Question about Samsung HP-R5072 50 in. Plasma HDTV

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Samsung Big Scrren HDTV monitor

Our TV has red & green lines and colors and the wording is blurry. It also has the same words below it.

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Reseat the LVDS cable inside the set, this is the multi wire connector from the display panel to the main board. remove it and reseat it several times on both ends. if that doesn't solve the problem replace the main board.

Posted on Feb 17, 2008

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Whats wrong with my big screen 52 inch


Possible this can be fixed with a professional alignment as the adjustment of the convergence is distorted and so needs a setting.
The Keystone correction and focus must be adjusted.
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http://htrgroup.com/main.php?section=keystone

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I have a toshiba tp50h50 rear projection tv and their is a blue shadow behind the words and makes the words a little blurry


Sounds like you need to do a color convergence. If you still have the owner's manual, it will give great detail on how to do this. The convergence menu is accessed from the video menu on the tv.
The tv has three color picture tubes, red, blue and green. The convergence alignment adjust each tube so that color from each tube overlaps each over to create a white image on the screen. Most tv's only allow you to adjust the blue and red colors.
Convergence should be performed each time the tv is moved and at least once annually.

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Can the lens on a rca rear projection get dusty and cause blurry word and images?mostly words on my video games are unreadable ..xbox is hooked up via componite cables..running at 1080i..i have tried auto...


All ur convergence + - colors lines matches up wright?Yes.Than no,this problems are ur CRTS tubes colors guns R,G,B have bad CRTS coolant chemicals.Tries websites like Tvrepairworld.com,Tvrepairkits.com to buy a coolant kit to changes those CRTS coolant chemicals,should solved ur tv problem.

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Blurry and colors are seperated red green white


if you are viewing from a projection tv, chances are you have to go thru the menu of the tv to 'picture tuning'. here it gives you different things that could be fixed. one to look for is 'lamp alignment'. It should show all the colors and lines with directions to bring them into focus. This should fix the blurriness and 3-d red/green/white separations. hope this helps you!

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Red and blue ghosting,


The most likely cause is shorted convergence chips and possibly a few pico fuses.

These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony,Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer2_bing.gif Hitachi,Mitsubishi,Zenith and others.
You can get a convergenece repair kit with instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2
Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

You can see some more examples and find a fix herebb0cf99.png http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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You need a professional to align the convergence. it's a big job if one or more tubes have been replaced.

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covergence problems and its not adjustable you need work done on the convergence board or a new board and realignment which can be timely.

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Other than the menu, does the picture look ok? Does the menu just stay there and not go away?

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Good Day;

Sounds like you have bad Convergence Output IC > 267P155010 > STK393-110, replace and it will correct the problem TV uses only ONE, make sure all resistors look good in the circuit around IC.
Good Luck, big IRISH.

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8 Answers

Blurry tv


Sounds like theres a leaky capacitor in the screen drive circuit. I have seen this problem also be a gassy crt but was able to clean off the grids of the CRT with a crt/rejuvinator. It happens because of low emmissions in the tube and when white is on thats a mix of all the colors, so the tube works harder. I bet when you whatch a movie and the scene changes suddenly to a white or brite scene the pic looks a little washed out. If this is not the case then I aggree with the Pravin and try it on another TV just to be sure .. This is not a repair for a consumer to do, though however it is only a three year old set you stated, so there should be life left in the tube, so im kinda thinking a capacitor is bad. Seek out a yechnician to check this out for you as a TV is not a place to see it you can fix it or to exoeeriment with. Good Luck

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