Schematic Diagram - Dcac Board, Video3 Board - Sony STR-K990 Service Manual
Multichannel av receiver
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Also See for STR-K990:
- Operating instructions manual (80 pages) ,
- Service manual (62 pages)
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STR-K990
Q Q
4-20. SCHEMATIC DIAGRAM – DCAC BOARD, VIDEO3 BOARD –
3 7 6 3 1 5 1 5 0
DCAC BOARD
MAIN
CN2000
BOARD
5P
CL2004
(4/4)
+7V
1
CL2005
CN506
L
2
+/-7V_GND
(Page 28)
CL2006
-7V
3
CL2007
DISPLAY
R
DCAC_OUT
4
BOARD
CNP106
(Page 30)
JW2001
T E
L
1 3 9 4 2 2 9 6 5 1 3
w w w
STR-K990
C2005
33p
C2002
1
50V
R2005
1M
R2017
C2006
2.2k
1
50V
8
7
6
5
R2003
10k
C2003
R2001
C2011
0.033
10k
0.022
50V
IC2000
1
2
3
4
C2012
R2006
AMP
0.022
1k
JW2000
C2013
D2014
1
R2008
1SS355TE-17
50V
560k
R2007
10k
R2015
C2008
33k
56p
R2010
10k
C2014
D2013
R2016
0.47
15k
1SS355TE-17
50V
C2010
0.033
x
a o
.
i
http://www.xiaoyu163.com
2
1
3
R2000
1k
J2000
R2019
AUTO CAL MIC
2.2k
R2018
C2018
VIDEO 3
1.2k
0.1
BOARD
C2001
100p
Q
Q
3
7
6
No mark:FM
u 1 6 3
y
34
34
http://www.xiaoyu163.com
2
4
8
9
9
J298
VIDEO3 IN/
PORTABLE AV IN
AUDIO
R
L
VIDEO
R
L
V
CN201
R298
1k
1
R-CH
C298
2
GND
R299
220p
1k
3
L-CH
C299
220p
4
GND
5
VIDEO
C294
C293
0.1
0.1
CN202
(CHASSIS)
3
1
5
1
5
0
8
9
2
m
c o
.
2
8
9
9
MAIN
5P
BOARD
(1/4)
P
CNP503
(Page 25)
Q
VIDEO
BOARD
CNP202
(Page 36)
4
9
8
2
9
9
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