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SA-WCT180
SA-WCT180
16
16
3-4. SCHEMATIC DIAGRAM - MAIN Board (3/3) -
A
3
8
6
E
2
9
D
5
B
C
7
1
4
(3/3)
MAIN BOARD
4.7K => 2.7K
10 => 33
4V => 3.5V
SUB+
SUB-
+3.3VD1
+3.3VD2
+3.3VD2
+3.3VD1
SYS_3V3
PVDD
+3.3VD1
+3.3VD2
SYS_5V
+3.3VD1
+3.3VD2
AMP_18V
+3.3VD1
+3.3VD1
+3.3VD1
+3.3VD1
1
2
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
3
2
1
84
Power Derating Circuit
C7
0
1000pF/
50V/
X
7R
C7
0
1000pF/
50V/
X
7R
R47
4.7K
4.7K
R47
4.7K
4.7K
R179
NC/1.8K
R179
NC/1.8K
Q756
PNP_3CG3906M
Q756
PNP_3CG3906M
C43
330pF
C43
330pF
C3
9
1uF
C
39
1uF
FB17
70/3A
FB17
70/3A
C7
1
1000pF/
50V/
X
7R
C7
1
1000pF/
50V/
X
7R
C3
8
0.
1uF
C
38
0.
1uF
R180
NC/2.4K
NC/2.4K
R180
NC/2.4K
NC/2.4K
C41
1000pF/50V/X7R
C41
1000pF/50V/X7R
C530
10uF/16V/X7R
C530
10uF/16V/X7R
R178
NC/560
R178
NC/560
R187
NC/2.7K
R187
NC/2.7K
C5
6
1000pF/
50V/
X
7R
C
56
1000pF/
50V/
X
7R
C
53
680pF
C
53
680pF
C5
1
0.
22
ȝ
FC
51
0.
22
ȝ
F
C6
4
4
10PF/
50V/
N
PO
C6
4
4
10PF/
50V/
N
PO
R182
NC/7.5K
NC/7.5K
R182
NC/7.5K
NC/7.5K
C7
4
4
10PF/
50V/
N
PO
C7
4
4
10PF/
50V/
N
PO
C40
0.1uF
C40
0.1uF
CE8
100uF/16V
CE8
100uF/16V
C52
0.1uF
C52
0.1uF
R6
4
NC/0
R
64
NC/0
C62
33pF/
50V/
N
P0
C62
33pF/
50V/
N
P0
C65
0.1uF
C65
0.1uF
FB32
500/200mA
FB32
500/200mA
R188
NC/8.2K
R188
NC/8.2K
C47
0.
01uF/
50V/
X7R
C47
0.
01uF/
50V/
X7R
R185
33
R185
33
C5
7
7
0.
1uF
C5
7
7
0.
1uF
R85 4.7K
R85 4.7K
C42
0.1uF
C42
0.1uF
D4
NC/LL4148
D4
NC/LL4148
R
60
10K
R
60
10K
C60
330pF
C60
330pF
R58
10K
R58
10K
R68
0
R68
0
R775
220K
R775
220K
C49
0.1uF
C49
0.1uF
C54
4700pF
C54
4700pF
C769
0.22UF/50V/Y5V
C769
0.22UF/50V/Y5V
C44
0.1uF
C44
0.1uF
C6
3
3
10PF/
50V/
N
PO
C6
3
3
10PF/
50V/
N
PO
C37
0.1uF
C37
0.1uF
L2
10uH/5A
L2
10uH/5A
C
160
N
C
/1uF/
50V/
X
7R
C
160
N
C
/1uF/
50V/
X
7R
R49
33
R49
33
XP8
2PIN/7.92mm
2PIN/7.92mm
XP8
2PIN/7.92mm
2PIN/7.92mm
C6
6
1000pF/
50V/
X
7R
C
66
1000pF/
50V/
X
7R
R487
10K
R487
10K
R55
22
/5%
R55
22
/5%
C1
6
N
C
/2.
