Hello all (again). I'm attempting to align the VCO and am having
trouble making it lock on all bands or get to the right voltage range.
I've verified all components on the board and touched up the solder
on the pertinent components and relays (and verified all
paths/continuity), but nothing changed. Here are the voltage values I
get when attempting to set L30:
Low High
80M 1.937V 6.000V
40M 8.000V 8.000V
30M 0.597V 0.710V
20M 0.589V 1.148V
17M 3.054V 3.250V
15M 1.962V 2.944V
12M 1.131V 1.251V
10M 2.336V 4.060V
No setting of L30 will cause 40M to lock. I also hooked up the
frequency counter to TP3 per a suggestion previously on the list and
it measured 8.something MHz on 40 (which doesn't seem to be right. I
adjusted the spacing on the turns of T5, either pushing them apart or
moving them closer. I was able to bring the lower 20M voltage up to
1.5V, but then the VFO wouldn't lock on 80.
Thanks in advance for any help you can provide. (And thanks to Don
for correctly surmising that my previous problem was due to a
thermistor board issue.)
tim
--
Tim Cailloux
W4EGT
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