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

2 Answers

KP-57HW40 Flyback Removal & Replacement

Okay, so I have a rear projection tv and it's flyback transformer is going bad. I know these things are dangerous and can easily kill a person. So before I go trying to take it out I was hoping someone could share thier knowledge of safety when removing these. It's amazing how little info I could find on the net about safety. I'm also curious on how the red wires are removed from the flyback. I know they don't just pull out, at least not easily. The flyback is Sony part number 145328521. Any help or a complete walkthru on what to do and what not to do would be greatly appreciated. This is a great HiDef TV and there is no reason for it to go to the dump for a part that will cost me $70 just because the repair man wants $400 to do the repair.

Thanks in advance for your help.

Posted by on

  • myanez28 Sep 30, 2008

    I have the same tv and the same problem. Please notify me when you can offer a walk through tutorial in removing the fly back transformer.



    Regards,

    myanez28@yahoo.com

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USE A INSULATED SCREWDRIVER (RUBBER HANDLE) RUBBER GLOVES WILL HELP ELIMINATE SHOCK

Posted on Dec 07, 2008

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Yes its dangerous because of its high voltage, but you can remove it yourself, just unplugged the power cord, then get a screw driver insert it to the high caps connected in the flyback its color red push the pin inside and pull it off be sure not to touch the metal part of your screw driver, then thats the time to unsolder it...

Posted on Aug 01, 2008

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1 Answer

I have a Sony kp-51ws500 that shuts off and blinks 8 times, I'v read that some other people have had the same thing and it was the flyback transformer. Now my tv has just a green screen with no pi


No, the set is prone among other things to issues with the three picture tubes, go to unused video input----screen should be black with only the input label displayed-----in your case with Green screen and or slight diagonal trace lines (if there) the Green screen control itself needs to be adjusted slightly down.

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Replace the Flyback transformer your correct flyback which is used in the WS510 and WT510 models is available at the following link.
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The 8 blinks is pointing to a bad flyback transformer and may be common with this set. (We have one too.)


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

1 Answer

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IT MAY BE YOUR FLYBACK LOCATED ON THE D BOARD COST AROUND 70.00 FROM SONY PARTS #145328521

Nov 01, 2008 | Sony KP-57HW40 57" Rear Projection...

2 Answers

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TRY REPLACING THE FLYBACK ON d BOARD (AROUND $70.00 FROM SONY) THIS WILL FIX THIS MOST COMMON PROBLEM ON THIS MODEL

Oct 25, 2008 | Sony KP-57HW40 57" Rear Projection...

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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

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Could possible have a bad Red CRT or

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1 Answer

Sony Big Screen Tv


Your flyback transformer is probably bad. It will need to be replaced. You could also try adjusting the voltages to the crts from the flyback. There is a set of 6 screw like pot knobs just behind the speaker grill. The bottom three knobs are the ones you want to adjust. Do it very very slowly as it shouldn't take much to correct the problem.

Jun 10, 2008 | Sony KP-51HW40 51" Rear Projection...

1 Answer

Please Help


no its not the speakers, i think it is the flyback transformer that is arcing.

Jun 06, 2008 | Sony KP-57HW40 57" Rear Projection...

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