Sounds like the remote batteries could be bad or the buttons on the remote need to be cleaned. some JVC TV remotes, I'm not familiar with this particular one though, can be cleaned using a clean pencil eraser. Be careful opening the remote because some parts can fall out or you can damage the connections to the LED emitter that sends the signal to the TV. Also the solder connections on that LED could be bad.
SOURCE: Remote control for JVC TV stopped working
1 if this new ordere it is exacly the same that should work when i say exacly that must have only the same button on it
2 you should try to take off the cover to that old remonte and try to clean the taste and then the change battery clean suport to battery wash your rubber taste and put all togheder and should work if that not hapened the problem it is from inside tv
and to that new one see if you have a shift buttun on it and push that or push tv button and try again should work
SOURCE: JVC LCD TV LT-42X688-powers on, blank screen. no picture,no sound
You most definately have bad capacitors in the power supply. try and get it repaired as soon as possible, not an expensive repair that iv'e seen.
SOURCE: JVC LT 32E479 UNABLE TO SWITCH ANY CHANNELS
go to menu select TV settings select add a channel In the scan boxes type 1 and 3 or what every you have your Satellite set to Then hit start scan The TV will come on reset to channel 3.
SOURCE: JVC LT 42x688 no picture just sound
Sorry, this has no easy fix. The good news is you do not need an LCD Panel. The bad news is the Video Processor has a problem.
This TV has x3 Boards. The one you should replace first is the one in the middle. If this doesn't fix it, try the one on the right. The Part #s are on the Boards if you wanna try ebay.
SOURCE: No Picture
I am deeply sorry but you will need to replace the backlight bulbs. These are not available.
Look on Ebay for a 32" JVC with a broken LCD Screen. Buy it and use these bulbs to fix your TV. I am sure there will be a few good ones in the broken TV. It's that or list it on Ebay for $50 and expect to get about 200-300.
LCD Panel repair for this problem is $500 for parts so you are stick with repair yourself or sell.
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