Yep, I'm working on a T-4XB right now that has no output of the CO and control of that goes through at least two switch wafers.
V1.2 and V1.3 are giving me fits. they should be 1.6 and 4.2V, respectively and they're at 6.4 and 7.2. The crystal tests good. Resistors around the circuit are within tolerances, so I'm not sure if the DC voltage I'm reading is just due to the lack of oscillation or not.
Steve Wedge, W1ES/4
Time flies like an arrow.? Fruit flies like a banana.
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On Monday, April 1st, 2024 at 6:33 PM, jerry-KF6VB <jerry@...> wrote:
On 2024-04-01 15:25, Jim Shorney wrote:
Interpreting rotary switch
diagrams is not on my top 10 list of fun things to do.
*** Me neither. Nothing will stop me from fixing a piece of equipment
faster than
a problem hidden in a mass of rotary switches.
That being said - is there a standard for labeling switch wafers? I
need
to find wafer "G" on my KWM2, because it has a handy unused grounding
contact for
CW mode.
Is "A" generally closest to the panel? Or farthest? Please pardon
this non-Drake
question...
- Jerry, KF6VB