Its a tiny fan inside the silver cabinet where all the plug in jacks are. It keeps the pc boards in the cabinet cool. Most of the time you can blow out the dust in the fan with canned air. If this doesnt work, you will need to replace it. Partsstore.com carries them. You have to get the exact match since the TV reads the amperage so computer cooling fans wont work.
Little white dots are starting to apear -- started out with one about a week ago now it is up to about six
Befour you go changeing fans make sure conetions on plug are good
SOURCE: Samsung 61" DLP 3 Blinking lights.
all 3 lights blinking means lamp has a fault the service manual says replace the lamp. If you need the service training manual for that model let me know and I will post the link as the training manual has excellent trouble shooting breakdowns for that model DLP
SOURCE: Own a Samsung DLP TV 42 inch and white dots have
The random whit dots you are seeing is more than not the DMD or million little mirrors board. The white spots represent some of the mirrors that are sticking in the on position. In that case they are always reflecting white light from the lamp. I don't concider the DMD board a do it yourself repair since on the older DLP set it requires mechanical alignment as well. The best thing to do is contact a techincian and see what they might charge to repair the TV for you. Please take a few moments to rate my answer...Thanks..
SOURCE: Obtain repair manual for Samsung DLP projection TV's.
You can get the service manual by download link within minutes from the following link. Just scroll down the page and you will see your model listed.
http://www.tvrepairworld.com/service_manuals
Testimonial: "Your solution was very timely and helpful. Thanks"
SOURCE: Samsung hln617w dlp tv won't turn on. Red temp
Had similar problem. Thought it was the lamp. Examined old lamp but it appeared to be good. Ordered a new one anyway. Changed the lamp but the TV screen would not come on. It would make the usual noise as it was going to come on normally but it would cycle 3 times & then turn off. The LED lights in the front panel would indicate a defective lamp. Then read about the ballast. Changed the ballast & still same problem. Tried starting the TV without the lamp installed & noticed that the color wheel did not spin. Removed old color wheel & discovered it was broken. This appears to be the cause of all of my problems. I wish I new earlier of the test-turn on the TV without the lamp being installed & check to see if the color wheel is spinning. Would have save money on the lamp & ballast.
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