Theory of Operation Ver. 1.0 Jul. 2009
25. POWER SUPPLY SECTION
25.1 Parts energized when the main power switch is turned ON
25.1.1
Configuration
25.1.2
Operation
• When the main power switch is turned ON, power is supplied from the DC power supply
unit to the following components.
Voltage
12V
Fax board, control panel
MFP board, HDD, Fax board, Printer control board, Scanner relay board,
5V
Control panel, USB board
25. POWER SUPPLY SECTION
Main power switch
Power supplied to
A0EDT2C145DA
253