Sharp ER-A420 - Page 28

ER-A410/ER-A420 CIRCUIT DIAGRAM AND PWB LAYOUT
– 26 –
1 2 3 4 5 6 7 8 9
CN11
RS232C CN(D-SUB 9Pin)87203-6066
VCC
EFCB322513TS X 8
C113 10uF/50V
FB26 FB27 FB28
VCC
C1+
12
C1-
14
C2+
15
C2-
16
T1IN
7
T2IN
6
T3IN
20
T4IN
21
R1OUT
8
R2OUT
5
R3OUT
26
R4OUT
22
R5OUT
19
/EN
24
V+
13
V-
17
T1OUT
2
T2OUT
3
T3OUT
1
T4OUT
28
R1IN
9
R2IN
4
R3IN
27
R4IN
23
R5IN
18
/SHDN
25
V C C
1 1
1 0
1 0
IC32
HIN211
C109
0.1uF
C110
0.1uF
C111
0.1uF
C112 0.1uF
C114 0.1uF
VCC
R124
10K
R125
10K
R126
10K
/RS1 /ER1 TXD1
P91
/S9
Q11
KRC111S
RXD1
/CD1 /DR1
/CTS1
D13
1SS355
C115 C116
1000pF*5
VCC
C120
0.1uF
C123 0.1uF
CI1
VCC
C117 C118 C119
R119 R120 R121 R122 R123
100ohm*5
FB29 FB30 FB31 FB32 FB33
F6
T500mA/250V(LT-5)
SP1
SHORT PIN
SHORT SOCKET(CI)
CD1 RD1 SD1 ER1 DR1 RS1 CS1 CI/+5V CD2 RD2 SD2 ER2 DR2 RS2 CS2 CI2
1 2 3 4 5 6 7 8 9
CN12
RS232C CN(D-SUB 9Pin)87203-6066
VCC
EFCB322513TS X 8
C124 10uF/50V
R127 R128 R129 R130 R131
100ohm*5
FB34 FB35 FB36 FB37 FB38 FB39 FB40 FB41
C1+
12
C1-
14
C2+
15
C2-
16
T1IN
7
T2IN
6
T3IN
20
T4IN
21
R1OUT
8
R2OUT
5
R3OUT
26
R4OUT
22
R5OUT
19
/EN
24
V+
13
V-
17
T1OUT
2
T2OUT
3
T3OUT
1
T4OUT
28
R1IN
9
R2IN
4
R3IN
27
R4IN
23
R5IN
18
/SHDN
25
V C C
1 1
1 0
1 0
IC33
HIN211
C121
0.1uF
C122
0.1uF
C125 0.1uF
R139 (47K)
R140 (47K)
R141 (47K)
RXD2 /DR2 /CI2 /CD2
/CTS2
VCC
R133 10K
R134 10K
R135 10K
R136 10K
R137 10K
R138 10K
VCC
R142 (47K)
/RS2
/ER2
TXD2
VCC
/EFTC
/EFTRS
/EFTER EFTSD
R132 10K
1A
2
1B
3
2A
5
2B
6
3A
11
3B
10
4A
14
4B
13
A/B
1
G
15
1Y
4
2Y
7
3Y
9
4Y
12
IC34 74HC157
C126 C127
1000pF*5
GND:8Pin
*IC34 VCC:16Pin
C128 C129 C130
A B
C D
8 7 6 5 4
3
2 1
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D C
B A
RS232
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