Do you have K4OAH¡¯s e-manual set? ?There is a bad component somewhere that will be in whatever components are unique to 40m. ?The e-manual will make it easier to find the part.
Steve Wedge, W1ES
Time flies like an arrow. Fruit flies like a banana.
On Sun, Mar 30, 2025 at 7:57 PM, KB9VY via groups.io <
lcoblentz3@...> wrote:
I went through the wafer switches and the seem to be good. ?I get a tiny bit of RF on the watt meter, but increasing gain does nothing. ?All other bands behave normally.
On Sun, Mar 30, 2025 at 19:03, Steve Wedge, W1ES/4 via groups.io <
w1es@...> wrote:
Check all of the wafers of the bandswitch.?
You could also have a shorted capacitor in one of the 40m circuits.?
Steve Wedge, W1ES
Time flies like an arrow. Fruit flies like a banana.
On Sun, Mar 30, 2025 at 18:43, KB9VY via groups.io <
lcoblentz3@...> wrote:
I have a T-4XC/R-4C combination that works well on all bands except 40 meters. ?I get no plate current on 40M with the T-4XC. ?Makes no difference if I select separate, transmitter or receiver on the PTO selector of the transmitter. ?My first thought was a dud 18.1 MHz crystal, so I connected the FS-4 to the transmitter using accessory crystal position 1. ?Still nothing on 40M. My brain is fried, so thought I¡¯d see if anyone has any ideas. ?THANKS!
Larry, KB9VY
