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Model hl72a650c1fxza white spots on screen - Samsung DLP HL-P4663W 46" Rear Projection HDTV-Ready Television

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How to fix Samsung HL72A650C1FXZA DLP TV with no sound, no picture, bright screen with lamp light flashing?


Check the bulb ballast board. It's the board that the wires from the bulb connect to. That is most likely causing the Sounds like the main board is the culprit for most of the problem. The picture problem can be the color wheel not turning. The lenses in front of the bulb should be taken out and cleaned too.

Oct 12, 2016 | Samsung Televison & Video

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I have a NEC projector in my class but projects white spots on the screen which are multiplying day by day. Has anybody solved this problem ???


1,white spots appeared on screen,means the DMD is broken,you need a new DMD.

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Feb 07, 2014 | NEC NP200 Projector

1 Answer

How to fix my 65" toshiba white pixel problem


Thats caused by the DLP chip. Unfortunately most Toshiba models will end up having to have both the DLP chip and the formatter board replaced at the same time to fix the issue where as other models only require replacing the DLP chip alone to fix the white dots issue

Apr 06, 2013 | Toshiba 65HM167 65" Projection Television

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White fog "ring" around outer third of screen. Dark spots and a single white pinhole in picture as well.


If the model above is correct you are describing a bad optical light engine, about the most expensive part inside that set.
12_13_2012_10_16_08_pm.jpg

Dec 13, 2012 | Mitsubishi WD-65737 Home Theater

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My screen is showing white spots (pixel size) How do get rid of them


On a WS-73735 the white spots usually mean a failing or damaged optical light engine.

It is a major part----Google the model number with "problems" or "light engine" etc.

Jun 10, 2012 | Televison & Video

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My SAMSUNG DLP HLT5675SX TV seems to develop little black spots all over the screen and after a while these black spots become bright white spots. In fact if a non-used Input is selected and the screen is...


It is the chip that controls the millions of mirrors inside the tv. If they are black, they are stuck closed. If they are white, they are stuck open. I JUST had the same the same thing happen with mine. I bought it 3yr and 2 months ago and I had an extended warranty on it for 3 years. Well, needless to say, it was out of warranty and I was pissed. The store I bought it from suggested I call Samsung. Which, I did. They asked for the model number and told me that my model (hlt5675sx) was one of the ones that is covered becasue they had a problem with the chip. Within 2 weeks, my tv was fixed by a repairman who came to my house. It works perfectly, now and it didn't cost me a penny. Good luck.

Jan 11, 2011 | Samsung DLP HL-P5663W 56" TV

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White spots all over screen


white spots all over screen 50' sansum model hl-t5075s

Sep 06, 2010 | Samsung 50" Slim-Depth DLP HDTV

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