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I have a hlr4667wax/xa (model code) Samsung DLP projection tv and when i turn it on the screen gets a green and white plaid checker board all over the screen no matter what input it is on.... any thoughts?
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Hi,If your tv is a dlp you might be experimenting a color wheel problem.The color wheel is a rotating disc that has a gamma of colors it spins at high rpms.The light of the lamp goes through it to create the colors on your tv.When it starts to go bad you will get color distortion ,black and white picture and sometimes you will hear humming noises.Here's the instructions to replace it http://www.fixyourdlp.com/guides/samsung/bp96-01579a.php and your part # is BP96-01103A Have a bless one!
It seems you might have an issue with the dmd board.
Go to the menu, and if the dots still show on the menu, the issue definitely is with the dmd board but if they don't come up on the menu, the issue will be with the video board.
Are you able to access the on-screen menus (like brightness/contrast etc)?
If those menus are appearing over the green screen, then it might be a cable or image source problem. I've often seen this green screen when the HDMI encryption between my cable box and my TV gets messed up. Only solution has been to power cycle the cable box.
If you can use something other than an HDMI cable to connect your TV to your picture source, I suggest trying that and seeing if you can get SD channels again. If you do get them back, it was a cable issue. If you still can't get them, contact your cable/satellite provider, see if there's something up with their signal.
You are absolutely correct, When anyone complains of vertical lines or bars, the next step is to see if it happens on only digital inputs ( digital board ) , only analog inputs ( analog board ) , or both ( DMD board ) .
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