Power Supply System; Low Voltage Circuit; Low Voltage Power Supply Circuit - Canon SmartBase 1270D Service Manual

7 Power Supply System

7.1 Low Voltage Circuit

7.1.1 Low Voltage Power Supply Circuit

The machine's DC power supply is generated by the power supply PCB.
The AC power arriving at the power supply PCB is converted into the following for sup-
ply to loads: +3.3 VDC, +3.3 VSDC, +5 VDC, +5 VSDC, +12 VDC, +24 VDC.
See the following for an outline of the DC power supply:
Output voltage
+3.3V
+3.3VS
+5.1V
+5.1VS
+12V
+24V
*1: Also supplied during ESS mode.
COPYRIGHT © 2002 CANON INC.
*1
*1
T04-701-01
2000 2000 2000 2000 CANON SmartBase PC1210D/1230D/1270D REV. 1 MAR. 2002
CHAPTER 4 OPERATION
Output voltage value
+3.4V ± 3%
+3.4V ± 3%
+5.1V ± 3%
+5.1V ± 3%
+12V ± 3%
+24V ± 3%
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