Arie,
On Sun, Jan 10, 2010 at 7:14 AM, arie schellaars <[email protected]>wrote: > > > > > Hi folks, > My 5245L had faulty nixies and my approach was to use Russian replacements > available from a Canadian outfit. > The "snags" are. > These nixies , though a direct socket fit , have a glass extrusion at the > back to > "suck out" or let in the neon gas during manufacture. > I drilled the socket ,slow and carefully here, to allow this extrusion to > fit into the > socket . There is some room to spare for this on the socket and no > disassembly of the readout card is needed. > The second "snag " is that the figure 5 is in fact an inverted (upside > down) fig 2 but > in practice it's not a problem. > BTW never had a problem with any of the "innards" of the counter boards! > Would be interested in your details of the oscillator board as , like you, > mine came without the crystal. The oven container was there but empty! > Have since obtained a crystal in its oven but still not happy with the A26 > board. > performance AND have run out of Germanium transistors as per on that board. > > Just had a thought. Ever since I purchased my 5245L many years ago, I have > been on this Time nut treadmill . I guess I should have known better at the > time !!! > Now with a shack full of HP and Tek gear and the inevitable rubidiums , GPS > thunderbolts and plain old oxco's , time to call "CQ' is at a premium. (Hi) > Cheers from OZ > Arie > VK3DBF > > > Been troubleshooting a 5248 M someone grabbed teh oscilator and A26 board > from it. > The a26 board was replced with 2 cmos chips and 1 transistor. > Now I am at the counter gate. Darned if I don't have an issue in the > dreaded > tunnel diodes area. Such a lucky day for me. > Need to cleanup and solder in the pseudo a26 board so I can more easily > work > on the gate. > > > > > > > __________________________________________________________________________________ > See what's on at the movies in your area. Find out now: > http://au.movies.yahoo.com/session-times/ > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
