HP LASERJET PRO 200 COLOR M251n - Page 25

Low-voltage power supply
Figure 1-5 Low-voltage power supply
+24VA
+24VR
REM24V
+24VA
DC controller
+24V
generation
circuit
+3.3V
generation
circuit
Protection
circuit
Rectifying
circuit
Fuser control
circuit
Power switch
control circuit
AC input
Low-voltage power supply
Fuser power supply
Fuse
FU901
Fuse
FU801
Power switch
SW801
Formatter
PWSV
+3.3VA+3.3VA
VCTRLOFF
+3.3VB
+3.3VC
+3.3V
control circuit
+24V
control circuit
ENWW
Engine control system
7