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Panasonic PT-51DX80A Flyback

Do you know where I can find a replacement flyback or a sub for KFT7AQ228F.
Please help if you can and thanks for your time I need one badly and vance baldwin along with parts store do not carry them anymore.


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You should be able to get one at the following link.
https://www.ued.net/ued/addItems.do?itemCode=MSCKFT7AQ228F

Posted on Nov 30, 2008

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the large red wire coming from the Flyback transformer going to the HV splitter can cause that error if its not locked in properly either at the Flyback or splitter. I would check them. were they disconnected when you replaced the capacitors.

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The only problem with it is that there is a curved line on the bottom third of the screen


Thi is the electronic component equivalent of the Flyback transformer failing. It is not a DIYir c quick board change type of operation.
Please rate my help++++Thanks for using FIXYA

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Hello oncle_jc,

You may have a problem with your flyback transformer, I would suggest that you perform a ring test to see if any of your windings on the flyback are shorted. In addition You may want to also check the input to the Horizontal Output Transistor, to see if the driver pulses are of the proper amplitude. Besides these two things the only other issue colud the the high voltage trippler (if this is not part of the flyback). Check these things, you will need the following equipment:

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3) High Voltage probe

4) A test set that can perform a ring test (My shop uses the Sencore LC102)

Or what you can do is take the flyback out and take it to a TV shop and for a small fee they can run the test for you, (My shop usually charges $20.00 - $30.00 for this

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http://www.electron-age-technologies-llc.com

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The small wires are disconnected at the focus and screen control block, and the large HV cable is disconnected from the HV splitter.you may have to reuse the large red wire if the new flyback doesnt have the HV lead attached. The Hot is the horizontal output transistor its mounted to a aluminum heat sink near the flyback.

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Thats the error code for a bad flyback. Its a very easy an ixspensive repair. You can get a new replacement flyback at the following link for under 50.00 and free tech support so you can install it yourself. here is the link you need flyback 265409 for your model.
http://servicemanuals.vstore.ca/

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you will need the flyback as thats way to low. The HV splitter will only direct the HV to each of the CRTs it doesnt change or regulate the HV in any way just directs (splits) it. Let me know if you need any more assistance.

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Sounds like it could be a flyback problem. Are the ends of the picture tubes lit? Do you have audio and or onscreen menues?

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I replaced the bad capacitor and now!?


Are you sure the flyback was clicking? Usually it arc's inside or externally to metal chassis. There is a relay that clicks on & off , which could be what you are hearing. Your bad cap, is it in the power supply or near the flyback? A regulator is more of a possibility than the flyback.

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