Kyocera TASKalfa 2550ci - Page 478

2MV
2-3-43
YC4
38 3.3V O
3.3 V DC 3.3 V DC power output to LCD
Connected to
LCD
39 3.3V O
3.3 V DC 3.3 V DC power output to LCD
40 3.3V O
3.3 V DC 3.3 V DC power output to LCD
YC5
1BOT Y- I
Analog Touch panel Y- position signal
Connected to
touch panel
2 LEFT X+ I
Analog Touch panel X+ position signal
3 TOP Y+ I
Analog Touch panel Y+ position signal
4 RIGHT X- I
Analog Touch panel X- position signal
YC6
1 KEY4 I
0/3.3 V DC (pulse) Operation panel key scan return signal 4
Connected to
operation
panel PWB
sub
2 SCAN2 O
0/3.3 V DC (pulse) Scan signal 2
3INT_POWER
KEY_N
I
0/3.3 V DC Power key: On/Off
4 SCAN1 O
0/3.3 V DC (pulse) Scan signal 1
5LED1 O
0/3.3 V DC (pulse) Operation panel LED display drive signal
1
6 SUPND_POW
ER
O
3.3 V DC 3.3 V DC power output to OPWB2
7 KEY3 I
0/3.3 V DC (pulse) Operation panel key scan return signal 3
8 KEY2 I
0/3.3 V DC (pulse) Operation panel key scan return signal 2
9 KEY1 I
0/3.3 V DC (pulse) Operation panel key scan return signal 1
10 LED0 O
0/3.3 V DC (pulse) Operation panel LED display drive signal
0
11 KEY0 I
0/3.3 V DC (pulse) Operation panel key scan return signal 0
12 SCAN4 O
0/3.3 V DC (pulse) Scan signal 4
13 SCAN3 O
0/3.3 V DC (pulse) Scan signal 3
14 SCAN0 O
0/3.3 V DC (pulse) Scan signal 0
15 GND -
- Ground
16 GND -
- Ground
17 GND -
- Ground
18 GND -
- Ground
19 GND -
- Ground
20 GND -
- Ground
Connector Pin Signal I/O Voltage Description