Service manual

ER-A410U/ER-A420U CIRCUIT DIAGRAM AND PWB LAYOUT
– 20 –
A B
C D
87654
3
21
12345678
D C
B A
6,8pin:N.C
VCC +5VVCC +5V VLED +5.8V
with FUSE
VH +24V
Q1:HEAT SINK
IC1:HEAT SINK
VLED
VCC
VDD
+24V
+24V
Q1
KTD998
+
C9
47uF
/16V
POWER TRANS1
120V
F2 UL,CSA T3.15AL/125 V
(WITH HOLDER)
IC2
LM2574HVN
1
5 7
3
4
2
L2
180uH Chock
+
C5
330uF
/16V
D1
RB060L40
ZD1 PTZ6.2A
TP1 VBAT
1
CN2
BT CN(2Pin)5267-02A(BLUE)
1 2
D2
RB160L- 60
R1 22KF
R4
1KF
R3
3KF
CN1
PS CN(2Pin)5273-02A
1 2
TP2 VO
1
L1
180uH Chock
F3 T2.0A/250V
D4
1SR159- 200
R8 10(FUSE R)
R2 1.2KF
+
C2
220uF/50V
+
C11
100uF/50V
C3
0.01uF
IC1
PQ1CG2032 FZ
1
4
2 5
3
+
C6
4700uF/50V
F1
T1.0A/250V
+
C7
2200uF/50V
C1
MYLOR 0.033uF
+
C4
1000uF
/16V
R7
150
D5
1SR159-200
C8
0.1uF
C10
0.1uF
R6
180
-+
BD1
CP301
MAIN PWB POWER SUPPLY
1/7
CHAPTER 7. CIRCUIT DIAGRAM AND PWB LAYOUT