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Now with great care solder the pins to the top of the adapter board. This should be no
harder to do than soldering the socket to the main board you did earlier. Double check you
have no solder bridges between pins when you are done.
RF Noise Test
Now make sure that the chip is plugged in the socket the correct way round, it didn't matter
when you soldered the adapter board and pins but it DOES matter now!
Connect up the headphones/key and power again as before. Now use a metal screw driver
and touch the top pin for the Y2 crystal. You should hear a mix of Hum and RF noise, you
may even hear some weak CW signals!
Rooster CW Transceiver Rev3
The adapter board has Pin1, 4, 5, and 8
marked. Make sure Pin 1 is nearest to the
DC in socket.
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Nov 2023
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