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

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I have two problems with my TV.... The first one I know about - the green convergence is off. The menu only gives me the option to manually fix the blue or red convergence. Am I out of luck? The second is that my TV's original remote is not talking to the TV's sensor. I know that the problem is with the TV not the remote. This makes it impossible to even begin to fix the green convergence. How do I fix the sensor? or how much would it cost to get it repaired? Thank You

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Mats Electronics will have everyhting you need to fix both problems Remotes and STK ICs in Convergence circuit STK392-110 use 150s also ck all 6 low ohm resistors 1.8 ohms 1-800-628-1118

Posted on Jun 03, 2010

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1 Answer

My TV color has yellow, blue and red shadows n the picture.


Enter Service mode.. Press Menu -0-1-5-7 in quick succession . From there select the convergence option. You should see 3 crosshairs -Red, Blue and Green. Green is fixed but Red and blue can be moved. Align both of them with green and see if the issue resolves. If not Try moving them around and see if the problem is cleared. If not you may have the inevitable convegence IC problem and the IC needs to be replaced. Let me know if that is the case and I will give you the procedure.

Jun 11, 2010 | Mitsubishi WS-55907 55" Rear Projection...

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I hav a RCA model D52W25 its 52" it has convergence problems dont know how to setup the color things can u help??


Click on the following link :

http://www.riddledtv.com/repair/RCA.html. Go to the following section

RCA 52" D52W25 ITC222 rca_d52w25_small.jpg
(2) (3) (4)
(5) Stretched Image at top and bottom edge very distorted. Reheat all the surface mount solder points on the Small Signal Board. Then realign the set including convergence menu. To enter service mode: power off the set for 10 sec, then hold down Vol- and Ch- buttons for 10 sec. See this link: Alignment Procedure (pdf)


Also download the Alignment procedure pdf file. Hope this will help you. Please let me know if the information was of any help to you or you need further assistance.

Thanks

Oct 08, 2008 | Televison & Video

1 Answer

Convergence issue-60 inch RCA projetion TV


it is under set up options in the menu

Oct 16, 2009 | Televison & Video

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My rca r52wm24 HD/TV monitior,is having ploblems with the picture, last night all of the suden the picture looks like a 3d movie with out the glasse, what is the problem


the problem is called convergence.this model was made with 2 options for convergence.first go into menu of tv,find convergence.if it has auto convergence activate it,IMPORTANT dont do any thing until its done(it will reach 100%,you can see it on the screen.the 2nd option is manual convergence,in that case you have to adjust the red onto the green then blue onto the green,DO NOT MOVE THE GREEN.both red/blue will move up and down,left and right.

Sep 24, 2009 | RCA R52WM24 52" HDTV Projection Television

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Hitachi 43FDX01B green is out of whack


The green is not adjustable in the customer menu because it is considered the 'master' color. It is adjustable in the technician mode however but if it is curved it won't even adjust properly that way either. The problem is the convergence ampifier responsible for green convergence has failed. The convergence output IC's need to be replaced.

May 27, 2009 | Hitachi 43FDX01B TV

1 Answer

The color green has come out of the other colors


Needs to be converged if this is a projection tv. Check menu for a cutomer convergence option. Should be a manual or auto convergence. If you cannot move anything in manual convergence then convergence amplifiers are bad and need to be replaced. Professional can replace no problem.

Apr 09, 2009 | Televison & Video

1 Answer

Toshiba 41h81 green convergence problem


Below are two of the most common problems encountered with projection TV sets.

Problem #1 - CONVERGENCE PROBLEM

Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV 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, Zenith, and others. You can get a convergenece repair kit from the link below.

Common Symptoms include....
  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
  • TV shuts off after powering on - TV may also make a chirping noise.
Here are some photos of convergence problems.

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Here is a quick test....

Using your original remote go-to the settings menu then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move RED and BLUE in all directions - up, down, left, and right.

If you can't move them in all directions or cant move them far enough your convergence chips are bad and should be replaced. This is a common problem.

Note: If you TV has as flash focus or magic focus button only try pressing the button. If it fails to fix the convergence your need to fix it. See below for a solution

93a1209.pngCONVERGENCE SOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses.
This is a a fairly easy DIY job if you know what you are doing. If you have never done this before we would advise calling a shop or if you want to do it yourself get a complete kit with instructions and support from www.TvRepairKits.com

Apr 07, 2009 | Toshiba 42H81 42" Rear Projection...

2 Answers

RED GREEN BLUE CONVERGENCE IS OUT.


if you have a rca hd56w66 chasis itc222 you may have the common fl231 fuse problem. I see this everday at the shop. to determine if you may have this problem. i have written a little article on this subject. Consult tips and tricks section under my profile. Going into maintence mode might have reset some settings.

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1 Answer

Rca d40w20 tv convergence and power on problems


The problem is most likely due to a defective convergence IC.

There are two convergence STK ICs located on the convergence board.

You need first to test the ICS, by checking for continuity the pico fuses at the base of the ICs, then replace the faulty STK.

You should trying doing it yourself only if you are a proven electronic repairer.

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