Question about RCA L26HD31 26 in. LCD HDTV

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Rca l26hd31 no sound no picture

My tv rca l26hd31 has no sound and no picture

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  • RCA Master
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First, look at the screen in darkened room to see if you can see any slight glow from the screen, if it does, then the problem can be the T-CON (not getting the 12vdc) or the main logic board not feeding the signals to the T-CON board.
if not, next place to check will be the power supply module, make sure it has 24vdc which is required by the backlight inverter to work, the reason for not having 24vdc can be from bad DC filter caps (leaking/bulging top, high ESR) or short circuits in the inverter board which will cause the 24vdc supply to go into shutdown mode, so you may have to disconnect the power cable that feed the inverter board to see if the 24vdc will work without the inverter board hookup, you will need to apply about 3~4 amp of load to the 24vdc to make sure it can handle that. There are fuses on the backlight inverter boards also. So there is some troubleshooting you will have to do to find out the causes of the problem you are having.

Posted on Nov 03, 2012

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Posted on Jan 02, 2017

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renowiccan
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SOURCE: The TV would not stayed turned on. Then the

I would start with finding online and replacing the power board.

Posted on Mar 22, 2011

  • 46 Answers

SOURCE: Cannot connect my pc via hdmi to an RCA L26HD31.

If your trying to use a computer with a video card that is not HDCP capable it will not work.You'll need to replace the video card that has hdcp .You can thank Hollywood for that.Hope that helps

Posted on Apr 27, 2011

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