Panasonic UF-890 Service Manual page 86

Pin No. Signal Name
CN51-2 nHSYNC
CN51-3 L+5V
CN51-4 GND
CN51-5 nLDON
CN51-6 nVIDEO
CN51-7 GND
CN51-8 nPMCK
CN51-9 nPMRY
CN51-10 nPMON
CN51-11 MGND
CN51-12 +24VM
Destination
LSU P101-2
LSU P101-3
0V (L)
LSU P101-4
LSU P101-5
ON
0V (L)
LSU P101-6
LSU P101-7
LSU CN1-1
LSU CN1-2
Ready
0V (L)
LSU CN1-3
ON
0V (L)
LSU CN1-4
LSU CN1-5
+24V (H)
Signal Waveform
+5V (H)
PRINTING
0V
+5V (H)
OFF
0V
+5V(H)
0V(L)
+5V (H)
Not Ready
+5V (H)
OFF
0V (L)
86
Function
H-SYNC Video Signal
1 ms (16 dot)
0.652 ms (600 dpi)
+5V Power Supply for Laser
Drive Circuit
Ground
Laser Control Signal
Video Data
L=Black, H=White
Ground
Polygon Motor Clock
3.3 KHz (16 dot)
5.1 KHz (600 dpi)
Polygon Motor Ready Signal
Polygon Motor Control Signal
Frame Ground
+24 VDC Power Supply