Question about Philips Magnavox 27MS343S 27" TV

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Magnavox lcd flat screen tv

Popping noise once magnavox 42" flat screen lcd tv is turned off...help is it suppose to do that?

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  • Dithatsme Apr 14, 2008

    My 36" flat screen Magnavox (about 13 months old) had one "pop" sound, then the screen went black -- then the green "on" button flashed, "on" even after I turned it off, so I pulled the plug. I waited 1 hr, plugged it back in but all I have is a black screen. I recently hooked up surround sound, but that should not affect the picture...what's wrong with it?

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Is it only one time? If it is out of the speakers this could be going from analog audio to digital audio. It could also just be the cabinet expanding and contracting.

Posted on Feb 05, 2008

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Nope, don't think it's the speakers...I still get a black screen.

Posted on Apr 16, 2008

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My tv image goes off while watching tv,I do have audio but no image.


LG 42LS5700 - LG.com

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LG ElectronicsTV/Audio/Video; TVs; 42LS5700 ... TV Support Landing Page - HDTV/Netcast/webOS 1.0/webOS 2.0 ... Adjusting Picture Settings - webOS 2.0 Video ... quality and convenience of complimentary shipping when buying directly from LG.com. ... Curved TVs · 22 Inch to 29 Inch Class TVs · 32 Inch to 39 Inch Class TVs · 40 Inch ...

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1 Answer

What is involved in replacing the power supply board on my Magnavox 42mf438b/27 42 in.


Pretty easy. Place the monitor face down on a blanket or something like that. Remove the screws on the back of the monitor (there will be about 20). Pull the back off, set it aside and then remove the power supply board. Pop the new one in and put it back together and you are good to go.

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1 Answer

Hi,Iwas watching TV and the screen went black.No lights on,I unplugged and plugged again but anything happened. My TV is a Toshiba Regza model 42RV530U. Can you help me? Thanks


If there was a popping noise of any kind when the tv screen went black there's a high possibility that one of the fuses in the tv popped and there is no power to the tv. It could also just be the outlet itself and try plugging the tv to different working outlets.

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1 Answer

42 in. magnavox flat screen wont turn on


Does that mean, you still have sound but don't have a picture?

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1 Answer

My magnavox 42'' TV ,plasma wont turn on when i push the on button it just makes a few clicking noises at different points then shuts off. i get nothing on the screen. what had happened was i accidentally...


Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.

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1 Answer

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1 Answer

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Turn TV on, plug in the USB drive, wait til the upgrade is finished. Unplug USB drive, turn TV off w/remote.
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Hope this works

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