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White spots model wd-c657 - Mitsubishi Televison & Video

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Light Engine- Encompass Parts 1-800-638-3328
UED 1-800-648-6657

Posted on Oct 05, 2010

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Posted on Jan 02, 2017

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SOURCE: i have white spots and

This tv is it the DLP projection light engine block main board itself is the problems,not easily to go into the tv itself and replacing the IC chip itself.Must take out many mechanical parts to get u the Light engine block it self.U can replaced IC but somethime the IC chip it replaced,will not solved the problems,because the tv problems now the it is spreading and going on beyond the IC chip itself.If want to keep this tv very exspensive repair,i would reconmend hire a bound qualify tv tech replaced the whole Light projection block itself,but first call Mitsubishi for some kind of deal,they might help with the repair amount cost.

Posted on May 13, 2011

SD Tech
  • 14553 Answers

SOURCE: White spots on screen Need DMD

This is something of an urban myth....The "DMD chip" is actually the LCD display IC for the set; yes I have seen some listed on EBAY---still a myth----they are replaced (when a light engine is rebuilt in a space age lab or environment) under exacting conditions----if positioned a micron off in any direction picture will be tilted in some way---this is also not like changing spark plugs in a car, if you have a optical engine issue like spots etc, either get a rebuilt engine from Mitsubishi or buy a new set.

They usually require some parts for old engine (mounting brackets etc) be installed on new or rebuilt engine.

I did see the "chip" for another model listed on ebay today.(100.00 PLUS)

I understand the engine is expensive, I replaced a lot of them when the sets were in warranty---more Mitsubishi than any other brand with Samsung a distant second.

I am sure Mitsubishi does not offer the part for sale--they want to sell a tested rebuilt engine only.

I wish you luck but have little hope you will find a "part" other than the whole engine.


SD TECH

Posted on May 14, 2011

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White spots on screen Need DMD chip for Mitsubishi WD-C657 DLP


This is something of an urban myth....The "DMD chip" is actually the LCD display IC for the set; yes I have seen some listed on EBAY---still a myth----they are replaced (when a light engine is rebuilt in a space age lab or environment) under exacting conditions----if positioned a micron off in any direction picture will be tilted in some way---this is also not like changing spark plugs in a car, if you have a optical engine issue like spots etc, either get a rebuilt engine from Mitsubishi or buy a new set.

They usually require some parts for old engine (mounting brackets etc) be installed on new or rebuilt engine.

I did see the "chip" for another model listed on ebay today.(100.00 PLUS)

I understand the engine is expensive, I replaced a lot of them when the sets were in warranty---more Mitsubishi than any other brand with Samsung a distant second.

I am sure Mitsubishi does not offer the part for sale--they want to sell a tested rebuilt engine only.

I wish you luck but have little hope you will find a "part" other than the whole engine.


SD TECH

May 14, 2011 | Mitsubishi WD-C657 65" HDTV

2 Answers

I have white spots and black spots on right side of Mitsubishi WD-C657. I've done research online, and have heard its the dlp chip. Is that true, and if so, is it something that I can replace myself,...


This tv is it the DLP projection light engine block main board itself is the problems,not easily to go into the tv itself and replacing the IC chip itself.Must take out many mechanical parts to get u the Light engine block it self.U can replaced IC but somethime the IC chip it replaced,will not solved the problems,because the tv problems now the it is spreading and going on beyond the IC chip itself.If want to keep this tv very exspensive repair,i would reconmend hire a bound qualify tv tech replaced the whole Light projection block itself,but first call Mitsubishi for some kind of deal,they might help with the repair amount cost.

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1 Answer

How to change tv lamp mitsubishi wd-c657


Read page 61 and 62, this s is the official Mitsubishi Owners Manual for you TV
http://static.highspeedbackbone.net/pdf/Mitsubishi-WD-C657-Manual.pdf

Jan 27, 2011 | Mitsubishi WD-C657 65" HDTV

1 Answer

I have a Mitsubishi WD-C657 with white spots all over it, its just over 2 years old (25months). I called Mitsubishi and they do not have a authorized tech in my area. They need an estimate before they can...


I have the same tv with the same problem and have found it to be the dmd chip which controls the mirrors. Once the chip begins to go it just gets worse and eventually will have to be replaced. Unfortunately you can't just go out and buy one and replace it yourself. It is mounted on the light engine circuit board and I got an estimate on the light engine from an authorized service representative and the cost for the part alone is about $900.00. The white spots are when the mirrors get stuck in the on position and if they get stuck in the off position they display a black dot, which I also have some of them. In a month's time my tv has gone from no dots to over 100 now. I have been searching to see if there is anyone who repairs the light engines instead of buying a new one, as this would surely be cheaper and I found a company that does this, but they will not do business with consumers only repair services. They are Hong Video Technologies, so if anyone out there knows how to get these engines refurbished and what it would cost, we both would be very appreciative.
Thanks

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I have a Mitsubishi DLP WD-57734 and white spots just started appearing I have owned the TV for 2 years and only one person in family uses it and not video games have replaced the lamp on time


The projection engine have problems,it the cause.Two years tv shouldn't have this problems already.Call talk to mitsubishi,might get some help the cost of the repair.

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Looking for a ballast part number and price Mitsubishi WD-C657


encompass.com or parstore.com is a good store parts.
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