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

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Sony Projection TV turning blue

I have a 57" Sony Projection TV that after a couple minutes it starts turning blue. i open the back panel and and only the blue bulb stayed lite up. Some people told me about "FOCUS BLOCK", reseting the WHITE CRT's, and someone told me on how there is a way to reset a projection tv. Can you help me with this. Thanks

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  • Anonymous Jan 03, 2009

    is the flyback plug and play?

  • jstepjr Jan 05, 2009

    the screen went completely blue and cut off. i get sound but nothing but a blue screen if i cut it on, it only stays on about 5 seconds then cuts back off.

  • samarashbn Jan 07, 2009

    I have a sony ''50 and after a few min the red and green bulb turns off and the screen turns blue. If i wait ten min and turn tv back on it stays normal for a few min and the same thing happends again

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SOUNDS LIKE YOU NEED A NEW FLYBACK COMMON ON THIS MODEL COST AROUND 70.00 FROM SONY PARTS...PART NUMBER #145328521 LOCATED ON THE d-BOARD

Posted on Dec 07, 2008

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1 Answer

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.

Jul 25, 2010 | Sony KP-57HW40 57" Rear Projection...

2 Answers

Screen fades to blue.


The Blue SCREEN setting is too high. These adjustments are located inside the TV behind the front panel. There are two screws behind covers and then a wooden panel to remove to access the adjustments. The leftmost set are for BLUE, the middle are GREEN, and the right are RED. The top row are FOCUS and the bottom are SCREEN. Focus will focus/unfocus the tube and Screen will adjust the power of that tube (there are 3 tubes, one for each color). If Screen is adjusted too high, horizontal lines will appear (my TV had red lines, but I played around with the knobs and saw that it could happen on any of the colors). Additionally, if SCREEN is set even higher than that, the tube could go so high that it turns the whole screen that color (in your case, blue). If this happens the TV will shut down, probably due to either overheating or overvolting. To fix this issue, turn the appropriate SCREEN dial down until the lines go away. In your case, you want to turn the lower left dial down. Don't turn it too far down, if you turn it more than necessary the TV can give you an AKB error (noted by the STANDBY light flashing a sequence of 5 blinks).

Apr 02, 2009 | Sony KP-57WS500 57" Rear Projection...

1 Answer

Tv comes on for a few minutes then goes off


If you take off the front bottom panel of the tv wich is easy. Then you will see 6 tuning knobs at the bottom middle of the tv .the top 6 control contrast for the lights dont mess with those. the bottom 3 are the power to each light.red is bottom left if your screen went blue it makes sense that the red is starting to go but if you turn down the power to it left 1/8 turn it should fix it for awhile .Its easy.

Jan 01, 2009 | Sony KP-57WS500 57" Rear Projection...

1 Answer

Sonykp57hw40


sounds like the blue CRT is shorted and thats what is shutting down the set.

Jun 07, 2008 | Sony KP-57HW40 57" Rear Projection...

1 Answer

Sony turns on and off again


My tv too had a blue screen problem. Then it started to shut down after staying on for less than a minute. I thought that I would with a huge repair bill but I followed the directions at this link: http://www.somelifeblog.com/2007/06/sony-projection-tv-red-line-repair.html and now my tv works perfectly.

Apr 27, 2008 | Sony KP-57WS500 57" Rear Projection...

1 Answer

Sony KP-57HW40 57


Sounds like a convergance amp problem or possibly the S.D.K.'s are going out

Apr 20, 2008 | Sony KP-57HW40 57" Rear Projection...

1 Answer

Green screen...


Probable bad green CRT..........usually about 600.00....T.

Aug 04, 2007 | Sony KP-57HW40 57" Rear Projection...

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