I have a 40 inch flat screen TV which has sound but a white screen with flickering lines and has an image. Is it fixable

The model would have helped. Generally horizontal lines in the picture come from a defective panel and the set isn't fixable, you could try replacing the t-con board but chances of fixing it are slim

If your LCD TV or monitor has stopped working, or is displaying one of the following symptoms, then it's a candidate for some new capacitors
- Flickering screen
- Screen image disappears after several seconds
- Dim screen
- Slow start
- Power LED on, but no picture
- Unusual colors and/or lines
The primary cause of LCD TV and monitor failure is caused by faulty capacitors. You can examine the capacitors in your LCD TV or monitor and actually see if they are bad.
If they appear bulged on top, then they need to be replaced.
New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life of your monitor or TV by several years.
Check the cables, connectors and connections.
Take it to a repair shop.

If your LCD TV or monitor has stopped working, or is displaying one of the following symptoms, then it's a candidate for some new capacitors
- Flickering screen
- Screen image disappears after several seconds
- Dim screen
- Slow start
- Power LED on, but no picture
- Unusual colors and/or lines
The primary cause of LCD TV and monitor failure is caused by faulty capacitors. You can examine the capacitors in your LCD TV or monitor and actually see if they are bad.
If they appear bulged on top, then they need to be replaced.
New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life of your monitor or TV by several years.
Check the cables, connectors and connections.
Take it to a repair shop.

If your LCD TV or monitor has stopped working, or is displaying one of the following symptoms, then it's a candidate for some new capacitors
- Flickering screen
- Screen image disappears after several seconds
- Dim screen
- Slow start
- Power LED on, but no picture
- Unusual colors and/or lines
The primary cause of LCD TV and monitor failure is caused by faulty capacitors. You can examine the capacitors in your LCD TV or monitor and actually see if they are bad.
If they appear bulged on top, then they need to be replaced.
New capacitors will solve a host of problems in LCD monitors and TV's and will extend the life of your monitor or TV by several years.
Take it to a repair shop.

Hi,

Uh-Oh....Vertical lines, NO PICTURE. That is NOT good.

Did your TV get hit or fall over?

The LCD panel is actually broken.

If you had a picture on it, it would still be a bad LCD panel, but when you get lines and no picture, it means the row/column bus has been severed somewhere.

The downside is the LCD panel will cost the same or more than the TV set.

I wish i could have a better solution.

Let em know,if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

I Hope this helps!

Sony has extended the Warranty for people experiencing picture anomalies due to LCD Panel failure through October 31, 2012.

See here:
http://esupport.sony.com/US/perl/news-item.pl?news_id=378&template_id=1

IF YOU FOUND MY SOLUTION HELPFUL PLEASE VOTE 4 THUMBS UP.
(any less hurts our averages)
Thank and Good Luck!

If the main PCB is not cracked too bad, it should not be expensive to repair. You have lost vertical deflection causing the flat line.There may be a crack at the flyback, where the vertical IC gets its operating voltage, or a crack at the pins of the vertical IC itself.

Hello,

Take the TV to a local TV Repair shop.

Ask them to check the Inverter and the Power Supply.

Deffinately fixable.

Take the television back to where you bought it and maybe they might repair it or swap it. It sounds like a defect in the TV.

BUT! Are you sure that its not just the aerial signal??

Your tv has a video problem, leak capacitor in video section, near in flyback need to replace it.