From: liz@poppyrecords.invalid.invalid
Tobiah wrote:
> I'm not the sharpest tool in the shed, but this is embarrassing.
> I opened the thing up, and wanted to go with the power jack idea.
> I thought maybe there was a stuck switch inside that blocked battery
> power when the adapter was plugged in. I thought I'd remembered
> seeing such a thing.
>
> Tunnel vision engaged, I spent way too much time trying to get the
> amp board removed. I think the RCA plugs were holding it tight.
> They seemed to have a metal flange on the outside of the plastic.
>
> I never did get the board out, so I never got a good look at the
> jack, but I could at least see that the solder connections were
> not broken.
>
> Tired and dejected, I buttoned up the machine and set it aside.
>
> But do you think I'd hung a voltmeter on the battery compartment?
> No way. Today I did better. I removed the battery tray and checked
> the voltage coming out of it. Nada. It looked pristine. I had spun
> all the batteries and all the contacts were clean. Tracing it down,
> there was one positive pad that wasn't conducting. I mean I scraped
> it with the voltmeter probe, and go nothing.
>
> So I took a Dremel tool, and burnished the contacts. Of course
> now the machine works fine again.
>
> The only thing that worries me is that the contacts went from silver to
> gold color. Would that be copper? Will I have the same problem in
> short order having exposed the copper? Should I tin them?
Too late to help you now, but the corrosion from alkaline batteries
comes off easily when wiped with a cloth dampened with water.
Mechanically it is hard as nails and resistant to all sorts of
specialised cleaning solvents, but it dissolves in water.
--
~ Liz Tuddenham ~
(Remove the ".invalid"s and add ".co.uk" to reply)
www.poppyrecords.co.uk
--- SoupGate-Win32 v1.05
* Origin: you cannot sedate... all the things you hate (1:229/2)
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