Olivetti d-Copia 3003MF Service Manual page 237

5
6
Connector Pin
YC101 1
Connected to 2
the power
3
source PWB
YC102 1
Connected to 2
the control
PWB
3
4
5
6
7
8
9
10
11
12
13
14
15
Service Manual
1
2
YC103
Figure 2-3-6 Scanner PWB silk-screen diagram
Signal I/O
+24V1 O
N.C. -
GND -
SEGIR O
SSDIR O
SSBSY O
SEGSI I
SSCKN I
SEGSO O
PAGESET I
OVMONOUT I
CPURDY I
CPUSEL O
CPUSO I
CPUSI O
CPUCLK O
+3.3V1 I
GND -
7 1
YC106
YC107
5 1
Voltage
24 V DC 24 V DC power source
- Not used
- Ground
0/3.3 V DC Serial communications interruption
demand
0/3.3 V DC Serial communications trans./recep.
change
0/3.3 V DC Impossible transmission/Completion
notice
0/3.3 V DC (pulse) Serial communications data output
0/3.3 V DC (pulse) Serial communications clock
0/3.3 V DC Vertical synchronizing signal
0/3.3 V DC Vertical synchronizing monitor signal
0/3.3 V DC Communications ready signal
0/3.3 V DC Communications ready signal
0/3.3 V DC Communications select signal
0/3.3 V DC (pulse) Serial communications data input
0/3.3 V DC (pulse) Serial communications data output
0/3.3 V DC (pulse) Serial communications clock signal
3.3 V DC 3.3 V DC power source
- Ground
2-3-12
2MH/2MJ/2MK/2ML
1 6
4 1
YC104
YC108
YC105
9 1
10 2
Description
Y113860-1