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Grundig ST-80-896 eht replaced but still arcing

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It is arcing where---at the anode connection on the bell of the picture tube? If there and the transformer has been replaced it burned a carbon path that you should be able to see.

Posted on Dec 07, 2012

  • Michael Ellul Dec 08, 2012

    The arcing was from transformer ferrite to adjacent componenets and even from transformer plastic moulding.Problem traced to bad high tension lead inserted in transformer.Removed ,cut a fresh piece and reinserted.

  • SD Tech
    SD Tech Dec 08, 2012

    If that worked you are lucky---many of the transformers (We call them Flybacks) the wire is permanently attached.

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Sounds like EHT cap arcing occurs. Contact any service technician. This is a repairable fault, by replacing the rubber boot of the EHT cord.
If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/

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BUT PLEASE BE CAREFULL, THERE IS EXTREMLY HIGH VOLTAGES IN THERE IN THE KV RANGE.

SO UNLESS YOU KNOW WHAT YOU ARE DOING , TAKE IT TO A SHOP.

I WILL NOT BE HELD RESPONSIBLE, IF YOU KILL YOURSELF.

If I have help then please rate me.

GOOD LUCK.

Regards - Anthony

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