Question about Sony KP-57HW40 57" Rear Projection Television

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Sony tv KP-57WS520

I went to turn tv on and got no picture or no sound and the standby light on the front of the tv blinking. HELP.

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  • Anvil Dec 07, 2007

    I have the same tv sony model # KP-57WS520 I go to turn the tv on and the satndby button blinks 9 consecutive times the stops for rouhly 3 seconds then blinks 9 times again nonstop

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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

Posted on Jan 02, 2008

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1 Answer

II get sound for about 15 sec. but no picture and then shuts off


kp57ws50_57_in_rear_projection_hd_228277.jpg Problem with Sony KP-57WS520 57 in. Rear Projection

This model is really prone to one problem in particular--screen even briefly comes up bright red, green or blue and set shuts down.

15 seconds from turn on front power light should blink as set checks several things internally---if something wrong it does not let picture show.

Usually after shut down or failure power light will blink a sequence of blinks but not always depending on problem.

Did you see the screen at all go red, green, or blue before?

the more you tell me the better I can help

Mar 28, 2012 | Sony KP-57WS520 57" Rear Projection...

3 Answers

KP-57WS520 Sony Projector - No picture


Hi,
5 times blinks shows incorrect white balance (AKB) error. TV needs Screen Volts (G2) adjustment.
Take off lower front panel, find Focus Block that has 6 control knobs, adjust Screen volts of each CRT (red-green-blue) and problem will be solved.
Be Careful while working in TV.
Let me know if you have further question.
Thanks.

Dec 09, 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...

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

Screen is blank!!!!!!


How many times Standby LED blinks? Its 3 CRT rear projection TV.

Aug 01, 2008 | Sony KP-57WS520 57" Rear Projection...

1 Answer

Sony blinking standby light


That means current overload transistor Q5001 or Q5201 is shorted on the D board and must be changed

Apr 22, 2008 | Sony KP-57WS520 57" Rear Projection...

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