I have uploaded the schematic and some of the recent threads about the 10544 at
"http://www.ko4bb.com/ham_radio/Manuals/HP - 10544/" Didier KO4BB Howard W. Ashcraft wrote: > One difference between the 10544A and a 10811A is that the 10544A requires > +12v on pin 8 in order for the heater to turn on. Without this signal, the > heater will appear to be dead, even with the proper voltages on the heater > pins. So, you may have difficulty using a 10544A as a direct replacement for > a 10811A. I have also had difficulty finding specific information on the > 10544A, but other have graciously offered a 10544A schematic, which I have, > and could forward to you if you would like it. > > _______________________________________________ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts