Question about Toshiba 57HM167 57" HDTV
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Posted on Jan 02, 2017
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
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.
Posted on Feb 14, 2009
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
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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