Question about Samsung LE-32B450C 32" LCD TV
When i turn on tv just goes up to 100 and doesnt respond to set or remote volume control cant use as stuck on max volume
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Posted on Jan 02, 2017
SOURCE: Samsung le40r74bd problem
I just had this problem with my 3 year old 32" Samsung LCD. The volume would go up and down by itself, normally just constantly going up even when it reached 100%.
I thought it might have something to do with the volume buttons on the TV itself so seeing as it was out of warranty anyway I decided to unplug it and open it up.
I gave it a good clean and I disconnected the cable for the panel of buttons on the LCD itself (volume, menu, channel etc) seeing as I never use them anyway. I then put everything else back together and tested.
It seems to be working fine now. Previously (for the past 3 hours) ever time I turned it on the volume level would come on instantly and stay on until I turned the TV off. So I’m quietly confident the problem has been fixed. But I must admit it’s only been 10 minutes, so who knows, it might come back.
Posted on Dec 30, 2009
As a repair man I always hated that--had to disconnect the speakers and use a scope.
Most likely reason is the volume up control---a micro switch beneath the manual button on the set is bad.
These are momentary switches--only supposed to work when touched/pushed---they will feel good but have failed and are making contact all the time instead of just when pushed.
Only way to prove or disprove this is get at the keyboard and in your case locate (they can with set off be checked for resistance--should be no reading) is locate that volume up switch and unsolder it.
If problem is gone (your ears feel better) you have two choices : live with the switch removed and operate for that function with the remote.
Usually they only sell the complete circuit board with all the buttons for a set.
I would if could control volume just live with it gone.
Let me know if questions.
Posted on Apr 04, 2012
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