TV worked FINE for the past 2 yrs---this morning we woke up and the screen is totally BLACK! No sound..nothing. REmote doesn't do anything to the TV. Red light says ON unless we unplug it. Remote won't turn off the TV.
Any advise? Picture tube??
Worked great w/out any problems until we woke up today!
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When heats up, the supply voltage from the main power supply board goes less. Check all the soldering to this board for any loose solder terminals. Resolder all the suspected solder terminals by applying a little more solder. If it do not help you, replace the board as card basis.
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!!
go into programming mode and search for channels it will do this automatically to find all antennae and all cable channels if this is hooked up to a receiver box then only channel 3 will be found or used also most tvs are computerized these days and at times it will need to 'rebooted' unplug the power and wait 10 seconds and plug it in again this may have to be done whenever you are locked out from changing channels or using the volume controls
Is your remote programmed properly? If it is a universal remote, try setting it to one of the different codes for your brand. Sometimes the power and mute buttons and things like that are the same for all different types of a brand, yet all of the channel and volume things are different. If it's the remote that came with the TV, then I would try to get a replacement, as it could be faulty. Hopefully this problem is with the remote, and not the TV. Find if this is the case by using the volume/channel buttons on the TV itself. If they work, then you can be reasurred you don't have to call the TV repairman, and you will probably be able to fix this problem yourself.
I had the exact same problem with the channel/volume autoshifting. I found a electronic firm that would rebuilt the board for $185.00 plus shipping-----screw that. I cut the plastic hold down nubs on the channel/volume buttons itself and disassembled the contact. Inside the button was a copper metal disc showing arc tracks and "carbon scoring" on the underside. I just removed the button guts and now use the remote for channel and volume adjustments. So far the power button still works for me. I may try buffing and cleaning the disc and contacts later, but what the hey, I'd rather surf with the remote from the couch.