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Samsung le46 lcd tv sound goes down to zero when turned back up returns to zero imediatly bar stays on scrreen showing zero

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Listen carefully:

The volume down is likely bad on the set, this happens a lot and I will explain why and what needs to be done.

All sets with exterior controls, volume, on/off you name it behind each plastic button is a tiny switch---a push switch that when released stops.

Bad ones develop not from age but poor quality,,,,that is a momentary switch, as long as held it should function and when released stop.

Be thankful it is not the sound UP as I have seen that, Menu, you name it.

Now to the proof and the solution, Someone has to gain access to that switch under that plastic button and remove it from the small circuit board it is soldered into---2 to four solder connections and remove the switch.

A ten year old with a soldering iron can do it.


With it removed power set back and see, if problem gone you have a few choices (really no choice if it was me) order and replace the entire board with all the buttons affected or DO NOT PUT THE BAD SWITCH BACK AND just use the set with the remote.

For the technical minded first the reason a remote will not stop this is buttons on the set have priority over the remote functions and YES you can test the bad switch and find it that way---I have seen ones not being pressed that read as low as 3 thousand ohms or less and that is bad=====there should be no reading across the two pins that are for that switch itself.

Let me know if you have questions, PS none of them sell the individual parts you have to buy the same poor quality board with another set of switches on it.

Posted on Dec 11, 2012

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SOURCE: samsung le46 lcd tv sound goes down to zero and wont stay up

Under each of the plastic buttons on the set there is a tiny push switch--the plastic button activates it---it is a momentary switch and when the button is released it should stop its function.

A lot do not--fail: vol up is worst but can be any of them. The way to prove this is get at that switch (vol down in your case) which is usually on a small circuit board---unsolder the two pins for that switch and remove it.

If problem gone you know what it was---you really do not have to replace it as the remote should duplicate all functions of these switches---in some cases the remote will not control or stop this---front controls have priority over the remote.

Posted on Dec 08, 2012

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