
8 – 10
8
7
6
5
4
3
2
1
A
B
C
D
1
2
3
4
5
6
7
8
D
C
B
A
+5V
/CD
/DR
RD
/RS
SD
/CS
/ER
/CD
1
/DR
2
RD
3
/RS
4
SD
5
/CS
6
/ER
7
/CI
8
+5V
9
GND
10
CN21
RS CN
+5V
RS232C
C251
0.1U
/RSS
/ERS
TXD
/CDS
RXD
/RI
/DRS
/CSS
2-1C
2-1C
2-1B
2-1B
2-1B
2-1B
2-1B
2-1B
C1+
12
C1-
14
C2+
15
C2-
16
V+
13
V-
17
T1IN
7
T2IN
6
T3IN
20
T4IN
21
R1OUT
8
R2OUT
5
R3OUT
26
R4OUT
22
R5OUT
19
/EN
24
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
IC27
MAX211
C252
0.1U
C253
0.1U
C255
0.1U
C254
0.1U
R334
R335
R336
R337
R338
100X5
/CI
FB1
FB2
FB3
FB4
FB5
FB6
FB7
FB8
/RS
/ER
SD
RD
/CD
/CI
/DR
/CS
C247
C248
C249
C250
1000PX5
C246
10/10
Summary of Contents for ER-A450
Page 51: ...MAIN PWB LAYOUT 1 SIDE A 8 15 ...
Page 52: ... 2 SIDE B 8 16 ...
Page 53: ...PS PWB FRONT DISPLAY PWB POP UP DISPLAY PWB 8 17 ...