Question about Mitsubishi WD Televison & Video

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Mitsubishi wd65736 has a dark bar across top screen

Installed a dlp chip and a new bulb turned tv on and has a dark tint at top of screen

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  • 114 Answers

If the old lamp still works, I would try it and check results... it may be dim, but if the dark bar is gone then the new lamp (or the lamp housing) is either defective or misaligned. On the Mitsu WD65736 there are two options for lamp replacement, either (1) you can just replace the lamp itself or (2) for just a few dollars more you can obtain a complete lamp cartridge (module) with the lamp already installed. I recommend the latter method because you must not *ever* touch the lamp bulb with your bare fingers, as to do so will significantly shorten the life of the new lamp.
Also try pulling out the lamp module and inspect it as well as where it plugs in on the back of the TV.

Why did you change the chip? If you got the replacement chip the legal way (direct from Mitsubishi parts) I would get on the phone with them. Mitsu generally won't send out a replacement flash chip unless you open a repair ticket with them for a known/documented problem for which they have a patch. Note well that they will otherwise *NOT* give you the latest firmware without a reason. Simply wanting to have the latest & greatest is not considered a valid reason. On the other hand, if someone shared their flash ram with you and you burned your own chip, then you are on your own. Just the act of inserting the new chip will cause it to download the new image from the chip and then automatically erase the chip Hopefully you backed up your original flash chip and can go back to the original firmware. FWIW, the **only** Mitsu firmware patch I'm aware of for this particular model had something to do with being unable to pair it with a cable card.

If all else fails, there is a very extensive (thousands of posts) on AVSFORUM dot com for the Mitsubishi WD series. Search for your model. One of the posters there even did a full documentation along with pictures showing how to disassemble & clean the lense assy. Don't bother asking for firmware there as it is a violation of avs forum board ethics for any member to post links to or share copyrighted firmware. Good luck!!!

Posted on Dec 01, 2014

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Posted on Jan 02, 2017

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SOURCE: Dark picture problem

did you change the lamp with an original or bulb only - mitsubishi only sells the lamp and housing!!!
never use generic

Posted on Oct 16, 2008

electronick
  • 505 Answers

SOURCE: Toshiba 52HM84 DLP TV with new bulb but the lights keep blinking

They exact way the lights blink are telling you what the failure is. If the tv is firing the lamp and the lamp is bad, you will hear a buzz sound for about 1 second. The tv tries 8 times before it gives up and spits out the lamp error. Check the user manual for led diagnostics. If you put in a new lamp but still have issues, you've likely got a bad ballast (most common on this model) or colorwheel (less common). Both are part of the optical block (light engine) and I don't believe they're available as individual components from toshiba.

Posted on Dec 06, 2008

  • 1039 Answers

SOURCE: Mitsubishi 57" DLP. Replaced bulb, now picture is hazy.

Cleaning th mirror and lense will remove the haze. This oldel is much older that 2 years though.

Posted on Apr 25, 2009

  • 11 Answers

SOURCE: Dark picture problem

there are 2 mirrors did you clean both there is one down in front near the light source when front screen removed lean in and look down there is another smaller mirrorclean it

Posted on Jul 07, 2009

  • 3741 Answers

SOURCE: DLP RCA HDTV is displaying

dust going in the inner layer of screen is very rare as due to dust in the screen and on mirror the screen becomes black or picture looks blurry/dim.but if the picture is only having green tint on the screen then its due to weak or bad light engine.so the light engine has to be replaced.also if the bulb in the tv is not properly fixed or moved from its position or fitted loose the problem may occur.but first light has to be replaced and checked if still the same problem remove and reset the bulb again then check out this will help.as you have already sent the light engine for replacement so get it checked with new replacement light engine.mostly this will solve the issue.
This will help. Thanks please keep updated.please do rate the solution positively .thank you for using fixya

Posted on Nov 17, 2009

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1 Answer

I still get a blank screen after replacing DLP chip and lamp. Any suggestions. Can you use cleaning duster to clean?


is the lamp turning on, if not then there may be a problem with the inverter board. or the bulb is faulty, bulbs can become faulty in transit.

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Sounds like a connection problem between board and DLP chip. The BGA connection which connects the DLP chip to the board, or the flex connector may be bad, causing the row and column section to not activate the micro-mirrors on the DLP chip. Not an easy fix. Regards.

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My picture went very low where you can barly see it


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White dots on your RPTV television are the result of the DLP chip being worn out. You can replace it very easily by buying a new DLP chip for just under $190 and installing the new chip. There is a very good forum over at fixyourDLP that offers tutorials for replacing the DLP.
http://www.fixyourdlp.com/2012/10/11/banish-white-dots-from-the-samsung-hl56a650c1-with-a-new-4719-001997-dlp-chip/
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http://www.fixyourdlp.com/2012/10/02/install-a-new-4719-001997-dlp-chip-and-banish-white-dots-on-the-mitsubishi-wd-82737/

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Small white dots have started to appear on our screen, first, on, then a couple days later 2 more, and today we have 6 small white dots on our screen. What is happening to cause this condition?


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1 Answer

Lines across the screen


the dark lines could be what is called hum bars these are caused by ground differences between cable and your AC ground. check to see if these lines appear using a dvd and removing the cable from the cable box. if the lines disappear then call the cable company and your electricain. in the mean time you can use a plug adaptor that is the 2 prong (ground less) until you can have the problem fixed. but don't use the adaptor as a fix, for your TV is a computer and needs proper grounds.

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