Valleylab Force FX-8C, Service Manual

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Display Board Replacement
7-6 Force FX-8C Service Manual
E.
Detach and disconnect the Display board from the front panel.
(1)
Remove the four screws that secure the Display board to the front
panel. Save the screws for reinstallation.
(2)
Disconnect the CEM switch cable from the Display board.
(3)
Disconnect the membrane keyboard ribbon cable from the Display
board.
(4)
Disconnect the grounding clips from each side of the bezel by
sliding the clips away from the bezel until they are loose and held
only by the Display board.
Step 2 – Install the Display Board
A.
Connect and attach the Display board to the front panel.
(1)
Connect the membrane keyboard ribbon cable to the Display
board.
(2)
Connect the CEM switch cable to the Display board.
(3)
Connect the grounding clips to each side of the bezel by sliding the
clips toward the bezel until they are snug.
(4)
Position the Display board over the front panel posts and install
the four screws that secure the board to the front panel.
B.
Install the front panel assembly.
(1)
Position the front panel assembly in front of the chassis and
carefully slide it into the electrical contacts on the Power Supply/
RF board.
(2)
Install the four screws that secure the front panel to the chassis.
(3)
Connect the power switch cable to J10 on the Power Supply/
RF board.
C.
Connect the REM wires to the Power Supply/RF board.
(1)
Connect the white wires with the 2-pin nonlocking connector to
J15.
(2)
Connect the red wires with the 2-pin locking connector to J17.
D.
Install the Control board.
(1)
Position the Control board over the Power Supply/RF board with
the Control board components facing the rear panel. Fit the edges
of the board into the slots on the heat sinks. Slide the board down,
carefully fitting the edge connector into the matching connector on
the Power Supply/RF board.
(2)
Connect the Display board ribbon cable to the Control board and
lock the connector.
E.
Position the cover above the chassis and slide it down. Install the five
screws that secure the cover to the chassis.