Question about Sony Bravia KDL-42V4100 42 in. LCD TV

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How do I make the tv screen brighter - Sony Bravia KDL-42V4100 42 in. LCD TV

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White screen


T'Con board fault. Check and replace it. If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
Faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.

Dec 17, 2015 | LG Televison & Video

1 Answer

Tv screen pushed on by child


the inner screen may be fractured. and only way to fix is a new screen. over time the screen will worsen and crack or even end up with a spiders web.

Oct 02, 2013 | Televison & Video

1 Answer

LCD screen keeps freezing


1 or more of the cold cathode must have been busted, the reason why a portion of your screen is brighter. It could also be the ballast transformer. It is also the reason why your screen stops when it warms up. Deffective cold cathode and its ballast has direct effect on the power supply. Replace all deffective cold cathode and ballast, and resolder all terminals connected at the surface of the power supply board. Be very careful with the ballast transformer, its input is 12 volts and high voltage output.

May 17, 2010 | Toshiba 56HMX195 52" HDTV DLP Projection...

1 Answer

Hdtv has a red screen


Looks like you got some convergency issues there, I would consult a local repair place like www.teexp.com put in your zip code and see if they service your area and TV.

They can also give you a estimate on how much it will cost to get it repaired.

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/edwy_1a56970cf1ea4620

Jun 12, 2009 | Hitachi 57S715 57" Rear Projection HDTV

1 Answer

Line down middle of screen. TV is brand new fresh out of the box.


It is a bad unit. If it's new, get it replaced, there is no repair for this problem. Hope this helps.

May 31, 2009 | LG 50PX5D 50 in. Plasma HDTV

1 Answer

HP Pavilion laptop battery life


Maybe your battery aging, battery's life is about a year (I also use laptop)
If you often use external power supply, take out the battery, it will extend battery life, because the battery's life depends on the times of charging and discharging.
You say the screen is brighter, some laptops have a default value of setting LCD screen in computer system, you can adjust the brightness youself. Press "EN" key, and press "upward" at the same time, the screen can be brighter.
Or you can get a replacement battery,
I don't know what's the brand of your laptop, I have bought a battery online, the quality is OK.

Jan 05, 2008 | JVC AV-27230 27" TV

1 Answer

Picture smear and screen brighter on the right hand side


If you know how to read a service manus then what you are looking for is a possible bad cap on the 200v source feeding the video output collectors or video output IC. That is the first suspect.

Apr 05, 2007 | Sylvania SST4322 32" TV

1 Answer

Not Working


its the high voltage regulation,the power supply regulators bad or could even be a bad picture tube. now If you have done electronic repairs in the past then I would advise you to get a service manual and see whats going wrong by monitoring the B+ while the set gets turned on BUT if you dont know what a regulator is I would advise that you call or take thats right take the set to the repair shop and see what the friendly person says. if they have a flat rate thats a good thing. BUT if they have an per hour rate then thats where your gonna have to say to your self >> "myself?? how much did I spend for this tv?? is it worth repairing??" Its all on your guess. Good luck

Apr 27, 2006 | RCA T09084 9 in. TV/VCR Combo

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