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The unit had a sound but no picture. one of the ceramic fuses was bad. I replaced it and now it powers up and then shuts off in a few seconds

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If its a Plasma set, then the board with the fuse on it needs to be replaced. I do not recommend buying a used board from companies that sell these. I cant mention their names. They are a reputable company but when it comes to Y sustain and Z sustain modules, I wouldn't touch them. As a service tech, that is my recommendation. You can try MCM or for pricing and availability or have a service company diagnose it properly.

Posted on Mar 25, 2011


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in most cases the reason for microwaves shutting down without warning is the fuse. in some cases the fuse will fail at its own fault. to test the fault we would do a tollerence test on the unit. but the best way for you to test it is to replace the ceramic fuse with another of the same value. if the unit works then its a faulty fuse. if the unit blows the fuse then the unit has a fault in the power supply that needs to be repaired by a service tech.

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Mitsubishi HC1600 Projector unit powers on and shuts off after a few seconds

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No power cannot turn on

Inside the unit behind the control pannel is a ceramic fuse looks like a car glass type fuse. To replace it you must remove the outer shell. First unplug the device,2nd
place on a flat work area,3rd remove the screws from the back of the unit,4th pull the outer shell back if it's stock a flathead screwdriver can be used to aid in removal,5th after removal look behinde the control pannel find the main power wires by following them from the back of the unit the fuse will be about 1" long and about as big around as a #2 pencil remove it carefully and replace it with a new ceramic fuse. The fuses are about $3.00
If you don't feel comfortable doing this yourself find a repair shop it will cost about $35 dollars
Hope this helps
Please leave feedback

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Sounds like you got a bad logic board inside this unit with defuncted capcitors looks like salvation army time..

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Replace ysus board!!
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A ceramic fuse stands up to heat better than a non-ceramic fuse. I'm no pro, but it sounds like your power inverter board maybe bad. There are replacements out there. Good luck

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What might be the problem

Sounds like you had a power supply go bad in the unit which would require some extensive troubleshooting. I'd recommend a repair facility since it may be time consuming without mfg support.

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