RE: Calling any electronics wizzards!

["Ian Davidson" <ian@xxxxxxx>]

Hi Rob

The blue thingy is a Capacitor. Yes it can be replaced, if it has leaked
remove it from the board and make sure you clean off all the goo. It is
a common part available from the usual RS, Farnell, Cpc and *raplins.
Get the same spec and same type of mounting and pin spacing. If you can
not get the same voltage you can go higher but not lower.

Do not know the unit at all but I'm guessing the capacitor is just used
as smoothing for the supply volts. If it is then hopefully no other
damage, the way it has gone suggests that it was just its time !

If it went short as it blew it may have taken some sort of fuse with it,
again not knowing the unit can not really say anymore other that fuses
these days do not all look like the ones you find in plugs!

Hope that helps a little Rob

Ian D


> -----Original Message-----
> From: Rob Mouser [mailto:rmouser@xxxxxxx]
> Sent: 14 September 2003 10:48
> To: Ukha
> Subject: [ukha_d] Calling any electronics wizzards!
>
> A friend of mine has a basic Xantech set up. 2 receivers and 4
emitters
> linked through the Xantech amplified block 791-44. The problem is that
> his block went ....fiz, bang...for no apparent reason.
> I checked his PSU (regulated 12v 100ma.) with a volt meter (About the
> extent of my electronics skills.!!!) and it outputs 12v no problem.
> On closer inspection there is a large blue "thingy" on the
board that
> appears to be weeping "goooo". As I have absolutely no clue
as to what
> it is I have taken a picture which I've posted to the files area!
> Is it dead for ever? Can I replace the blue thingy? Would anything
else
> be wrong?
> The numbers on the blue thingy are 470uf, 16v, + or - 20%.
>
> Many thanks in advance.
>
> Rob
>
>
> [Non-text portions of this message have been removed]
>
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