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HDTV Convergence problems

Unable to get my hdtv adjust. I go through the convergence setup as indicated by the manual but at the end I still get that double line. for example I will see the any words on the screen will be written twice one in red and the other in green.

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Re: HDTV Convergence problems

Does the convergence change, do you have the auto or manual. Look for the manual and try to adjust yourself if not then there is some resistors bad on your convergence board.

Posted on Sep 16, 2007

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I have a 12 yr old Mitsubishi projection tv model vs 60607 with a red/blue convergence problem. Can it be fixed?

It should be fixable----this model uses two of the STK-392-110 chips for convergence.

If it adjusts but will not remember the adjustments either a bad solder connection on one of the chips or a problem with the DCM---digital convergence module which stores adjustments.

Adjustments in customer menu may not be being stored--

Jun 10, 2012 | Standard (CRT) Televisions

3 Answers

Sony KV-27FS100

I think you need to do convergence setup procedure. The procedure is illustrated in service manual

May 27, 2008 | Sony FD Trinitron WEGA KV-27FS100 27" TV

1 Answer

I have an old model philips HDTV. Instead of just showing the words it has a green letter and red letter next to eachother is there a way I can fix this without having to take it in

If a large rear projection with 3d like picture---go into menu with the original remote and select convergence---if it adjusts you can do that and be good to go----if it will not adjust in some area of the screen it needs the convergence chips (Likely stk-392-120's replaced--there are two of them).


Apr 29, 2012 | Philips Standard (CRT) Televisions

1 Answer

The screen has bowed lines and different colors no sound

If the model as indicate here (WS-55807) YOU may have two problems: Convergence and a audio problem.

In customer menu select convergence and with the Mitsubishi remote try to adjust the grid of lines so no red etc--if bowed it will not adjust.

This would mean the two stk-392-570 convergence chips this model uses need to be replaced(I have free start to finish instructions for that).

The no sound may and is likely a second issue: speakers in the menu may be switched off etc.

If both happened at the same instant this model has a hard reset(not from front of set but with a 4 digit code and done with the Mitsubishi remote) This sets everything except convergence adjustments back to factory original.

It is called the OPTION menu.

So, did both issues happen at exact same time or what?

Parts for the convergence repair are under 30 dollars total and I can tell you where.


Mar 28, 2012 | Mitsubishi WS-55807 TV

2 Answers

Boe in blue dynamic convergence curcuitry. Swapped deflection yoke on two tubes but problem still remains. Unplugged convergence plug on yoke and bow disappeared but unable to adjust dynamic convergence....

what's the number of the board where you unplugged the conv yoke, should start with 930_ that is the board you need. Try the with the part number or type in the brand and model when you have the number on the board, and they display price and availability.

Jan 15, 2010 | Mitsubishi VS-45609 TV

1 Answer

Blue convergence bows when watching tv, hdtv looks great

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


Projection TV2_bing.gif 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, Samsung2_bing.gif, 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.


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 flash2_bing.gif 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


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

Sep 14, 2009 | RCA HD52W58 52" TV

1 Answer

Rcs hdtv multiple images

The problem you're having is due to the failure of the convergence amplifier circuit. In that circuit are some components which amplify or control the signals to the dynamic convergence yokes, which line up the red green and blue images to superimpose them over each other to create a proper colour picture. When you get a failure in that circuit, it no longer aligns the images properly, and generally you get what appears to be badly set geometry in multiple colours. In some cases you will also get a problem with the part of the power supply that supplies the convergence amplifiers, or the digicon, which is the digital convergence control module.

Jun 12, 2009 | Hitachi 43FDX01B TV

6 Answers

Rca r52wh74 projection 52" tv

Convergence in this unit can be one of 3 possible boards. can you adjust any the crosshairs move in customer setup convergence menu

Jan 04, 2008 | RCA HD52W58 52" TV

2 Answers


Look for bad pico fuse feeding B+ to convergence amps,two are
hiding under the heatsink amps are on, more fuses in power supply ...............................What part # did you use and what price / mfr. ?.............................T

please verify your model number on back of your tv..........T.

Nov 30, 2007 | Samsung PCL5415R TV

2 Answers

Hdtv convergence problem on Hitachi

Needs convergence IC's replaced by qualified technician.
Good set to keep a few more years..................T.

Please rate this solution....................

Oct 24, 2007 | Hitachi 43FDX01B TV

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