No worries...my replies tend to be a bit short on the iPhone (and helpfully misspelled too!). After taking another look at the pics, it looks like Greg nailed it...some kind of goop-du-jour that was thought to have magical contact cleaning properties. That said, I can neither recall nor imagine what that product would have been. The MS stuff you mention looks like it might work for cleaning it up. For my part, I use very few chemicals around the shop. Isopropyl alcohol is about the strongest solvent I use, and so far, it's been fine for anything I've come across.
Best,
Ike

On 11-05-15 10:13 AM, Andrew Hamilton wrote:
Thanks for clarifying (\;, Ike. However, I have made no objection to starting with water, nor have I indicated that a solvent should be used firstly. (Just saying...) Now, under the heading, flux remover, are cleaners, degreasers, and such. Miller-Stevenson make a variety of solvent and grease removers under this heading. The goop on Pete’s board looks pretty thick from here. By the way, I love the McGruber bent toothbrush idea... Takes me back to my time “on ice,” when shanks were the only way to get a point across. 0:

(This is something like what I had in mind...)

Vertrel® SMT Heavy Duty Solvent & Flux Remover
Removes Organic Flux, Ionic Salts, Oils and Greases
MS-755 (16oz Aerosol)
MS-755M (8oz Aerosol)
MS-757 (4oz, 8oz, Qt, Gal, 5G, 55G)
A nonflammable, heavy duty solvent flux remover ideally suited for ionic salts and flux residues from electronic assemblies. Can also be used for precision and general industrial cleaning where enhanced solvency is required to remove heavy soils, such as mineral oil, vacuum fluids, wax and heavy grease. Vertrel® SMT is an azeotrope-like blend of Vertrel® XF with trans-1,2-dichloroethylene and methanol. It can replace trichloroethane, trichloroethylene and hydrochlorofluorocarbon (HCFC) fluids in many applications. No ODC (ozone depleting chemicals).




Cheers,
Andrew






On 5/14/11 9:52 PM, "Ike" <[email protected]> wrote:

    No! The reason far starting a clean up like this one with water is
    to find out if the goop is water soluble. If it is, then water is
    the best choice to clean it up. If it isn't, water won't do
    anything with it, but no harm done. If you start with a solvent,
    a) it may not work on water based goop and b) you could be on your
    way to creating an even more destructive chemical soup (just
    finished watching Batman...). Flux remover Is extremely nasty and
    I seriously doubt that could be flux on the board. Are we all so
    far from our bachelor days that no one can remember what happens
    to food or beverages when left on a surface for really long
    periods of time undisturbed?
    Best
    Ike

    Ike Zimbel
    Zimbel Audio Ltd
    416-720-0887
    www.zimbelaudio.com <http://www.zimbelaudio.com>
    Sent from my iPhone

    On 2011-05-14, at 8:16 PM, Andrew Hamilton <[email protected]>
    wrote:

        How about using flux reomover?




        Andrew




        On May 14, 2011, at 3:59 PM, Greg Norman wrote:

            It looks like someone sprayed a wonder solution all over
            those, and it broke down over the years. I agree with
            others in replacing your connectors. Good luck.


            Greg Norman
            Electrical Audio Recording
            773.539.2555
            www.electrical.com <http://www.electrical.com>






            On May 13, 2011, at 10:14 PM, pete wrote:

                hey all -
                so i'm restoring an older series 3c here and after
                taking out all the modules, i'm finding that the
                backplane has this greasy gunk over some sections.
                (see photos). anyone ever see anything like this in
                older gear? is this some lube or cleaning agent that
                has transformed into goo after years? i'm cleaning
                this out with q-tips, but it's in the molex connectors
                as well (i'm assuming)... what's the best bet to clean
                this out thoroughly? Caig?

                thanks all...
                -pete

                <cleaning1.JPG>
                <cleaning2.JPG>






--
[email protected]
www.serifsound.com


--
Ike Zimbel,
Zimbel Audio Productions Ltd.
Toronto
416-720-0887

"Studio House Calls". Authorized Warranty service for Allen&  Heath, Clear-Com, 
Drawmer, Soundcraft, SPL and Yamaha. Repairs and upgrades to analog audio equipment 
including: AMEK, dbx, Neve, Neotek, MCI, Soundcraft and more. Ask about our RF frequency 
co-ordination services!
www.zimbelaudio.com

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