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I recently had my lamp go out on my 15 month old 46" samsung dlp tv so i replaced it...still it didnt turn on...after some troubleshooting i found out it could be a faulty ballast, so i replaced that as well...still, it does not turn on...i guess, the only thing left COULD be a bad color wheel, but my tv is not making any kind of humming

I recently had my lamp go out on my 15 month old 46" samsung dlp tv so i replaced it...still it didnt turn on...after some troubleshooting i found out it could be a faulty ballast, so i replaced that as well...still, it does not turn on...i guess, the only thing left COULD be a bad color wheel, but my tv is not making any kind of humming