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RCA L42WD22, message: unusable signal - Televison & Video

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  • tz48mz Apr 28, 2010

    fuse replacement guide or pictures?

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Whats the input source you are using? Cable box? DVD player? Did you try another source to see if problem persists? Please provide this info so that I cna help you with your problem.

Sai.

Posted on Apr 28, 2010

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There is a fuse on the digital board of the TV that need to be replaced. The part number is F1455CT-ND, and can be found at the following website:

http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail?name=F1455CT-ND

The cost of the fuse is $0.81. You may want to order more than one as that particular part has a bad habit of blowing out. If you're not sure where the digital board is located you can do a Google search using your model number and the words "service manual" (if you use the quotes around service manual you will only see the pages with those exact words together), you'll find a number of sites that will allow you to download the manual for around $5.00.

Posted on Apr 28, 2010

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