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4-79
PCB Connector and
Signal Information
Key input matrix circuit
drive signal 3
Ground
Key input matrix circuit
drive signal 1
Key input matrix circuit
drive signal 2
Panel open detecting
signal 1
Key input matrix circuit
drive signal 0
LED matrix signal 3
Panel open detecting
signal 0
LED matrix signal 1
LED matrix signal 2
LED drive signal 3
LED matrix signal 0
LED drive signal 1
LED drive signal 2
Control panel
CPU PCB
CN406-15
Control panel
CPU PCB
CN406-16
Control panel
CPU PCB
CN406-13
Control panel
CPU PCB
CN406-14
Control panel
CPU PCB
CN406-11
Control panel
CPU PCB
CN406-12
Control panel
CPU PCB
CN406-9
Control panel
CPU PCB
CN406-10
Control panel
CPU PCB
CN406-7
Control panel
CPU PCB
CN406-8
Control panel
CPU PCB
CN406-5
Control panel
CPU PCB
CN406-6
Control panel
CPU PCB
CN406-3
Control panel
CPU PCB
CN406-4
DRVK3
GND
DRVK1
DRVK2
DT1
DRVK0
MTRLD3
DT0
MTRLD1
MTRLD2
DRV3
MTRLD0
DRV1
DRV2
Status
0V
0V
Pin
No.
Signal
Name
Destination
Function
(CN357)
5V
0V
ON
5V
0V
ON
5V
0V
ON
5V
0V
ON
5V
0V
ON
5V
0V
ON
1
2
3
4
5
6
7
8
9
10
11
12
13
14
5V
0V
ON
5V
0V
Open
5V
0V
Open
5V
0V
ON
5V
0V
ON
5V
0V
ON
(FP-D250/D350 Series)