Sharp ER-A420 - Page 29

ER-A410/ER-A420 CIRCUIT DIAGRAM AND PWB LAYOUT
– 27 –
/JPFA /JPFB /JPFC
JAS JBS JCS
FB2
FB3
FB4
FB5
2 4 6 8
11
0
3 5 7 9
IC30
STA471A
VCC
TM1 TM
R99 18KF
R100
4.7K
FB1
EFCB322513TS
C97
100pF
C98
0.1uF
/RPFA /RPFB /RPFC /RPFD
/JPFDJDS
RAS
RBS
RCS RDS
FB6
FB7
FB8
FB9
2 4 6 8
11
0
3 5 7 9
IC31
STA471A
EFCB322513TS(FB2-FB9)
R108
1K
P91
/S3
C100
1000pF
Q7
KRC111S
D8
1SS355
PHUPS
VCC
R109
1K
FB12
EFCB322513TS
VH
R101 20K
+24V
VJCOM
FB13
EFCB322513TS
FB14
EFCB322513TS
FB15
EFCB322513TS
C101
10uF/50V
+24V
R104 5.6K
R105
10K
Q3 C2412K
Q4
MTD2955V
R110
10K
F4
T1.6A/250V(LT-5)
C104
2200uF/35V
R112 (47K)
G
S D
/JPES /RPES
VREF
VHCOM
FB10
EFCB322513TS
FB11
EFCB322513TS
/RES
VCC VCC
+24V
R102 4.7K
3 2
1
4 8
IC28A
BA10393F
R106 100K
C95 0.1uF
R107 100K
C96 0.1uF
+24V
P91 P91
/S2 /S4
5 6
7
4 8
IC28B BA10393F
C102
330pF
C103
330pF
Q5
KRC111S
Q6
KRC111S
R111 4.7K
D9
1SS355
D10
1SS355
VCC
R103 240
C99
1000pF
1 3
2
IC29
KIA431F
VRCOM
A B
C D
8 7 6 5 4
3
2 1
12345678
D C
B A
TPDRV
7/7