Shel,
The "signal" at the gate of Q5 is a result of the 7R voltage going to
zero. There are many places in the K3 that use that voltage rail for
power during receive.
Does the receiver work? If so, there are many devices working properly
on that 7R voltage rail, and you will have to find out why it is not
getting to the gate of Q5.
Do a "FIND" in the .pdf of the schematic to see all the references to 7R
and that should enable you to trace the path. All the 7R points are
connected together.
73,
Don W3FPR
On 3/9/2018 10:57 AM, Shel Sherman wrote:
>
>
> Sent from Mail for Windows 10
> I am missing the signal on the gate of Q5 when the internal keyer is activated.
> Can anyone show me the path through the schematics so I can locate where the signal gets Shel WO0C
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