Don Wilhelm schrieb:
Rolf,

The answer may be an easy one - Is the power supply for the KAT100 switched
on before turning the K2 power on?  If not, it should be.

You apparently have the KAT100-2 if it contains the connector for the flat
ribbon cable connector, that is for connecting the KPA100 when mounting the
KPA100 and KAT100 together in the EC2 enclosure.  Connect the KAT100 and the
K2 through the cable shown in the KAT100 manual (from KIO2 to the KPA100).
The connecting cable should be as short as possible, although lengths up to
60cm should work.

73,
Don W3FPR

Hi Don,

thanks for your suggestions. -Yes, i switched on the PS for the tuner first, and yes, i used the external cable also, i tried the internal connection just as an additional test.- BUT, i recently found the faulty part: U8, the 5V voltage regulator, was defective! And -surprise, surprise- without internal 5V the tuner would't work:-) I replaced it with a spare part and it runs perfectly!

So thanks again and hpe cuagn,

73, Rolf DL1KJ
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