Good Day All,
In the Alignement and Test Part 2, I cannot manage to read 12090kHz at
TP3. Instead, I get a reading - and a very unstable one which
fluctuates a lot - of approximately 450 Hz. When I take a look at TP3
on the scope, I see a lot of noise/garbage.
Other hints & observations:
- No signal on pin 1 of U4.
- I get a stable reading of 12312Hz on TP1.
- Band+/Band- will increase/decrease TP3 freq of approx 12Hz
Any ideas of what may be causing the problem ? Could it be a bad PLL chip ?
Thank You
Jean-Francois VA2JFJ
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