Question about Sanyo DP46848 LCD TV

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The screen is very dark on one side with line running through it. It used to fix itself after it warmed up but now it is worse than ever

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Posted on Jan 02, 2017

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SOURCE: I have a Sanyo 46 inch flat screen hdtv purchased

I have the same problem, my television is faded black on the left side with lines on the left top side. I have had the 46 inch unit for 1 year and 7 months. I am planning to write a demand letter to Sanyo and then taking them to small claims court woth evidence that this is a common problem with their units that they know about and is not trying to remedy. Also the Attorney general in Texas should have an interest in them (Walmart and Sanyo) selling these defective proucts in the state.

Posted on Jul 28, 2010

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SOURCE: I have a Sanyo 46

There is no solution this has happened to me 3 times in 13 months each time they replaced the screen panel (basicly the whole TV) I have a 2 year service contract, the next time it does it they will not bring it back but will write me a check for the price I payed for this peice of ****.!!! Do not bother fixing it.

Posted on Oct 22, 2010

joeguest2
  • 2080 Answers

SOURCE: I have a SANYO DP46848,

This is likely a problem with your TCON circuit board inside the back of the tv.

The TCon board usually has 2 (or 4) very thin ribbon like cables running from connectors on the board to the actual LCD screen panel. Each ribbon controls one half (or one quarter) of the screen. If you are lucky, it's possible one of the ribbons came loose or is not making proper electrical contact with the connector on the TCON board.

If your tv is out of warranty and you are comfortable working safely with electronics then you may be able to repair this yourself with a few hours of screwdriver work. The ribbons may just need to be reseated in the little flip up connectors, or you may have to clean the copper at the tips of the ribbons gently with a pencil eraser to remove any oxidation.

If you are unlucky enough to have a bad TCON board or are not comfortable disassembling your tv yourself then you can bring it in to the shop and they can probably repair it for less than $150.

Good luck and please post back with how you make out.

Posted on Jan 25, 2011

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I have a Sanyo 46 inch flat screen hdtv purchased from walmart sept, 2009. Sure enough, months later my tv is having picture problems and getting worse. It started having portions of the screen darken,...


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The problem is the data buffer IC soldered on the flat flex cable between the LCD panel & the buffer board that gets damaged or loose soldering. If you be able to fix yourself, you may find some videos on YouTube, it will show you how to fix the buffer problem.

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I have the same problem, my television is faded black on the left side with lines on the left top side. I have had the 46 inch unit for 1 year and 7 months. I am planning to write a demand letter to Sanyo and then taking them to small claims court woth evidence that this is a common problem with their units that they know about and is not trying to remedy. Also the Attorney general in Texas should have an interest in them (Walmart and Sanyo) selling these defective proucts in the state.

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If it's an LCD TV, then what your seeing is Liquid Crystals inside. Chances are that someone has bumped the LCD or damaged it, and now the screen is broken. The "Dark Lines" are from misfiring pixels which is a sign that the LCD is damaged and will either stay the same, or get much much worse. I'd lean towards much much worse.

Just keep it until it really gets bad then just replace it. You can have it fixed, but the repair would cost more then just buying a brand new one.

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