Circuit Board corrosion

[Neil Morrison]

Several. Try vinegar, scouring with a 3M scouring pad (green),
scouring powder or acid flux. Be SURE to clean off the board
afterwards with plenty of clean water.

NM


----- Original Message -----
From: "James N Zollitsch" <Maint56man at AOL.COM>


> HI, I recently aquired an unbuilt heathkit, When I opened the box
to start
> assembly I found that the circuit board traces are darkened and
will not take
> solder. Is there a simple way to clean the boards and remove the
corrosion so I
> can start installing the components. Thanks for any help.  JIM

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