Question about Toshiba 57HM167 57" HDTV

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I have a toshiba HD DLP TV model 57HM167 and white spots have started to appear on the screen for about a month now. There are over 15 white dots now and I cant find an answer on how to fix it. I was told it might be a DMD chip? If so, where do I get parts to fix it?

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Posted on Jan 02, 2017

Slinteriors
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SOURCE: Toshiba 52hm84 DMD board

The DMD panel is made up of individual " Digital Micromirror devices" (DMD) one mirror per pixel. They are HD2+ DMDs which are the 4th generation DMDs. I dont have a part number but what is your set doing for symptoms? DMDs are basically small mirrors mounted on hinges that react to the digital inpulses so the signal can aim the mirrors percisely. Toshiba should have a replacement panel available. Let me know if I can assist you further.

Posted on Jul 16, 2008

  • 184 Answers

SOURCE: Samsung DLP HL-S4266W White dot problem

Its the DLP IC chip itself that is bad. The DMD board is where the chip resides but if you order a board, it will come without the chip. Its not cheap and the replacement is tricky because the DMD board must be removed and then an alignment of picture centering will be necessary.

michtech

Posted on Feb 14, 2009

  • 14 Answers

SOURCE: tv repair manual samsung hls4676s

dmd chip

Posted on Oct 24, 2009

  • 69 Answers

SOURCE: samsung dlp tv. white dots scattered across the

your dlp ic is going bad and needs nto be replaced. some of the mirrors are getting stuck they will appear as black dots or white dots. it usually starts as one or two and will continue to get worse over time.

Posted on Feb 07, 2010

dduncan774
  • 760 Answers

SOURCE: There are white spots on TV . Heard it can be the

There is a very easy way to decide if it is your Digital board or your light engine. When you turn off your TV and the logo come up, are the spots still there? If they are then your light engine is bad and needs to be replaced. If they go away, then your digital board needs to be replaced. And yes you can get that board from just about anywhere.

Posted on May 05, 2011

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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

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White dot for DLP Projector TV is not because of the light buy. It is caused by aging DLP chip ( DMD Chip.) Your TV DLP Part should be the following image:
2_23_2013_5_55_48_pm.jpg
Check the post how to place it diy

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Hi, I have a mitsubishi 65" DLP model # 65733 that I bought in December 2007 brand new, about six months ago I started spoting white dots on my screen that started blinking and then became permanent, thinking is was dust I cleaned everything inside with compressed air without success.
The stars multiply daily to a point that it was intolerable to watch anything with all the white stars and a few black ones that showed up.
We called mitsubishi but got no where, I was out of warranty. (they still deny having a problem with their DLP's)

I had a service tech inspect the tv and was told it could run about $800 to $1000 to replace the light engine with refurbished parts with 90 day warranties.

Researching on line I came across a DLP chip that is compatible with several mitsubishi and samsung models, so I decided to chance it, and replace just the DMD chip before we trash the tv, it was unthinkable to pay $800 to repair a tv that we could buy now for under $900.
Thanks God the "gamble" paid out and the problem got solve with just $150 DLP chip in about 15 minutes of my time.
If you are not mechanically nor electronically inclined, I recommend you use a technician for the installation, but don't let anyone tell you you need to replace the whole light engine, it is a ripoff.
If your problem is just white or black dots on the screen that do not move.......this will solve your problem!!

P.S. Hope this will help you and for the record..... "I will never buy a mitsubishi product again".

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Bright white spots on mitsubishi wd-73833 I just replaced the lamp and now these bright white spots have started to appear!


This unit uses a DLP (digital light processor) chip and if this starts to fail then you will get spots appearing on the screen. The DLP chip will need to be replaced.

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<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>

Apr 20, 2010 | Televison & Video

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Mitsubishi dlp tv WD65733 has white spots, like stars on screen, what causes this


If you get White or black dots all over the screen (DMD symptom)
If you get a pixilated picture (DMD Board)

Mar 27, 2010 | Mitsubishi WD-65733 65" HDTV

1 Answer

Samsung dlp tv. white dots scattered across the screen. never change, always same spots. also appears to have some black dots


your dlp ic is going bad and needs nto be replaced. some of the mirrors are getting stuck they will appear as black dots or white dots. it usually starts as one or two and will continue to get worse over time.

Jan 28, 2010 | Samsung Televison & Video

3 Answers

Own a Samsung DLP TV 42 inch and white dots have


The random whit dots you are seeing is more than not the DMD or million little mirrors board. The white spots represent some of the mirrors that are sticking in the on position. In that case they are always reflecting white light from the lamp. I don't concider the DMD board a do it yourself repair since on the older DLP set it requires mechanical alignment as well. The best thing to do is contact a techincian and see what they might charge to repair the TV for you. Please take a few moments to rate my answer...Thanks..

Nov 15, 2009 | Samsung DLP HL-P4663W 46" Rear Projection...

1 Answer

I have white dots appearing on my samsung dlp.


If the white spots are appearing in different spots or "Moving" it is the DMD board beginning to fail. Samsung DLPs seem to have a lot of DMD board failures. I would expect it to completely fail in the next couple months.

If there are only a couple small white spots that never go away it could be a mirror that is seized on the chip, but it's far more likely that the DMD board is going bad.

Aug 10, 2009 | Samsung DLP HL-P4663W 46" Rear Projection...

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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 !

May 02, 2009 | Samsung 50" Slim-Depth DLP HDTV

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