Question about Dual XDVD8181 Car Video Player

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Sharp TV switches to "input 2"

I bought a used Sharp 32" TV last fall (the "big" kind, not LCD). Worked fine for a month or so, but now it switches itself to the "input 2." Seems to happen primarily when it's cold or raining outside... but not every time. It can go weeks without the problem, and then it starts up again. Thoughts?

I'm simply guessing on the model below...

I have a 36" Sharp model 36C231 (Approx 7-8 yrs old). This past week it started switching on "input 2" randomly. We tried taking batteries out of the remotes to be sure it wasn't the remote. No luck there. Our other TVs in the house are fine, so its not a cable issue. I hope someone out there has a solution.

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  • joei-1 Feb 15, 2008

    We have the same problem with our 36in sharp. The inputs on the front seem to be very sensitive. My husband thought it was dust getting in there, but even when I keep the little flap down it still switches.



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There's an option on the menu to tuen 'demo mode' on and off. If it's set to on, that's your problem. It will be switching input sources every 2 minutes or so. Switch this off and it'll be ok again.

Posted on Jul 25, 2010

  • sblaise4
    sblaise4 Jan 28, 2013

    Thanks, that's exactly what it fine now


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I have a fairly old ( 6yrs ) Dual brand Tv, which switches on, screen flickers then switches on to<!-- from fixya rte -->

Posted on Aug 11, 2010


I also had this issue and was convinced that it was an external signal issue. However, if you dig through the setup menu you'll notice both "auto input" and "universal plus" are set by default to INPUT 2. I've turned both of these settings to off and haven't had a problem since.

Hopefully this helps.

Posted on Oct 16, 2008

  • mattstormm Jun 29, 2011

    Thank you!!!!!!!!!! We have had this problem for months and finally found a solution!!!!! Can't thank you for this post enough!

  • michaelphxaz Aug 02, 2011

    This solution works. Thanks for taking the time to post the resolution.


M y Sharp 32" switches to input 2 RANDOMLY.
Anyone have the fix?

Posted on May 08, 2008

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Posted on Jan 02, 2017

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