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Wires going to flyback transfomer

I have a sony kv36fs120 tv. I am trying to replace the main board but cannot get the wires out from the flyback. Can someone please help me

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  • Robert Graf
    Robert Graf Jan 25, 2009

    ok i understand but my problem is that i didnt get wires that go with the new flyback and this is why i wanted to remove the old ones from the flyback so i can use them. should they have provided the wires for me?

  • Robert Graf
    Robert Graf Jan 26, 2009

    I got my board from sony direct and called them back. They are sending me a kit for about 35 dollars so i can install my board.

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  • 47 Answers

Wires going into the flyback are not removable but are integral to the flyback. The three wires comming out the flyback are the thick red one (anode button) which attaches to the tube is removed by pinching the button to release the clips on the tube. The other wire probably white is removed by unsoldering it from the small board on the neck of the tube and the 3rd and last wire is probably black, this is the one you may have your issue. To remove this wire, you must disassemble the tube socket..look for two tabs..pry open gently and seperate. Then with a small jewelers you'll be able to release the black wire..hope this helps.

Posted on Jan 25, 2009

  • GSampaia Jan 26, 2009

    Wow....Yes your replacement flyback should have 3 wires comming out of it that are part of the flyback...May I ask, where did you get this replacement board/flyback, can you tell if the wires were cutoff. I would call and let them know that the wires are missing. Sorry for additional questions, but have been repairing tv's for over 30yrs. and have never experienced missing flyback wires...have certainly seen them cut. Some Flybacks for Projection type tvs have removeable wires....but your tv is a crt/tube type which should have the three wires as discussed. Good Luck

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Posted on Jan 02, 2017

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Shuttle83
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SOURCE: Picture weak and stays on only a few seconds.

Hello tellis356,

He replaced the Integrated High Voltage Transformer (IHVT) (I so hate the term flyback even though it is descriptive of the function of the component). However he may have only solved part of the problem. My next question is did he perform a diagnostic on the CRT (picture tube)? It may well be the CRT, but I would first suggest that you have the repairman check the voltage and signal levels in the horizontal section of the TV and check the video signal and voltage levels at the output of the Video processor to the CRT socket board. Then after these are tested and proven to be within specifications, then run a diagnostic on the CRT using a CRT test set. This way he'll know for sure if the problem is in the circuitry or the CRT.

I am suspecting that the first trouble you experienced was the set was completely out? If so that is why he may have replaced the IHVT. He should have also replaced the Horizontal Output Transistor because it is in series with the IHVT and would have taken some of the damage that the IHVT would have sustained. So having him check that too would not be out of sorts.


I hope this helps,

Thank you,

Shuttle83

Posted on Nov 22, 2008

FaceTheFacts
  • 245 Answers

SOURCE: The stand by timer light

You have a bad MCZ. Try taking a blow dryer to the right side of the TV to see if this fixes the problem.
http://cgi.ebay.com/LOT-2-MCZ3001DB-IC-SOCKET-MCZ3001D-670581001-/220499156868?pt=LH_DefaultDomain_0&hash=item3356c61f84#ht_1871wt_1020
You will have to find these and replace them both on the board to the most left of the T.V. There are two of them. The one closest to the back of the T.V. is probably the problem.

Posted on Jun 20, 2011

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