I am testing the 40 meter receive and peaking filters at stage II testing. I
got the problem with the PLL licked and everything was working as
advertised. Now I cannot get any audio out of the radio. No hum, no hiss,
nothing with an antenna connected. I do get side tone and spot tone, so that
Jess,
Where and how you start depends on what test equipment you have available.
To begin, we need to know whether the problem is in the audio stages or in
the remainder of the receiver.
Do you have a 'scope available? How about an audio signal generator? Do
you have a computer with a sound
Jess,
Make sure you have the jumpers installed in place of R18 R19 on the
bottom of the control board. These jumpers provide the path for the
output of the product detector U11 on the RF board.
If no go, check the RF board jumpers W1, W6, W5, W2 and W3 to make
sure the RF is getting to the
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