Epson EMP-TW1000 - POWER SUPPLY UNIT; POWER SUPPLY CIRCUIT DIAGRAM

2-11
EMP-TW1000
SEIKO EPSON Revision:A
2.5 Power Supply Unit
The Power Supply Unit contains the power supply filter and the AC cord socket.
Figure 2-12. Power Supply Unit
2.5.1 Power Supply Circuit Block Diagram
Figure 2-13. Power Supply Circuit Block Diagram
Fuse: Protects the power supply and internal circuitry from overcurrent on
the AC supply line.
EMI filter circuit: Eliminates interference from the AC power supply input.
Power Supply Unit
Cable AC
A
C Input
A
C100-240V
Ballast output
170W
DC output
to CN4000
on MA board
EMI Filter
EMI Filter
The First Power Supply
Smoothing/Control circuits
Secondary Power Supply