Question about Sharp R-630D Microwave Oven

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Sharp R-630D Hi Paul, I didn't get a response to my additional post. (after I unplugged and plugged the unit bak in) There is no display when it's idle, but there is a faint dispIay when inputting numbers or ioperating. Thanks. Lew

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  • LewR Apr 21, 2008

    Paul,



    I was able to enter the time and everything is working OK but the
    display is still very faint. I'm reluctant to do any repair work
    myself, so I'll take it to a repair service for an estimate.



    Thanks.



    Lew

  • LewR Apr 24, 2008

    Thanks Paul,



    I unplugged the unit on Monday night and left it overnight. On
    Tuesday, when I plugged it back in again, it worked fine! (and still
    does). I wonder what the problem was?



    Lew

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Hi, sorry fixya site is having some problems the experts are not recieving the emails with your response so we have to do it the long way and it takes ages going through all the posts we have helped on.

Ok then if the display is faint then the chances are its going to be the lcd display thats the problem as the display is working its just not lit up so replacing this will solve your problem but its not an easy job to do and is extremely dangerous microwaves are one of the riskiest things to work on as they give of radiation so breaking any seals can cause damage to anyone standing next to the microwavy.

The display is usually lit up showing the numbers but as you can see them faintly this tells us the circuit is okay and not shorting so its not anything drastic but replacing would be difficult.

If the inside is fine where the runners are then the chances are it would be worth getting repaired but if the paint has worn away or any rust is visible then the safest option is to replace it ok.
Let me know if you need further assistance ok

Posted on Apr 21, 2008

  • paul proctor Apr 23, 2008

    No worrys mate thats your best bet you probably find the part itself will cost next to nothing but it involves striping it completely untill you get to the display board the chances are its just a capacitor or depending on how yours is made it could even be that a small led bulb has blown like the ones use on mobile phone keypads as you can see the numbers then you know the display is working and its just not getting any light so thats what i would say the problem is.

    As i said part should be cheap its the doing thats going to cost even soldering the new part in will only take few minutes but its getting to that part that takes the time. Its not worth risking it yourself as they a really dangerous if you get it wrong can cause harm to you or your family as its radiation your working with.

    Hope it goes ok for you and good luck in everything you do ok

  • paul proctor Apr 25, 2008

    Hi glad you solved your problem if this is the case then it could be down to a bad solder and tunring off for length of time allowed it to cool and as the solder joints are open to stress from being hot and cold but leaving it off must have resettled the solder you might find youll be ok for another few weeks or even months you may never have another problem.
    But it does rule out it being parts failing as it wouldnt be working again if say a resistor or capacitor had blown so the only option it could be now is a solder problem even if you knocked the microwave this is somtimes enough to settle the solder back into place creating proper connection.
    So i would say its not much to worry about but if it does it again and switching off over night dont help then give the microwave a gentle hit with your hand as this will help if their are solder problems.

    If you wanted to get this repiared then it would cost pennys for the solder but the expense would be the actual work getting to the solder it could cost more than a new microwave.

    Any way really glad you got it fixed let me know if you need furtehr assistance ok good luck with everything you do ok

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