Panasonic UF-890 Service Manual page 69

Pin No. Signal Name
CN5-5 AGND
CN5-6 +5V
CN5-7 DOS
CN5-8 OS
CN7
Pin No. Signal Name
CN7-1 nBPNT
CN7-2 nAPNT
CN7-3 +5VP
CN7-4 nSDOOR
CN7-5 nB4SN
CN7-6 GND
CN7-7 +12V
Destination
CCD PCB
CN30-5
CCD PCB
CN30-6
CCD PCB
CN30-7
CCD PCB
CN30-8
Destination
SNS PCB
CN31-1
Document
SNS PCB
CN31-2
Document
SNS PCB
CN31-3
SNS PCB
CN31-4
Door Closed
SNS PCB
CN31-5
B4 Width
Document
SNS PCB
CN31-6
SNS PCB
CN31-7
Signal Waveform
0V
+5V
3-5V
0V
3-5V
0V
Signal Waveform
+5V(H) No Document
0V(L)
+5V(H) No Document
0V(L)
+1.2V
+5V(H)
Door Open
0V(L)
+5V(H) No Document
0V(L)
0V
+3.5V
69
Function
Ground
+5 VDC Power Supply
Compensation Signal
(Analog Signal)
Video Signal
Function
Read Point Detection
ADF Document Detection
+5 VDC Power Supply (Connec-
tor Unplugged)
+1.2 VDC (Connector Plugged
In)
Tx Door Detection
B4 Width Document Detection
Ground
+12 VDC Power Supply (Con-
nector Unplugged)
+3.5 VDC (Connector Plugged
In)