Swap out that osc tube, even if it tests good. Its too coincidental that crystals would drop out left and right. I once had a hybrid rig where some of the bands quit oscillating on me. Replacing the transistor in that stage did the trick.
73 & GL,
Eric KA8FAN
DW Holtman <[EMAIL PROTECTED]> wrote:
DW Holtman <[EMAIL PROTECTED]> wrote:
Hello,I have a 2B receiver that was working great It has been re-capped and the controls etc cleaned. This afternoon it quit working on 20 meters, later it quit quiking on 40 meters. 80 still works great. I swapped out 20 and 40 meter crystals, tested the 6U8 osc tube, no help.It seems that the higher frequencys will not oscillate. I know that a tube tester checks at 60 hz (at least mine it is a emission tester) so could it still be the tube?Any help from the group would be great.73'sDW HoltmanWB7SSN
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