Epson 610

EPSON Perfection 610 Rev. B
Operating Principles Engine Mechanism 19
Figure 2-5. Power Supply Circuit Block Diagram
Sm oothing
Circuit
F u ll W a v e
R e c tifie r C irc u it
Sm oothing
Circuit
S w itc h in g
Circuit
AC Voltge Input
F ilte r C irc u it
+12VD C
R egulator IC
+5VD C
R egulator
Circuit
O v e r C u rre n t
Protection
Circuit
Sm oothing
Circuit
+24VD C
C o n tro l C irc u it
+24VD C O ver
C urrent Protec-
tio n C irc u it
+ 5 /+ 1 2 /+ 2 4 V D C
O ver Voltage
Protection C ircuit
+5 VD C
+12 VD C
+24 VD C
To the M ain Board To the Start Button