Schematic Diagram - Main Board (5/10) - Sony STR-KS1200 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
2-11. SCHEMATIC DIAGRAM - MAIN Board (9/10) -
1 2 3
A MAIN BOARD
B
C
D
E
R3302
T E
L 1 3 9 4 2 2 9 6 5 1 3
18
R3301
17
R3502
16
R3402
15
F 27
R3501
14
MAIN
BOARD
(7/10)
13
(Page 11)
11
10
12
G
H
SC_RESET
SC_DC_DET
SC_SD
SC_OVFW
20
SC_OVF1
I
MAIN
SC_LAT3
BOARD
(3/10) SC_LAT2
(Page 7)
SC_LAT1
SC_SHIFT
SC_SCDT
SC_SOFT_MUTE
INIT
DGND
12
J MAIN AMP_MCKO
BOARD
ENG_MUTE
(1/10)
w w w (Page 5)
DGND
AMP_DATA1
16
AMP_BCKO
AMP_DATA2
MAIN
BOARD
AMP_LRCKO
(2/10)
K
(Page 6)
AMP_DATA3
STR-KS1200
4 5 6
(9/10)
100
100
100
100
100
R3401
100
C3070 1000p
C3071
0.01
C3069 100p
100p
C3068
C3067 100p
R3928 100
R3075
100
x a o
y
R3074 100
. i
R3076
100
http://www.xiaoyu163.com
7 8 9
C3032
0.1
C3033
0.1
R3060
10k
12 11 10 9 8 7 6 5
13 XOVSS
C3034
14
0.1 XFSOOUT
3.3
15
R3059 XOVDD
0.1
C3035 1.8
10k
IC3030
16
DVDD
17
DVSS
STREAM PROCESSOR
3.3
18
NSPMUTE IC3030
0
CXD9876R
19 SOFTMUTE
3.3
20 PGMUTE
0
21
SCDT
3.5
22
SCSHIFT
3.5
23
SCLATCH
3.3
24
OVF FLAGR
25 26 27 28 29 30 31 32 33 34 35 36
R3031
Q Q
470 3 7 6
R3033
10k
C3036
R3032
0.1
470
R3917
470
R3922
220k
Q3920
RT1P140C-TP-1
MUTING 3.3
3.3
C3920
C3922
0.22
0.1
u 1 6 3
.
13 13
2 4
8 9 9
10 11 12 13
C3031
47
16V
4 3 2 1
1.6
XFSOIN 48
C3040
3.3
47
XVDD 0.1
3.3
46
HPVDDL
C3039
45
HPOUTL1
0.1
44
HPVSSL
C3038
43
HPOUTL2 0.1
3.3
HPVDDR 42
HPOUTR1 41
40
HPVSSR
39
HPOUTR2
1.7
38
FSOI
37
FSOCKO
3 1 5 1 5 0 8 9 2
C3037
0.1
R3037
330
R3971
100
R3970
100
R3972 100
IC3920
SWITCHING
IC3920
SN74LV08APWR
1.7 3.3
14
1 VCC
3.3 3.3
13
2 R3927
1.6 3.3
12
3
0 3.3
11
4
3.3 3.3
10
5
0 0.8
6 9
0.8
7 8
GND
m
c o
STR-KS1200
2
8 9 9
14 15 16
41
19
20
21
30
MAIN
BOARD
24
(10/10)
(Page 14)
4 9 8 2 9 9
22
23
25
26
27
28
29
30
31
IC3921
SWITCH
IC3921
TC7WZ74FU (TE12R)
100
0 3.3
8
1 CK VCC
3.3 3.3
2 7
D /PR
3.3
3 6
/Q /CLR
3.3
4 5
GND Q
C3923
0.1