Olivetti ECR 7900 Service Manual page 106

1 2
D
IC1
2
V
C
B
A
1 2
100 ECR 7900 Service Manual
3 4
CN1
B8B-PH-K-S
VF1
R1 D1
100k
1N4148
1 RESET#
O
+ EC1
C1
*S- 80845ANY
1uF/50V 0.1uF
C3
1000pF
C4
1000pF
C5
1000pF
-Vpw
DG1
10- LY-01G
3 4
Y108540-8
5
Main Board
VCC
EC2
10uF/16V
RM1
C2
100kx6
0.1uF
C6
22pF
IC2
12 44
CS VDD
13 43
SIN SEG0
14 42
SOUT SEG1
15 41
SCLK SEG2
16 40
VEE SEG3
17 39
VEE SEG4
18 38
DIG0 SEG5
19 37
DIG1 SEG6
20 36
DIG2 SEG7
21 35
DIG3 SEG8
22 34
DIG4 SEG9
PT6355
* Mark not used.
5
6 7
VF2
6 7
8
D
C
B
A
8