Question about Sony KP-51WS500 51" Rear Projection Television

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Green flashes and shutting off

About 6 months ago we had the green lines. I adjusted the screw like many forums mentioned. Now after the tv has been on about an hour the green will flash and after a few flashes the tv will turn itself off. The flashes happened sporatically at first, now much more frequently.

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  • sewillia Dec 21, 2007

    I have the same problem,however, I am getting blue flashes and shutting off problem. No one seems to have a replacement part. My tv is only 4 years old and none of the projection tubes are available by sony.

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I went to the Sony web site and there is a recall i believe for that problem. The one year warrenty was extended to an additional three years for that.

Posted on Dec 15, 2007

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Sony TV Model No. KP51WS500 flashes green & turns off


yes u will have to get a expert in but here is a guide to help your tv is going into protect mode if the screen is flashing green with white lines in it its likely that the green tube is faulty this is very expensive & u my want to purchase something else.

Apr 08, 2010 | Sony KP-51WS500 51" Rear Projection...

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The power comes on and then turns off and the front green power light blinks.


There is a small IC in the power supply section,
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Jan 06, 2010 | Philips 32PT6441/37 32" TV

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I have a 51HW40 sony TV. A few problems green horizontal retrace that curves flashes green and turns off (about 2 times a month) I wait turn it back on and its fine Codes that have been tripped: 6: Low b ...


Hello: Have you tried to adjust you Green Screen control on the focus block assembly. located behind the front panel assembly. Here is a solution that might help you, turn off the green by turning off this control, make sure u look at the block and make sure you are not turning the green focus knob instead of scrn crl. Turning the control slowly to the left the retrace lines should disappear as the green video darkens. Then turn the control slowly to the right just until the retrace lines reappear, then turn back slowly left just until the lines go away. If the screen is Blanking on green tube only then you have a video blanking problem on the main signal board. Or possibly a IK bias problem. It is also possible that the green CRT is defective. The FBT is not bad because the screens are lighting up indicating you have high voltageand heater voltage which is derived from one of the secondary windings of the FB. If it is a Blanking problem i would look into replacing the A Board assembly.

Sep 25, 2009 | Sony KP-51HW40 51" Rear Projection...

2 Answers

Sony KP-51WS510


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Sep 05, 2008 | Sony KP-51WS510 51" Rear Projection...

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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

TV Problem with shutting off by itself


Mine just did the same thing.  Except for it was green instead of blue.  The service manual states 8 flashes from the light stands for an overvoltage.  After reading the manual for a bit I realized the bottom row of 3 adjuster screws from behind the speaker grill adjust the output for the red, green, and blue colors.  BEFORE OPENING ANY TV OR MONITOR PLEASE KNOW THAT THE VOLTAGE INSIDE CAN KILL YOU EVEN IF UN-PLUGGED so please be careful and only adjust what is mentioned here.  I un-plugged the tv, removed the grill and the board covering the internals, and carefully turned the 3 adjustment screws all the way down.  I then waited about 10 minutes (don't know if this made a difference).  I turned on the tv, turned the channel to an auxilary input (for a black screen), and slowly raised each of the 3 bottom screws one by one up clockwise until i could see a faint green, blue, or red line (depending on the screw), and then turned each one back a hair until the screen was black again.  Only adjust one at a time, the order for colors are blue, green, then red from the left.  I hope this fixes your problems.  Be careful when working inside a tv,  I suggest not using a screw driver to adjust the screws due to the possibility of it slipping and someone getting hurt.

Sep 16, 2007 | Sony KP-51WS500 51" Rear Projection...

9 Answers

Green flashes then tv turns off


OMG! My TV has been sitting in a closet for the last three years because I couldn't afford to have it fixed.  I have googled now and then trying to find a cure for its green affliction but never found the right advice until tonight. I can't thank J19666566666 enough!!  I just followed the instructions and presto!  Working TV again! And just in time for the Oscars (which is like the Super Bowl for me).  
The editor in me tweaked the instructions a little...
Its is real easy to fix. There are 2 screws holding the front speaker cover on near the bottom corners (there are plastic plugs covering the screws that need to come out first). Unscrew and remove the speaker cover (pull it out from the bottom a little then sort of down and out to get it loose but be careful because there are wires attached). Next remove the 4 screws holding the particle board panel in place. There will be a cluster of 6 adjustment nobs with a drop of white paint on each one (2 rows of 3 - do not touch the top row). The green is controlled by the bottom middle screw, Using a screwdriver turn it counter clockwise (to the left) ever so slightly (1-3mm) and there you have your TV back. Use the bottom right screw to adjust the red and bottom left screw for blue. 
Thanks again so much!

Jan 08, 2007 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Green horizontal lines across screen


try adjusting the green screen control. remove the front bottom panel of the tv by removing any screws holding it in place. gently pull of the front panel, there are gromets holding it in place, you will be able to gently remove the front, just make sure you get all those screws. now reove the small wodden or plastioc panel. now you will see the screen/focus assy. check to see of the screen controls are the top 3 or bottom 3. adjusted the center screen it's the green one, the other 2 are the red & blue. it is best to adjust in a dark room where the lines will show up easier. good luck

Dec 19, 2006 | Hitachi 43FDX01B TV

1 Answer

Problems with green arching lines


yes there is a small black box with 6 controls on it, take off the bottom front of the tv, behind that you should find a black piece of plastic you can remove by taking out 2 more screws. the black box should be in the upper rhs.now i don't remember if the top 3 are the screen controls or the focus controls. the rows should be labled, you are looking for the screen control row. the green control is the middle one. you can try turning down the control till you no longer see the green lines. try adjusting in a dark room, it will be easier to see the lines & when they are gone. if you problem is not solved by trying this, then i agree with your tech & the green tube is bad. good luck.

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