Picture very dark

Line Defects On Vizio TV Screens

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Troubleshooting Distorted Pictures - Stereo & Video Repair ...

www.stereoandvideorepairco.com/.../DistortedPictureTroubleshooting.ht...
Usually, this occurs on CRT projection TV's, and occasionally on CRT ... Dark, light, or colored bars can be seen rising slowly through the picture, ... Known as "hum bars" or "common-mode noise," these result from AC power line hum coming ...

Flat Screen TV Has Lines Going Through Screen - Possible ...

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Jun 17, 2015 - Flat Screen TV Has Lines Going Through Screen - Possible Bad ...inch LCD TV which is showing lines (vertically) and getting extremely hot. ..... If you leave the projection TV on for a certain amount of time does it ..... If so the plasma gas is most likely causing the screen to become distorted or color issues.

Distorted Colors in an LCD Projector ' Business ...

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Fault to its main board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/ . In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

no picture and no sound

The backlight seems to be burned out. https://www.youtube.com/watch?v=oE6K4xBVweA

These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

Convergence problems are very common on all Projection TV sets including Sony,Samsung, JVC, Philip Magnavox, Panasonic, Akai, Pioneer, Hitachi, Zenith, and others. You can get a convergenece repair kit wiith instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms

• Screen Looks 3-D
• Colors wont align
• Screen may look distorted or warped
• No Audio/Video - makes a chirping sound.

Problem #2

Another common problem is dull or washed out video.
Your TV may have one or more of the following symptoms....

• Dull looking picture
• White looking picture
• Halos around objects
• Red/Orange looking picture

You can see some more examples and find a fix here
http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

In that set its usually a bad picture tube. The lines you are seeing are called retrace lines. You can take it to a shop and they may be able to rejuvenate the tube

The most likely cause is shorted convergence chips and possibly a few pico fuses.

These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony,Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer Hitachi,Mitsubishi,Zenith and others.
You can get a convergenece repair kit with instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2
Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

You can see some more examples and find a fix here http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

It is problem of failure of convergence ICs or related circuit. Please confirm model number of your TV that is Sony KP-57WS500 to help you out.
It would be nice if you could past TV snap shot here for easy understanding.
Thank you.

do you happen to have any speakers of any size within about 3 feet in any direction of the tv?? move them if so, I have large speakers about 5 feet from my tv at home and i still get some distortion once in a while with red and dark green streaks.