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Plus-sign type dotted lines all across the screen

Sharp Aquos LC-52D64U about 16 months old. When I turned it on last night it had plus-sign type dotted lines all across the screen. Same on all channels. Other TVs in the house were fine. Re-booted cable box and checked inputs. Still have the lines. Please help!

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  • debbieallen Apr 27, 2010

    I have zero expertise.....So I guess it boils down to calling someone for in-home repair service?

  • debbieallen Apr 27, 2010

    Second opinion on my problem?? It seems so unlikely to me that a near-new TV has a major problem

  • debbieallen Apr 27, 2010

    good idea. I will check another input with the DVD player tonight and see if I get the same result. Thanks

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  • Master
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Did you try a different input source such as a DVD player? Just to ensure that its not a problem with the box. Also try different inputs like component, S-video etc., and let me know so that we can look for other possibilities.

Posted on Apr 27, 2010

  • eagle338
    eagle338 Apr 27, 2010

    Sure thing you can try it and post back with the results.

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  • Master
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Hi


Thanks for using FixYa. To start with check all the cables at the back, you can also leave it unplugged for 2-4hrs. to see if that makes any difference. However, from what you have described it seems that you might have a backlight and/or an inverter board issue with this TV set. It could also be due to the inverter circuits for the backlights. The inverter is the power supply source for the backlights. There could also be a screen driver problem; if it is then you have to change the entire inverter board. All this is only recommended if you have some kind of expertise for checking the internal circuitry of the TV as these units have high voltages running even when the set is switched off. The cost to change the inverter board including labor would be around $250, if you get this done by a professional. Please do accept the solution if the issue is resolved or post a comment for further assistance.


Thanks
Rylee

Posted on Apr 27, 2010

  • Rylee Smith
    Rylee Smith Apr 27, 2010

    I would say its your call as a professional will charge you around $150-$300 depending on the parts that have gone bad and a bit more if you live in a remote area.

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