2uF
C1
6
N
C
/2.
2uF
R6
5
NC/0
R
65
NC/0
R184
NC/4.7K
NC/4.7K
R184
NC/4.7K
NC/4.7K
FB16
70/3A
FB16
70/3A
R486
4.7K
R486
4.7K
U6
STA369BWS
U6
R59
2.2K
R59
2.2K
R488
10K
R488
10K
NC/100uF/16V
CE19
NC/100uF/16V
CE19
Q24
NPN_3DG3904M
NPN_3DG3904M
Q24
NPN_3DG3904M
NPN_3DG3904M
R63
0
R63
0
R782
100
100
R782
100
100
NC/47uF/25V
CE17
NC/47uF/25V
CE17
C
159
1uF/
50V/
X
7R
C
159
1uF/
50V/
X
7R
R186
NC/1.2K/1%
NC/1.2K/1%
R186
NC/1.2K/1%
NC/1.2K/1%
R84 4.7K
R84 4.7K
C5
0
0.
22
ȝ
FC
50
0.
22
ȝ
F
L3
10uH/5A
L3
10uH/5A
R88 4.7K
R88 4.7K
C86
NC/100nF
C86
NC/100nF
C85
NC/100nF
C85
NC/100nF
C61
33pF/
5
0V/
NP0
NP0
C61
33pF/
5
0V/
NP0
NP0
R783
100K
R783
100K
R62
22
22
/5%
R62
22
22
/5%
C68
47pF/
50V/
N
P0
C68
47pF/
50V/
N
P0
U15A
NC/F4558
U15A
NC/F4558
R776
220K
220K
R776
220K
220K
R6
7
NC/0
R
67
NC/0
C
55
0.
1uF
C
55
0.
1uF
C
226
1000pF/50V/NP0
C
226
1000pF/50V/NP0
C45
0.1uF
C45
0.1uF
C
227
1000pF/
5
0V/
N
N
P0
C
227
1000pF/
5
0V/
N
N
P0
Q5
N
P
N
_3D
G
3904M
Q5
N
P
N
_3D
G
3904M
FB33
500/200mA
FB33
500/200mA
C5
8
0.
1uF
C
58
0.
1uF
Q757
PNP_3CG3906M
Q757
PNP_3CG3906M
C88
100nF
C88
100nF
R6
6
NC/0
R
66
NC/0
R48
33
R48
33
CE9
470uF/
35V
CE9
470uF/
35V
C207
0.1uF
C207
0.1uF
R69 4.7K
R69 4.7K
R52
6.2
R52
6.2
R54
6.2
R54
6.2
R53
33
R53
33
C4
8
8
10PF/
50V/
N
PO
C4
8
8
10PF/
50V/
N
PO
C5
9
1uF
C
59
1uF
R781
220K
R781
220K
++
++
++
+
-
+
-
++
1
2
GND_SUB
SA
TEST_MODE
VSS
VCC_REG
OUT2B
GND2
VCC2
OUT2A
OUT1B
VCC1
GND1
OUT1A
GND_REG
VDD
CONFIG
OUT3B / FFX3B
OUT3A / FFX3A
EAPD / OUT4B
TWARN / OUT4A
VDD_DIG
GND_DIG
PWRDN
VDD_PLL
FILTER_PLL
GND_PLL
XTI
BICKI
LRCKI
SDI
RESET
INT_LINE
SDA
SCL
GND_DIG
VDD_DIG
GND
6mA
SUB+
SUB-
AMP_18V
AMP_MUTE
SUB+
AMP_RST
AMP_SCL
AMP_SDA
D
SUB_MCLK
SUB_BCK
SUB_LRCK
SUB_DATA
AMP_SCL
AMP_SDA
1/2power-control
AMP_FAULT
AMP_MUTE1
AMP_FAULT
RESET_AMP
• See page 20 for IC Pin Function Description.
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