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If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage"
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The yellow blinking light generally means that the lamp cover is open. You may have accidentally jarred the lamp while changing the DMD chip, and the lamp safety switch is not engaging. The first thing I would try would be to re-install the lamp and make sure the cover is on correctly. Let us know if that solves the problems. Thanks.
A common issue and it may be your problem is dust and dirt inside the unit---the set intakes air from the front and exhausts it out the rear==I have seen several of these sets where removing rear cover and taking stthe set outside and blowing it with a air compressor clears the issue.
Fans and other critical items that get clogged or coated with a moderate amount of dust will cause this issue.
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.
The DLP chip needs to be replaced. Samsung is aware of this problem and will probably cover the cost of part and labor. call 1-800-samsung for nearest service center. I replaced the chip on a 3 year old machine yesterday and Samsung covered all costs.
You get white spots inside the samsung DLP tv due to bad Digital Micromiror Device , or bad DMD board .
What is actually the problem is the DMV chip connected to this board . Inside this chip are 3 million tiny mirrors ,and when they physically get stuck , they either show black or white instead of a color
This is well know problem with SAMSUNG DLP...
The DMD chip is failing.If not under warranty expect to pay a few hundred to several hundred to get it fixed
The mirrors on the DLP chip are slowly sticking either fully open (white) or fully closed (black). The part that contains the DLP chip is the Light Engine. It is the most expensive part of the TV.Only the Samsung TVs has this issue.
Replacing the DLP chip and the micro mirror would solve this issue...
Hello rockel,
As the commercial goes, "It's the mirrors" and that is exactly what it is. The DMD (digital micromirror device) DLP chip that is the problem. The areas that are white are due to stuck or malfunctioning mirrors. This will only get more pronounced as time goes on. The fix is to replace the DLP chip and or module. I would advise that you get a qualified TV technician to do this.
I hope this helps
Thank you,
Shuttle83
http://www.electron-age-technologies-llc.com
Hello smoze_1
I posted this earlier, but it applies here so I'll just repost it:
As the commercial goes, "It's the mirrors" and that is exactly what it is. The DMD (digital micromirror device) DLP chip that is the problem. The areas that are white are due to stuck or malfunctioning mirrors. This will only get more pronounced as time goes on. The fix is to replace the DLP chip and or module. I would advise that you get a qualified TV technician to do this.
I hope this helps
Thank you,
Shuttle83
http://www.electron-age-technologies-llc.com
If your Mitsubishi TV has white spots in the picture , you can call Mitsubishi @ 1-800-332-2119 and request a free DLP Chip to fix the problem. They will send the New DLP Chip at no charge to a TV Tech in your area to install it for $200 flat rate. That is about a $250 savings if you had to pay for the chip . Call them with your TV's Model number and serial number and let them know when and where you bought the TV. It saved me some hard earned money and now my TV is like New !
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