Actually, changing the color wheel does not need to be done by a trained tech. Google "How to replace color wheel on Samsung DLP" and the post by Jangro.com is very helpful. It should take about 2 hours the first time you do it and the part costs ~$90 delivered to your door.
Samsung HLN617W 61 in. Rear Projection HDTV. Left side of screen has 4 inch section from top to...
(More)
Samsung HLN617W 61 in. Rear Projection HDTV. Left side of screen has 4 inch section from top to bottom where the screen is darker than rest of tv. How do it fix this?
have a 63" dlp model HLN617W and its making a grinding noise it turns on then shuts itself off...
(More)
have a 63" dlp model HLN617W and its making a grinding noise it turns on then shuts itself off again and tries to restart then all 3 lights start to blink.