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The backlights work on my tv but oneside is dark

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Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis. http://electro-medical.blogspot.com/ To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

Posted on Jan 04, 2017

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Posted on Jan 02, 2017

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1 Answer

Model 42LN5700. What caused backlight failure?


Backlights do fail, and can be replaced. If the set is more than 5 years old, it could simply be backlight failure.

Oct 15, 2015 | LG Televison & Video

1 Answer

My TV.come and have lines on oneside and Dark one the other side


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/
In some models of LCD TVS; the backlight inverter and its T'Con board will be a part of the panel itself, and will be a built-in type inside the LCD panel. If so, they can't be replaced. In this case; a panel replacement is the only repair. For some other models, the backlight inverter section circuit will be a part of the main power supply regulator [SMPS]. To such sets, the power supply section circuit too should trouble shoot. Contact any service technician. The circuit will differ with models and versions.

May 03, 2015 | Westinghouse Digital LED LCD TV Remote...

1 Answer

How do I fix my TV that will give an image after powering on, and then make it go so dark you can't see it?


This is what happens when the backlighting circuit fails. It can either be the lamp or the inverter board. This is one reason the newer TVs/Monitors are using LED backlighting. They last longer. Typical LCD backlighting can fail in as little as three years if they are left on full time.

Apr 14, 2015 | Sanyo DP42848 LCD TV

1 Answer

The picture on my tv is completely dark, but the sound is working fine. how can i fix the picture? because it's a fairly new tv


Hello
Keep a close look to the screen, and see whether there is any trace of picture on it. If it is there, you can see pale shadow of it moving. If it is there, be sure that the backlight is not there. Thhere is an inverter board to energise the CCFL lamps used as backlight component. If the inverter board got faulty, the CCFL lamps won't light up, and no brightness will be there with LCD TVs. Check it. OK.

Oct 22, 2011 | RCA L26WD12 26 in. LCD TV

1 Answer

Approximately 2/3 of the screen is dark. this started about six months ago and is progressively becoming worse. when problem began the screen would recover to full brightness after it was on for 30...


Hi there...it is sounding like a backlight is going/has gone out...these can be proffesionally replacedat a repair shop...To self diagnose if it is the backlight take a flashlight and, with tv on and while on a tv channel and carefully form different angles look into the 'dark' part of the tv screen...if the/a backlight on a lcd tv/monitor goes out(even laptop screens) then u can still see a faint image with a flashlight(or without one with a good eye)....If you still see the (tv channel) image, then it is most likely a bad backlight......
I hope this helped you some, if it did(or not) please rate!...Thank you

Apr 16, 2010 | Sony BRAVIA KDL-40S2000 40 in. LCD HDTV

1 Answer

Screen loses picture but still has sound...when off for a few minute works ok for about 2 hrs...the last time picture was lost I got a dark screen with the work INITIALIZE ..This is a 36 in TV DVD...


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 17, 2010 | Mintek DTV-263 26 in. TV/DVD Combo

1 Answer

Dark over night


Does the TV have a light sensor? If so, turn it off.
The light sensor limits the backlights intensity at night or when it's dark in your room in order for better vieweing convenience.

If you are in a dark environment, it really pains your eyes when the view is too bright. Same works the other way around. If it's day, and light in your room. The light sensor will dimm the backlight for it isn't needed.

Let me know if this solved your question.

Greetings,

DarkNeogen

Jan 24, 2008 | Hitachi 53UDX10B 53" Rear Projection...

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