A number of you offered suggestions a couple of weeks ago and I checked those suggestions a couple of times. I have finally got back to trying to track down what is probably a silly error on my part
One thought: Have you checked the output relay to see if it makes contact when fired? If the output of the amp wasn't making it to the antenna, the symptoms you describe would be happening. No RF get
Check that the bandswitch contacts haven't burned off. -- Vic, K2VCO Fresno CA http://www.qsl.net/k2vco/ _______________________________________________ Amps mailing list Amps@contesting.com http://l
If the output relay was open there would be a large dip in plate current when the tune control was tuned with drive applied. Open bandswitch or switch on the wrong band is most likely. Try another ba
Switch contacts are OK by visual inspection and by ohmmeter. _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps
It turns out it doesn't matter about the bandswitch position - same result in all positions regardless of the transmitter freq. The bandswitch seems OK by visual inspection and with an ohmmeter. I ha
Possible arc over and short of the tune cap ?? ...................................................................................................... 73 VE3DV , Dave _________________________________
Not that I know of. The amp was working except it needed new parasitic suppressors. I replaced the suppressors, the plate RFC, and the plate blocking cap. The output network itself was not touched ex
Thanks to all that offered suggestions. It turns out to be a silly thing as I thought. When I pulled the two 200pf doorknobs for 160 tuning and put in a single 500pf it left a mounting hole that I de