Question about Samsung HCL4715W 47" Rear Projection Television

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How to get rid of blue ghosting

The blue ghosting seems to get worse the longer the tv is on

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  • 3,459 Answers

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,PioneerHow to get rid of blue ghosting - 2_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

Posted on Apr 18, 2010

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Posted on Jan 02, 2017

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Starting last night our tv has had a "ghost" thing


What you have is a very common convergence issue which could either be rather spendy if you take it to a technician like me. It usually costs approximately between $300-$400 if yo bring it to someone who knows what they are doing OR you could go to www.tvrepairkits.com and order the convergence repair kit for about $75-$80. Ed will set you up with the resistors, the integrated circuits, thermal paste, and step by step directions. It would take a novice about an hour and a half to complete the repair and you would save yourself some money. Sorry, there is no scan option to fix it.

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Yes you need to replace both STK392-040 convergence ICs. You can get new replacements at the following link and they provide free instalation instructions with pictures so you can do the repair yourself in about an hour. They alos have free online instant messageing available to all there customers. heres the link.
http://servicemanuals.vstore.ca/

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