20 Most Recent Mitsubishi WD-65833 65" HDTV Questions & Answers

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.

Fault with the main power supply regulator section. Either it will be on a separate board, or on the part of its main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. http://electronicshelponline.blogspot.com/ It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.

had white dots on mine as well i changed the dlp chip and put it back together and got the white vertical lines i decided to check all connections and make sure the chip was locked in correctly it was not locked in securely i reassembled and now problem solved picture looks brand new so always check connections before assuming its the dmd board

I just had this happen to my wd-65833. It is a faulty dlp chip (they call it dmd board). I called Mitsubishi and they covered the cost of the part but there is a $200 service fee for the technician, no they will not send it to you. Support Service Mitsubishi TV

This is the DLP chip failing. Contact Mitsubishi and they will provide the part but you have to pay $200 for the service call.

Go to YOUTUBE type how to change the dlp chip and your tv model and there will be a few videos.

There is only one thing that can cause this problem in DLPs. The DMD board aka Digital Mirroring Device. This is what causes the problem of dead pixels, due to malfunctioning nano mirrors. Replacing it should resolve the problem but the board costs about 400-500$. Would you like to replace it yourself?

Mitsubishi usually has a button on their remotes labeled 'format' and can stretch the pic to fill the screen more, but sometimes a funky picture is the result