Power Source Pwb - Kyocera ECOSYS M2030dn/PN Service Manual

2-3 Operation of the PWBs

2-3-1 Power source PWB

AC input
Relay
YC104
1
SW101
Power source PWB
Zero cross
signal circuit
Fuser heater
control circuit
Fuser thermostat
Figure 2-3-1 Power source PWB block diagram
YC108
1 1
1
YC106 YC105
1
YC103
Figure 2-3-2 Power source PWB silk-screen diagram
Switching
regulator
circuit
Interlock
switch
Fuser thermistor
Fuser heater
Fuser unit
1
YC102
2-3-1
2PK/2PL/2PM/2PN
Scanner
+24V0
PWB
+24V0 Left
cooling
FAN
fan motor
FAN
+24V0F
GND
SLEEP
ZCROSS
HEATN
+3.3V1E
THERM
1
YC101