Kyocera TASKalfa 420i, Service Manual

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2KR/2KS
2-3-29
YC8 1 SCAN6 O 0/3.3 V DC (pulse) Scan signal 6
Connected
to the left
operation
PWB 2 KEY5 I 0/3.3 V DC (pulse) Operation panel key scan return signal 5
3 KEY6 I 0/3.3 V DC (pulse) Operation panel key scan return signal 6
4 KEY7 I 0/3.3 V DC (pulse) Operation panel key scan return signal 7
5 SCAN0 O 0/3.3 V DC (pulse) Scan signal 0
6 SCAN1 O 0/3.3 V DC (pulse) Scan signal 1
7 SCAN2 O 0/3.3 V DC (pulse) Scan signal 2
8 SCAN3 O 0/3.3 V DC (pulse) Scan signal 3
9 LED2 O 0/3.3 V DC (pulse) Operation panel LED display drive signal 2
10 LED3 O 0/3.3 V DC (pulse) Operation panel LED display drive signal 3
11 LED4 O 0/3.3 V DC (pulse) Operation panel LED display drive signal 4
12 GND - - Ground
YC9 1 SCAN4 O 0/3.3 V DC (pulse) Scan signal 4
Connected
to the upper
operation
PWB 2 SCAN5 O 0/3.3 V DC (pulse) Scan signal 5
3 LED5 O 0/3.3 V DC (pulse) Operation panel LED display drive signal 5
4 LED6 O 0/3.3 V DC (pulse) Operation panel LED display drive signal 6
5 LED7 O 0/3.3 V DC (pulse) Operation panel LED display drive signal 7
6 S_LED0 O 0/5 V DC Operation panel LED display drive signal 0
7 S_LED1 O 0/5 V DC Operation panel LED display drive signal 1
8 GND - - Ground
YC10 1 SCAN5 O 0/3.3 V DC (pulse) Scan signal 5
Connected
to the front
operation
PWB 2 LED5 O 0/3.3 V DC (pulse) Operation panel LED display drive signal 5
3 LED6 O 0/3.3 V DC (pulse) Operation panel LED display drive signal 6
4 S_LED1 O 0/5 V DC Operation panel LED display drive signal 1
5 GND - - Ground
YC11 1 VO2 O Analog Speaker sound signal (+)
Connected
to the
speaker 2 VO1 O Analog Speaker sound signal (-)
YC15 1 GND - - Ground
Connected
to the power
source PWB 2 GND - - Ground
3 GND - - Ground
4 +5V I 5 V DC 5 V DC power input from PSPWB
5 +5V I 5 V DC 5 V DC power input from PSPWB
6 +12V I 12 V DC 12 V DC power input from PSPWB
Connector Pin No. Signal I/O Voltage Description