4-310
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
SWC
GND
PRTS
PCTS
PRXD
PNLRST
PTXD
GND
+12V2
GND
GND
GND
VL
VL
P_LED
KEY
Operation switch
Operation switch
Control panel
CPU PCB
CN401-11
Control panel
CPU PCB
CN401-12
Control panel
CPU PCB
CN401-9
Control panel
CPU PCB
CN401-10
Control panel
CPU PCB
CN401-7
Control panel
CPU PCB
CN401-8
Control panel
CPU PCB
CN401-5
Control panel
CPU PCB
CN401-6
Control panel
CPU PCB
CN401-3
Control panel
CPU PCB
CN401-4
Control panel
CPU PCB
CN401-1
Control panel
CPU PCB
CN401-2
Control panel
PCB A
CN358-3
Control panel
PCB A
CN358-1
Status
0V
0V
0V
0V
0V
Pin
No.
Signal
Name
Destination
Function
5V
0V
(CN205)
Switch signal
Ground
Control panel
communication receive
control signal
Control panel
communication transfer
control signal
Control panel
communication receive
signal
Control panel reset
signal
Control panel
communication transfer
signal
Ground
DC+12V power supply
Ground
Ground
Ground
DC+5V power supply
DC+5V power supply
EPA mode LED ON/
OFF signal
EPA mode key input
signal
12V
0V
5V
0V
5V
0V
5V
0V
ON
5V
0V
ON
Pulse
Pulse