Sharp ER-A450 Service Manual page 49

8 7
PS PWB
D
POWER UNIT
C
CORE
B
A
8 7
6
1
2
CAR BT CN
SEMKO T2.5AL/250V
BD1
4
CN1
F1
3
1
1
2
C1
M0.033u (C2)
PS CN
(4700UF)
2
(50V)
CP301
6
5 4
CN17
1
5 7
R1
IC1
18K 3
C6 4 2
C5
LM2574HVN
3300UF
3300UF
C3
50V 50V 6,8PIN:NC
22UF/50v
5 4
3 2
HEAT SINK
Q1
L1
KTD998
180uH
R2
R3
10
22KF
D1
PS156R C4
2200uF/50V
R4
1.2KF
2
3
1
1/1
D
+24V
C
1
+24V
2
GND
TO MAIN PWB
B
A
1