Olivetti d-Copia 1600 Service Manual page 200

2HA/2HB
Connector Pin No.
YC1 1
Connected 2
to the main
3
PWB
4
5
6
7
8
9
10
YC2 1
Connected 2
to the main
3
PWB
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
2-3-16
Signal I/O
SCAN0N I
SCAN1N I
SCAN2N I
SCAN3N I
SCAN4N I
SCAN5N I
SCAN6N I
SCAN7N I
BUZERDRN I
+5 V I
KEY4 O
KEY3 O
KEY2 O
KEY1 O
KEY0 O
LED12 I
LED11 I
LED10 I
LED9 I
LED8 I
LED7 I
LED6 I
LED5 I
LED4 I
LED3 I
LED2 I
LED1 I
LED0 I
Key switch scan signal 0
Key switch scan signal 1
Key switch scan signal 2
Key switch scan signal 3
Key switch scan signal 4
Key switch scan signal 5
Key switch scan signal 6
Key switch scan signal 7
OPWB buzzer signal
5 V DC power supply from MPWB
Key switch return signal 4
Key switch return signal 3
Key switch return signal 2
Key switch return signal 1
Key switch return signal 0
LED lighting selection signal 12
LED lighting selection signal 11
LED lighting selection signal 10
LED lighting selection signal 9
LED lighting selection signal 8
LED lighting selection signal 7
LED lighting selection signal 6
LED lighting selection signal 5
LED lighting selection signal 4
LED lighting selection signal 3
LED lighting selection signal 2
LED lighting selection signal 1
LED lighting selection signal 0
Description