Just started on the weekend. Won't go away. The 3 dots are slightly brighter than the rest of the screen.
These sound like pressure spots. Caused by pressure to the screen at some point. Often this requires the LCD panel to be replaced.
Can pressure spots be cause by not touching it? They are too far away from each other and too big around for them to be from someone touching it. They are about the size of a quarter each, and are about 2 inches apart. Almost like a pattern. I also keep my PS3 behind my TV and near, but below, that spot. Not sure if that helps...
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SOURCE: 40 inch lcd blue line vertical
The display screen is made of a matrix of elements connected to cables
along the side and top. On your unit, some of these many, tiny
connections are making contact intermittantly thus losing the elements
in that area. These contacts are held in place with just pressure and
if that is disturbed, you lose that line of elements. Try squeezing the
cabinet of the TV on the outside at the top in the area of the loss and
see if that makes a difference. May have to go inside and see if the
contact assembly is disturbed or warped or something.
Hope ya fix it!
SOURCE: Black Vertical Stripe
try doing white wash feture in options see if u can get it out this way 1st before having to take aprt cheak cables are using old style sumtimes they do get glitch do factory reset thx for using fix ya . nick
SOURCE: LCD TV White Screen
do you still have this tv? what happens if you hit the info button - does it bring up the banner at the bottom of the screen?
SOURCE: blue dots on LCD screen
You will most likely need to replace the panel. You will have to contact Sony and they will send a Factory Trained Technician to your home to replace it. Since you are not on Factory Warranty this repair will cost you. You may find it cheaper just to replace the television.
SOURCE: philips plasma tv vertical black stripe
Check these videos for repair instructions for black lines.
Just requires some soldering.
Video 1 / Part 1
http://www.youtube.com/watch?v=9NPobj0_GSo
Video 1 / Part 2
http://www.youtube.com/watch?v=ITd6Ahdi4s0
Video 2
http://www.youtube.com/watch?v=qBpg77ZzFFk
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