Schematic Diagram - Main Board (1/4) - Sony STR-K890 Service Manual

STR-K890
Q Q
4-11. 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
(Page 33)
I
1
3
2
MAIN
BOARD
J
(4/4)
(Page 27)
w w w
K
STR-K890
2 3 4 5
MAIN BOARD (1/4)
C409
4.7
R409
50V
1k
CC09
CC59
100p 100p
C459
4.7
R459
50V
1k
R402
CC02 1k
CC52
100p
100p
R452
1k
R404
CC04
1k
100p
R454
1k
CC54
100p
WP100
SYSTEM
GND
R405
1k 0.1
INEL
0.1
CC05
INDR
100p R455
1k 0.1
INDL
0.1
INCR
CC55 R407
100p 1k 0.1
INCL
0.1
CC07
CC57
INBR
100p
100p
0.1
INBL
R457
1k R480 0 0
INAR
R481 0 0
INAL
AGND3
C408
C403
4.7
2200p BOUT2
R408
50V
1k
BOUT1
CC08
R473
AGND2
100p 47k
INBSW
C458
CC58 R458 R474
4.7
INBSBR
100p 1k 47k
50V
INBSBL
INBSR
R406
CC06
1k
100p
INBSL
INBC
INBR
R456
1k
INBL
AGND1
0.1
CC56 JW508 5
100p 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
8
3 4 5
. i
MAIN BOARD
2
(3/4)
(Page 26)
http://www.xiaoyu163.com
6 7 8
R3020
47k
C3034
R3023 R3021
4.7
47k
47k
50V
C3032 R3022
1
47k
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
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
0
GOUTSBL
0
VINSBL
AGND15
0
GOUTSR
0
VINSR
0 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
11 12 9 10
6 7
MAIN BOARD
1
(2/4)
(Page 25)
24 24
http://www.xiaoyu163.com
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
R3013 R3011 C3025
47k 47k 0.1
0.1
C3026
C3022
1
R3012
47k
CNP501
15P
C3027 1
C702 10 50V
C762 10 50V
R423 47k
C469
100p
6 3 1 5 1 5 0 8 9
R475 10k
C468
100p
R476 10k
C488
0.1
CN500
11P
C464
0.1
10 50V
R429 1k
R428 1k
C490 10 50V
C485
10
50V
m
No mark:FM
c o
.
2
8 9 9
12 13
15
C LINK L
14
GND
13
C LINK R
12
TUNER L
11
GND
10
TUNER R
9 L IN F
8 GND
DIGITAL
7 R IN
BOARD
6 R OUT
(3/5)
5 +7V CNS501
(Page 20)
4 L OUT
3 SW OUT
2 GND
1
C OUT
2 4 9 8 2 9 9
11
SL OUT
10
-7V
9
SR OUT
8
SBL OUT
7
SBR OUT
G
6 VACS CTRL
DIGITAL
5 VOL IC DATA
BOARD
4 VOL IC CLK
(5/5)
3 V3 GND
CNS502
2 V3 R
(Page 22)
1 V3 L