Read Sharp ER-A450S (serv.man3) Service Manual online
8
7
6
5
4
3
2
1
A
B
C
D
1
2
3
4
5
6
7
8
D
C
B
A
12/12
/DTR1
TXD1
RCV
DT1
/DTR1
TXD1
RCV
DT1
/RTS1
/RTS1
VCC
VCC
C311
0.1
U
C292
0.1
U
C309
0.1
U
C1+
12
C1-
14
C2+
15
C2-
16
T1I
N
7
T2I
N
6
T3I
N
20
T4I
N
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
IC31
MA
X21
1
C293
0.1
U
C308
0.1
U
C312
10
uF/50
V
/RS1
/ER1
/SD1
/RD1
/RS1
/ER1
/SD1
/RD1
FB22
FB20
FB19
FB18
R357
/ER1
/SD1
/RD1
/CD1
/CI11
/CS11
/RS1
/DR1
/ER1
/SD1
/RD1
/CD1
/CI11
/CS11
/RS1
/DR1
1
2
3
4
5
6
7
8
9
DRC
N2
1
2
3
4
5
6
7
8
9
CN24
CO
N9
5
9
4
8
3
7
2
6
1
RSC
N
2
DSU
B
9
/CI11
/ER1
/CS11
/SD1
/RS1
/RD1
/DR1
/CD1
/CD1
/DR1
/DR1
/CD1
VCC
10
0 X 5
/CI11
/CI11
/CS11
/CS11
C307
10
00P*5
FB17
FB31
FB21
FB30
SW3
80
6P
ICP1
0.5
A
R356
R358
R359
R360
C304
C303
C305
C306
/DCD1
/CI1
/DSR1
/CTS1
/DCD1
/DSR1
/CTS1
/CI1
RS232C CONNECTORR (RSCN2)
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