Dark spots on screen on DLP when screen is white

Replace the DLP chip . You can get one at shopjimmy web site.

Check and replace its lamp.

1,white spots appeared on screen,means the DMD is broken,you need a new DMD. USD150-200
any questions, feel free to ask me
have a nice day!
Jerry Lampdeng Limited

The DLP Chip is failing .The DLP or Digital Light Projection Chip contains up to 8 million tiny microscopic mirrors that tilt to project a digital image onto the screen. These mirrors are failing causing light and dark spots to appear.Unfortunately fixing this projector is probably going to cost more than buying a new one. Hope this helps.

The DLP chip is going bad. You are better off buying a new projector.

Any spots that are white are not dust on the output side of the bulb. This is a component failure. IF it was dust it would be dark spots.

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.

<span id="ctl00_ctl00_MainColumn_CenterColumn_ThreadSolutions1_Repeater1_ctl00_lblSolution">DLP/mirror chip is going bad. A common problem on Sammy TVs after 2-3 years. Chip is user replaceable (try samsungparts.com or ebay) for about $150-200. Sammy was (last year) repairing the DLP White Spot problem for free. You MUST talk to ECR (executive customer service) to even think about getting that consideration--forget the standard CS people. Don't know if they are still covering this out of warranty in 2010.</span>

It's a bad pixel spot. I have a TV that has a dark spot.
Nothing you can do about it.

If you bought the set new you might just want to contact the manufacturer - if they are decent, they might just try to help you out with your dilemma.