Panasonic DP-1820P Service Manual page 291

PNL1 PCB
Signal Name
Pin No.
CN233-9 nLEDALM
CN233-10 LEDCT0
CN233-11 nLEDDAT
CN233-12 LED9
CN233-13 LEDCT4
CN233-14 LED8
CN233-15 LEDCT3
CN233-16 LED7
CN233-17 LEDCT2
CN233-18 LEDCT1
CN234
PNL1 PCB
Signal Name
Pin No.
CN234-1
KIN4
Ver. 1.2
Destination
PNL3 PCB
CN253-9
PNL3 PCB
CN253-10
PNL3 PCB
CN253-11
PNL3 PCB
CN253-12
PNL3 PCB
CN253-13
PNL3 PCB
CN253-14
PNL3 PCB
CN253-15
PNL3 PCB
CN253-16
PNL3 PCB
CN253-17
PNL3 PCB
CN253-18
Destination
PNL4 PCB
CN280-1
Signal Waveform
+3.3V
0V
+5V
LED ON
+3.3V
0V
0V
+5V
LED ON
0V
+5V
LED ON
0V
+5V
LED ON
+5V
LED ON
Signal Waveform
+3.3V
Key
Pressed
0V
291
DP-1520P/1820P/1820E
Function
ALARM Lamp LED Control
Signal
PNL LED Control Signal
DATA Lamp LED Control
Signal
PNL LED Control Signal
PNL LED Control Signal
PNL LED Control Signal
PNL LED Control Signal
PNL LED Control Signal
PNL LED Control Signal
PNL LED Control Signal
Function
PNL Key Signal (Key Line)
SEP 2004