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