Schematic Diagram - Main Board (1/3) - Sony STR-K785 Service Manual

STR-K785
Q Q
4-9. SCHEMATIC DIAGRAM – MAIN BOARD (1/3) –
3 7 6 3 1 5 1 5 0
J402
J400
T E
L 1 3 9 4 2 2 9 6 5 1 3
J403
AUDIO
SUB WOOFER
OUT
19
w w w
20
STR-K785
• See page 33 for IC Block Diagram.
R401
1k
CC01 100P
CC51 100P
R451
1k
R402
1k
CC02 100P
R452 1k
CC52
R403
100P
C484 0.1
1k
CC03 100P
R453 1k
CC53
R404
100P
1k
CC04 100P
CC54
R454
100P 1k
TP1
BOARD IN WIRE
TO TP2
C400
0.1
R469 1K
R783
47K
RY702
D752
CNP501 1SS133T-72
15P
R802
220
CNP502
10P
x a o
y
. i
http://www.xiaoyu163.com
8
C424
4.7
50V
C434
2.2
50V
C433 2.2 50V
IC400
M61542FP
C423 4.7 50V
C425 4.7 50V
C435 2.2 50V
C446 4.7 50V
C436 2.2 50V
C426
4.7
50V
R416
1k
R472
1k
Q471 R471
2SD2144S-TP-UVW 680
Q Q
3 7 6 3
C471
R473 100
C472
2.2k
10V
0.1
C403 0.001
C404 0.001
R406
100
R782
100k
Q560
2SC1740S-QRT
RELAY DRIVE
R780 4.7k
u 1 6 3
.
22 22
http://www.xiaoyu163.com
2 4
9 9 8
1 5 1 5 0 8 9 2 4
m
c o
No mark : FM
2
9 9
23
9 8 2 9 9
24