Sharp ER-A420 - Page 27

ER-A410/ER-A420 CIRCUIT DIAGRAM AND PWB LAYOUT
– 25 –
VH +24V
+24V
with FUSE
R1 22KF R2 1.2KF
D2
RB160L-60
R5 (5.6K)
C7
2200uF/50V
R8 10(FUSE R)
L2
180uH Chock
Q16:HEAT SINK
Q1
KTD998
BD1
CP301
C6
4700uF/50V
1
TP2 VO
D3
1SR159-200
F3 T2.0A/250V(LT-5)
C11
100uF/50V
:V
:U,A,J
1
5 7
342
IC2
LM2574HVN
*V:0ohm
for EUROPE
USA +20% INPUT & NO LOAD: VOUT<=40V
POWER TRANS2 220V-230V 120V
C1
MYLOR 0.033uF
1 2
CN1
PS CN(2Pin)5273-02A
*U,A,J:UL,CSA T3.15AL/125V
F2 SEMCO T2.5AL/250V
(WITH HOLDER)
6,8pin:N.C
IC31:HEAT SINK
C10
0.1uF
VCC +5VVCC +5V
VLEDVLED
1 2
CN3
(5267-02A)
EFT PWB:GND
1 2
CN2
BT CN(2Pin)5267-02A(BLUE)
VCC
VDD
VLED +5.8V
ZD1
PTZ6.2A
R3
3KF
R4
1KF
C4
1000uF
/16V
C5
330uF
/16V
C8
0.1uF
R6
180
R7
150
C9
47uF
/16V
1
TP1 VBAT
D4
1SR159-200
D5
1SR159-200
IPEAK>2.2A
1 42
5
3
IC1 PQ1CG2032FZ
D1
RB060L40
C2
220uF/50V
C3
0.01uF
F1
T1.0A/250V(LT-5)
L1
180uH Chock
+24V
A B
C D
8 7 6 5 4
3
2 1
12345678
D C
B A
POWER
5/7