HT-SF1200, HT-SS1200, STR-KS1200 - Sony Audio Service Manual (repair manual). Page 27

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STR-KS1200
STR-KS1200
27
27
• See page 32 for Waveforms.    • See page 40 for IC Block Diagrams.
5-17.  SCHEMATIC  DIAGRAM  - MAIN Board (10/10) - 
BOARD
(9/10)
30
MAIN
(8/10)
MAIN
BOARD
29
IC B/D
IC B/D
23
24
25
26
(4/10)
23
BOARD
MAIN
IC B/D
1.7
1.3
3.3
1.7
1.7
3.3
3.3
3.3
1.6
3.3
3.3
1.7
1.6
3.3
1.7
3.3
1.8
3.3
1.6
3.3
1.8
3.3
0
3.3
0
3.5
3.5
3.3
3.3
1.6
3.3
0
3.5
3.3
3.5
3.5
0
1.8
3.3
1.7
1.7
3.3
1.7
3.3
1.9
3.3
1.7
1.9
3.3
1.7
1.7
3.5
1.7
1.7
3.3
0.8
1.8
1.7
3.3
1.7
3.5
1.7
1.7
1.8
3.3
0.8
R3151
100
0.1
C3026
0.1
C3020
1000p
C3053
470
R3022
16V
100
C3054
100
R3015
FB3051
0
0.01
C3055
10uH
L3051
100
R3202
22
R3054
0.1
C3012
0.1
C3015
100
R3057
0.1
C3013
100
R3024
C3060
10p
100
R3101
0.1
C3019
1000p
C3059
16V
47
C3021
0.01
C3057
0.1
C3028
0.1
C3023
100
R3201
0.1
C3014
100
R3055
100
R3102
100
R3252
10uH
L3053
0.1
C3017
0.1
C3025
+3.3V
470
R3012
49.1MHz
X3051
0.1
C3018
5p
C3058
0.1
C3027
0.1
C3022
0.1
C3029
100
R3053
R3152
100
470
R3021
10V
220
C3056
1
C3052
100
R3251
5
4
3
2
1
TC7SHU04FU(T5RSOJF)
IC3051
NC
IN
GND
OUT
VCC
1uH
L3054
0.1
C3030
0.1
C3016
0.1
C3024
10k
R3013
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25 26 27 28 29 30 31 32 33 34 35 36
37
38
39
40
41
42
43
44
45
46
47
48
CXD9876R
IC3010
XVSS
VSUBC
VSSR
OUTR2(-)
VDDR
OUTR1(+)
VSSR
VSSL
OUTL2(-)
VDDL
OUTL1(+)
VSSL
XOVSS
XFSOOUT
XOVDD
DVDD
DVSS
NSPMUTE
SOFTMUTE
PGMUTE
SCDT
SCSHIFT
SCLATCH
OVF FLAGR
OVF FLAGL
SFLAG
INIT
MCKSEL
LRCK
BCK
DA
TA
BFVDD
BFVSS
TEST
DVDD
XFSIIN
FSOCKO
FSOI
HPOUTR2
HPVSSR
HPOUTR1
HPVDDR
HPOUTL2
HPVSSL
HPOUTL1
HPVDDL
XVDD
XFSOIN
470
R3011
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25 26 27 28 29 30 31 32 33 34 35 36
37
38
39
40
41
42
43
44
45
46
47
48
CXD9876R
IC3020
XVSS
VSUBC
VSSR
OUTR2(-)
VDDR
OUTR1(+)
VSSR
VSSL
OUTL2(-)
VDDL
OUTL1(+)
VSSL
XOVSS
XFSOOUT
XOVDD
DVDD
DVSS
NSPMUTE
SOFTMUTE
PGMUTE
SCDT
SCSHIFT
SCLATCH
OVF FLAGR
OVF FLAGL
SFLAG
INIT
MCKSEL
LRCK
BCK
DA
TA
BFVDD
BFVSS
TEST
DVDD
XFSIIN
FSOCKO
FSOI
HPOUTR2
HPVSSR
HPOUTR1
HPVDDR
HPOUTL2
HPVSSL
HPOUTL1
HPVDDL
XVDD
XFSOIN
5
4
3
2
1
TK11118CSCL-G
IC3050
CONT
GND
NP
VOUT
VIN
16V
47
C3011
1M
R3052
330
R3017
330
R3026
22
R3023
22
R3014
SC_LA
T2
SC_SOFT_MUTE
SC_LA
T1
SC_SHIFT
PGMUTE
SC_SCDT
SC_SHIFT
SC_SOFT_MUTE
PGMUTE
SC_SCDT
OVF
INIT
INIT
21
23
24
26
22
19
25
20
27
31
30
29
28
37
38
39
36
32
34
33
35
42
(10/10)
MAIN BOARD
IC3010
STREAM PROCESSOR
IC3051
CLOCK BUFFER
IC3050
+1.8V REGULATOR
IC3020
STREAM PROCESSOR
A
10
1
2
H
B
13
11
C
7
8
I
14
F
9
6
4
15
3
G
D
5
E
12
41
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