Olivetti d-Copia 18MF Service Manual page 195

1
YC1
U3
YC2
1 2
Connector Pin No.
YC1
1
2
Connected
3
to the
4
scanner
5
PWB
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
YC2
1
2
Connected
to the
inverter
PWB
YC3
1
2
Connected
3
to the
scanner
home
position
sensor
Y104230-6
30
U8
Figure 2-3-17 CCD PWB silk-screen diagram
Signal I/O
GND -
GND -
GND -
SW I
SWN I
SH I
GND -
CPN I
GND -
RSN I
GND -
CCDCLK I
GND -
CCDCLKN I
GND -
GND -
GND -
CCDG(O) O
GND -
CCDB(E) O
GND -
CCDR O
+12 V I
+5 V I
+5 V I
HPSWN O
PGND -
PGND -
LAMP I
LAMP I
LAMP O
PGND -
GND -
HPSWN I
+5 V O
U6
U9
U4
Ground
Ground
Ground
Color/monochro control signal
Color/monochro control signal
CCD shift signal
Ground
CCD CP signal
Ground
CCD RS signal
Ground
CCD clock signal
Ground
CCD clock signal
Ground
Ground
Ground
Image data G (green) signal (analog)
Ground
Image data B (blue) signal (analog)
Ground
Image data R (red) signal (analog)
12 V DC power supply
5 V DC power supply
5 V DC power supply
Scanner home position sensor: On/Off
Ground
Ground
Exposure lamp: On/Off
Exposure lamp: On/Off
Exposure lamp: On/Off
Ground
Ground
Scanner home position sensor: On/Off
5 V DC power supply
Sevice Manual
Description
U7
2-3-23