Question about Insignia IS-LCDTV32 32 in. Television

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Tv picture shuts off but sound remains

I can shut the tv off wait 30 seconds, turn it back on and it is ok for 5 minutes then the same thing happens over and over again. If the tv has been off for some time it takes a while for the problem to start happening again. I have unplugged the tv and tivo and it does not seem to make any difference.

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Re: tv picture shuts off but sound remains

The power supply is breaking down underload heat related. it is easy to replace....kinda pricey...john

Posted on Sep 12, 2007

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I have a 58 inch Sanyo flat screen TV, I turn it on everything works fine, shuts down in about 10 minutes! Sound stays on though. If I shut it off and turn it back on it does the same thing!

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Evidently there is an internal power supply problem.

Nov 12, 2013 | Flat Panel Televisions

1 Answer

Turn on TV and picture and sound are great for about 60 seconds. Then the picture disappears but sound remains.

I would start with checking the power supply 12vdc output, make sure it is stable with no ripple. If the power supply checks out fine, I would then suspect the main board.

Sep 20, 2012 | Vizio VT470M 47-inch 1080p 120Hz 5ms LCD...

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sounds like dodgy buffer board or video pcb

Sep 25, 2009 | Flat Panel Televisions

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Insignia TV model NS-LCD19. TV shuts off

Unfortunately your TV will need to be serviced. You may take the unit back to the retailer of purchase to arrange for repairs.

Sep 17, 2009 | Insignia IS-LCDTV32 32 in. Television

2 Answers

Picture but no sound on my Vizio L37 Flat Screen

I had the same thing just happen and I used the following instructions from the Vizio Website for "humming sound" on tv and it worked. My sound is now working!!!!

1- Power off TV

2- Unplug TV from outlet

3- Press and hold in the power button on the TV for 30 seconds (while it is unplugged from the wall)

4- Release the power button

5- Plug in the TV into a different outlet

6- Power the TV back on.

Reset the TV settings.

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Hitachi Plasma TV model P50H401

I think you have problems with the digital main PWB.

If the power PWB failed, turn off and change the pilot ligth to red.

Aug 31, 2008 | Hitachi P50H401 50 in. Plasma HDTV

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