Power Source Pwb - Olivetti PG L2130 Service Manual

2-3 Operation of the PWBs
2-3-1

Power source PWB

AC input
Y 112480 - 6
Left
cooling
fan motor
Power switch
Fuser heater
lamp control
circuit
Figure 2-3-1 Power source PWB block diagram
Service Manual
Power source PWB
Zero cross
signal circuit
Switching
regulator
circuit
Fuser unit
Fuser thermistor
Fuser
heater lamp
Fuser thermal cutout
+24V1
FAN
ZCROSS
SLEEP
+5V1
+24V2
Interlock
switch
HEATN
+3.3V1
THERM
2-3-1