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Subject: Re: Part on my JBS which shouldn't be there! 8-?

Re: Part on my JBS which shouldn't be there! 8-?

From: Linus Nielsen Feltzing <linus_at_haxx.se>
Date: 2005-04-13

Markus Grebenstein wrote:
>
> Hi guys,
>
> my JBS 20 still doesn't work so I looked around at your wonderful pages
> and found that the part whoch is blown on my JBS shouldn't be there! It
> doesn't exist in the JBS schematics nor is it listed in the player
> column on the Datasheet list! It's the Fairchild MC34063A DC- DC
> converter.

Ah. So newer studios have the 34063 as well... I have corrected the data
sheet table.

> So can my JBS run without it? Can i bypass somewhere and run
> it without that strange charging circuit?

No, you can't run without it. Not easily anyway. Better replace it.

Linus
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Received on Wed Apr 13 07:21:01 2005


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