Panasonic DP-1820P Service Manual page 287

PNL1 PCB
Signal Name
Pin No.
CN230-4 KIN6
CN230-5 LED2
CN230-6 SCN0
CN230-7 LED3
CN230-8 SCN1
CN230-9 LED4
CN230-10 KIN5
CN230-11 LED5
CN230-12 KIN4
CN230-13 LEDCT2
CN230-14 KIN3
CN230-15 LEDCT3
Ver. 1.2
Destination
PNL2 PCB
CN250-4
PNL2 PCB
CN250-5
PNL2 PCB
CN250-6
PNL2 PCB
CN250-7
PNL2 PCB
CN250-8
PNL2 PCB
CN250-9
PNL2 PCB
CN250-10
PNL2 PCB
CN250-11
PNL2 PCB
CN250-12
PNL2 PCB
CN250-13
PNL2 PCB
CN250-14
PNL2 PCB
CN250-15
Signal Waveform
+3.3V
Key
Pressed
0V
0V
+3.3V
Key
Scan
0V
0V
+3.3V
Key
Scan
0V
0V
+3.3V
Key
Pressed
0V
0V
+3.3V
Key
Pressed
0V
+5V
LED ON
+3.3V
Key
Pressed
0V
+5V
LED ON
287
DP-1520P/1820P/1820E
Function
PNL Key Signal (Key Line)
PNL LED Control Signal
PNL Key Signal (Scan Line)
PNL LED Control Signal
PNL Key Signal (Scan Line)
PNL LED Control Signal
PNL Key Signal (Key Line)
PNL LED Control Signal
PNL Key Signal (Key Line)
PNL LED Control Signal
PNL Key Signal (Key Line)
PNL LED Control Signal
SEP 2004