Read Sony SA-WCT180 Service Manual online
SA-WCT180
SA-WCT180
14
14
3-2. SCHEMATIC DIAGRAM - MAIN Board (1/3) -
A
3
6
2
D
5
B
C
7
1
4
(1/3)
MAIN BOARD
1.5V
2.NC
3.NC
4.GND
5.GPIO 33
6.GPIO 26
7.GPIO 17
8.I2C_DAT
9.GND
10.I2C_CLK
11.I2S_DATI
12.I2S_LRCK
13.I2S_BCK
14.GPIO 31
15.I2S_MCLK
16.GND
17.GPIO 1
18.GPIO 2
19.GPIO 3
20.I2C_Busy
2.NC
3.NC
4.GND
5.GPIO 33
6.GPIO 26
7.GPIO 17
8.I2C_DAT
9.GND
10.I2C_CLK
11.I2S_DATI
12.I2S_LRCK
13.I2S_BCK
14.GPIO 31
15.I2S_MCLK
16.GND
17.GPIO 1
18.GPIO 2
19.GPIO 3
20.I2C_Busy
STB_5V
STB_3V3
STB_3V3
STB_3V3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
1
2
3
R104
33
R104
33
C2
30
30
15PF
C2
30
30
15PF
C100
0.1UF
C100
0.1UF
XP3
20pin/2.0mm
20pin/2.0mm
XP3
20pin/2.0mm
20pin/2.0mm
R90
1K
R90
1K
R87
33
R87
33
C
228
100pF/
50V/
N
P
0
C
228
100pF/
50V/
N
P0
C238
100pF/
50V/
N
P0
C238
100pF/
50V/
N
P0
R99
560
R99
560
C
231
1
0
P
F
/5
0
V
/NP
O
C
231
10PF/
50V/
N
PO
C
75
0.
1uF/
25V/
Y
5V
C
75
0.
1uF/
25V/
Y
5V
R94
1K
R94
1K
C
2
39
100pF/
50V/
N
P0
C
2
39
100pF/
50V/
N
P0
C2
32
32
10PF/
50V/
NPO
C
232
10PF/
50V/
NPO
C240
100pF/
50V/
N
P
0
C240
100pF/
50V/
N
P
0
C
233
10PF/
50V/
NPO
C
233
10PF/
50V/
N
PO
R91
33
R91
33
C32
22uF/
10V/
Y
Y
5V
C32
22uF/
10V/
Y
Y
5V
R100
68
R100
68
R106
33
R106
33
R110
33
R110
33
FB8
500/200mA
FB8
500/200mA
R2
2
10K
R
22
10K
C
229
100pF/
50V/
N
P
0
C
229
100pF/
50V/
N
P0
R86
33
R86
33
R103
560
R103
560
R2
3
10K
R
23
10K
R107
33
R107
33
R111
33
R111
33
XS5
3PIN/2.0mm
XS5
3PIN/2.0mm
C9
7
7
N
C
/1
5PF
C9
7
7
NC/1
5PF
C241
100pF/
50V/
N
P0
C241
100pF/
50V/
N
P0
R105
33
R105
33
R108
33
R108
33
R96
33
R96
33
Q10
NPN_3DG3904M
Q10
NPN_3DG3904M
XS6
3PIN/2.0mm
XS6
3PIN/2.0mm
R24
NC/10K
R24
NC/10K
R93
33
R93
33
Q11
NPN_3DG3904M
Q11
NPN_3DG3904M
C9
8
8
N
C
/1
5PF
C9
8
8
NC/1
5PF
R109
33
R109
33
C
2
44
100pF/
50V/
N
P0
C
2
44
100pF/
50V/
N
P0
R25
NC/10K
R25
NC/10K
R95
33
R95
33
C
2
43
100pF/
50V/
N
P0
C
2
43
100pF/
50V/
N
P0
C9
5
5
NC/1
5P
F
C9
5
5
N
C
/1
5PF
C
242
100pF/
50V/
NP0
C
242
100pF/
50V/
N
P
0
C245
100pF/
50V/
N
P
0
C245
100pF/
50V/
N
P
0
R92
33
R92
33
R97
33
R97
33
R98
100
R98
100
C99
0.1UF
C99
0.1UF
C9
6
6
N
C
/1
5PF
C9
6
6
N
C
/1
5PF
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
1
2
3
POWER_LED
LINK_LED
POWER_LED
POWER_LED_CON
LINK_LED
LINK_LED_CON
LINK KEY
POWER_KEY
D
D
RESET_AMP
AMP_SDA
AMP_SDA
AMP_SCL
SUB_DATA
SUB_DATA
SUB_LRCK
SUB_BCK
1/2power-control
SUB_BCK
1/2power-control
SUB_MCLK
AMP_FAULT
AMP_MUTE1
AMP_MUTE1
POWER_LED_CON
LINK_LED_CON
LINK_LED_CON
POWER_KEY
LINK KEY
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