14
SW1
75
Ω
DRIVER
6dB
AMP
75
Ω
DRIVER
6dB
AMP
11
VOUT3
75
Ω
DRIVER
6dB
AMP
13
VIN1
12
GND
10
SW2
9V
I
N
2
3
VIN5
4
SW3
5
VIN4
6
SW4
7
VIN3
2
SW5
1
VOUT1
8
V–
69
71
Table of Contents
Default Chapter
1
Service Manual
1
Table of Contents
4
1 Servicing Notes
5
2 General
7
Location of Controls
7
3 Disassembly
8
Disassembly Flow
8
Case
9
Front Panel Section
9
Switching Regulator
10
MAIN Block
10
DIGITAL Board
11
AMP Board Section
11
4 Test Mode
12
5 Electrical Adjustments
14
6 Diagrams
16
Block Diagram - AUDIO (ANALOG) (1/2) Section
16
Block Diagram - AUDIO (ANALOG) (2/2) Section
17
Block Diagram - AUDIO (DIGITAL) (1/3) Section
18
Block Diagram - AUDIO (DIGITAL) (2/3) Section
19
Block Diagram - AUDIO (DIGITAL) (3/3) Section
20
Block Diagram - PRE out Section
21
Block Diagram - POWER AMP Section
22
Block Diagram - VIDEO Section
23
Block Diagram - PANEL Section
24
Block Diagram - POWER Section
25
Note for Printed Wiring Boards and Schematic Diagrams
26
Schematic Diagram - 2CH. AU Board (1/3)
27
Schematic Diagram - 2CH. AU Board (2/3)
28
Schematic Diagram - 2CH. AU Board (3/3)
29
Printed Wiring Board - 2CH. AU Board (Component Side)
30
Printed Wiring Board - 2CH. AU Board (Conductor Side)
31
Printed Wiring Board - MULTI-VIDEO Board (Component Side)
32
Printed Wiring Board - MULTI-VIDEO Board (Conductor Side)
33
Schematic Diagram - MULTI-VIDEO Board (1/4)
34
Schematic Diagram - MULTI-VIDEO Board (2/4)
35
Schematic Diagram - MULTI-VIDEO Board (3/4)
36
Schematic Diagram - MULTI-VIDEO Board (4/4)
37
Printed Wiring Board - up CONVERT Board (STR-DA2000ES Only)
38
Schematic Diagram - up CONVERT Board (STR-DA2000ES Only)
39
Printed Wiring Board - S-VIDEO Board
40
Schematic Diagram - S-VIDEO Board
41
Printed Wiring Board - DIGITAL Board (Component Side)
42
Printed Wiring Board - DIGITAL Board (Conductor Side)
43
Schematic Diagram - DIGITAL Board (1/8)
44
Schematic Diagram - DIGITAL Board (2/8)
45
Schematic Diagram - DIGITAL Board (3/8)
46
Schematic Diagram - DIGITAL Board (4/8)
47
Schematic Diagram - DIGITAL Board (5/8)
48
Schematic Diagram - DIGITAL Board (6/8)
49
Schematic Diagram - DIGITAL Board (7/8)
50
Schematic Diagram - DIGITAL Board (8/8)
51
Printed Wiring Board - D. AMP Board (Component Side)
52
Printed Wiring Board - D. AMP Board (Conductor Side)
53
Schematic Diagram - D. AMP Section (1/6)
54
Schematic Diagram - D. AMP Section (2/6)
55
Schematic Diagram - D. AMP Section (3/6)
56
Schematic Diagram - D. AMP Section (4/6)
57
Schematic Diagram - D. AMP Section (5/6)
58
Schematic Diagram - D. AMP Section (6/6)
59
Printed Wiring Board - CIS Board (STR-DA2000ES Only)
60
Schematic Diagram - CIS Board (STR-DA2000ES Only)
61
Printed Wiring Board - PANEL Section
62
Schematic Diagram - PANEL Section
63
Printed Wiring Board - HP-V3 Board
64
Schematic Diagram - HP-V3 Board
65
Printed Wiring Board - REG Board
66
Schematic Diagram - REG Board
67
IC Block Diagrams
69
IC Pin Function Description
79
7 Exploded Views
91
Case Section
91
Front Panel Section
92
Base Panel Section
93
Power Block Section
94
Tuner Section
95
Back Panel Section
96
Chassis Section
97
Boards Section
98
HEAT SINK Section
99
AMP Board Section
100
8 Electrical Parts List
101
Digital Display
127
Revision History
158
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Sony STR-DB2000 Specifications
General
Brand
Sony
Model
STR-DB2000
Category
Stereo Receiver
Language
English
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