Vintage Synth Repair

Hi Mark

 

I can help with the battery problem.  Clean up with a solution of
bicarbonate of soda.  Mix a couple of teaspoons full in a tumbler of warm
water.  Brush this around the affected area with on old toothbrush - or a
new one if you don't have an old one!  Then wash off with warm water.  Place
the PCB and any item that is now wet on a radiator or on top of a boiler
over night.  This treatment will neutralize the acid of the batteries.

 

With regard to the nicotine I guess warm soapy water would be OK, similar to
above.

 

73

Brian G3OYU

 <http://www.g3oyu.co.uk> www.g3oyu.co.uk

 <http://www.surreyraynet.net> www.surreyraynet.net

 

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From: vintagesynthrepair@yahoogroups.com
[mailto:vintagesynthrepair@yahoogroups.com] On Behalf Of mark_r_abcd
Sent: Monday, 27 February 2006 19:31
To: vintagesynthrepair@yahoogroups.com
Subject: [vintagesynthrepair] Leaking batteries and cigarette smoke.

 

Hi all.

I've taken on the repair of a Korg Poly 800 Mk1, but I think it might
be a bit of a challenge!

First and most obvious problem is that a set of batteries has leaked
into it at some time in the past. There's corrosion on the PCB, some
of the IC pins and some of the keyboard metalwork. Does anyone have
any suggestions for how to go about cleaning it up, or will the damage
be too far gone?

Supposing I get it to work, the next problem is that a previous owner
has been a smoker - the keys are stained and it stinks of smoke. Again,
any recommendations for cleaning it up?

Cheers

Mark






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