Covidien Force FX, Service Manual

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Power Supply/RF Board Replacement
7-28
Force FX Electrosurgical Generator C Service Manual
Install Components on the New Board
Follow these steps to reinstall the components you removed from the existing board onto
the new Power Supply/RF board.
1.
Install the fan on the new Power Supply/RF board.
a.
Position the fan on the underside of the Power Supply/RF board and install the
four nuts and screws that secure it to the board.
b.
Connect the fan control connector to J4 on the Power Supply/RF board.
2.
Install the low voltage power supply on the new board.
a.
Place the low voltage power supply on the Power Supply/RF board and install the
four screws that secure it to the board.
b.
Connect the 6-pin low voltage power supply cable to J7 on the Power Supply/RF
board.
c.
Connect the 6-pin low voltage power supply cable located at BW14 on the Power
Supply/RF board to J2 on the low voltage power supply.
3.
Install the right heat sink.
a.
On the right side of the Power Supply/RF board, slide the right heat sink
components into the matching connectors.
b.
Install the two screws that secure the heat sink to the rail under the board.
c.
Connect the right heat sink cable to J12 on the Power Supply/RF board.
4.
Install the left rear heat sink.
a.
Slide the left rear heat sink components into the matching connectors on the left
rear of the Power Supply/RF Board.
b.
Install the two screws that secure the heat sink to the rail under the board.
c.
Tighten the screw securing the component clip over the Triac Thermister.
d.
Connect the 4-wire heat sink (bridge rectifier) cable to J8 on the Power Supply/RF
board.
5.
Install the left front heat sink on the new board.
a.
Slide the left front heat sink into the matching connectors on the left front of the
Power Supply/RF board.
b.
Install the two screws that secure the heat sink to the rail under the board.
6.
Position the support bracket over the heat sinks and install the three screws that
secure the bracket to the left rear heat sink (plastic screw) and to the left front and
right heat sinks (two metal screws).
7.
To install the Control board, position the 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.