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

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Sony KP-57HW40 Over the past 6 months we have noticed that when we turn the set on it has light green and red lines running horz. across the screen about every 3". Over 15 minutes the picture becomes reder and reder and then the set shuts off. It is now at a point where it only takes about 10 minutes to shut down. We have tried adjusting color and nothing seems to help. The set was manu. 6/2002 and i purchased it new.

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Have a Tech. replace the focus/screen block if the problem continues you have a bad red CRT.

Posted on Sep 21, 2007

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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.

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

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I own a KP-57HW40 set that has a color and shut off issue. Started as a green tinge problem to the screen after watching for a few hours. Started becoming more and more frequent a couple months ago....


IF YOU HAVE A RA 6 CHASSI THE TUBES RUN HOT ANOID CATHOD SHORT IF YOU TAP ON THE NECK OF THE TUBES AND GOES TO SOLID COLOR THEN SHUTS OFF YOU HAVE TO REPLACE THAT TUBE ALL 3 TUBES WILL HAVE THIS PROBLEM

Feb 09, 2010 | Sony KP-57HW40 57" Rear Projection...

1 Answer

I BOUGHT A KP-57HW40 SONY AND ALL I CAN SEE IS A


Try this....

http://www.somelifeblog.com/2007/06/sony-projection-tv-red-line-repair.html

These sets have weak picture tubes, this may buy you some time. It is not worth changing the tubes in the set. The cost would be more then its worth. Try these adjustments until it completely dies. I have the same set.

Apr 21, 2009 | Sony KP-51WS500 51" Rear Projection...

1 Answer

Red Bowed Lines / Red Hue


I tried the solution that was posted for this problem and it worked!
Just remove the Low front panel by removing the two bottom screws that are covered by two screw covers, then remove the second panel (black) by removing the 4 screws then you'll notice a module with 6 adjustment knobs, get a small screw driver, and with the t.v. on, being carefull , and with somebody accross the room looking at the screen begin with the lower left knob and turn left very slowly and ask the person across the room to let you know if the screen is better or not, after this I had to adjust the green as well so, I adjusted the next knob over to the left. Do this adjustment carefully and try to remenber the original position of the knobs in case you have to go back.f
Good Luck,
Californian.

Jun 03, 2008 | Sony KP-57HW40 57" Rear Projection...

1 Answer

Sony KP-57HW40 57 in. Green Circles


well just remember the in the electrical industry its not 100 percent all of the time. you might just want to buy a new one.

Apr 05, 2008 | Sony KP-57HW40 57" Rear Projection...

1 Answer

SONY KP-57HW40 TUNS OFF AND STANDBY LIGHT BLINKS 6 TIMES


6 blinks is usually associated with failure of the horizontal deflection amplifier - which shuts down the high voltage system as well.

The repair requires testing to determine the exact parts that have failed. There are, for example, a few hundred parts and a section of the Jungle IC chip involved. So, repairs could require something as simple as replacing some inexpensive passive components OR as complicated as replacing the jungle chip (very expensive).

most of the time it's the horz. transformer and transistor.

Dec 20, 2007 | Sony KP-57HW40 57" Rear Projection...

2 Answers

Sony KP-57HW40 Error Codes 6 & 8


ITS PROBABLY THE RED PICTURE TUB (CRT). IT LOOKS EASY TO INSTALL, BUT YOU NEED TO MAKE ADJUSTMENTS TO THE SCREEN ONCE IT IS INSTALLED. THE PART IS $3OO. TRY TO FIND SOMEONE TO INSTALL IT FOR $150 OR LESS. HERE IS A WEBSITE TO HELP YOU MAKE ADJUSTMENT IN THE FUTURE ON YOU OWN.

PRIDAH


http://www.somelifeblog.com/2007/06/sony-projection-tv-red-line-repair.html

Nov 10, 2007 | Sony KP-57WS500 57" Rear Projection...

1 Answer

SONY KP-57HW40


you are experiencing one or more of three things
1.the crt itself is damaged
2. the vertical ic on blue crt board is bad
3. the focus block is bad
if you hire a sony authorized technician they should be well aware of this problem.

Oct 22, 2007 | Sony KP-57HW40 57" Rear Projection...

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