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't 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't 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't do is get rid of any lodged under components. No I would go for bi-carb any time. 73 Brian G3OYU <http://www.g3oyu.co.uk> www.g3oyu.co.uk <http://www.surreyraynet.net> 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@... Lancaster CA band web pages Inquisitor Betrayer http://www.inquisitorbetrayer.com http://www.soundclick.com/bands/7/inquisitorbetrayermusic.htm Angel's Wings http://www.soundclick.com/angelswings New synth programming group for all synths. Synth_Programming-subscribe@yahoogroups.com Recent events require your assistance to your charities. Do give when able. "without music, life would be a mistake" ----- Original Message ----- From: Brian <mailto:briang3oyu@...> Davies To: 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 <http://www.g3oyu.co.uk> www.g3oyu.co.uk <http://www.surreyraynet.net> www.surreyraynet.net SPONSORED LINKS Electric <http://groups.yahoo.com/gads?t=ms&k=Electric+piano&w1=Electric+piano&w2=Ele ctronic+repair&w3=Sampler&w4=Moog+synthesizer&w5=Electro+mechanical&w6=Elect ronic+repair+part&c=6&s=130&.sig=RIoi8jVoiTgfDfA4A8-A3w> piano Electronic <http://groups.yahoo.com/gads?t=ms&k=Electronic+repair&w1=Electric+piano&w2= Electronic+repair&w3=Sampler&w4=Moog+synthesizer&w5=Electro+mechanical&w6=El ectronic+repair+part&c=6&s=130&.sig=MCycqb7Gw74wrjtJgU5SYg> repair Sampler <http://groups.yahoo.com/gads?t=ms&k=Sampler&w1=Electric+piano&w2=Electronic +repair&w3=Sampler&w4=Moog+synthesizer&w5=Electro+mechanical&w6=Electronic+r epair+part&c=6&s=130&.sig=2JrM-vtLHKZypn15ozaYdA> Moog <http://groups.yahoo.com/gads?t=ms&k=Moog+synthesizer&w1=Electric+piano&w2=E lectronic+repair&w3=Sampler&w4=Moog+synthesizer&w5=Electro+mechanical&w6=Ele ctronic+repair+part&c=6&s=130&.sig=gqthRWce1fry8L1dFU5pvw> synthesizer Electro <http://groups.yahoo.com/gads?t=ms&k=Electro+mechanical&w1=Electric+piano&w2 =Electronic+repair&w3=Sampler&w4=Moog+synthesizer&w5=Electro+mechanical&w6=E lectronic+repair+part&c=6&s=130&.sig=zbJ83S-6fu21DsGnEc4KzA> mechanical Electronic <http://groups.yahoo.com/gads?t=ms&k=Electronic+repair+part&w1=Electric+pian o&w2=Electronic+repair&w3=Sampler&w4=Moog+synthesizer&w5=Electro+mechanical& w6=Electronic+repair+part&c=6&s=130&.sig=HUNagfDE1mUMsP08LfcXdQ> repair part _____ YAHOO! GROUPS LINKS * Visit your group "vintagesynthrepair <http://groups.yahoo.com/group/vintagesynthrepair> " on the web. * To unsubscribe from this group, send an email to: vintagesynthrepair-unsubscribe@yahoogroups.com <mailto:vintagesynthrepair-unsubscribe@yahoogroups.com?subject=Unsubscribe> * Your use of Yahoo! Groups is subject to the Yahoo! <http://docs.yahoo.com/info/terms/> Terms of Service. _____
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RE: [vintagesynthrepair] Leaking batteries and cigarette smoke.
2006-02-27 by Brian Davies