Panasonic DP-1820P Service Manual page 303

CN777
CST2 PCB
Signal Name
Pin No.
CN777-1 nCST2
CN777-2 GND
CN777-3 LDCST2
CN778
CST2 PCB
Signal Name
Pin No.
CN778-1 JAMDOR2
CN778-2 GND
CN778-3 LDJAM2
Ver. 1.2
Destination
2nd Tray
Detection Sensor
-1
2nd Tray
Detection Sensor
-2
2nd Tray
Detection Sensor
-3
Destination
Jam Cover Open
+5V
Sensor
-1
Jam Cover Open
Sensor
-2
Jam Cover Open
Sensor
-3
Signal Waveform
+5V
0V
0V
+1.2V
Signal Waveform
OPEN
0V
+1.2V
303
DP-1520P/1820P/1820E
Function
2nd Paper Tray Detection
Signal
Ground
Photo Sensor DC Drive
Voltage
Function
2nd Paper Tray Jam Access
Cover Open Detection
Signal
0V
Ground
Photo Sensor DC Drive
Voltage
SEP 2004