Question about Sony Grand WEGA KF50WE610 50" Rear Projection HDTV-Ready Television

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Sony rear projetion TV KP-57WS520 wont come on.

The standby/power blinks 9 times over & over, but dose not come on.

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This is an all-to-common power supply failure due to bad capacitors in power supply. Very common in new tv's.

Posted on Sep 10, 2009

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1 Answer

Sony KP-57WS520: Standby light blinking 9 times then repeats


thats caused by failed zero cross diodes on the G board. You can get the G board repaired from www.tvrepairworld.com replacement boards are no longer available for that model.

Aug 04, 2011 | Sony KP-57WS520 57" Rear Projection...

3 Answers

Problem for Sony KP-57WS520 57 in. Rear Projection HDTV-Ready... Stand by light flashing, TV will not turn on


need to know the number of blinks as thats an error code. it should blink a series of blinks pause briefly then repeat the sequence.

Nov 23, 2009 | Sony KP-57WS520 57" Rear Projection...

1 Answer

My sony Wega KP-57WS520 TV blinks 9 times


Major prob.take to the shop,this prob. have to repair many boards.

Nov 17, 2009 | Sony KP-57WS520 57" Rear Projection...

2 Answers

My sony Wega KP-57WS520 TV blinks 9 times and the picture and sound won't come on.


the blinking is an error code telling you that tv needs a new power supply.. have your tv serviced...

Nov 17, 2009 | Sony KP-57WS520 57" Rear Projection...

1 Answer

Sony KP-57WS520 57


Diodes are blown on the G board ( POWER BD) replace the G board.

Jun 15, 2009 | Sony KP-57WS520 57" Rear Projection...

2 Answers

Sony KP-57ws520 9 blinking lights on standby


I think I can help you whit this, This is a common problem with the "G" Board (power supply) it will need two diodes one of them is a royal PITA to solder/handle and about 2mm long surface mounted(very small).

Jun 09, 2009 | Sony KP-57WS520 57" Rear Projection...

1 Answer

Sony KP-57WS520 57 in. Rear Projection TV standby light blinks


Hello,
Please mention how many times standby light blinks on your KP-57WS520
There would be bit long pause between blinks so count the blinks and let me know to help you.

Dec 05, 2008 | Sony KP-57WS520 57" Rear Projection...

1 Answer

Sony tv KP-57WS520


9 times, Diagnosis: Audio error. Possible causes: +- 19V line is shorted. (A, B boards), IC708 is faulty. (A board), PS701 or PS702 is opened. (A board). Symptoms of the problem: No sound

Sep 23, 2007 | Sony KP-57HW40 57" Rear Projection...

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