Oki B4100 - Manual (Page 431)

40055101TH Rev.4
431 /
Figure A3.5.1 Block Diagram of 048 POW
Noise filter
circuit
F1 F2
AC IN
Heater OUT
Main power
supply
ON/OFF
Rectifying
and
smoothing
circuit Switching
circuit,
RCC type
Regulator
circuit
Regulator
circuit
-8 V
24 V
5 V
PC1
PC2
PC3
MPON
ACON
5 V (S)
Heater control
circuit
Standby
power
supply
circuit
Control circuit
Main power
supply ON/OFF
Heater ON/OFF
Regulator
circuit