Question about Panasonic CT-20G6 20" TV

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Can't brighten, menu brightness all the way out+++++

Too dark can't brighten

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  • jeffann Jan 08, 2009

    Your awesome !

    Thank you so much.

    Saved me from buying my mom a new TV !



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You need to open your tv,s back cover then manually adjust the screen grid from the flyback transformer,note to adjust it slowly and be sure not to over adjust

Posted on Jan 05, 2009

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Adjust brightness


it is likely to be an onscreen menu. look for a set-up, or menu button, the channel and volume buttons are often used to navigate thru the set-up options

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I have an old Orion TV134R . The picture is so dark on it that I need night-vision goggles to watch it . How can I brighten it up? I don't have the original remote control. Thank you.


how about in the menu button you can not get an adjustment in brightness control. if the display in the screen is too dark either in any channel or even watching a movie from an input source like dvd player, then i may say that the picture tube need now replacement.

Aug 12, 2012 | Standard (CRT) Televisions

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Our tv has been getting darker and darker - we've tried to adjust brightness in menu and have it set to far right but its still too dark. Is there another adjustment to brighten the picture other than...


In many many cases this is an indication of a failing picture tube. The gun assembly in the neck of the picture tube is shorting. There is a fix, but this is surely last resort and the final cure may not provide a fix. Picture tube rejuvenation is not always successful. I would certainly opt for a new TV. Thanks for asking, and show a few hands of support!

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1 Answer

Screen is too dark


with a flashlight at the back of the set often times there is an adjustment you can make WITHOUT having to open the set!!!

look for a little hole in the back of the plastic cabinet labeled SCREEN then with a flat screwdriver holding only the plastic handle, insert it into the hole and SLOWLY rotate until the screen brightens up until it is watchable.

This is compensating for age in the picture tube. you may get a few day or a few more years! of a much better picture.

If you start seeing some thin lines on the screen then back off you have gone too far. Do this adjustment with the brightness and contrast controls on the menu turned up all the way.

it is also safe to play with the focus adjustment right next to the screen if thing seem a little blurry. you will need two people one to watch from a distance for best picture.

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1 Answer

Picture getting dark


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.

Nov 29, 2008 | JVC AV-27530 27" TV

1 Answer

Picture is too dark


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.

Oct 19, 2008 | JVC AV-27530 27" TV

1 Answer

Picture is dark


sitnlisten - yes it does appear your pix tube is getting weak,but we may be able to turn up the flyback alittle to brighten up the picture.If you take the back off you will see the flyback-large black unit with a wire going to the round rubber cap on the back of the pix tube.Look at the flyback there are usually 2 adjusters one marked focus the other screen,just turn up the screen a little bit at a time.If you turn this up too much you will wind up with retrace lines on the screen.You may also want to check the pcboard ass'y for a sub bright adjust,and same thing small adjustments.If this don't help your pix tube may be too far gone.I hope this helps. cooltek Feb.1/08

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1 Answer

Screen goes dark


I thught I answered this one but if you disconnet the sensor it should brighten up the picture If it dosent then its part of the brightness curcuit and must be replace. As I remeber thewre are severall models that you could simply disconnect. Or there should be an auto brightness feature in the main menu picture ajustment to simply disable or shut it off. Good luck

Apr 22, 2006 | Mitsubishi The Big Easy TV

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