Kyocera TASKalfa 3050ci Service Manual page 541

Connector Pin
YC4
37 3.3V
Connected to 38 3.3V
LCD
39 3.3V
40 3.3V
YC5
1 BOT Y-
Connected to 2 LEFT X+
touch panel
3 TOP Y+
4 RIGHT X-
YC6
1 KEY4
Connected to 2 SCAN2
operation
3 INT_POWERKEY
PWB 2
_N
4 SCAN1
5 LED1
6 SUPND_POWER
7 KEY3
8 KEY2
9 KEY1
10 LED0
11 KEY0
12 SCAN4
13 SCAN3
14 SCAN0
15 GND
16 GND
17 GND
18 GND
19 GND
20 GND
Signal I/O
O 3.3 V DC
O 3.3 V DC
O 3.3 V DC
O 3.3 V DC
I Analog
I Analog
I Analog
I Analog
I 0/3.3 V DC (pulse) Operation panel key scan return sig-
O 0/3.3 V DC (pulse) Scan signal 2
I 0/3.3 V DC
O 0/3.3 V DC (pulse) Scan signal 1
O 0/3.3 V DC (pulse) Operation panel LED display drive
O 3.3 V DC
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) Operation panel LED display drive
I 0/3.3 V DC (pulse) Operation panel key scan return sig-
O 0/3.3 V DC (pulse) Scan signal 4
O 0/3.3 V DC (pulse) Scan signal 3
O 0/3.3 V DC (pulse) Scan signal 0
- -
- -
- -
- -
- -
- -
Voltage
3.3 V DC power to LCD
3.3 V DC power to LCD
3.3 V DC power to LCD
3.3 V DC power to LCD
Touch panel Y- position signal
Touch panel X+ position signal
Touch panel Y+ position signal
Touch panel X- position signal
nal 4
Power key: On/Off
signal 1
3.3 V DC power to OPWB2
nal 3
nal 2
nal 1
signal 0
nal 0
Ground
Ground
Ground
Ground
Ground
Ground
2-3-54
2LK/2LN/2LM/2LC
Description