Epson 610 Scanner User Manual


 
EPSON Perfection 610 Rev. B
Operating Principles Engine Mechanism 18
2.1.3 Power Supply Circuit
Power supply circuit board in this scanner generates direct current necessary
for driving the controller board and scanner engine.
See Table 2-1 and Table 2-2 for the power supply circuit board specifications
and the protection circuits for each output voltage/current, respectively. Figure
2-5 shows the power supply circuit diagram.
Table 2-1. Power Supply Circuit Board Specifications for Each Destination
Table 2-2. Protection Circuits for Output Voltages/Currents
*: Recovers within 5 minutes.
NOTE:
If any of the outputs is shut down, all the other outputs are also shut down.
Specification Unit Part No. Fuse
100 -120 VAC Range 2031592 2.5 A / 125 VAC
220 -240 VAC Range 2031593 T2.5AH / 250 VAC
Output
Voltage
Output
Current
Over Current Protection Over Voltage Protection
5 VDC 1.2A
The current is held 1A or less by the
fold-back characteristic.
Recovers automatically*.
Shut down.
To restore, turn the scanner off and
then back on.
The protection circuit becomes active
when the voltage rises to 5.5 - 7.5
VDC.
12 VDC 0.2A
The current is held 0.5 or less by the
fold-back characteristic of the
generator.
Recovers automatically*.
Shut down.
To restore, turn the scanner power off
and then back on.
The protection circuit becomes active
when the voltage rises to 14 -17 VDC.
24 VDC 0.7A
Shut down.
To restore, turn the scanner power off
and then back on.
Shut down.
To restore, turn the scanner power off
and then back on.
The protection circuit becomes active
when the voltage rises to 28 -33 VDC.