Sns4 Pc Board - Panasonic UF-580 Service Manual

3.11. SNS4 PC Board

CN85
SNS3 PCB
Signal Name
Pin No.
CN85-1 nCCHK1
CN85-2 GND
CN85-3 nRSEN
CN85-4 LDRE
CN87
Refer to SC PC Board CN58.
Destination
SNS1 PCB
+5V(H)
CN81-1
0V(L)
SNS1 PCB
CN81-2
SNS1 PCB
+5V(H)
CN81-3
0V(L)
SNS1 PCB
CN81-4
Signal Waveform
Approx. +2 VDC
84
Function
No Cassette Detection
Signal
L: No Cassette
Ground
0V
Timing Sensor
Signal
L: Detect
Timing Sensor
Cassette Sensor LED Drive
Current
Detection
and No