Question about Samsung HL-P4667W 46" Rear Projection HDTV

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We have a model HL R4667W--Our picture just went

We have a model HL R4667W--Our entire picture screen just went erratic (green "polka dot" squares) on all channels (over the air) and DVD does same thing. On some channels, it shows vertical bars instead of squares. Unplugging for 30 minutes didn't solve the problem. Any idea what went wrong and is it worth fixing?

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  • dkoepp May 03, 2010

    Thanks--I've been looking and they are hard to come by.



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Hi,Yes your problem sounds like the DMD board.This is how it works: Basically the light of the lamp goes through a tunnel that carries a color wheel(rotating disc with a gamma of colors that creates the colors on your tv)then the light of the lamp goes through the DMD board which is a chip composed of around 2 million pixels that creates the images and colors.When it starts to fail it will create black bars,pixelation,color distortion or white dots on screens. Here's a video that will help you find where the DMd chip is located : Have a blessed one!

Posted on May 03, 2010

Testimonial: "Thanks for the quick feedback. Can I buy just the board or will I need to get a complete engine?? "

  • Antonio Cruz May 03, 2010

    Most of the time they sell the DMD chip with the complete housing it's very hard to find it.But look for it by " DMD for model #

    HL R4667W



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I Get A Good Signal On Anthena But On Cable , DVD / VCR I Do Not Get Good Signal To TV, Only Green / Black Checker Type Squares With Horizontal & Vertical Lines. What Coul Be The Problem ?

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No picture on my Samsung HL-R4667W TV.

Its your Lamp if you have sound and no picture.
CK the lamp Fan make sure it is running.
Lamps Prices depend on where you buy.$85.00 up to $300.00 Look on E-Bay under Electronics/ Lamp number-BP

Mats Electronics has them for $99.00

remove your Lamp and look in middle of it,that will tell you if it is busted.

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