Question about Sony KP-51WS510 51" Rear Projection HDTV-Ready Television

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Sony KP 51WS510 convergence problem

HI, My Sony KP 51WS510 had a convergence problem, all 3 colors were mis-positioned, and I had replaced 2 convergence ICs, but the problem still there, I was wondering maybe the convergence board needs to be replaced, any idea where can I buy the convergence board ? Thanks Steven

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Please check pico fuses in D board and confirm +22 & -22 volt supply to convergence ICs.
Fuse numbers are as follows...

PS8001, PS8002, PS8003, PS8004, PS8005, PS8006


Posted on Dec 21, 2008

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The borders of objects in the picture have a black border, it makes it look like the image has been put into a cartoon filter in photoshop


Tv have colors lines like R,G,B mis alignments.Picture have shadow or tv have 3D picture look alike?Yes,this tv the convergence board it is dead,convergence board 2 STK convergence ICS and some or all of it resistors must be replace to repair the convergnce picture problems.The shop will cost u like $300-350 for parts and labors.

Jun 06, 2011 | Sony KP-51WS510 51" Rear Projection...

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I have a Sony KP-51ws510 that has wavey or fuzzy corners opposite of one another?


The problems ur tv having it is call a convergence problems,it dead.Very common problems,for old DLP tvs design.Tv have colors lines R,G,B mis alignments,have colors shadows pictures or 3D pictures look alike?Yes,than tv covergence board is dead.Tv convergence board require changes 2 STK convergence ICS and some or all of it resistors too.To fix the tv convergence board to solved the tv convergence picture problems.The shop,will cost u like $300-350 for parts and labors.

Feb 08, 2011 | Sony KP-51WS510 51" Rear Projection...

1 Answer

Sony KP-51WS510 picture swirls in the corners and is doubled


The tv have a problems known as a convergence problems,it dead.The tv have any colors lines R,G.B mis alignment,picture have colors shadows or 3D pictures.The tv convergence board the 2 STK convergence ICS and some or it resistors are dead.These parts on the tv convergence board,must be replaced to solved the tv convergence problems.The shop,will cost u $300-350 for parts and labors.

Sep 15, 2010 | Sony KP-51WS510 51" Rear Projection...

2 Answers

My tv has lots of red and green. Faces are shadowed by a red outline. It occurs on all channels and dvd.


If problem does not fix by flash focus/ convergence adjustment in Menu then replace convergence output ICs on D board of tv that sounds defective and causing problem.
Comvergence output ICs replacement requires soldering work with proper tools and electronics knowledge/ experience, call local tech if you have no experience.

Jul 16, 2010 | Sony KP-51WS510 51" Rear Projection...

1 Answer

Convergence chip part# ?


Hi,
Convergence chip used in Sony KP-51WS510 part number is as follows..

STK392-560 and Sony part number, 874901908

Available in Part Store.
Thanks.

Dec 26, 2009 | Sony KP-51WS510 51" Rear Projection...

1 Answer

KP-51WS510 convergence problem. Replaced IC's and pico fuse


Nothing else to look for but to Replace the Convergence Ic's

Nov 06, 2009 | Sony KP-51WS510 51" Rear Projection...

1 Answer

Sony rear projection kp-51ws510. color alignment


sounds like bad convergence IC---not uncommon on this set-both convergence IC"s need to be replaced and the set adjusted

Aug 07, 2009 | Projection Televisions

1 Answer

Top and bottom mis aligment and color ribbon


If the picture is curved on the top / bottom and looks like a "rainbow", the convergence amps need to be replaced.

Jun 13, 2009 | Sony KP-51WS510 51" Rear Projection...

2 Answers

Sony kp 51ws510 convergence problem


Your TV most likely has one or more possible problems.

Problem #1: Convergence Chip Failure ( common problem )

Here are some of the most common symptoms and example photos of a convergence problem
  • 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.
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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.

2c07611.pngSolution #1

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.


Problem #2 CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

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TV set after fluid change

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2c07611.pngSolution #2


What you will need to do is replace the coolant and clean the crt. You can get a repair kit from www.TvRepairKits.com that includes replacement coolant, photos. instructions, etc.

Dec 19, 2008 | Sony KP-51WS510 51" Rear Projection...

1 Answer

Color issues


This is a convergence problem that can be as simple as poor solder connections at the convergence ICs to defective ICs. Can you solder? If so, let me know and I'll provide additional instructions.

Dan

Sep 05, 2008 | Sony KP-51WS510 51" Rear Projection...

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