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Lcd tv screen goes out after 10 minutes

I replaced the main board, but tv goes off after 10 to 15 minutes.

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Check for any loose solder terminals at it main power regulator board.

Posted on Apr 10, 2015

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1 Answer

Regarding lcd fault


Replace the main board. It will be the best. Electro help

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Samsung 46 LCD has shadow on left side of screen when TV is turned on


I would to see a picture of what it looks like. What you are describing sounds like a faulty LCD panel tab. Samsung LCD panels are known for this problem.

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Dp46849 Screen goes black after 10-15 minutes


This info was given to me by a HAM Radio friend that repairs TV's For a Living.
Disassemble TV, clean all boards from dust, unplug/replug all connectors,
most are really small, be careful, try TV again. Out Same Model TV started off the same, RIGHT bottom of screen/shadow when TV was on for awhile, since then has got worst, like 2 shadow boxes showed up, now upon startup, TV is screen is covered w/vertical lines, shut off the TV once or twice and works fine until next startup. If the above does not fix TV, look at the top of TV from Back Panel Off, Top-Center is a board called T-Con board, replace it. All the info for this board replacement is on the Bar-Code Laabel and Board itself, ie; T370HW02 VC CNTRL BD, 37T04-COG, FX-5546T03C22 (orC21)-964-0000NMP-00629-03 this board is Mgr By AU Optronics. GoTo For Parts/Pricing, they have 180 warranty on parts, aprox $45.00 for T-Con . http://www.shopjimmy.com/auo-55-46t03-c22-t-con-board.htm. He stated It IS Very Rare That The LCD Screen Itself Would Be The Problem. Right now I have Our Sanyo DP46849 apart
laying down on a bed, had to remove Base Pedestal to remove back cover,
There is a smaller cover, 2 screws u can remove to gain access to the turner board and power supply, there are 2 more boards hidden, before u remove back cover from front panel, untape wire leads from back of LCD Screen and unsnap the 2 torrid coils, black plastic things wires going through, these torrid/ferrit coils are mounted on a snap-in base, w/very small screwdriver they will unsnap from plastic base in 4 corners, if the base breaks from panel frame, just hot reglue back in place when are repairs are final. The 2 panels will seperate eaisly, if not you have some maore screws left to remove. Our TV was little dusty inside on the power supply board and alot of dust collected on some big transistors, 3 lead/legs, I'am hoping this caused the power problem @ start-up, going to clean all bard then reconnect all leads/cable, ect and retry, If no work will replace the T-Con board. Hope This Help's All

Dec 05, 2011 | Sanyo DP46849 46 in. HDTV

1 Answer

Right side of screen becomes discolored and fuzzy after 15min


if its an lcd, it could be a bad lcd panel
does the menu or volume get distorted or dark too?
yes - likely lcd panel
no - video board (main board) problem

a technician would use a can of "freeze spray" to find the issue inside, by cooling down the parts until the problem goes away.. the part you froze to reverse the issue is the bad part.

Jun 06, 2010 | Televison & Video

2 Answers

Picture great then goes black


Ur LCD inverter backlight board is dead.Replaced this LCD inverter backlight board will get ur picture back.Tries websites Shopjimmy.com,Ebay.com to buy a refurbish LCD inverter backlight board for the replacement.It a long board in shape.

Mar 11, 2010 | Element Electronics FLX-3211B 32 in. LCD...

1 Answer

My tv has sound but the screen is black. At times


Ur LCD inverter board is dead.Must replaced the board.Usally a long board.

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5 Answers

3 horizontal lines through screen and distortion


Yes this thing start happening to my tv too about 4weeks ago and this goes away in about 15 minutes. TV is only 18 month old and I donot have extende warranty. Please post the solution if someone has got it repaired. Thanks

Dec 28, 2009 | Sony BRAVIA KDL-52W3000 52 in. LCD...

1 Answer

I have a Panasonic TX 15LT2 TV, after about 15


the small signal panel needs to be replaced.
[main module]
take you tv to a factory authorized service center..

Nov 09, 2009 | Panasonic TC-22LT1 22 in. LCD EDTV

2 Answers

Screen goes dark after few minutes


check your LCD inverter maybe there is loss connection or some parts damage from inverter.

May 05, 2009 | Polaroid TLA-01511C 15 in. LCD Television

1 Answer

Half of the screen turns black after 10 mins 46" Sceptre LCD TV


YOU PROBABLY HAVE DEFECTIVE LCD PANEL THERE IS A SLIGHT CHANCE IT IS THE MAIN BOARD OR THE LVDS CABLE

Apr 10, 2009 | Sceptre X42GV-Naga 42 in. LCD Television

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