Gerhard,
Do NOT scrape the tinned pads. Your problem is due to insufficient heat.
I hope you are using an adjustable soldering station.
Increase the heat to 400 degrees C.
Good luck!
73, Bob VE3XM
K2 S/N 02676
K2/100 S/N 04031
_______________________________________________
Elecraft mailing list
Post to:
[hidden email]
You must be a subscriber to post to the list.
Subscriber Info (Addr. Change, sub, unsub etc.):
http://mailman.qth.net/mailman/listinfo/elecraft
Help:
http://mailman.qth.net/subscribers.htmElecraft web page:
http://www.elecraft.com