Sony STR-DB840 Service Manual page 44
Fm stereo fm/am receiver
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Also See for STR-DB840:
- Operating instructions manual (93 pages) ,
- Limited warranty (1 page) ,
- Operating instructions manual (90 pages)
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IC253 NJM2145D (S-VIDEO Board (US, Canadian))
VCC
1
16
GND
OUT1
2
15
INH1
INH
IN4
3
14
INH2
INPUT
13
IN1
CIRCUIT
IN3
4
INH
12
NC
IN2
5
11
OUT2-1
OUTPUT
CIRCUIT
OUT3-1
6
10
OUT2-2
OUTPUT
CIRCUIT
OUT3-2
7
9
OUT2-3
OUTPUT
CIRCUIT
OUT3-3
8
IC301
TC9273N-004 (MAIN Board)
IC303
TC9273N-014 (MAIN Board)
IC330
TC9273N-013 (MAIN Board (DB940))
IC1502 TC9273F-012 (EL) (AU SW Board)
VSS
1
28
VDD
S1
2
27
S1
S2
3
26
S2
S3
4
25
S3
S4
5
24
S4
S5
6
23
S5
10BIT
10BIT
LATCH
LATCH
S6
7
22
S6
CIRCUIT
CIRCUIT
(L-CH)
(R-CH)
S7
8
21
S7
S8
9
20
S8
S9
10
19
S9
S10
11
18
S10
S11
12
17
S11
GND
13
16
STB
LEVEL SHIFT & SHIFT REGISTER
CK
14
15
DATA
IC414-416 TC9299P (MAIN Board)
1
16
VSS
VDD
2
15
OUT
OUT
L-CH
R-CH
3
14
IN
IN
R-ch
L-ch
DATA
DATA
NC
4
13
NC
LATCH
LATCH
5
12
A-GND
A-GND
CIRCUIT
CIRCUIT
SHIFT
REGISTER
6
11
CS2
CS1
LEVEL
(13bit)
LEVEL
7
10
SHIFT
SHIFT
STB
GND
STROBE
CIRCUIT
CIRCUIT
8
9
DATA
CK
GENERATOR
CIRCUIT
Page 44
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