Question about Mitsubishi WS-65809 65" Rear Projection Television

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Red convergence problem - Mitsubishi 65

Had red convergence problem for Mitsubishi 65" rear projection tv.
Just replace both STK-380 IC's, all big resistors are good.
Solder connections look good.
Set to factory default convergence.
Red + off, but will not move any direction. (Blue can be moved)

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  • Show-me Jan 03, 2009

    Curious on the details and outcome of this. My red convergence is off in the vertical direction and cannot be adjusted.

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It sounds like your red gun might be close to going, we had the same problem our tv

Posted on Jan 07, 2009

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It sounds like your red gun might be close to going, we had the same problem our tv. The red was off and couldnt really be adjusted but the others were alright. We were told that the red gun was nearing the end of its life and it could cost upwards of $1000 to fix, so we just got a new tv. i would suggest having a tv tech come out and look just to make sure, but thats wut it sounds like.

Posted on Oct 20, 2008

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1 Answer

Tv is showing double images, not lining up


Your Convergence ICs have failed. Replace the STK chips, check fuses and the resistors next to the STK chips. Replace as necessary and re-align via the service menu.


Use this simple test to verify.
Go to the users menu on the tv.
Look for the converge option to align the red and blue colors

If you cannot move the red either horizontal or vertical, then the STK chip has failed for red section.
If you cannot move the blue either horizontal or vertical, then the STK chip has failed for the blue section.

If you can move both in each direction then the problem is something else.


Note if one STK chip fails, you replace both regardless.

Feb 20, 2011 | Mitsubishi WS-65809 65" Rear Projection...

1 Answer

Mitsubishi big screen rear projection tv the blue


The tv 100% have convergence problems,it dead.If any colors lines don't matches or stay in the - + convergence grid.The tv convergence board have dead 2 STK convergence ICS and some or all of it resistors too.The tv conververgence board must have these parts changes to solved the tv convergence picture problems.The shop,will cost u like $300-350 for parts and labors.

Dec 11, 2010 | Mitsubishi Televison & Video

1 Answer

I have a Mitsubishi WS-65869 65 in. Rear Projection Television and it has created a wavey line and has distorted the image. i have a picture of it i can send. Any help. i can send pictures of screen.


If you see separation of colors (red, green) in this wavey line most likely you have problem with convergence circuit. Two convergence amps have to be replaced. They located in a middle of the TV boards attached to big aluminum radiator and they part number starts with letters "STK".
I would recommend to let professional with this repair. Should cost you about $250-$300.
Regards.
Russ.

Dec 01, 2010 | Mitsubishi WS-65869 65" Rear Projection...

2 Answers

65" rear pro. Convergence IC Repair


This is a common problem. Its called a convergence failure.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3D
  • Colors wont align
  • Video may look distorted
Problem #2 CRT Fluid has clouded over. Symtoms
  • Dull looking video
  • White looking video
  • Halos around objects
  • Red/Orange looking video

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

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

Feb 18, 2010 | Mitsubishi WS-65809 65" Rear Projection...

1 Answer

Mitsubishi rear projection tv


replace vertical IC and shadows/ghosting the problem is either electrolytic capcitor or video IC or convergence adjustment

Aug 18, 2008 | Mitsubishi WS-65809 65" Rear Projection...

3 Answers

Red and Green


check video IC or tv convergence sometimes yoke

Aug 12, 2008 | Mitsubishi WS-65809 65" Rear Projection...

1 Answer

Red convergence


I suspect you have a bad convergence ic bad the letters 0n the ics start with stk replace ic you will have a good shot that will fix it. you do need to be able to solder . be careful. there are 2 ics replace both .

mcm electronics for parts

thanks jay

Jun 01, 2008 | Mitsubishi VS-55609 55" Rear Projection...

1 Answer

The red convergence cannot be corrected


There are two ic that should be replaced in convergence. It is like doing your breaks on your car you should do both sides. the parts are only 30. dollars.there are differant kinds for each model
stk 392-150 or stk392-040 so on the part you need will be on the convergence .make sure you check the resistor around convergence ics if they are burned you have to replace them to.
a tv shop charges around 300.00 to fix this repair
good luck



thanks Doctor video leadingedegeelectronics

Apr 28, 2008 | Samsung HCN653W 65" Rear Projection...

1 Answer

Red horizontal lines won't line up.


convergence ic bad
http://home.earthlink.net/~oleg.filippov/ConvergenceFix.htm
http://cmpalmer.blogspot.com/2006/11/fixing-my-own-tv-part-ii.html

Jan 06, 2008 | Mitsubishi WS-65809 65" Rear Projection...

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