Question about Samsung HCN4226W 42" Rear Projection HDTV-Ready Television

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I recently bought a samsung hcn4226w at a yard sale for $50. Thought it was a good deal, but when i got home I saw the picture had a double image and the picture doesn't seem bright. After some tinkering I think the problem has to do with the blue lens. The double image is blue on the screen, and when i do perfect focus/convergence the blue is always off or it stops the auto perfect focus. Is there something i can do to fix this or should i just throw the tv out?

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  • johnboyle222 May 14, 2010

    Thank you that was helpful. I'm glad I know what thte problem is now but, I'm sorry I don't know alot about TV's. What is "2 STK convergence ICS" and how do I know what convergence board to get? I looked on tvrepairworld.com but, I've got no idea what I'm looking for.

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  • Samsung Master
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This tv have convergence problems.Ur tv convergence board the 2 STK convergence ICS are defective,and some or all it resistor are dead.Try website like Tvrepairworld.com to buy a whole refurbish convergence board for the replacement.Spend about $100 dollars more this tv can be save.

Posted on May 14, 2010

Testimonial: "your information was very helpful, i just wish i knew more about tvs so i could find the right part"

  • Chi Chu May 14, 2010

    Pick from the wesite Menu call Samsung/Akai circuit board. Sorry $169.95 to be exact to buy this rebuilt Samsung/Akai tv convergence board.AA95-02002A Convergence Amp PCB rebuild option.Talk to the website employee,to discuss more..

  • Keith Gless Sep 22, 2010

    When you pull the back off, the convergence board will be located upper left side of cavity. It will be mounted on a heatsink(metal bracket with some sort of fins for cooling) which in turn will be mounted on the CRT crossmember. There will be 2 black rectangualar hockey puck looking devices mounted to the heatsink and PCB. Should be labeled STK392-040.Check FD1028 and FD1018 located right of each IC and looks like a solid green colored resistor. These are the fuses for each ic. If open then the ic coresponding to it is blown! Also check all of the half watt resistors on the board. The convergence modual p/n is: AA95-02002A for those that would rather not go to component level.

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Picture has blue at the bottom and yellow at the top. Double images and the station logo is in the wrong place


This tv have convergence problems.Tries website Tvrepairworld.com to buy the whole refurbish convergence board for the replacement.The Samsung/Akai used the same convergence board.

May 15, 2010 | Samsung HCN4226W 42" Rear Projection...

1 Answer

Picture has blue at the bottom and yellow at the top. double images and the station logo is in the wrong place


Sounds like your convergence ICs are bad. I have a tip at http://www.fixya.com/support/r4220499-change_projection_tv_convergence_ics which explains the problem, how to correct it and where to get the parts. Let me know if you need more help. Thanks for using FixYa and for the generous rating.

hardrocko

Mar 28, 2010 | Samsung HCN4226W 42" Rear Projection...

1 Answer

Samsung hcn4226w is showing double images with a wavy line?


Projection TV sets have two very common problems listed below.

Problem #1) Convergence


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,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...

*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 http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Oct 04, 2009 | Samsung HCN4226W 42" Rear Projection...

1 Answer

Samsung HCN4226W "image pinching"


The convergence IC has gone out and is located on the Main bd or the Power supply bd depending on the specific model and must be replaced and a Full convergence alignment must be performed to return your tv to a watchable condition. Only a Samsung trained tech can do this.

Jul 16, 2009 | Samsung HCN4226W 42" Rear Projection...

1 Answer

Samsung HCN4226W 42 in. Rear Projection


My 5 year old Samsung HCN4226W is not coming on (no picture and no sound). When pressing the "ON" button, I can hear a "click" like it wants to come on, but nothing happens. HEL

Oct 10, 2008 | Samsung HCN4226W 42" Rear Projection...

3 Answers

Samsung HCN4226W Rear Projection TV


You can get the convergence board by clicking here.
The service manual you might buy it from the same place.

May 23, 2008 | Samsung HCN4226W 42" Rear Projection...

1 Answer

Double picture


Samsung parts for convergance problem
http://www.partstore.com/Part/Samsung/Samsung/BP9500142E/New.aspx
This convergence board works with the following Samsung television models: HCM4215W, HCN529WX, HCN559WX/XAA, PCN5425R, HCN4226WX, HCN529WX/XA

Convergence amp ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html
http://www.hdtvoice.com/voice/showthread.php?t=28929

Feb 06, 2008 | Samsung HCN4226W 42" Rear Projection...

1 Answer

SAMSUNG 42" HDTV SHOWING DOUBLE PICTURE. SET IS 5 YEARS OLD


· Samsung parts for convergance problem
· http://www.partstore.com/Part/Samsung/Samsung/BP9500142E/New.aspx

Nov 19, 2007 | Samsung HCN4226W 42" Rear Projection...

2 Answers

Convergence problem?


That board, P/N Bp94-00155a should fix the problem and be fairly easy to replace. Make sure you unplug the TV before starting the repair though. Duh!

Mar 11, 2007 | Samsung HCN4226W 42" Rear Projection...

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