Schematic Diagram - Main Board (1/4) - Sony STR-K995 Service Manual

STR-K995
Q Q
4-12. SCHEMATIC DIAGRAM – MAIN BOARD (1/4) –
3 7 6 3 1 5 1 5 0
1
A
J405
J405 6P
L1
L
OUT
R1
R
B
SA-CD/CD/CD-R
L2
L
IN
R2
R
L3
L
C
TV IN
R3
R
G
D
J403
4P
J403
L1
L
SAT AUDIO IN
R1
R
E
L2
L
DVD AUDIO IN
R2
R
T E
L 1 3 9 4 2 2 9 6 5 1 3
G
F J402
4P
J402
L1
L
AUDIO OUT
R1
R
VIDEO 1
L2
L
G
AUDIO IN
R2
R
G
H L 1
P
GND 2
VIDEO 3 R 3
BOARD CNP503
CN201
(1pin to 3pin)
(Page 35)
I
1
3
2
MAIN
BOARD
J
(4/4)
(Page 29)
w w w
K
STR-K995
2 3 4 5
MAIN BOARD (1/4)
C409
4.7
R409
50V
1k
C459
R471
4.7
47k R459
50V
1k
R402
1k
R452
1k
R404
1k
R454
1k
WP100
SYSTEM
GND
R405
1k 0.1
INEL
0.1
INDR
R455
1k 0.1
INDL
0.1
INCR
R407
1k 0.1
INCL
0.1
INBR
0.1
INBL
R457
1k
INAR
INAL
AGND3
C408
C403
4.7
2200p BOUT2
R408
50V
1k
BOUT1
R473
AGND2
47k
INBSW
C458
R458 R474
4.7
INBSBR
1k 47k
50V
INBSBL
INBSR
R406 INBSL
1k
INBC
INBR
R456
1k
INBL
AGND1
0.1
JW508 5
INASW
0.1
C444 JW517 5
2200p INASBR
0.1
JW516 5
INASBL
0.1
JW515 5
C463
INASR
220p
0.1
JW512 5
INASL
0.1
C453 JW514 5
INAC
220p
0.1
JW511 5
INAR
3P
JW510 0.1
5
INAL
0 0
C493
10
50V
x a o
12
8
3 4 5
. i
MAIN BOARD
2
(3/4)
(Page 28)
http://www.xiaoyu163.com
6 7 8
R3020
47k
R3023
47k
JR3000
0
C3034
R3021
4.7
R472 47k
50V
0.5%
47k
C3026
R3022
C3032
47k
1
0.5%
C3024 C3037
4.7
1
50V
0
INCC
0
INCSL
0
INCSR
0
INCSB
0
INCSB
0
INCSW
AGND7
DGND
Q Q
0
3 7 6
CLK
0
DATA
IC401
AGND8
0
PORTA
ANALOG SOUND
0
PROCESSOR
PORTB
IC401 AGND9
BD3451KS
AGND10
7
VCC
AGND11
-7
VEE
AGND12
0
GOUTSW
0
VINSW
C495
AGND13
GOUTSBR
VINSBR
AGND14
GOUTSBL
VINSBL
AGND15
0
GOUTSR
0
VINSR
0 0 0 0 0 0 0 0 0 0 0 0
C492
C481 C484
10 10
10
50V
50V 50V
u 1 6 3
y
9 10
6 7
MAIN BOARD
1
(2/4)
(Page 27)
26 26
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2 4
8 9 9
9 10 11
IC3002
AMP
IC3002 NJM4565M(TE2)
0.1 7
0.1 0.1
R3010
47k
0.1 0.1
-7 0.1
R3011
R3013 C3025
47k
47k 0.1
0.5%
0.1
C3022
1
R3012
47k
0.5%
CNP501
15P
15
14
C3027 1
13
12
11
10
C702 10 50V
9
8
C762 10 50V
7
6
5
R420 0
4
R423 0
3
2
C469 1
100p
3 1 5 1 5 0 8 9
R475 10k
C468
100p
R476 10k
C488
0.1
CN500
11P
11
10
C464
0.1
9
8
7
10 50V
6
R429 1k
5
R428 1k
4
3
2
1
C485
10
50V
m
No mark:FM
c o
.
2
8 9 9
12 13
C LINK L
GND
C LINK R
TUNER L
GND
TUNER R
L IN F
GND
DIGITAL
R IN
BOARD
R OUT
(3/5)
+7V CNS501
(Page 22)
L OUT
SW OUT
GND
C OUT
2 4 9 8 2 9 9
SL OUT
-7V
SR OUT
SBL OUT
SBR OUT
G
VACS CTRL
DIGITAL
VOL IC DATA
BOARD
VOL IC CLK
(3/5)
V3 GND
CNS502
V3 R
(Page 22)
V3 L