Kyocera FS 1100 Service Manual - Page 111
Operation of the PWBs, 2-3-1 Power source PWB
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2-3 Operation of the PWBs 2-3-1 Power source PWB 2H5/2HS AC input Left cooling fan motor Power switch Power source PWB Zero cross signal circuit Switching regulator circuit +24V1 FAN ZCROSS SLEEP +5V1 Fuser heater lamp control circuit +24V2 Interlock switch HEATN +3.3V1 THERM Fuser unit Fuser thermistor Fuser heater lamp Fuser thermal cutout Figure 2-3-1 Power source PWB block diagram 2-3-1
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2H5/2HS
2-3-1
2-3 Operation of the PWBs
2-3-1
Power source PWB
Figure 2-3-1 Power source PWB block diagram
+5V1
SLEEP
+24V1
+24V2
FAN
+3.3V1
ZCROSS
HEATN
THERM
Power source PWB
Left
cooling
fan motor
Fuser thermistor
Fuser thermal cutout
Fuser unit
Switching
regulator
circuit
Zero cross
signal circuit
AC input
Interlock
switch
Power switch
Fuser heater
lamp control
circuit
Fuser
heater lamp