>
> Hi Dale
>
> Given the suggested mixture the bi-carb solution is only very weakly
> alkaline. I think you need to discover exactly what is in the battery
> before deciding arbitrarily that it isn\ufffdt acid, albeit only very
> weakly so.
>
> Further my considerable experience suggests that PCBs today and in the
> foreseeable past, are not the delicate instruments you may think. Over
> the years I have had to restore to working order many hundreds of
> equipment, not only keyboard electronics but other much more so called
> delicate instruments, what with the problems of static on CMOS chips
> and surface mount devices. I have had to clean up PCBs that have been
> covered with a thick layer of dirt and dust, others that have soft
> drinks like coke and lemonade dropped over them, one even that had
> whiskey poured through the ventilation holes and this was a high spec
> oscilloscope. All survived the water treatment and drying out under
> gentle heat, I don\ufffdt recall even one failure through dunking in water.
>
> If this specific case of battery leakage is either alkaline or acid
> then distilled water is not going to neutralize it, it may wash off
> what you can see, but what it won\ufffdt do is get rid of any lodged under
> components. No I would go for bi-carb any time.
>
> **73**
>
> **Brian G3OYU**
>
> **www.g3oyu.co.uk** <http://www.g3oyu.co.uk>
>
> **www.surreyraynet.net** <http://www.surreyraynet.net>
>
> ------------------------------------------------------------------------
>
> *From:* vintagesynthrepair@yahoogroups.com
> [mailto:vintagesynthrepair@yahoogroups.com] *On Behalf Of *Dale Kay
> (Inquisitor Betrayer)
> *Sent:* Monday, 27 February 2006 20:53
> *To:* vintagesynthrepair@yahoogroups.com
> *Subject:* Re: [vintagesynthrepair] Leaking batteries and cigarette smoke.
>
> not really, only that one of the solutions is more or less alkaline
> than the other...
>
> not necessary acid... and or other reactions taking place...
>
> use caution...
>
> depending on how well you can handle the board, maybe a little
> distilled water is called for with a light scrub...
>
> after all, this isn't a car battery here in a old truck... it's a
> delicate instrument that someone wants to restore to use again...
>
> dale
> dale@... <mailto:dale@...>
> Lancaster CA
>
> band web pages
> Inquisitor Betrayer
> http://www.inquisitorbetrayer.com
> http://www.soundclick.com/bands/7/inquisitorbetrayermusic.htm
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>
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>
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> able.
> "without music, life would be a mistake"
>
> ----- Original Message -----
>
> *From:* Brian Davies <mailto:briang3oyu@...>
>
> *To:* vintagesynthrepair@yahoogroups.com
> <mailto:vintagesynthrepair@yahoogroups.com>
>
> *Sent:* Monday, February 27, 2006 12:35 PM
>
> *Subject:* RE: [vintagesynthrepair] Leaking batteries and
> cigarette smoke.
>
> Yes many times over the past 50 years as a service engineer,
> including computer multilayer boards. Proof that there is some
> acid content is the fact that the liquid bubbles as it neutralizes.
>
> **73**
>
> **Brian G3OYU**
>
> **www.g3oyu.co.uk** <http://www.g3oyu.co.uk>
>
> **www.surreyraynet.net** <http://www.surreyraynet.net>
>
>