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Sharp R-9X56 Convection Microwave.

Microwave Sharp R-9X56

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2 replies to this topic

#1 Embroiderr

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Posted 09 April 2014 - 02:33 AM

Currently looking at diagnosing and repairing above much loved convection microwave.

I have the repair manual and an idea where to look but have one -probably simple question for the initiated. It says to do the three Ds: unplug, wedge oped the door and then discharge the high voltage capacitor. How do I do the last bit. I have searched the web and come up some disturbing and not safe looking videos. Do you reall just short it out?! I don't want to damage any other parts in the process and want to achieve the aim and live!

Some sensible answers please.

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#2 suampman

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Posted 09 April 2014 - 08:50 AM

That is what you do, you short the terminal of the capacitor to ground. Make sure the power is turned off. If you have any reservations about doing it, do not do it, get a pro. Can be extremely dangerous.

#3 Chat_in_FL

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Posted 10 April 2014 - 08:28 AM

How To Discharge The High Voltage Capacitor:

 

The capacitor is discharged by creating a short circuit (direct connection) between the two capacitor terminals and from each terminal to chassis ground bare metal surface.

1. Do this by touching the blade of an insulated-handled screw driver to one terminal, then slide it toward the other terminal until it makes contact and hold it there for a few seconds. (This can result in a rather startling "pop!")

2. Repeat the procedure to create a short between each capacitor terminal and chassis ground.

3. If the capacitor has three terminals, use the same procedure to create a short circuit between each terminal and then from each terminal to ground.

4. Older Amana-made models (generally those manufactured before 1977) have red, round filter capacitors mounted in the base of the magnetron tube which can also hold a charge. Ground each magnetron terminal by creating a short circuit to chassis ground using the blade of a screwdriver as explained above.


Edited by Chat_in_FL, 10 April 2014 - 08:29 AM.

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The views and opinions expressed in this post are those of the author and do not necessarily reflect or represent the views and opinions held by my employer. All data and information provided is for informational purposes only.

 

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