Question about Mitsubishi LT-40148 40 in. LCD TV
I have tried: Unplugging the TV for 1 minute Hard reset by pressing the power button for 10-15 seconds Installing the software update via USB
Hey it sounds like u have did everything, so check and make sure u downloaded the right firmware on a good USB drive such as a 4GB and make sure format it with Fat32 before u download. Have seen that before with jump drive device and follow directions from Mfg website. If does not work then the CPU or Eprom has been corrupted and main board needs replacing.
Posted on Dec 09, 2014
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Posted on Jan 02, 2017
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