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

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KP-57HW40 problem i have wavey lines across the screen always. sometimes the screen will go blueish and than shut off

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· http://esupport.sony.com/perl/news-item.pl?news_id=24
· Which models are affected with the "flicker" problem?
A1: There are 12 models in total: KDP57XBR2, KDP65XBR2, KP46WT500, KP51HW40, KP51WS500, KP57HW40, KP57WS500, KP57WV600, KP57WV700, KP65WS500, KP65WV600 and KP65WV700.

Posted on Jan 14, 2008

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Posted on Jan 02, 2017

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Have Sony Model# KP-57HW40 Big screen rear projection tv..Has blue wavy lines across screen, and sometimes flashes blue, can you give me assistance??


Blue Picture Tube , bad Video IC on Blue CRT board.Or Blue screen drive control to tube needs to be adjusted down some.

Most Likely Bad Tube!

Jul 12, 2010 | Sony KP-57HW40 57" Rear Projection...

1 Answer

Sony KP 57HW40, blue flashes and sometimes shuts off


can you solder? there may just be some dry solder joints and or caps and a voltage regulator that are causing this.
otherwise you are looking at a $400 or so repair!

Jan 11, 2009 | Sony KP-57HW40 57" Rear Projection...

1 Answer

Sony KP 57HW40 Blue screen and then shut down


The tv shutting off can be explained by some kind of protection circuitry turning the set off.. This can be due to a variety of reasons most common reason being overheating.

Nov 21, 2008 | Sony KP-57HW40 57" Rear Projection...

1 Answer

My screen just started flashing with red lines something happening to mine, model kp-57hw40


Many of these older Sonys can be repaired by simply reseting the white balance. I can give this anwser if you still need this.

Aug 19, 2008 | Sony KP-57HW40 57" Rear Projection...

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

KP-57HW40 w/ 8 Blinks


8 times, Diagnosis: High voltage error. Possible cause: T8005 is faulty. (D board)

Dec 23, 2007 | Sony KP-57HW40 57" Rear Projection...

1 Answer

Sony KP-57HW40


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

Sep 21, 2007 | Sony KP-57WS500 57" Rear Projection...

3 Answers

SONY KP57WV600-Turns Blue


yes ,it sounds like screen adjustment or focus block, should be around $200- $325 to repair.

Sep 08, 2007 | Sony KP-57HW40 57" Rear Projection...

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