Koert,
Make a quick continuity check first - from the center conductor of the
J1 coax to the center of the SO239 antenna jack. There should be
continuity on all bands (the ribbon cable should be connected for this
test).
Next, be certain R26 and R27 are set at their midpoint. If the problem
persists, check T4 very carefully for correct lead positioning and
properly tinned and soldered leads. Be certain the red wire goes
through the center of T4 and the bare wire from the SO239 center
connects to T4-6.
73,
Don W3FPR
Koert Wilmink wrote:
Dear all,
I just finished my KPA100. I do have the following problem with the
first steps connecting the KPA100 to my K2 #05618.
I've connected the ribbon cable, speaker and RF connector to my K2. I've
got audio and I also receive stations when I connect my antenna.
With my dummy load and after setting power to 5Watts on 40M I see the 5
watts and the SWR for 1 second in the LCD screen and then the HiCur
(High current) appears on the LCD.On 20m bands I only see the PWR in
the LCD screen without the SWR for 1 second and than I see HiRefl. On
10M I do see the pwr and the SWR! The latter I only get 2.1 watts when
set to 5 watts.
Please can somebody tell me where to start? I did check the connections
and this seems to be ok. There is no pwr to the KPA100 so everything is
bypassed, except the bandfilters?
help is very much appreciated!.
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