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Dark picture bought a second hand sharp 68cm tv off ebay, picture is darkish and settings make very little difference

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  • nevis2 Apr 22, 2009

    how would one adjust the g2 volatage of the picture tube?

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Pls adjust G2 voltage of picture tube. picture will be brighter.

Posted on Jun 14, 2008

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How do I lighten a dark picture


Hi Richard,
Please try reducing the contrast a little and increasing the brightness till the dark shots are clear. Please also check the back light setting. It should not be too low.This should make all the dark scenes clearly visible if it only a setting problem. In case the overall brightness has reduced, please consult a local TV Tech.

Aug 11, 2015 | Sharp Aquos Televison & Video

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Color is grate on my Sharp 26" TV. However night scenes have become almost too dark to see. I have tried to adjust the settings but no improvement. Is this a fixable problem? Using Comcast Cable a


Check 'brightness' and 'contrast' settings in (usually) 'picture' menu. Use a recording (DVD etc.) of a dark scene to adjust the picture. My TV (not Sharp) has several pre-programmed picture settings. If yours has that, maybe one of them will be good. Otherwise, use manual settings.

Oct 18, 2014 | Sharp Televison & Video

1 Answer

My sharp 32c540 picture is dark since i bought it brand new 6 years ago.


You may just have to make a different kind of adjustment.

This is what is called a direct view or crt type TV.

Inside on the main board (see attached photo) is the "flyback" transformer.

Note the two little controls embedded in it----top one is focus--leave it alone.

Lower one is SCREEN and a very slight upwards or right adjustment will bring the overall brightness up.

You want to adjust it just till with brightness on set all the way up you have a normal picture.

Too much and you get excessive brightness and trace lines and or further too much shuts set off.

Some sets have two holes in back of cabinet and small tool can get in and adjust the LOWER or screen control and others the back has to be removed.

Lay set face down on padded surface, remove back screws and set upright---do not touch anything inside with set on when you make the adjustment--control is plastic and a plastic tool a good idea--I have used regular screwdriver but know what not to do.

Let me know if you have questions 98% chance just need the Master Screen bumped up a little bit.

Mar 11, 2012 | Televison & Video

1 Answer

My daughter touches the buttons


http://support.sharp.net.au/
If you go to this link it has the manual for your TV, looking at the picture and labels for your remote, it says to press 'normal' to reset all settings, I hope this helps

Nov 27, 2008 | Televison & Video

2 Answers

My Sharp LCD 26" TV shows most black and shadow colours as vivid blue, I have tried resetting the colour to factory reset but that didn't seem to help at all. It occurs on all channels and on 3...


the problem with LCD tvs are that they have back lamps that shine thru the LCD sceen. the job of the screen is to block the light of the different colors to make the picture. the problem is that the very thin screen can not block all the light. if the set has a back lamp setting turn down the back lamps and adjust the brightness control it should help a little. you my notice that the blacks and dark sceens look better when the room is fully lit and look much worse in a darken room.

May 27, 2008 | Sharp Televison & Video

2 Answers

Sharp 20f640 focus problems


At the rear of the tv there may be two controls on the right hand side marked "screen" and "focus".If the set is newer,you will have to remove the cover and look to your right.You will see a dark object with a black or red wire coming out of it's top.That is your flyback transformer.On this you will find these two controls.Adjust your focus with the one so marked.Be careful to only adjust this control while you watch your picture clear.PROMPLY put the cover back.

Feb 10, 2008 | Sharp 20F640 20" TV

1 Answer

Edge Enhancement Option Disabled...


edge enhancement option i think would be enabled if you are in dynamic or movie mode. What it does is to enhance the contrast of the edges of 2 different colors.

I have the LA32S8, similar specs but only 7000:1 CONTRAST ratio. when playing dvd, i set it to movie mode. Settings vary on different tv and player. you can adjust first the backlight, then brightness then contrast, color and sharpness. the brightness you adjust by choosing the level that shows enough details on dark scenes. adjust if its too dark not to see the details of the scene. contrast, you can set by distiguishing vivid colors of the picture, dont put too much contrast as your picture would look flat. it should have a 3d look, same also with sharpness, you can experiment on the face of a person to show details on the edges.
color you set just enough to make it accurate on color reproduction.

My settings for movie are
contrast 92
brightness 49
sharpness 23
color 57
tint g48 r52
backlight 7
tone warm1
digital NR off
black adjust high
dynamic ocntrast high
gamma +2
edge enhancement on
color space auto

Oct 05, 2007 | Samsung LN-S3241D 32 in.LCD HDTV

11 Answers

Brightness control


i have a 46" aquos and i had this problem on the first day i called and everything! but everyone said just to return and exchange but im pretty sure i will ge the same result i played around and i turned OPC "on" and it stopped flickering and stays stable butttt its really dark during night scenes. i love this tv so even though the night scenes are garbage im keepin it!

Aug 18, 2007 | Sharp Aquos LC-42D62U 42 in. LCD HDTV

1 Answer

Picture adjustment questions


*The brightness control setting determines how bright your picture will be. *The contrast control sets the gain of the video circuit. This determines the difference between dark and light scenes. Low contrast settings make the picture "hazy". High contrast settings make the picture more distinction between dark and light scenes. *The sharpness control determine the frequency response of the video circiut. High sharpness settings give better resolution but also shows more noise in your picture. Lower sharpness settings smoothe out the picture removing noise but also fine detail. It needs to be set for the best all around picture. *Picture Enhancement is pre-set adjustments which give you different picture qualities. You just select the one you like. Stargazer

Mar 03, 2007 | Zenith B25A02Z TV

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