Re: Amplifone question

>From what I remember when I took apart an MCU out of curiosity. It only contains
three inductors in this configuration...

            |-------888888888--------------------|
  ----------| |----------------
            |------888888888---------888888888---|

Im not sure why you couldn't just replace this with one equavalent inductor but
Im guessing that there is some sort of interplay between the three?

Matt Rossiter wrote:
>
> I got another Amplifone monitor working today. It was looking really
> good and I was very happy with it. Unfortunately, while I was adjusting
> the brightness the picture all of a sudden went blank and then the 7824
> regulator blew up with a big bang. I replaced the 7824 and it fried
> again. I'm pretty sure it's that stupid mystery can because I've had
> this problem before. I checked some of the components in the
> overvoltage protection circuit.
>
> I just have a few basic questions.
>
> 1) Is it common for the magnetic correction can to go bad.
> 2) Is there a way of testing it to verify that it's bad. Would it be
> stupid to do a simple ohm test to verify there's no short?
> 3) Is there any hope of being able to get the part replaced without
> pulling it off another HV board?
>
> Thanks.
>
> Matt
>
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-- 
later,
  jess
***** I have a new email address... jess@askey.org *****
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