Check the coupling capacitor, C13, between the 12BY7A and the finals. Rick, WD8JJA. _______________________________________________ Yaesu mailing list Yaesu@contesting.com http://lists.contesting.com
Thanks for the tip Rick. I checked that cap and it appears okay, so the search goes on. Jerry = = = = = _______________________________________________ Yaesu mailing list Yaesu@contesting.com http://
Correction!!! Sorry Rick, I spoke to soon. I pulled the C13 cap from the circuit and found that it had shorted. You were dead on for the diagnosis. Now to go to the electronics shop tomorrow. Thanks
Are your final tubes fine after C13 short?; that failure will turn very positive final tube's grid bias, which causes an indeed high plate current. Check them before you go to the shop. If I don't mi
I've forgotten to add, that you must realign the driver and final grid section for the upper bands (best if you perform a complete RF re-alignment as per manual), where you may note the worst trackin
I've forgotten to add, that you must realign the driver and final grid section for the upper bands (best if you perform a complete RF re-alignment as per manual), where you may note the worst trackin
Hello Guillermo, Yes, you are right about the finals. I had discovered that one of the 6js6c's had gone shorted on several pins after testing them on my Sencore tube tester. The driver also showed gr
Hello Jerry, I suggest not to replace that cap. with a similar one because sooner or later you'll have the same problem. They're prone to have losses (= lower Resistance) with time. You can try a pai
You are welcome, Good luck, and God Bless. Rick, WD8JJA the diagnosis. the rig = and the _______________________________________________ Yaesu mailing list Yaesu@contesting.com http://lists.contestin
Hello again Guillermo, I was able to find a package of Hi-Q 82PF 10% 1k volt S3N Ceramic Caps to use as replacements in my 101E. I also checked the same 80pf cap at the transmit relay and it is showi