Xpantastic!

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Hi Terje,
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One common trouble shooting technique is to spray\ufffd"Freeze spray" onto the chips
one by one\ufffduntil the circuit works.It's an\ufffdeasy way to isolate a heat problem
We can still get this in the US. But not sure about Europe. Usually obtained
from an electronics supply house.\ufffd\ufffd\ufffd
Note: Don't spray this on the VCO/VCF chips because thses are temperature
sensitive, and\ufffdobviously it would change the tuning.