Sony STR-KS1200 Service Manual page 26

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