Sony SA-WCT180 Service Manual ▷ View online
SA-WCT180
SA-WCT180
13
13
For Schematic Diagrams.
Note:
• All capacitors are in
• All capacitors are in
μF unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in
Ω and 1/4 W or less unless otherwise
specifi ed.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
For Printed Wiring Boards.
Note:
•
•
: Pattern from the side which enables seeing.
(The other layers’ patterns are not indicated.)
MAIN board
WIRELESS board
KEY board
POWER board
LED board
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
Note:
The components identi-
fi
The components identi-
fi
ed by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specifi ed.
cal for safety.
Replace only with part
number specifi ed.
Note:
Les composants identifi és
par une marque 0 sont
critiques pour la sécurité.
Ne les remplacer que par
une pièce portant le nu-
méro spécifi é.
Les composants identifi és
par une marque 0 sont
critiques pour la sécurité.
Ne les remplacer que par
une pièce portant le nu-
méro spécifi é.
• Circuit Boards Location
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
SA-WCT180
SA-WCT180
15
15
3-3. SCHEMATIC DIAGRAM - MAIN Board (2/3) -
• See page 20 for IC Block Diagrams.
A
3
8
6
E
2
D
5
B
C
7
1
4
(2/3)
MAIN BOARD
Close to U2_EUP3482A
Power-derating OP
POWER_18V
STB_5V
POWER_18V
PVDD
STB_5V
STB_3V3
STB_3V3
SYS_3V3
POWER_18V
STB_5V
SYS_5V
1
2
3
4
5
6
1
2
3
5
6
4
8
7
1
4
3
5
2
C7
100nF
C7
100nF
R4
51K/1%
R4
51K/1%
XS1
6PIN/2.5mm/40mm
XS1
6PIN/2.5mm/40mm
R183
10K
10K
R183
10K
10K
R218
0
R218
0
C17
N
C
/100nF
C17
N
C
/100nF
L4
10uH/1A
L4
10uH/1A
C184
2.2uF
C184
2.2uF
C296
NC/
100pF/
5
0V/
NP0
C296
NC/
100pF/
5
0V/
NP0
C183
2.2uF
C183
2.2uF
C84
NC/100nF
C84
NC/100nF
Q20
NC/NPN_3DG3904M
Q20
NC/NPN_3DG3904M
R190
15K
R190
15K
100U
F/
25V
CE20
100U
F/
25V
CE20
C36
100nF
C36
100nF
Q547
NC/PNP_MMBT8550C
Q547
NC/PNP_MMBT8550C
C3
0.
1uF
C3
0.
1uF
R26
NC/0
R26
NC/0
R170
47K/1%
R170
47K/1%
C18
N
C
/100nF
C18
N
C
/100nF
R1
56
56
R1
56
56
C4
330pF
C4
330pF
C1
N
C
/100nF
C1
N
C
/100nF
R193
NC/10K
R193
NC/10K
C152
NC/330pF
C152
NC/330pF
R5
47K
R5
47K
C77
100nF
C77
100nF
R6
22K
22K
R6
22K
22K
R11
7.5K
7.5K
R11
7.5K
7.5K
R102
NC/56
R102
NC/56
R13 NC/4.7K
R13 NC/4.7K
C76
100nF
C76
100nF
R192
NC/30K
R192
NC/30K
D
542
NC
D
542
NC
U2
EUP3482ADIR1
U2
EUP3482ADIR1
C13
100nF
C13
100nF
U8
TJ4203GSF5-ADJ
U8
TJ4203GSF5-ADJ
C6
10NF
C6
10NF
R194
NC/10K
R194
NC/10K
R12
11K
R12
11K
100uF/
16V
CE3
100uF/
16V
CE3
C
201
1uF/
50V/
X
7
R
C
201
1uF/
50V/
X
7
R
C
83
10uF/
1
0V/
X
X
7
R
C
83
10uF/
1
0V/
X
X
7
R
C33
N
C
/2.
2uF
C33
N
C
/2.
2uF
FB19
300/2A
FB19
300/2A
C14
3300pF//50V/X7R
C14
3300pF//50V/X7R
++
++
1
2
3
4
5
6
BS
IN
SW
FB
COMP
GND
SS
EN
VIN
ADJ/SENSE
EN
VOUT
GND
300mA 2.5V-6V
0.8*(47+15)/15=3.3v
45mA
D
D
D
D
D
D
D
D
D
D
LINK_LED_CON
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.
Click on the first or last page to see other SA-WCT180 service manuals if exist.