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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
+12VDC
R egulator IC
+5VD C
R egulator
Circuit
O v e r C u rre n t
Protection
Circuit
Sm oothing
Circuit
+24VDC
C o n tro l C ircu it
+24VDC O ver
C urrent Protec-
tio n C irc u it
+ 5 /+ 1 2 /+ 2 4 V D C
O ver Voltage
Protection Circuit
+5 VD C
+12 VDC
+24 VDC
To the M ain Board To the Start Button