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

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Sony KP-51WS520 , lamp flashes 9 times but TV will not turn on.

Hello,
I have the same problem with my TV. Service manual says that these diodes are open. What does it mean? Do they need to be replaced?
What do you mean by chassis?
Thank you,
Barbara

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Open means they have to be replaced they are no longer good and chassis is what the tv is inside (its the electronics works)

Posted on Apr 15, 2008

  • dawn garrett
    dawn garrett Apr 15, 2008

    please let me know if I can help you any further

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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

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...

2 Answers

The standby light just blinks when i try to turn it on and it wont turn on


Count the number of blinks of the standby light. It will bink a count, pause and do it again (Common counts are 2 -9) Give this count to a Sony service center and they can help you know what the issue is. (Probably the lamp)

Apr 17, 2010 | Sony KP-51WS520 51" Rear Projection...

1 Answer

I have a Sony KP-51ws520. I cannot power on. says stand bye and blinks 9 times.PLEASE HELP it is only 5 years old and they says some of the parts are no longer available.


Those LED flashs are a fault indicator...First thing to do is to try a reset:

With the TV plugged in push and hold down the reset button on your remote then press the power button on the the TV and then release the reset button once the screen has come up.

9 blinks means, "Zero Crossing Detector" and the probable cause locations listed are "D6166 or D6114 is open

If you are handy you can replace D6301 diode and it fixed the problem. You can buy that diode at partstore.com for $3. good luck





If still no luck then this is going to require a serviceman.

Jan 28, 2010 | Sony KP-51WS520 51" Rear Projection...

1 Answer

WHEN I TURN IT ON ALL THAT HAPPENS IS THE STAND BY LAMP FLASHES 9 TIMES THEN PAUSES


Diodes are blown on the G board (Power) which triggers the zero cross error. replace the G board or have yours rebuilt.

Nov 28, 2009 | Sony KP-51WS520 51" Rear Projection...

1 Answer

The tv wont turn on. the red light blinks 9 times.


There is a problem with one or two of the diodes on the G board.
Zero Crossing Detector 9 times 9:0 or 9:1
Probable cause • D6116 or D6301 is open (G Board)
symptom • No picture
I hope this helps and good luck!
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Oct 31, 2009 | Sony KP-51WS520 51" Rear Projection...

1 Answer

Tv wont turn on


You have a zero crossing failure.

Replace diodes D6301 and D6116 on the G board with 1n4002 diodes.

May 17, 2009 | Sony KP-51WS520 51" Rear Projection...

1 Answer

TV won't turn on


There's a small diode on the power supply board that causes this. Its identifiable by its purple stripe. You will need the correct type of diode to fix this properly. The diode supplies the standby voltage to the system control circuit, so when it fails, the TV will never come on.

michtech

Feb 12, 2009 | 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

Standby flashes 9 times


the 9 flashes means your Diode D6116 or D6301 is open on G board and needs to be replaced ...and your chassis is Ax-1x

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

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