I have a JVC tv only 1 year old and the picture is getting dark.
My JVC tv picture is getting dark as if you are always watching a night scene, The sound works great, the only problem is that the picture or screen is getting darker, when there is a night time scene its like the picture is almost black. HELP!
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there so many things which can cause that to happen an these are thwe following,
i a tube has to be tested
ii a line transformer
iii vedio amplifier
this tests can be done in w/shop where other tvs are of the same.
Sorry to tell you but JVC is a well-known un-reliable brand and if it's cheap, probably even worse. U may have screen burn from leaving a games console on while plugged into the tv, even if its not showing the game, it will burn it onto the screen. :(
My jvc 27" tv was so dark I could hardly see any night scenes, even with the bright all the way on. If you push the sleep button, let go, then hold down the video and display (together), the service menu will come on. Scroll down to #7 (too dark) and adjust the brightness there. Works immediately. Good luck.
The HD-ILA's do not handle dark content well, it's a known problem. As far as intermittent digital blocks while viewing regular content it may be coming from your sat/cable company or you may have a problem with the digital board. I've had a few of these go bad.
Is there a simple fix for this,
The picture is very dark
it is mostly due to
1 power supply output is low.
2 voltage on crt g2 pin is low.
3 video output supply is low.
4 some components in luminance section might be defective or loose.
5 finally crt getting weak but as you have bought in 2004 so possibility is rear.