Question about Samsung HLN5065W 50" Rear Projection HDTV-Ready Television

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Samsung 50in has a 1/4 moon of color(red or green at times) at the top of the left corner and at the bottom right corner. double view

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Re: samsung 50in

That is a mirrior adjustment problem, it is pretty complex to fix yourself and you can really mess up the T.V. if you don't know what you are doing. I suggest a T.V. repair man that specializes in DLP TV's.

Posted on Jan 02, 2008

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Will putting a new/ used projector assymbley in my 50in philips fix my convergence problems?

set uses two chips (most likely stk-392-120) and they will have to be replaced and set adjusted in tech menu---can tell you access is only with original remote (062597 status)

Mar 19, 2012 | Philips Projection Televisions

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Projection HDTV Pansonic 47" Curving blue and green colors on top and bottom of screen.

You will need to replace your two convergence I.C.s.They are two large IC mounted on a large aluminum heat sink.Replace both,look for any burned resistors near them,replace those if needed,and readjust your convergence. Good Luck

Let me know if you need any further help

Mar 29, 2008 | Panasonic PT-47WX42 47" Rear Projection...

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Samsung HLN617W DLP 61" TV only show green color

BINGO! Light Engine, Maybe listed as- Assy Engine Go to website Encompass Parts Distr their you will find what you need or Call 1-800-638-3328 ,or Try UED 1-800-648-6657

Dec 01, 2009 | Samsung HLN617W 61" Rear Projection HDTV

1 Answer

03 philps 52' rear projection red and green lines laping?

Hi, I used to work in Best Buy and one of the key things about rear projection TVs and the reason they push those service plans on you is that the tubes/colors need to be calibrated each year. You can do this yourself by checking out the following website: 

If you are not able to adjust the convergence using the remote you will need to replace the convergence chips. 

Typical Symptoms

1) Convergence menu does not work for one or more colors.  
Such as: Red moves up,down, but left or right fails. 

2) Screen is bowed looking.

If you have one or more of the problems above you need to replace the convergence chips. You can get a kit and instructions from  

Hope this helps :) 

Aug 16, 2009 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

Samsung HCN4727W Rear Projection TV, green screen, audio works

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,Akai2_bing.gif,Pioneer, Hitachi,Mitsubishi,Zenith and others.
You can get more information and a DIY convergenece repair kit with instructions from the link 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

bb0cf99.pngYou can see some more examples and find a fix using this link on Fixya

Jul 10, 2009 | Samsung HL-R4667W Rear Projection...

2 Answers

Double Letters-One in Green other Red in bottom corner

yes goto menue and goto convergence
line up all red blue and green cross hairs so thay are wite.

Jan 13, 2009 | Akai PT4799HD Rear Projection Television

1 Answer

Blurry shadows in red and teal.

Just click below for convergence repair kit;

Picture look double and the colors red come out the bottom of the screen on the lower left symptom is for busted convergence IC,you must replaced this IC in order that will works better again.STK 392-xxx ICs and it's associated resistor,this resistor automatically change value,can caused truoble even though you change the ICs.If you bring this to a service center they cost you $600 to $700,but if you buy the repair kit you can save more,don't wory it is very easy because there is intallation guide including in the repair kit. Feel free to ask whatever the result... click the link for sample picture guide step by step installation;

Hope this may help;


Sep 25, 2008 | JVC AV-48WP30 48" Rear Projection...

1 Answer


You have a convergence problem. Components are shorted out and must be replaced. Unless you're a technician, there's really nothing you can do at this point.


Feb 03, 2008 | JVC AV-56WP74 56" Rear Projection...

1 Answer

Convergence and picture problem.

convergence ic's

Jan 07, 2008 | Sony KP-57WV600 57" Rear Projection...

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