Question about Sony KP-57WS500 57" Rear Projection Television

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Picture Fades When I turn the tv on the picture is normal. Within 2 minutes the color fades to blue and goes out completely.

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Re: Picture Fades

It isn't clear if the picture just loses color or the screen goes blank. If you are just losing color (picture goes to B/W) there is a problem in the color circuit and from your description it could easily be a bad solder connection on the board which decodes the color portion of the picture. If you are capable with a soldering iron and know TV HV safety, unplug the set, and remove the circuit boards and inspect (with a high powered magnifier)and resolder all suspect looking connections on the boards. You could also resolder all the connections which is more work but assures that solder joints are not the problem. If your problem is not solved at this point you are probably going to need a technician to look at it as it could be just about anything and probably would be beyond your expertise. Good luck and be safe.

Posted on Jul 12, 2006

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The screen turns blue after about 2 minutes of turning on the TV

Sony TVs has an Optical Block issue. If there is an issue with the optical block, then there will be green, blue patches or tint on the TV display. Try resetting the TV to the factory settings and try Power resetting the TV. Turn Off the TV and remove the power plug from the wall outlet for 1 minute and reconnect it and check the operation. If the issue still persists, then TV may require service. You can contact the Customer relations team and check for the available options. Sony had repaired free of cost for such issues. Hence, contact the customer relations.

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Since its an old model so spare parts would hardly be available and local tv repair shop will help you to arrange required part, if they can.

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Regular picture size shrinks and color fades

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1 Answer

Picture comes on then fades to blue

Check the info from this website to see if you are able to fix your TV. You should turn the blue screen control down slightly counterclockwise. If that did not work, then more likely you have a video amplifier IC defective or a blue CRT.

Dec 19, 2008 | Sony KP-57WS500 57" Rear Projection...

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Normal pictures fades to blue screen within 30 seconds

The fix for this is here somewhere, as I had the same problem last January and the solution was posted here in March last year. I'll try to find it and post the link to it for you, later.

Nov 06, 2008 | Sony KP-51HW40 51" Rear Projection...

1 Answer

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Sep 15, 2008 | Sony KP-51HW40 51" Rear Projection...

1 Answer

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

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.

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...

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