Re: Vertical Hold problem

From: macmoni <macmoni_at_email.domain.hidden>
Date: Wed, 31 Aug 2005 08:05:24 +0200

Hi once again,

> found was a bad solder connection on the adjusting pots mounted on the
> board that the flyback transformer is on.
The flyback coil is NOT mounted on the analog-video-board. You can see the flyback, when looking from top of the opened Lisa besite the tube and down on the bottom of the case cou can see a black flyback coil approx 3 fingers diameter (or 5cm or 2 inch), with (if I remember right) 6 cables in and one thick brown or red cable out, which is going to a rubberred connector at the top reverse side of the tube. This connection is under high-voltage !!!

Despite of that, the analog-video-board behind the tube has a coil, too. But it's not the flyback. It's a serial connected coil to the deflection unit of the tube.

greetings TOM from Bavaria

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Received on 2005-08-31 08:27:57