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Mitsubishi WS48511. The blue is bending down from the top. Covergence? I have a stk-393-110. I am still not convinced that is it.

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Hi,
Yes, it is convergence output chip issue, re-soldering of STK393-110 is recommended before replacement that might fix the problem as this chip pins got cold/ dry solder connections in circuit board due to heat issue and can cause of problem.
First inspect STK393-110 pins solder connections on circuit board, resolder them all and check, if that does not solve blue color bending issue then replace convergence IC.
Let me know if you have additional question.
Thanks.

Posted on Aug 27, 2010

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All of a sudden the picture flickered a little in blue and red images. Then the convergence was off. I have been able to align the both red and blue, but now the picture in aligned only in the center and...


The convergence are dead.The covergence board must require to be replaced 2 STK convergence ICS and some or all it resistors to solved convergence problems.U have tools,soldering iron,solders and know how to do soldering?Tries websites like Tvrepairworld.com,Tvrepairkits.com to buy a convergence kit to repair it ur self.The shop will cost u $300-350 for parts and labors.

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This tv have a convergence problems,it dead.The covergence board the 2 STK convergence ICS and some or all it resistors are dead.All these parts must be replaced to solved covergence problems.The shop will cost U $300-350 for parts and labors.

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If you go into the customer menu and select convergence--instructions will appear on screen--select advanced and a grid of lines will appear.

If red or blue are skewed and will not adjust you have a convergence problem-If model ws48511 I have complete do it yourself instructions for this kind of fix.

YOU can post a photo here of what the picture looks like--I will attach one of a typical convergence problem--no two look the same but you will know if this is the problem you have.

SD TECH

0abfd22.jpg

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You need to have the convergence output IC's replaced. These are large amplifiers which control where the red, green and blue beams land on the picture. When they fail you will get colored ghosts. This is a very common problem for any projection television. Any reputable tv repair shop can do the repair in your home and the average cost of the repair is between $225 and $325.

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1 Answer

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If you follow the instructions on the other thread, you should be able to resolve the problem. Try the simple stuff first. Resolder the pins of the convergence ICs and see if that alone resolves the problem. Sometimes that is all it takes.

Keep us posted.
Dan

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1 Answer

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Your model uses one convergence IC its a STK392-110 you need to replace that IC. You can get a replacement at the following link with free instalation instructions with pictures so you can do the repaair yourself. Here's the link.
http://servicemanuals.vstore.ca/

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