Read Sony SA-WCT180 Service Manual online
SA-WCT180
SA-WCT180
19
19
3-11. SCHEMATIC DIAGRAM - POWER Board -
• See page 20 for IC Block Diagrams.
A
3
6
E
2
D
5
B
C
7
1
4
POWER BOARD
1
2
1
2
3
4
1
4
2
3
3
5
6
1
2
8
12
9
11
1
4
2
3
1
2
3
4
5
6
3
1
2
1
2
3
1
2
4
3
4
6
7
1
3
11
8
9
12
2
1
3
4
C534
0.1uF/50V/X7R
C534
0.1uF/50V/X7R
CY503
NC/220pF/250VAC
NC/220pF/250VAC
CY503
NC/220pF/250VAC
NC/220pF/250VAC
R543 100K
R543 100K
R570 0
R570 0
CN501
2PIN/7.92mm
CN501
2PIN/7.92mm
R502D
1M
R502D
1M
FB503
NC/FB90@100MHz
FB503
NC/FB90@100MHz
FB501
FB90@100MHz
FB501
FB90@100MHz
R536
2M/5%
R536
2M/5%
C549
0.1uF/50V/X7R
C549
0.1uF/50V/X7R
R542
1.5K
R542
1.5K
R531
NC
NC
R531
NC
NC
47uF/35V
CE531
47uF/35V
CE531
CY506
1000pF/250VAC
CY506
1000pF/250VAC
CN502
4PIN/2.5mm
4PIN/2.5mm
CN502
4PIN/2.5mm
4PIN/2.5mm
C535 220pF/50V/X7R
C535 220pF/50V/X7R
R541
680
R541
680
R502A
1M
R502A
1M
U531
TOP256EN
U531
TOP256EN
R565
22
22
R565
22
22
ZD531
12V
ZD531
12V
LIF501
LIF4-22-15
LIF501
LIF4-22-15
CY507
nc/470pF/250VAC
CY507
nc/470pF/250VAC
D533
NC/MUR420/4A/200V
D533
NC/MUR420/4A/200V
ZD532
27V
ZD532
27V
R533
0
0
R533
0
0
R534
47K/2W
R534
47K/2W
T5311
NC/ER28
NC/ER28
T5311
NC/ER28
NC/ER28
R510
NC/10
R510
NC/10
R502B
1M
R502B
1M
LIF502
NC/LIF4-22-15
LIF502
NC/LIF4-22-15
TR501
NTC/3ohm/5A
TR501
NTC/3ohm/5A
ZD534
NC/BZX79C24
ZD534
NC/BZX79C24
R540
0
0
R540
0
0
R557
20k
20k
R557
20k
20k
CY502
470pF/250VAC
470pF/250VAC
CY502
470pF/250VAC
470pF/250VAC
C536
100pF/1KV
C536
100pF/1KV
R544
75
R544
75
CY501
470pF/250VAC
470pF/250VAC
CY501
470pF/250VAC
470pF/250VAC
NC/MUR420/4A/200V
NC/MUR420/4A/200V
C533
2200pF/1KV
C533
2200pF/1KV
CN503
6PIN/2.5mm/120mm
CN503
6PIN/2.5mm/120mm
FB502
FB90@100MHz
FB502
FB90@100MHz
R532
NC
NC
R532
NC
NC
R569 0
R569 0
C531
4700pF/1KV
C531
4700pF/1KV
R539
100
R539
100
U533
AS431
U533
AS431
R537
2M/5%
2M/5%
R537
2M/5%
2M/5%
CX501
0.33uF/275VAC
CX501
0.33uF/275VAC
D538
SB20A200
D538
SB20A200
C532
0.1uF/50V/X7R
C532
0.1uF/50V/X7R
47uF/35V
CE532
47uF/35V
CE532
D531
FR207/2A/1000V
FR207/2A/1000V
D531
FR207/2A/1000V
FR207/2A/1000V
100uF/450V
CE502
100uF/450V
CE502
D532
FR104/1A/400V
D532
FR104/1A/400V
U532
LTV-817S-B
U532
LTV-817S-B
R538
5.6
5.6
R538
5.6
5.6
820uF/50V
CE533
820uF/50V
820uF/50V
CE533
T5311-1
EF25
EF25
T5311-1
EF25
EF25
R546
30k
R546
30k
BD1
KBP306
BD1
KBP306
F501
T3.15A 250V
F501
T3.15A 250V
RV501
VDR/560V
RV501
VDR/560V
R502C
1M
R502C
1M
++
C
S
D
V
F
CONTROL
X
C
S
D
V
F
CONTROL
X
++
++
++
-
+
-
+
Alternative
1.18V
2.18V
3.18V
4.GND
5.GND
6.GND
PG
HV
VDD
D
FB
HV
+18V
HV
GND
VDD
D
FB
PG
GND
+18V
1
2
1
2
3
4
D
P-GND
FB
VDD
N.C
A8
A10
A9
A10
1
2
3
4
5
6
D
P-GND
FB
VDD
N.C
A12
A9
A12
A13
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