Had the TV in the house for bout 4days now. suddenly the volume went full blast with no warning, the volume bar didnt even come up, so i shut the tv down. I then turned it back on after a few minutes and seemed to be normal for about 30 sec the fll blast again.....it doesnt gradually go up it just goes loud as heck. After it happened a second time i heard some sizzling kinda noise from the rear of the TV.......i waited even longer and then turned it back on and there was no volume and the picture was flickering from snow to a black and white picture to colored squigglly lines.....now the TV doesnt have any picture or sound what so ever.........what could this be????????? PLZ HELP.
Volume is stuck on full blast and the mute doesn't work.
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You've got a bad solder connection,or broken foil line,s on the pcb (printed circuit board).Narrow it down by pressing in different places,or use plastic or rubber tip.If not,then you got a shorted load on this fuse and diode.do you have a schematic,whats at the end's of this circuit.D represents a <Diode> not a transistor.
I had come home about a week ago and pushed the power button from my
remote but my tv did not respond. So I just went to the front panel and
pushed power but once the tv turned on, the volume was on full blast! I
used the front panel volume decrease to get the volume down, but when I
stopped pushing the button, the tv increased its volume to full blast
again by itself! Naturally I just turned the tv off for a few moments. I
tried the remote again, no response again, so I used the panel power
button. The tv volume was still full blast when it turned on but after I
decreased the volume it stayed this time. The picture is and has been
perfectly fine and the tv was working fine. The next day the problem
started all over and now once we turned it off from frustration of
having to manually use the panel to change channels, it now will not
turn on at all. I have changed batteries from my remote, reprogrammed my
remote, pushed system reset several times, unplugged it for a while,
bought a new surge charge, and even held the menu and device panel
buttons for 10 sec and tried to turn the t.v. on again! What other
options do I have or what may be the issue at hand and possible parts
that may need to be replaced?? Thanks!!
due to the long time the buttons were not used, they tend to get stuck and this causes channels eighter to stay in one station or continou scanning. it could be resolved by spraying WD40 on the buttons and press it many times then dry it before operating the unit.
Sounds like you have a jammed / shorted out button on the control panel... Try un-plugging the tv, and then unplug the "button panel" on the front of the tv...see if you can turn the tv on with the remote. Sometimes if one of the buttons gets shorted, it will "lock" the processor from doing ANYTHING else, as it thinks you are holding down the defective button. If this works, simply have the defective switch or control panel replaced, or just leave it unplugged and use the remote only! Hope this helps!