Left 1/3 of screen has "white noise box". I can power up the tv, but that left 1/3 has a box that has no picture. It's just white with a couple of vertical lines, sometimes the line turn red/blue/green. The box just appeared one day. I have been using it for 2 years, had it hung up on wall, and on with a display that changed continuously. Never saw any symptoms or anything that looked like it was going out. I have not tried to troublshoot or called a repair place. I know the warranty is expired. I am a PC Tech so I am sure I could replace a part if needed. I just need to know where to start. Troubleshooting is hard to find on the net. Please help!
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Re: Sony PFM-42V1 42 in
Sounds like X buffer/scan or control/logic problems. without good service info you will have a hard time troubleshooting. And it will get expensive guessing. Could even be a panel, probably gonna need a pro look.
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Sounds like a burn in, this is common when some still image is left on the tv screen for sometime, the only hope is to get to a white screen or static screen and let set for awhile, like the old days when you didn't have cable or any input and the tv just frowns.
You have a very Technical problem with this TV.
you may have 2 big problems, ballast and dmd.
but it could be something else. If you decide to repair it, honestly you will spend more than 300dlls on it, if you like to, go to fixyourdlp.com
with the tv on, walk up to the cable box and turn it off. using the cable box remote quickly press the red menu key. you should see a white screen with setup information on the screen. the first setting is tv size,that should be 16 x 9. the second should be set to 1080i. and the 4:3 override to 480p. you can change these setting using the up and down arrow keys to select and the left and right to adjust the settings. don't panic if you loose the picture for a moment, it will come back. when you are done, press the menu key again quickly. then turn the cable box on using the power button at the front of the cable box.
Can you take a picture of the screen and post it? It is not possible for both the horizontal and vertical stages to fail at the same time to produce a cross. A picture of the screen would help significantly.