Panasonic UF-490 Service Manual page 48

CN4
SC PCB
Signal Name
Pin No.
CN4-1 +24V
CN4-2 +24V
CN4-3 GND
CN4-4 GND
CN4-5 GND
CN4-6 +3.3V
CN4-7 +5V
CN4-8 -5V
CN4-9 +5VP
CN4-10 nMPOFF
CN4-11 nSSR
Destination
POWER SUPPLY
UNIT
CN103-1
POWER SUPPLY
UNIT
CN103-2
POWER SUPPLY
UNIT
CN103-3
POWER SUPPLY
UNIT
CN103-4
POWER SUPPLY
UNIT
CN103-5
POWER SUPPLY
UNIT
CN103-6
POWER SUPPLY
UNIT
CN103-7
POWER SUPPLY
UNIT
CN103-8
POWER SUPPLY
UNIT
CN103-9
POWER SUPPLY
UNIT
CN103-10
POWER SUPPLY
UNIT
CN103-11
Signal Waveform
+24V
+24V
+3.3V
+5V
-5V
+5V
+6 7V
(Energy Saver Mode)
Fuser Lamp
ON
48
Function
+24 VDC Power Supply
+24 VDC Power Supply
Ground
0V
Ground
0V
Ground
0V
+3.3 VDC Power Supply
+5 VDC Power Supply
-5 VDC Power Supply
+5 VDC Pilot Power Supply,
that provides power to the
active components during
the Sleep Mode.
Energy Saver Mode Control
Signal
0V
Fuser Lamp Control Signal