Olivetti d-Copia 3500MF Service Manual page 484

Connector Pin
YC7
1
Connected to 2
operation
PWB 2
3
4
5
6
7
8
9
10
11
12
YC8
1
Connected to 2
operation
3
PWB 3
4
YC11
1
Connected to 2
speaker
YC14
1
Connected to 2
LCD
3
4
Service Manual
Signal I/O
SCAN4
KEY5
KEY6
KEY7
SCAN0
SCAN1
SCAN2
SCAN3
LED2
LED3
LED4
GND
PROCESSING_L
ED
MEMORY LED
ATTENTION_LED
GND
VO2
VO1
LED_A
NC
LED_C
NC
Voltage
O 0/3.3 V DC (pulse) Scan signal 4
I 0/3.3 V DC (pulse) Operation panel key scan return sig-
I 0/3.3 V DC (pulse) Operation panel key scan return sig-
I 0/3.3 V DC (pulse) Operation panel key scan return sig-
O 0/3.3 V DC (pulse) Scan signal 0
O 0/3.3 V DC (pulse) Scan signal 1
O 0/3.3 V DC (pulse) Scan signal 2
O 0/3.3 V DC (pulse) Scan signal 3
O 0/3.3 V DC (pulse) Operation panel LED display drive
O 0/3.3 V DC (pulse) Operation panel LED display drive
O 0/3.3 V DC (pulse) Operation panel LED display drive
- -
O 0/3.3 V DC
O 0/3.3 V DC
O 0/3.3 V DC
- -
O Analog
O Analog
O 0/3.3 V DC
- -
I 0/3.3 V DC
- -
2-3-42
Description
nal 5
nal 6
nal 7
signal 2
signal 3
signal 4
Ground
Processing LED control signal
Memory LED control signal
Attention LED control signal
Ground
Speaker sound signal (+)
Speaker sound signal (-)
LED control signal
Not used
LED control signal
Not used
2LL/2LJ/2LH
Y113350-5