Panasonic UF-890 Service Manual page 87

CN52
Pin No. Signal Name
CN52-1 +24VM
CN52-2 nCR0
CN52-3 nCR1
CN52-4 nDR0
CN52-5 nTR0
CN52-6 nTR1
CN52-7 MGND
CN54
Pin No. Signal Name
CN54-1 +24VDR
CN54-2 nFNRDT
CN54-3 MGND
Destination
HVPS
+24V (H)
CN39-1
HVPS
CN39-2
0V (L)
HVPS
CN39-3
0V (L)
HVPS
CN39-4
0V (L)
LSU P101-5
0V (L)
LSU P101-6
0V (L)
LSU P101-7
Destination
Fan
Approx. +18 VDC Low Speed Rotation
Fan
Ready
0V (L)
Fan
Signal Waveform
0V (L)
+24V (H)
+24V (H)
+24V (H)
+24V (H)
+24V (H)
Signal Waveform
+24 VDC High Speed Rotation
+5V (H)
Not Ready
87
Function
+24 VDC Power Supply
Charge Control AC Output
Charge Control DC Output
Development Control AC+DC
Output
Transfer Control Cleaning Out-
put
Transfer Control Transfer Output
Ground
0V
Function
Fan Control Signal
Fan Ready Signal
Ground
0V