Sharp LC-26DV12U 26 in. LCD TV/DVD Combo Logo
Posted on Dec 29, 2009
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Sharp lc-26dv12u about 2years old. All of a sudden

Sharp lc-26dv12u about 2 years old. All of a sudden the screen freezes and the picture deteriorates. This occurs 2-3 minutes after powering on.

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  • Master 1,077 Answers
  • Posted on Dec 29, 2009
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Joined: Jan 11, 2009
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Sounds like the Main mother board is the problem. When the processor chip overheats, the programming information passing through the chip slows down. Most cases, replacing the main mother board will fix the problem.

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Lost operating manual

You must contact Sharp on this discontinued unit:
http://www.sharpusa.com/
Sharp at: 800-237-4277

http://www.sharpusa.com/CustomerSupport.aspx
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I have a Sharp LC-26DV12U and when trying to play a DVD it says it is 'reading' the DVD and then says 'incorrect disc'witha DVD it use to play?

It does this on ALL DVD? It it does, then you have DVD player transport failure and not much you can do to fix it (you can try lens cleaner, but I doubt it). You will be better off spending money on an external DVD player than buying the replacement transport for this TV and I doubt that if you can find a brand new one (I would not buy a used transport).


Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Parts: www.interliquidparts.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series.
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I have a Sharp (LCCC-26DV12U ) Televison that I get sound but no picture when I first turn it on. I must try 4 or 5 times before it works. the picture when it does come on is clear and perfect.The set is...

Hello
First check its main ON/OFF switch for any contact problem. Just repalce it with same type. It can be replaced, and can be bought from most of the electronic sparepart shops at your town. Soem switches will poise this type of probelm. To make it sure, is it with switch, just switch ON your TV and try to get the picture. At this position switch it OFF BY PULLING OUT THE POWER PLUG FROM THE WALL SOCKET; and push it again. If the TV works properly. make sure that the inside contacts of the ON/OFF switch is faulty. If no picture comes at this time. the memory IC inside your TV circuit is faulty and should be replaced. OK.
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Sharp Aquos 46 In TV Problems:

Sharp list no issues or service tips for this model but I am sure most freeze ups are and issue of weak cable signals or defective cable receivers. If this has truly been elimnated the main digital pcb in the TV could be issue or more likely the TV may need the latest software upgrade. This is most likely only able to be facilitated by a Sharp auth. service center.
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