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Sharp aquos lc26sh12u no menu screen appears

I am working on a 26 inch lcd flat panel. It started blowing a fuse and would blow fuse again as soon as replaced the fuse so i replaced faulty parts by exchanging parts with another lc26sh12u i had with a broken screen. Now fuse no longer blows and tv powers on but all i get is a blue screen and no menu or any kind of display. it will not respond to remote menu commands or any kind of button command. It only turns on and off with remote or with tv buttons can anybody tell me how to fix this problem?

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  • David Lowry Feb 20, 2008

    I have a Sharp LC-26SH12U problem is almost the same. my set comes on for about 2 minutes then goes to the blue screen. then if i turn it off and back on, it might run for a minute, then the blue screen. Any idea what might cause this problem?

  • Anonymous Mar 12, 2008

    I have the EXACT same issue as you... just blue screen and doesn't respond to any remote control commands... (except for on/off)

  • isimps Mar 29, 2008

    I also have the same problem, first no video only sound, now nothing, only turns on and off

  • phaedra47 Apr 03, 2009

    I have a sharp aquos lc26sh12u I was watching it and picture went off--still had sound. After unplugging I was hoping for a reset--now no pic or sound. TV powers on, but remote and tv buttons do not work so no pic. any ideas?

  • Anonymous Mar 14, 2014

    Changed batteries on remote and even bought a replacement remote. TV only responds to commands when remote is directly in front of tv and only 12 inches away. Can the sensor be fixed?

  • Anonymous Mar 25, 2014

    Lcd tv on by remote but unable to off by remot ; display/sound can not be start by remot; but blue screen con be start



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As you have a good screen, I would check ebay for the display controllers as there are so many available after shipment drops and kids with hard toys.
what you have been troubleshooting so far is analog , now its likely a digital issue , all you can look for is the the cpu is running,
is it getting the 5v + and the say 20 or so volts.

Posted on Feb 04, 2008


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