
8 – 13
8
7
6
5
4
3
2
1
A
B
C
D
1
2
3
4
5
6
7
8
D
C
B
A
+24V
HEAT SINK
Q1
KTD998
L1
180uH
PS PWB
2
1
CN17
CAR BT CN
POWER UNIT
CORE
1
2
CN1
PS CN
4
1
2
3
BD1
CP301
C6
3300UF
50V
(C2)
(4700UF)
(50V)
C5
3300UF
50V
C1
M0.033u
F1
SEMKO T2.5AL/250V
6,8PIN:NC
D1
PS156R
1
5
7
3
4
2
IC1
LM2574HVN
R2
10
C3
22UF/50v
R1
18K
+24V
GND
2
1
TO MAIN PWB
R4
1.2KF
R3
22KF
C4
2200uF/50V
1/1
Summary of Contents for ER-A450
Page 51: ...MAIN PWB LAYOUT 1 SIDE A 8 15 ...
Page 52: ... 2 SIDE B 8 16 ...
Page 53: ...PS PWB FRONT DISPLAY PWB POP UP DISPLAY PWB 8 17 ...