Kyocera FS-6970DN - PWB Operation and Signal Details

2J5
2-3-1
2-3 Operati on of the PWBs
2-3-1 Power source unit
Figure 2-3-1Power source unit block diagram
Switching
regulator
circuit
Zero cross
signal circuit
MP tray paper
feed sensor
Power source unit
A
C input
Interlock
switch
Power switch
Fuser heater
lamp M control
circuit
Fuser heater
lamp S control
circuit
Fuser
heater
lamp S
Fuser
heater
lamp M
+5V1
SWSLEEPN
+24V1
HEATONN2
HANDSN
ZCROSS
HEATONN1
PC1TRA51
PC2TRA52