Panasonic UF-580 Service Manual page 73

SC PCB
Signal Name
Pin No.
CN66-3 +5V
CN66-4 nPCHK2
CN66-5 pADF2
CN66-6 nCCHK2
CN66-7 nOP
CN68
SC PCB
Signal Name
Pin No.
CN68-1 nS/H
CN68-2 nHSYNC
CN68-3 L+5V
CN68-4 GND
CN68-5 nLDON
CN68-6 nVIDEO
Destination
CST2 PCB
CN70-3
CST2 PCB
+5V(H)
CN70-4
CST2 PCB
CN70-5
CST2 PCB
+5V(H)
CN70-6
CST2 PCB
+5V(H)
CN70-7
Destination
LSU
CN1-1
LSU
CN1-2
LSU
CN1-3
LSU
CN1-4
LSU
+5V(H)
CN1-5
LSU
CN1-6
Signal Waveform
0V(L)
+5V (H)
ON
0V (L)
0V(L)
0V(L)
Signal Waveform
+5V(H)
0V(L)
+5V(H)
0V(L)
0V(L)
+5V(H)
0V(L)
73
Function
+5 VDC Power Supply
+5V
No Paper Detection Signal
(2nd Cassette)
H: No Paper
L: Paper
Feed Roller Drive Clutch
Control Signal
(2nd Cassette)
No Cassette Detection
Signal (2nd Cassette)
L: No Cassette
2nd Feeder Unit Detection
Signal
H: No Feeder Unit
Function
Laser Power Sample/Hold
Timing Signal
L : Sampling
H : Holding
Horizontal Synchronous
Signal
2.136 ms (400 dpi)
1.393 ms (600 dpi)
Laser Circuit +5 VDC Power
+5V
Supply
(Supplied only while the LP
is operating)
Ground
0V
Laser Control
Video Data
L: Black
H: White