David, ">" means "greater than" and infinity (very large value) may equal "open circuit". That means the only potential problems you have is with J1 pin 5 which should be greater than 1 meg and you are reading 29.56k. Look for solder bridges between pins over the entire board.
73, Don W3FPR On 11/3/2012 10:47 PM, David Holton wrote: > Chasing some advice. > > K2 problem, " touchy " power control pot. > > Removed Front panel and carried out resistance checks of U1 and J1 as per > the manual. > > > > U1 checks out OK. > > > > J1 reads, > > Pins 1 to 4 should read > 1M I read open circuit, no reading at all, on a > Fluke 87 > > Pin 5 " > 1M I read 29.56K > > Pin 6 " > 50K I read 2.26M > > Pin 7 " > 1M I read open circuit > " > > Pin 8 " GND I read GND > > Pin 9 " > 50K I read open circuit > " > > Pin 10 " > 50K I read 5.3M > > Pin11 " > 50K I read open circuit > " > > Pin 12 to 14 " > 50K I read 6.96, 2.7, and 6.96MPins > > Pin 15 to 20 " All read in the middle of their > respective values and 20 is GND. > > > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
