Question about Sony KP-53V45 53" Rear Projection Television

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Convergence problem We have a Sony rear proj model KP-53v45. The top and bottom of the screen has arc with the double green/pink on faces/text etc. I have tried to match the red and blue to the cross and sometimes it's perfect and other the horizonal line is not straight. Once I do this it usually doesnt work unless we touch the cable in the back that goes into the bottom right plug. If the tv is move a little(it;s on wheels on a hard floor) or move the cable a little it will fix but if you move the tv the slightest or shut it off and turn it on, it will go back to the arc and double color. Otherwise it works perfectly, was given to us so only have remote and manual. Does it need the STK part or new chip? Just going by what others have said.Thanks ahead of time..........Patty

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  • tracy2127 Oct 14, 2008

    where do i get a picture of thr F connector? i can fix myself...

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Patty,
Normally the common problem you're describing requires replacement of the convergence amps Ic809 & Ic810 which are both STK392-110's. But the fact that the unit makes a self-correction with a slight amonunt of pressure (touching) at the "F" connector indicates that you may just have some contacts on the convergence amps that just need resoldering.. If you're not too sure how to do this and/or it's a bit beyond your ability it wouldn't be that expensive to have a tech service that in-home.
Bill

Posted on Nov 24, 2007

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Problem : Convergence Chip Failure ( common problem )

Here are some of the most common symptoms and example photos of a convergence problem
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Here is a quick test....

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

Try to adjust the red and then the blue convergence.



You should be able to move them up, down, left, and right.

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

Solution :


You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.

I hope this will solve your issue.

Good Luck.

If my solution proves useful please accept it.

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