Question about Sony KP-51WS520 51" Rear Projection HDTV-Ready Television

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Sony KP-51WS520 Where is the D board?

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  • michellecrou Feb 22, 2009

    i had a 9 blink sent d board to sony got back plug in now a 10 blinks comes up

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  • Sony Master
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When you look into the back of the set its the large board on the left hand side that lays flat. It has the large Flyback transformer with the large red wire coming out of the top.

Posted on Aug 16, 2008

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Diodes used on sony kp-51ws520 boards


The 9 blinks is caused by failed zero cross diodes you can get the repir kit for that issue which includes the diodes nd the CD with repair instructions from www.tvrepairworld.com the kit is listed under the Sony Repair kits catagory.

Oct 29, 2012 | Sony KP-51WS520 51" Rear Projection...

1 Answer

Sony kp-51ws520 no picture or raster only menu.


Thats almost always caused by a failure in the vertical circuits which shut the CRTs down for protection but the menu and vol displays function fine. The D board will need to be replaced. You can get the D board for your model at www.tvcircuitboards.com

Jul 24, 2011 | Sony KP-51WS520 51" Rear Projection...

1 Answer

I have sony wega sony wega tv kp 51ws520 no turn on just standby light blinking and i lost remot plz help me


Is the light blinking 9 times? If so thats a very common problem caused by failed diodes on the G board which will need to be replaced.

Jul 19, 2011 | Sony KP-51WS520 51" Rear Projection...

1 Answer

Sony Projection TV KP-51WS520 won't come on. Blinks 5 times on front.


One of the Video amp ICs on one of the CRT drive boards has most likely failed.

Nov 27, 2009 | Sony KP-51WS520 51" Rear Projection...

1 Answer

10 BlINKING LIGHTS ON SONY TELEVISION


in these sets you have to check the power supply board. check all capacitors maybe blown on top.

Jun 07, 2009 | Sony KP-51WS520 51" Rear Projection...

1 Answer

KP-51WS520 wont turn on - standby & timer lights on constantlly


You need to check supply volts on main micro IC702 on main board of Sony KP-51WS520 TV.
If you have experience of big TV repair then I would recommend to get service manual of TV from any online store and check above said IC supply volts. TV must give error by blinking light in case any problem in drive circuits and if main micro fried, no error signal will be there.


Dec 05, 2008 | Sony KP-51WS520 51" Rear Projection...

1 Answer

My SONY TV (KP-51WS520) will not turn on...


a Diode allows electricity to flow in one direction and blocks it in the other direction. So when its open means its burnt out and nothing can pass through in any direction. they will need to be replaced.

Apr 14, 2008 | Sony KP-51WS520 51" Rear Projection...

1 Answer

Sony kp-51ws520 blinks 6 times


Heres what the 6 blinks means with your model. Here is a link where you can gey the full service manual for your set with trouble shooting and full part number list. they email them Instantly after purchase
• +5 line is overloaded.
(A and BM Boards)
• +5 line is shorted. (A and BM Boards)
• IC303 is faulty. (A Board)

Heres the link for the manual
http://servicemanuals.vstore.ca/

Apr 13, 2008 | Sony KP-51WS520 51" Rear Projection...

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