Question about Sony KP-51WS500 51" Rear Projection Television

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Kp-51ws510 I started out with converg problem,but after replacing both output ics i find the set now won"t tur on, it attempts to turn on high voltage builds up thenquickly shuts down with 4 relay clicks .I also found ps5001 5amp fuse to be open,but replacing it did not help.the tv flashes a code 6. i also replaced ic5004 which did not help.

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Do you find any patterrn or red or green lights blinking???

Posted on Feb 29, 2008

  • isaac johny
    isaac johny Feb 29, 2008

    6 blinks is usually associated with failure of the horizontal
    deflection amplifier - which shuts down the high voltage system as well.



    The repair requires testing to determine the exact parts that have
    failed. There are, for example, a few hundred parts and a section of
    the Jungle IC chip involved. So, repairs could require something as
    simple as replacing some inexpensive passive components OR as
    complicated as replacing the jungle chip (very expensive).



    I think, in this case, you will need a tech to analyze the circuit to get at the bottom of it.

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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.

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

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I have found that on this set you need to check the pico fuses on the power supply board (there are two located parallel to each other) and on the convergence board (underneath the aluminum heat sink where the IC's are mounted).

Nov 29, 2009 | Sony KP-51WS510 51" Rear Projection...

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

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1 Answer

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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


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...

1 Answer

Kp51ws510


Did the set have convergence problems before picture left? If so then you can unplug the conver. Bd and see if set comes up then this will tell you where the problems lies. Or you can check IC902, Q800-810 D655

Dec 05, 2007 | Sony KP-51WS510 51" Rear Projection...

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