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Changing the light bulb on your Sharp carousel microwave will allow you to have needed light inside the oven. Microwaves are not designed for consumers to change the light bulb due to manufacturer liability, but it can be done. Following the proper steps will ensure a successful installation.
Step 1
Unplug the Sharp carousel microwave from the electrical outlet.
Step 2
Locate the screws around the outer cover of the Sharp carousel microwave and unscrew all the screws.
Step 3
Lift off the covering.
Step 4
Locate the bulb and unscrew. Screw in your new bulb.
Step 5
Replace the cover and screw back tightly. Once done, test your new bulb.
Things You'll Need
30-watt incandescent light bulb
Screwdriver
Light
Unplug the Magic Chef microwave from the wall outlet.
Remove the screw from the light cover located on the left side of the underside of the microwave. The light cover is connected to a hinge and will lower, but cannot be removed from the microwave.
Unscrew the light bulb, then screw in the new light bulb. hope this helps
There are at least one or too fuses gone, the main fuse located on the main board or behind the control panel, and the thermal fuse located at top on the inner chassis that protects the magnetron, any more than that you are getting into serious money. Remember lethal voltages present when plugged in.
Do as follows. Do not connect the microwave oven to mains while doing the following activities. Even the accidental switching ON will harm you from the microwaves. Open the top cover by unscrewing side screws & the screws at the back. Lift the top cover by tilting upwards from rear end. Remove the wave guide of magnetron & there you will find the bulb. Wave guide is rectangular small ducting (pipe enclosure) to guide the microwaves from the magnetron.
To find helpful exploded view diagrams and get part numbers, you can just enter your full
model number 721.63664300 at the Sears
parts site. We're
happy to help you with free advice and we'd appreciate your
thoughtful rating of our answer.
Apparently there's a flaw in the design. My light has gone out/ been changed roughly evry 9 months. No longer under warranty and cost to have someone come in and replace is outrageous. Light bulb is located on top of the oven. You need to remove the top to get at it. Looked fairly easy.
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