Olivetti d-Color MF2001 Service Manual page 311

Connector Pin
38
YC4
Connected to 39
LCD relay
40
PWB
1
YC9
Connected to 2
operation
3
panel PWB
4
left
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Y113010-4
Signal I/O
3.3V O
3.3V O
3.3V O
A_LED O
M_LED O
P_LED O
KEY4 I
INT_POWER O
KEY_N
KEY3 I
KEY2 I
KEY1 I
LED1 O
3.3V0 O
LED0 O
KEY0 I
SCAN4 O
SCAN3 O
SCAN2 O
SCAN1 O
SCAN0 O
GND -
Voltage
3.3 V DC 3.3 V DC power output to LCDRPWB
3.3 V DC 3.3 V DC power output to LCDRPWB
3.3 V DC 3.3 V DC power output to LCDRPWB
0/3.3 V DC Memory LED control signal
0/3.3 V DC Attention LED control signal
0/3.3 V DC Processing LED control signal
0/3.3 V DC(pulse) Operation panel key scan return signal 4
0/5 V DC Power key: On/Off
0/3.3 V DC(pulse) Operation panel key scan return signal 3
0/3.3 V DC(pulse) Operation panel key scan return signal 2
0/3.3 V DC(pulse) Operation panel key scan return signal 1
0/3.3 V DC(pulse) Operation panel LED display drive signal
1
3.3V DC 3.3 V DC power output to OPPWB-L
0/3.3 V DC(pulse) Operation panel LED display drive signal
0
0/3.3 V DC(pulse) Operation panel key scan return signal 0
0/3.3 V DC(pulse) Scan signal 4
0/3.3 V DC(pulse) Scan signal 3
0/3.3 V DC(pulse) Scan signal 2
0/3.3 V DC(pulse) Scan signal 1
0/3.3 V DC(pulse) Scan signal 0
- Ground
2-3-29
2KZ/2K0
Description
Sevice Manual