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

2 Answers

Convergence IC replacement

I have a Sony KP-51WS510 rear projection TV with convergence problems. I am replacing the convergence ICs and have gotten hung-up pulling the board. It seems that it is somehow secured in the area of the transformer. It's not lifting or sliding, I've pulled all of the board screws (I think) and am hesitant to "muscle" it. Any ideas on what I'm missing???

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  • nyuk-x-3 Jun 21, 2008

    Thanks Slint! While I was waiting I kept looking and using a mirror I found the 6th screw "hiding".

    I got the new ICs soldered-in, turned on the TV and........same thing. Is there some type of reset I need to perform, adjustment (I tried adjusting in the menu to no avail) or something else? Or should I be making my way down the road to do a little new TV shopping??

  • nyuk-x-3 Jun 22, 2008

    Well....checked the picos and resistors (I don't do this all the time so pulling and resetting each one got to be tedious....but all are done). All checked fine......no change in the picture.

    Any other thoughts, next steps??? - Thanks.


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Slinteriors - Could you elaborate on the "v boards" checking?

Posted on Jun 23, 2008

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Some have plastic clips that need to be pressed back to release the board. There should also be 6 screws holding the D board to its frame.

Posted on Jun 21, 2008

  • Sonny Berry
    Sonny Berry Jun 21, 2008

    Sonys will usually open a couple of the 4.7 ohm 1/2 watt resistors and also possibly one of the 6 yellow pico fuses. They are all located in a row under the fins of the Heat sink. You have to lift one leg of each resistor out of circuit to test.the 6 picos can be checked in circuit.

  • Sonny Berry
    Sonny Berry Jun 22, 2008

    next in line would be check the v boards on the convergence yokes and also the large resistors in front of the convergence ICs

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1 Answer

I have a sony kp-51ws510 projection tv, i replaced the convergence ic's and a pico fuse and then reset the convergence. The tv looks good except for a green shadow on lettering, also on the convergence...


Did you check the two pico fuses on the G board? Usually at least one will blow when the original ICs failed. I am attaching a pic that shows the 2 pico fuses on the G board.

Jul 08, 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

Distorted picture and color


This kind of problem occurs due to failure of convergence output ICs in Sony KP-51HW40 tv.
Replace convergence output ICs to solve tv problem.
This set uses two of the STK-392-570 IC chips for this (convergence problem)
Local tv repairman will do this job if you have no experience of electronics stuff repair.

Dec 22, 2010 | Sony KP-51HW40 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

I have a convergence problem- looking for wiring diag. and cheap parts or hh gregg here i come


The Sony type 1 convergence repair kit available from www.tvrepairworld.com is the correct kit for your model. The kit contains the Parts and the CD with instructions and the CD also has the service manual for your model also.

May 28, 2010 | Sony KP-51WS510 51" Rear Projection...

1 Answer

My kp-51ws-510 looks like 3D! How can I fix this


TV shows that kind of picture when convergence out ICs become defective.
Replace 2 big black convergence ICs on D board in TV, these ICs are mounted on silver heat sink, requires soldering work if you are not comfortable with replacing ICs, call local tv tech.
Let me know if there is any further question.
Thanks.

Nov 17, 2009 | Sony KP-51WS510 51" Rear Projection...

1 Answer

The blu display on my sony 65" tv is arched, making the convergence adjustment in-effective.


its failure of Convergence Out IC chip and requires replacement.
TV has 2 IC chip in convergence circuit and I would recommend to replace both at same time.
Let me know exact model of Sony 65" TV to provide you more technical info.

Mar 14, 2009 | Sony KP-51WS510 51" Rear Projection...

1 Answer

Sony KP 51WS510 convergence problem


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


Dec 21, 2008 | Sony KP-51WS510 51" Rear Projection...

1 Answer

How to change convergence ICs in Sony KP-57WS510 TV?


Replace Both STKs convergence ICs big black ics with number on them STK392-560.Parts 1-800-223-3205

Dec 20, 2008 | Sony KP-51WS510 51" Rear Projection...

1 Answer

Rear projection out


See below exploded view of your Sony KP-51WS510 TV showing boards...

d93b19d.jpg

D board is Deflection Board and has convergence ICs qty 02. If tv has problem of convergence, either you need to replace complete board or replace defective parts ( STK ICs) check IC8001 & IC8002 in D board.
If you have electronics knowledge and experience of tv repair, you can make it.
Related service manual of product made things easy because of information, parts location, applied voltages, part numbers and descriptions etc.
Need further help, let me know to provide you more info.
Thank you.

Oct 07, 2008 | Sony KP-51WS510 51" Rear Projection...

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