Question about Sony KP-51HW40 51" Rear Projection Television

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Kp-fs57 blue screen then turns off

Hello.. I have a kp-fs57, when first turned on picture is good for about 5 secs then screen goes blue and picture is hardly visable, parabolic lines top and bottom of screen, then screen goes black and switches to standby.
the self check flashes 6 times.
is it worth repairing?

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  • 556 Answers

Could be one of three things the yokes, the flyback transformer or the picture tubes, all will be a costly repair. If it was mine I would invest the money in a new one.

Posted on Sep 10, 2009

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What does it mean when the picture goes blue? the picture turns blue while we watching it


Typically it is an indication that the blue CRT is failing. If screen turned red, then the red CRT would be failing, etc..

Sometimes you might see the screen flash blue and then go solid blue, then shutdown.

You need an experienced repair person to fix it. It can be expensive.

Mar 20, 2011 | Sony KP-57WS500 57" Rear Projection...

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Turns on for 30 sec then goes bright blue and goes back into standby. turn back on it does it agian


This is blue CRT problem in tv as it is rear projection tv that has three CRTs red-green-blue inside to project color picture on front screen.
Blue CRT (tube) will be replaced to fix the issue and it is job of Pro because lots of adjustments are required after replacement of tube.
Local tv repair shop will help you for that.
Thanks

Oct 02, 2010 | Sony KP-51WS500 51" Rear Projection...

1 Answer

Kp-65wv700 7 blinks


hello High voltage shutdown. The high voltage has exceeded 33k and the unit goes immediately into safety shutdown. Check power supply regulation and horizontal circuits.

shaun

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On our Sony KP-51WS510 projector television (with HD cable box) when we turn it on the screen goes green and the turns the cable box off and goes blank. Also I noticed the light on the front of the...


when it goes green, your green picture tube is shorting out, replaceing the green tube costs alot of money. these sony's had alot of bad tubes, the red and blue are probably going out too, it will cost alot to fix this, at least $500 even if you find good used picture tubes to put in it.

Sep 19, 2009 | Sony KP-51WS500 51" Rear Projection...

2 Answers

Turns on, then it goes all blue with some curved lines, then off


possible crt problem, most likely though its a convergence problem. expect to pay around $300

Jul 26, 2009 | Sony KP-46WT510 46" Rear Projection HDTV

1 Answer

Sony Color Rear Video Projector - KP 57hw40 / Mfg. February 2002


i have the same problem picture is blue/green with blue and green arched horizontal lines

no picture at all only sound then tv shuts off after 5-10 seconds and then a bright blue flash in the center of the screen

have tried adjusting the voltage screws didnt do anything

Jul 13, 2008 | Sony KP-57HW40 57" Rear Projection...

1 Answer

Sony KP-51HW40 51 in. Rear Projection turns blue


Hello......
First reduse the G2 voltage for the blue c.r.t,and watch if the unit works for longer period (offcource blue colour will be not present).After reducing G2 voltage to blue c.r.t still behaves the same than c.r.t is faulty and you have to replace.
Pls count the red led blinking when it goes off,incase it goes to std by mode.
Gopali

Dec 14, 2007 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Sony Kp-51hw40


Sounds like a bad solder connection in the sweep power supply. Not a repair for the novice I'm afraid. If you get it fixed before the set goes out completely, it should not be that expensive of a repair. Good Luck

Jun 03, 2007 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Big screen troubles....


It is either going to be a shorted blue CRT (picture tube) or a driver board for it. I suspect the CRT itself.

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