DescriptionThis video provides step-by-step repair instructions for replacing the noise filter board on a Frigidaire microwave oven (Model FFMV1645TSA). The most common reason for replacing this part is if the microwave is not cooking properly.
All of the information for this video is applicable to the following brands:
Frigidaire
Step-By-Step Instructions1
Frigidaire Microwave Oven - Model FFMV1645TSA
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Microwave Oven Noise Filter Board Replacement
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You will need a phillips-head screwdriver, a putty knife, an off-set phillips-head screwdriver, and a magnetized screwdriver (optional) for this procedure.
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Be sure to unplug the power cord or shut off the power supply.
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Open the door and use a phillips-head screwdriver to unthread the two screws securing the front vent.
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You can use a putty knife to help pry the vent off.
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Unthread the screw securing the control assembly.
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With the screw unthreaded, lift the control assembly up to detach.
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Note the orientation of the wires connected to the control board, then disconnect them to fully remove the assembly.
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Unthread the screw to release the access grille.
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Unthread the screw to release the noise filter board grounding wire.
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Use an off-set phillips-head screwdriver to unthread the filter board mounting screw.
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Slide the board to the left to detach.
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Note the location of the wires connected to the board, then disconnect them.
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Install the new noise filter board by first connecting the wires to the appropriate terminals.
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Slide the board into position and thread the mounting screw to secure.
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Thread the screw to secure the grounding wire to the frame.
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Realign the access grille and thread the screw.
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Reinstall the control assembly by inserting the assembly tabs into the slots in the microwave oven frame, then connect all of the control board wire connecters to the appropriate terminals.
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Align the assembly and push down.
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Thread the screw ? having a magnetized screwdriver will make this easier.
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Reinstall the front vent by aligning the top edge first then press the bottom edge into place.
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Thread the screws to secure.
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Plug the power cord back in or restore the power supply.
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Congrats! Your microwave oven is ready for use.