RE: Calling any electronics wizzards!

["Rob Mouser" <rmouser@xxxxxxx>]

Sorry Keith should have thought of that!

The unit is still "working" in that the IR receivers little green
light
blinks to show a received signal and the red led on the block flashes to
say its received an IR signal but it appears to send nothing out :-(

Rob

-----Original Message-----
From: Keith Doxey [mailto:ukha@xxxxxxx]
Sent: 14 September 2003 11:11
To: ukha_d@xxxxxxx
Subject: RE: [ukha_d] Calling any electronics wizzards!

Hi Rob,

A link to the picture would have made it easier to find!!!

Its just a smoothing capacitor on the power input by the looks of
things.
Easy enough to replace but you need to know why it popped in the first
place.

electrolytic capacitors usually pop because they have been connected the
wrong way round. Was the kit working before it went pop or not ?

If it was, there is a possibility that the capacitor was fitted the
wrong
way round, if it wasnt working then the power supply polarity could be
wrong.

If the power was connected the wrong way round then its is highly likely
that other parts may have been damaged.

Keith

www.diyha.co.uk
www.kat5.tv


> -----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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[Non-text portions of this message have been removed]



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