[sdiy] Solder won't stick to old PCB

[cheater cheater]

Can this be because of ROHS? (i don't know)

D.

On Sat, Sep 26, 2009 at 9:03 PM, cs e <modulemania at gmail.com> wrote:
> Hi,
>
> I'm trying replace some components on a 20+ year old pcb, but my
> solder won't stick to anything (other components or existing joints).
> It just dries into little spheres and rolls off.
> Any advice?
>
> Thanks,
> Chris
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