Kyocera TASKalfa 420i Service Manual page 326

2KR/2KS
Connector Pin No.
YC3 1
Connected 2
to the main
3
PWB
4
5
YC4 1
Connected 2
to the main
3
PWB
4
5
6
7
8
9
10
11
12
13
YC6 1
Connected 2
to the LCD
3
inverter
4
PWB
5
YC7 1
Connected 2
to the right
3
operation
4
PWB
5
6
7
8
9
10
11
12
13
14
15
2-3-28
Signal I/O
VBUS I
DN I/O
DP I/O
ID -
GND -
SUPND POWER I
GND -
PH KEY O
GND -
AUDIO I
SUPND_ENTR I
+24V_DOWN I
SW_FOOTN -
HOLDPANEL I
PANEL_RESET I
S_LED1 I
S_LED0 I
PANEL_STATU O
S
GND -
+12V O
LCDBKLT O
ADJUST O
GND -
KEY0 I
KEY1 I
KEY2 I
KEY3 I
KEY4 I
SCAN0 O
SCAN1 O
SCAN2 O
SCAN3 O
SCAN6 O
LED0 O
LED1 O
PH KEY I
SUPND POWER O
GND -
Voltage
5 V DC 5 V DC power input
- USB data signal
- USB data signal
- Not used
- Ground
5 V DC 5 V DC power input from MPWB
- Ground
0/5 V DC Power key: On/Off
- Ground
Analog Audio output signal
0/3.3 V DC Energy save mode control signal
0/3.3 V DC 24 V DC down signal
- Not used
0/3.3 V DC Operation panel displaying enable signal
0/3.3 V DC MPWB reset signal
0/3.3 V DC Operation panel LED display signal
0/3.3 V DC Operation panel LED display signal
0/3.3 V DC Operation panel status signal
- Ground
12 V DC 12 V DC power output to LINPWB
0/3.3 V DC LCD back light: On/Off
Analog LCD back light brightness adjustment signal
- Ground
0/3.3 V DC (pulse) Operation panel key scan return signal 0
0/3.3 V DC (pulse) Operation panel key scan return signal 1
0/3.3 V DC (pulse) Operation panel key scan return signal 2
0/3.3 V DC (pulse) Operation panel key scan return signal 3
0/3.3 V DC (pulse) Operation panel key scan return signal 4
0/3.3 V DC (pulse) Scan signal 0
0/3.3 V DC (pulse) Scan signal 1
0/3.3 V DC (pulse) Scan signal 2
0/3.3 V DC (pulse) Scan signal 3
0/3.3 V DC (pulse) Scan signal 6
0/3.3 V DC (pulse) Operation panel LED display drive signal 0
0/3.3 V DC (pulse) Operation panel LED display drive signal 1
0/5 V DC Power key: On/Off
5 V DC 5 V DC power output to OPWB-R
- Ground
Description