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

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Samsung hcm4216 rear projection

I have a blue shadow/bar across the top and arching half way down the set, Ive researched other projecion tv's and found that the blue convergence board seemed to be the problem. I've checked my model and i dont see convergence boards. On the list, there is a (picture tube for blue). Does that sound like what I need? It's $271.00 Is it resonably easy to replace? thanks. Dan. p.s. here's the parts list for my model http://www.samsungparts.com/search/search.asp

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

Posted on Dec 18, 2007

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2 Answers

Green hazy upside down arch of color across the screen


Your convergence board is in need of reworking on a component level or replacing the board! And you will most undoubtedly need to resolder the vertical IC and all ICs mounted on heatsinks on the power supply board. This TV is showing its age. You may choose to repair and that may last a year more or so! Good Luck and thank you for asking!

Jun 20, 2010 | Mitsubishi VS-50605 50" Rear Projection...

1 Answer

After a half hour of operation, the picture begins to shadow.


These sets have several common problems listed below.

Problem #1) Convergence

Symptoms:

  • Screen Looks Distorted/3D
  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - makes a chirping sound.
Problem #2 CRT Fluid has clouded over. Symtoms
  • Dull looking screen
  • White looking sceen
  • Halos around objects
  • Red/Orange looking

You can see some examples and find a fix here...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Mar 07, 2010 | Hitachi 50UX57B 50" Rear Projection...

1 Answer

Green cruve line


Good Day;
Suspect Convergence IC's STK4274, part Number 2003191. Replace all three IK04(red), IK05(green), IK06(blue).
Good Luck, big IRISH.

Aug 30, 2008 | Hitachi 50UX26B/27K 50" Rear Projection...

1 Answer

Blue Convergence


Hello All Above,
Your one and only problem is a bad convergence Amp board. Changing it will fix your set. You can contact http://www.interactiverepair.com for step by step assistant with installation of this board.
List price $100
Part Number: BP95-00142P
758d694.jpg
Best regards
circuitcity

Mar 11, 2008 | Samsung HCN653W 65" Rear Projection...

1 Answer

Blue color problem


same here, fuzzy blue when trying perfect focus, all other colors are sharp. I have the 2 STK392-040 package

Feb 24, 2008 | Samsung HCN4226W 42" Rear Projection...

4 Answers

Samsung hcm4216 projection tv blue color problem


first of all in setup mode(where convergence is)select blue screen off.then go to picture mode and either select a set mode,or enter user and manually set contrast,brightness,colour,sharpness and tint.you can acheive near hd quality this way on non hd projtv

Feb 24, 2008 | Samsung HCM4216W 42" Rear Projection...

1 Answer

Toshiba 50H82 blue arcing?


color shadows on numbers or letters indicate a possible convergence problem.. might be a crt deflection problem.

Dec 18, 2007 | Toshiba 50H82 50" Rear Projection...

1 Answer

Colour alignment off


Need to replace the convergence IC in the green vertical circuit. Check the 3.9 ohm resistors located in front of the IC.

Nov 02, 2007 | Samsung HCN436W 43" Rear Projection...

1 Answer

RCA 52" HDTV Rear Projection TV MM52110JX1


Replace FL231 400ma fuse. this will fix your problem.

Oct 26, 2007 | RCA D52W19 52" Rear Projection Television

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