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

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Green Flashes - Shuts off

I recently was getting 8 flashing red lights .. telling me that the flyback transformer on the d board was bad. I have since replaced the entire D board with a new one. My problem now is that I can watch tv for 5-10 minutes and then i see some green flashes for a minute or 2 .. then the tv turns off.

If I power it back on immediatly i get another 5-10 minutes then the same thing.

Before I changed the D board I was gettin a simular problem only i would get about 2 minutes then green flashes for about 5-10 seconds and then off. If i turned it right back on I would only get a couple seconds and it would do it again.


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  • Brian Gallant Apr 16, 2008

    what am i looking for when i tap it?


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  • 84 Answers

Sounds like the green picture tube is defective. To confirm you can take the front grille and door off and tap the green tube lightly with something plastic, and not to touch any of the adjustment controls to confirm.

Posted on Apr 13, 2008

  • darcy hicks Apr 19, 2008

    to make the green flash either more or less than before

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1 Answer

My Sony TV shuts down after you get a bright flash of light from the screen. After it shuts down, the red LED light on the front flashes 8 times. What's the problem?


On some projection models of Sony TV sets, this code means that T8005 (flyback transformer), or the associative components in the high voltage circuits are defective on the D board.

Mar 11, 2011 | Sony KP-51WS500 51" Rear Projection...

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Sony 5 projection tv kp-51ws510 no pic, light flashs 8 times


I have the same model TV and have had that same problem (*8 flashes) The FLYBACK TRANSFORMER on the D circut board is the most likely cause and will need replaced) the part is around $70.00 USD!
Please rate my response
THANK YOU!

Jan 22, 2009 | Sony KP-51WS510 51" Rear Projection...

1 Answer

Sony kp51 ws500 red screen, 8 blinks


The 8 blinks is pointing to a bad flyback transformer and may be common with this set. (We have one too.)


High voltage error -- blinks 8 times • T8005 is faulty. (D board)

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Jan 01, 2009 | Sony KP-57HW40 57" Rear Projection...

1 Answer

Picture screen flashes green then the tv shuts off.


have the flyback checked it sounds like its gone bad

Dec 07, 2008 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Sony KP-57WS500


8 times flash shows error in Flay back Transformer on D Board.
Fly back Transformer part number is ... 1-453-285-41 FBT ASSY, NX-4006
It is available at Part Store on $112.00
All above info are based on your question and feedback.
Good luck.

Sep 29, 2008 | Sony KP-57WS500 57" Rear Projection...

1 Answer

No sound or screen


Hi,
8 time flash shows problem with T8005 (flyback transformer, horizontal transistor) in D board. Service manual says ...

High voltage error 8 times • T8005 is faulty. (D board)

bye

Sep 07, 2008 | Sony KP-51HW40 51" Rear Projection...

2 Answers

Sony KP-57WS500


The flyback transformer is defective when the LED flashes 8 times. The FBT is located on the main board(D board).
Location of the part is T8005 and the Sony part number is 1-453-285-41
This part is available from this website.
This type of repair might not be a DIY due to the danger of working with devices that generate high voltages.

Sep 03, 2008 | Sony KP-57WS500 57" Rear Projection...

4 Answers

Green flashes then tv turns off


or a new lamp. you could first replace the lamp.
the screen might work fine for a couple of seconds, but then it fades away or deteriorates. This means the lamp is going bad.

Aug 23, 2008 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Standby flashes 8 times


Flyback is defective on the D board. You can get a new replacement flyback with free instructions at the following link, or they also have the new replacement D board for your model also. Heres the link, just click on the Sony parts category.
http://servicemanuals.vstore.ca/

Aug 10, 2008 | Sony KP-51WS500 51" Rear Projection...

4 Answers

Lamp issues


No its a tube and not a bulb. If thew line is green then theres an issue with the red and blue as the green is stationary on most sets unless thers a green centering ? Its a componet on the convergence board thats bad or going bad but if you replace any components on the board most likly your gonna need to do a convergence alighnment I would let a pro handle this repair unless your an experineced repair tech Good Luck

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