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Connector
Pin No.
YC8
1
Connected
2
to the left
3
operation
4
PWB
5
6
7
8
9
10
11
12
YC9
1
Connected
2
to the upper
3
operation
4
PWB
5
6
7
8
YC10
1
Connected
2
to the front
3
operation
4
PWB
5
YC11
1
Connected
2
to the
speaker
YC15
1
Connected
2
to the power
3
source PWB
4
5
6
Y112040-6
Signal
I/O
SCAN6
O
KEY5
I
KEY6
I
KEY7
I
SCAN0
O
SCAN1
O
SCAN2
O
SCAN3
O
LED2
O
LED3
O
LED4
O
GND
-
SCAN4
O
SCAN5
O
LED5
O
LED6
O
LED7
O
S_LED0
O
S_LED1
O
GND
-
SCAN5
O
LED5
O
LED6
O
S_LED1
O
GND
-
VO2
O
VO1
O
GND
-
GND
-
GND
-
+5V
I
+5V
I
+12V
I
Voltage
0/3.3 V DC (pulse) Scan signal 6
0/3.3 V DC (pulse) Operation panel key scan return signal 5
0/3.3 V DC (pulse) Operation panel key scan return signal 6
0/3.3 V DC (pulse) Operation panel key scan return signal 7
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) Operation panel LED display drive signal 2
0/3.3 V DC (pulse) Operation panel LED display drive signal 3
0/3.3 V DC (pulse) Operation panel LED display drive signal 4
-
Ground
0/3.3 V DC (pulse) Scan signal 4
0/3.3 V DC (pulse) Scan signal 5
0/3.3 V DC (pulse) Operation panel LED display drive signal 5
0/3.3 V DC (pulse) Operation panel LED display drive signal 6
0/3.3 V DC (pulse) Operation panel LED display drive signal 7
0/5 V DC
Operation panel LED display drive signal 0
0/5 V DC
Operation panel LED display drive signal 1
-
Ground
0/3.3 V DC (pulse) Scan signal 5
0/3.3 V DC (pulse) Operation panel LED display drive signal 5
0/3.3 V DC (pulse) Operation panel LED display drive signal 6
0/5 V DC
Operation panel LED display drive signal 1
-
Ground
Analog
Speaker sound signal (+)
Analog
Speaker sound signal (-)
-
Ground
-
Ground
-
Ground
5 V DC
5 V DC power input from PSPWB
5 V DC
5 V DC power input from PSPWB
12 V DC
12 V DC power input from PSPWB
Service Manual
Description
2K5
2-3-27
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