Power Supply/RF Board
8-28
Force EZ-C Series Service Manual
Important
Power Supply/RF Board
Equipment
•
Phillips screwdriver
Remove the Power Supply/RF Board and Heat Sinks
1.
Turn off the generator and disconnect the power cord from the wall
receptacle.
Save all components,
brackets, screws, etc. for
reinstallation.
2.
Loosen the four screws that secure the cover to the chassis. Lift the cover off
the chassis.
3.
Remove the front panel assembly.
a.
Unlock the connector on the Control board and disconnect the Display
board ribbon cable from the Control board.
b.
Disconnect the power switch cable from the Power Supply/RF board.
c.
Remove the 4 screws that secure the front panel to the chassis.
d.
Slide the front panel assembly forward, carefully disengaging it from the
electrical contacts on the Power Supply/RF board.
4.
Remove the Control board.
a.
Remove the screw that secures the retention bracket to the left rear heat
sink.
b.
Carefully slide the Control board straight up to disconnect it from the
Power Supply/RF board. Set the board aside in an antistatic container for
reinstallation.
Warning
Electric Shock Hazard
.– To allow stored energy to dissipate after disconnecting
power, wait at least five minutes before replacing parts.
Caution
The generator contains electrostatic-sensitive components. When repairing the
generator, work at a static-control workstation. Wear a grounding strap when
handling electrostatic-sensitive components,
except
when working on an
energized generator. Handle circuit boards by their nonconductive edges. Use an
antistatic container for transport of electrostatic-sensitive components and circuit
boards.
