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Old 02-26-2015, 09:27 AM   #1
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Repairing my Sharp Microwave

I am repairing my Sharp Microwave Convection oven and before I start, I want to know if anyone knows about the danger of a shock from stored up electricity. Someone told me to watch out for this and I thought maybe somebody here could tell me more exactly where it comes from .
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Old 02-26-2015, 09:51 AM   #2
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micro.

after removing the unit or gaining access through the front panel you will see the high voltage capacitor with the diod on it you must be carefull and use a screw driver and short across the two termanels of the capacitor making sure any part of your self is touching anything
,the capacitor holds a charge for ahwile also make sure the unit is unpluged pk42
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Old 02-26-2015, 10:37 AM   #3
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if you are just replacing it no problem BUT do not open the cabinet with out first educating your self on capacitors
be safe
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Old 02-26-2015, 08:26 PM   #4
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Well if he doesn't do what PK42 says he WILL become extremely educated on capacitors!
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Old 02-28-2015, 02:21 PM   #5
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If it will not turn on I'd first check the internal fuse, I think it's a 3A automotive-type 120VAC fuse.
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Old 02-28-2015, 03:32 PM   #6
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I really would not do exactly what PK said. Make sure you have a clean wood or plastic handle on the screwdriver. Hold it by the handle and make sure your hand is not close to the metal on the screwdriver. Then without touching anything else short out the two terminals of the capacitor. Microwaves have some really high voltages in them and you could get a bad burn. If it indeed is charged up you will see one hell of a spark and a hear a loud crack. Then go change you underwear and remember what I told you. It may not spark and might be discharged. Better to be safe than sorry.
Oh the reason I mention a clean handle on the screwdriver is if there is any dirt the capacitor could send the charge through the handle if you happen to be making a better path to ground.
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Old 06-04-2015, 09:58 AM   #7
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Door will not open on Sharp model R1874

All of the features work on my microwave oven but the door will not open now! I can remove the upper grill and then access the one screw that allows the control panel to tilt out, then I use a putty knife to release the latches. Has anyone had the same problem and if so did you repair the problem by yourself or would a technician be required? Have a great day!

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Old 06-04-2015, 06:08 PM   #8
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I wonder which is cheaper, buying a new microwave/oven, taking the old one to a repair shop or the hospital bill?
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Old 06-04-2015, 06:27 PM   #9
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New ones is cheap. I just replaced mine.


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Old 06-05-2015, 09:19 AM   #10
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New Microwaves are cheap. New microwave/convection ovens are not. Still might be cheaper than a trip to the hospital though.
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Old 06-05-2015, 05:09 PM   #11
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By asking the question in the first tell me you are a smart person with limited experience when dealing with electricity. Playing with a large capacitor is not the place to learn.
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Old 06-06-2015, 05:43 AM   #12
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Ramzfan
By asking the question in the first tell me you are a smart person with limited experience when dealing with electricity. Playing with a large capacitor is not the place to learn.
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Old 06-06-2015, 05:57 AM   #13
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Quote:
Originally Posted by Ramzfan View Post
I am repairing my Sharp Microwave Convection oven and before I start, I want to know if anyone knows about the danger of a shock from stored up electricity. Someone told me to watch out for this and I thought maybe somebody here could tell me more exactly where it comes from .
After 9 years of loyal service, don't you think you can afford to buy a new one ?
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Old 06-06-2015, 01:41 PM   #14
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i had the same micro /convertion oven i did work on mine if you can open door with knif e you might be able to see what the problem is .cou;ld be broken plastic part that opens door.could have trouble getting part.i ended up replacing with regular microwave good luck bill
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