Question about Mitsubishi WS-55511 55" Rear Projection Television

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Blue shift on Mistubishi WS55411

Blue is shifted up and curves out toward the corners. Convergence correction works for the red, but only horizontally for the blue. Is this fixable? Is it an expensive fix? Can I fix it myself?

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It is fixable, It is the convergence circuit causing the problem. Unless you are familiar with electronics and with Projection TVs I would not attempt to fix it. Plus the way the convergence board is mounted with hidden screws makes it even more difficult. I would estimate cost would be around 300.00 to 350.00. The set is worth putting the money into it. I recommend a professional to do it.
Hope this helps,
Skyassoc

Posted on Jul 03, 2009

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Posted on Jan 02, 2017

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Could not set blue convergence properly after it gradually drifting off horizontally. Replaced convergence chips with repair kit from tvrepairkits.com. Tested all resistors and they test good, within 5%...


U used every components,that came with that kit?Grounding ur self.Used a low wattage soldering iron resoldering the convergence ICS again,no matter what the resistors are in torrence or not replaced all of the resistors,still have the same problems.The 2 convergence ICS got to much heat and stastic ectricity charges it it shorted and kill the 2 convergnce ICs.

Dec 19, 2010 | Hitachi 53UWX10B 53" Rear Projection...

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Red shift to left with curve at bottom


Par 2 = " I do see the convergence chips..."
Par 3 = " I'm not sure where the IC's are...."
Please verify STK part # of IC's on large heatsinks.....
And then I'll give you step-by-step instructions......T.

Nov 19, 2007 | Panasonic PT-47WX53 47" Rear Projection...

1 Answer

Toshiba 42h83.... The blue convergence will not line up. The horizontal will but the vertical will only move so far. when touch focus starts the reds and greens are perfectly strait the blue vertical is...


bmarino18,

Initially I would have told you to replace the convergence ICs but after reading your post carefully I think you could have a problem with the convergence box. The lines can only be bent/curved for two reasons. One - the yokes are bad causing an undue strain on the power supply and not being able to correct the problem. Two - the convergence box/board is bad and is not holding the settings causing the curve you see. I cannot tell you which problem you have. You wil have to determine this. I do have a tip at http://www.fixya.com/support/r4273935-replace_digital_convergence_box which may be helpful.

Thanks for using FixYa and for the great rating.

hardrocko

Dec 08, 2010 | Toshiba 42H83 42" Rear Projection...

1 Answer

When we try to adjust red cross, red adjustment will go side to side but not up and down. Red horizontal line is curved instead of a straight horizontal line. Blue can be adjusted up and down and don't...


Thats the classic sign of failed convergence ICs and resistors. You can get the convergence repair kit for your model at www.tvrepairworld.com the kit contains the parts and the Cd with instructions.

Mar 09, 2010 | JVC AV-48WP30 48" Rear Projection...

1 Answer

Convergence issue... I tried to manually fix it through the menu option without any luck. The convergence does curve at the top and bottom of the screen.


It seems the solder is broken in Vertical Convergence Amplifiers or it is damage internally. This model has 2 Conv. Amps: 1 for Horizontal (Red, Green and Blue) and 1 for Vertical Convergence output (Red, Green and Blue), if the convergence does curve at the top and bottom, it is because Vertical Converegence output is no good. The Conv. Amp. costs around 20 dlls. Thats why you can not fix it with the Menu option. Good luck!

Nov 13, 2009 | Philips 60PP9202 60" Rear Projection...

1 Answer

Blue convergence is shifted right slightly


CHECK FOR THE SUFECE MOUNT CAPACITORS AT THE SMALL CONVERGENCE CIRCUIT BOARD

Jul 13, 2009 | Mitsubishi VS-60609 60" Rear Projection...

1 Answer

Red and Blue seperate and picture curved toward the middle


You have a hardware problem, you cannot fix it using the menu. in fact you could make it worse.

Try googling DIY convergence repair if you can solder.

If not then call in a pro, about $300

Jul 12, 2009 | Toshiba 50H81 50" Rear Projection...

1 Answer

Horizontal Curvature with convergence problem


DA, convergence circuit has failed, the IC`s and possibly a couple of support resistors need to be replaced, your right about it being a good set, 6 years is about average for convergence IC`s, call your local shops for a few estimates and get it fixed, it will run for a lot longer than 6 years, hope this is the advice your looking for, e-mail me if you have more questions, BMW Rider

Dec 10, 2007 | Toshiba 65H81 65" Rear Projection...

1 Answer

Convergence issue resolved but concave picture remains


Set will need new convergence IC's.Requires chassis pull===technical & mechanical skill mandatory.After repair,re-aligment necessary.

Sep 26, 2007 | Philips 55PW9363 55" Rear Projection...

1 Answer

Convergence


Replace both convergence IC's part# STK392-040. Also check for burnt/discolored resistors nearby.

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