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I have replaced the blub and color wheel on my Samsung HLN437W DLP. I continue not to have a picture. I just get a blue screen. All three lights blink of the front of the television. What part should I replace next?
Thank you

Hello,
If you are getting no image just a blue screen I would first double check every input, if the DMD board fails it can cause this image malfunction, so I would make sure its not a simple input mistake first!
Hope this helps.