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Tv doesn t recognize HDMI cable connection anymore

I have had a PC attached to my Mitsubishi WD-73333 through a Sony receiver to the HDMI port 1 and it has been working well for years. Recently, the TV does not recognize the HDMI port when restarted. we have found that shutting the TV off and then switching off the surge protector that all the components (TV included) are attached to then restarting the TV and going through the TV menu to the input setup will make it recognize the HDMI port again. Switching the HDMI cable to the other HDMI ports on the TV does not help - the TV does not recognize the port switched to but recognizes the previous port (the one that the HDMI cable has just been removed from even though it is empty). I have tried attaching the HDMI cord directly from the PC to the TV but the same thing happens. Can you help me?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 192 Answers

SOURCE: Component Video inputs do not work

I started back in the day of tubes. A family would have one set and it would be a 19" black and white. There are different resolutions now. The components probably do work, but, they don't pass the 480i signal. The satelite converter's analog signal needs to be set to 480p and the DVD needs to be set to progressive if it does have that setting. If the DVD is not a progressive scan DVD, then, the only inputs that it will show on is the analog signal. Some of the dish converters have a switch on the face for changing the resolution. If yours doesn't then put it in an analog source and go to the menu and change it there. Then move it to the component input. Hope this helps.

Posted on Jun 24, 2007

Shuttle83
  • 1139 Answers

SOURCE: HDMI Signal gone

The HDMI interface may have suffered a malfunction, this offten happens due to stray voltages on the ground plane. If you do not have electronics experience I would suggest taking the set to the shop and having it repaired

Posted on Sep 24, 2007

  • 1 Answer

SOURCE: Mitsubishi HDMI connection trouble

I have the same issue with my 73". Rather then going over all of my connections and equipment I'll just say htat I feel your frustration. I have been on the phone with Mitsubishi directly and it appears as though they have a free software upgrade that should address this problem. If you call 1-800-332-2119 and press 4 in the menu you will get someone to help you. Be patient. They will make you go through all of the fixes that you have already tried. They will mail you a flash drive that goes right into the front USB port of your TV. I hope this is of help. Good luck.

ret4good

Posted on Jan 05, 2009

  • 87 Answers

SOURCE: wavy diagonal lines only with component cables, not hdmi

You have a bad format board which is no longer available. the DM chassis can be sent in for repair by an authorized Mitsubishi servicer Call mit at 1 800 332-2119 they might help with cost of repair have receipt and purchase date available.

Posted on Apr 12, 2009

  • 3 Answers

SOURCE: Samsung HLR6167 keeps flickering on bright scenes

Try turning off your Energy Saving option. (mine is in Menu --> Setup --> Energy Saving).  See if that helps.

Posted on Nov 14, 2009

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I have the same issue with my 73". Rather then going over all of my connections and equipment I'll just say htat I feel your frustration. I have been on the phone with Mitsubishi directly and it appears as though they have a free software upgrade that should address this problem. If you call 1-800-332-2119 and press 4 in the menu you will get someone to help you. Be patient. They will make you go through all of the fixes that you have already tried. They will mail you a flash drive that goes right into the front USB port of your TV. I hope this is of help. Good luck.

ret4good

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