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White spots or dots showing up on your TV's screen could be the result of a bad or damaged processor or due to some overheating occurring the summer time or cold weather temperatures during the winter time. TVs can be affected by electricity surges or spikes as electricity supplies vary throughout the year. Or power outages and brown outs and black out can also cause spots to be on the TV screen too.
Panel should be suspected. If you wish to get some details; check the site linked here. Viewing it in "Mosaic" will make surf easy. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/
Hi, White dots are due to bad DMD chip and qualified tv tech can replace required DMD chip in this tv to fix the picture issue. Please contact nearest Samsung service center or local tv repair shop for repair estimate. Thanks.
This is a known defect that Samsung should correct at no cost to you whether or not your TV is under warranty. Contact Samsung at their 800-Samsung and tell them you have the 'white dot' problem - advise them that there is an alert on this issue. My TV is over 3 years old and they are taking care of it; just waiting for the part at the moment.
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