The same thing happened to my HLP5063W. Researching the internet forums I concluded the problem was with the color wheel, which I replaced. As it turns out the old one was completely smashed. Go to www.jangro.com for replacement instructions.
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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!
The color wheel is not the problem. If the spinning color wheel is impaired in its RPMs it will cause picture distortion, not black and white picture. If the color wheel looses any of its color fins, like if it is broken, there will be a loud vibrating noise inside the tv which you did not mention. Also if the color wheel is broken and doesn't spin, the tv will not start up.
The likely problem is on the digital control board or the power supply and should be referred to a local repair shop for repair.
There is an outside chance that you will receive color if you experiment with using all of the different input ports to see if you can find one that will bring back color.
Color wheels do go bad quite frequently, if you got 5 years out of the original, believe me, that's good.
The color wheel is attached be a bearing, like a fan and when the bearing starts to ware out the color wheel on the shaft starts to wobble and that's what you hear, they spin I believe around 3000rpm. Try contacting your servicer again, don't be mad, maybe he'll be kind enough just to charge you for the color wheel. I'm sorry, but that's the best advice I can give you..Good Luck...
It's not connections. On that particular unit I would suspect the Digital board, Samsung p/n# Bp94-02084a or the Dmd board. Have you ever noticed the picture freeze?
In any event, sounds as though you're going in the right direction having a tech test it out, it gets highly complicated...
Not sure why he replaced the lamp - but maybe he found it was about to expire.