Display Board Replacement
Replacement Procedures
Force FX-8C Service Manual 7-5
Display Board Replacement
Equipment required:
• Phillips screwdriver.
Step 1 – Remove the Display Board
A. Turn off the generator. Disconnect the power cord from the wall
receptacle.
B. Remove the five screws that secure the cover to the chassis. Lift the
cover off the chassis. Set the cover and screws aside for reinstallation.
C. Remove the Control board.
(1) Unlock the connector on the Control board and disconnect the
Display board ribbon cable from the Control board.
(2) Carefully slide the Control board straight up through the slots on
the heat sinks to disconnect it from the Power Supply/RF board.
Set the board aside in an antistatic container for reinstallation.
D. Disconnect and remove the front panel assembly.
(1) Disconnect the power switch from the Power Supply/RF board.
(2) Disconnect the two REM connectors from the Power Supply/
RF board.
(3) Remove the four screws that secure the front panel to the chassis.
Save the screws for reinstallation.
(4) Slide the front panel assembly forward, carefully disengaging it
from the electrical contacts on the Power Supply/RF board.
Warning
Electric Shock Hazard To allow stored energy to dissipate after power is
disconnected, 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.
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