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Do you have +10R on the feeder trace on the bottom of the parent board? If not check Q307 on the Transmit Exciter board. These little guys are like three legged fuses. T/R switching of the +10 is handled by Q306 Q307, and Q308.

73

-Jim
NU0C

On Fri, 24 Jun 2022 12:34:36 -0700
"Don Humphrey" <dscc1947@...> wrote:

> Hello,
> All of the sudden I have lost 10R . I have traced it to the mode switch.
> However my copy of the mode switch wiring on my schematic is not very clear.
> I even took the wafer off the switch bank. I still can not figure out . Of course
> if jump +10 to 10R it will receive. But I am not going to try to xmit this way.
> Any help would be appreciated.
> TNX
> Don WA4NIZ
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