White dots on screen of my 65HM167 - DLP TV

I have 4 to 5 years old Toshiba 65HM167 - DLP Projection TV.(Serial # 35135210).
Recently I see few white dots on screen.
Can Toshiba change the faulty chip and fix this problem ?

Good luck with that.  We called and they told us to call a repair center and have it fixed.  With this many posts, it's obviously a defective chip - but Toshiba won't admit that and fix it..... 

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