Sharp ER-A440 - Manual (Page 34)

8
7
6
5
4
3
2
1
A B C D
1
2
3
4
5
6
7
8
D C B A
VC
H
+5V VD
D
C205 1000uF
D4
1SR154-400
D3
1SR154-400
ZD1 P
TZ6.2A
R8 180
L2
220uH
D2 S
F
PL-52
R5 10
R6 3.
6KF
POWER SUPPLY(MAIN PWB)
Q2
C4153
HE
AT S
INK
5
6
1
2
3
4
IC2
KA34063A
1 2
CN1
PS
C
N
F1
FUS
E
FROM
PS
P
W
B
+24V GND
C2 220P
R7 1KF
100U/
50V
C1 0.
1uF
50V
VB
T
16V
C206 330uF/16V
C207 330uF/16V
C120
0.
1uF/
50V
2 1
CN2 BT
CN
BT
1
BA
T
T
E
R
Y
R216
150
+5V
R9 2.
7K
+24V
<P-OFF CIRCUIT>
D7
1SS353
R12
8.
2KG
R13 15KG
R11 2.
7K
R10 56K
+24V
+24V
+5V
+5V
+24V
TP
VR
1
200K
<DOT PULSE ADJ>
D5
1SS353
1 2
D6 E1
02
5 6
7
8 4
IC3B
KI
A393
F
R18
130KF
R17 2K
R16 62K
R15 3.
3K
TRG
3-8D
Q3 KRC106S
PE
3-4D
C4
10000P
ZD3 UDZ4.
3B
3 2
1
8 4
IC3A
KI
A393
F
C208
1u/
50V
R14 9.
1KG
ZD2 UDZ5.
1B
/P0FF
3-8C
C3 1000P
1/10
CHAPTER 8. CIRCUIT DIAGRAM & PWB LAYOUT 1. MAIN PWB CIRCUIT DIAGRAM
8 – 1