Hi Look for electrolytic / tantalum capacitors on the 10V rail with scorch marks….
Bob > On Jul 26, 2015, at 12:59 AM, Jason Ball <[email protected]> wrote: > > Ok - not so bad. > > One of the 250v 5Amp inside the case blew on the 10v line. Now to work > out why... > > J. > > > On Sun, Jul 26, 2015 at 1:05 PM, Jason Ball <[email protected]> wrote: > >> >> Recently I've been on the hunt for test gear so facilitate moving up into >> the microwave bands (ham radio), accurate timing being one of the basics to >> be sorted. As part of this I've recently acquired a HP 5335A with OCXO >> and HP5350B microwave frequency counter, both picked up today. >> >> I've setup a test stack using a stanford research function generator and >> my existing HP 5384A counter to compare all the kit, it was nice to see >> everything lock in within +5Hz @ 10MHz using only the internal reference. >> I'll have a GPSDO running in a couple of days to provide an external >> reference as well. >> >> Unfortunately after running for 15 minutes the HP 5335A literally went >> 'clunk' and now has no display which is disappointing as I wanted some of >> the measurement functions this unit provides. There's no odd small (for >> an old system) so I'm hoping its a reasonably simple problem, I'll open the >> case tonight. >> >> Does anybody have any experience with issues on the HP 5335A's ? >> >> Cheers >> j. >> >> >> -- >> -- >> Teach your kids Science, or somebody else will :/ >> >> [email protected] >> [email protected] <[email protected]> >> callsign: vk2vjb >> >> > > > -- > -- > Teach your kids Science, or somebody else will :/ > > [email protected] > [email protected] <[email protected]> > callsign: vk2vjb > _______________________________________________ > 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.
