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I have adjusted the picture in the menu. I would like to know how to reach the service mode adjustments.I have adjusted the picture in the menu. I would like to know how to reach the service mode adjustments.
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In my case, the adjustment was available from outside the TV. Sortof.
On the rear of the TVabout 2 inches to the right of the coax in, there
are two vertical slits on a little protrusion. Inside the slits are the
two adjustment screws. The lower screw adjusts brightness, the upper
screw adjusts focus.
Access Service Menu by pressing "sleep" button, then pressing "video status" and "display" together. Highlight "LOW LIGHT" , select it, and bump it up a little; going up to 80 did the trick on my TV. Exit service menu with "exit" button. Easy 20 second fix!
Locate the screen control adjust on the HV transformer body...
turn CW slightly to get more brightness.....leave focus control as is.......................................T.
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Unfortunately, there is no easy fix for this. If it were a rear projection TV, I'd suggest a new bulb. Even on a Plasma there are things that can be done. But on a CRT, the repair for a dark screen usually costs more than replacing it.
I have the AV-27S33 model and in the rear to the right of the inputs are two slits and inside these slits are two screws. The top screw is the focus,the bottom the brightness.Your tv is a different model but it may have this same adjustment,if it does try turning the bottom screw to the right to increase the brightness.
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.
How many years is your TV now? Usually TV has its life span, there comes a time that it happens. And need to look for a technicians, cause some of theme can still be repair by adjusting the brightness inside your TV.
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I have adjusted the picture in the menu. I would like to know how to reach the service mode adjustments.
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