Hi Assuming there's enough of the pot left, (as in the pot still works) that's very likely what I'll do.
Bob -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Don Latham Sent: Tuesday, March 09, 2010 2:21 PM To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] 5370A vs 5370B shucks, you can always get out the good ol' dremel and score some grooves in the broken pots-then use a screwdriver... Don ----- Original Message ----- From: "Bob Camp" <[email protected]> To: "'Discussion of precise time and frequency measurement'" <[email protected]> Sent: Tuesday, March 09, 2010 11:10 AM Subject: Re: [time-nuts] 5370A vs 5370B > Hi > > I'm about 90% sure I'm going to hang on to the counter. It may wind up > with > a bunch of fixed level inputs on it, but for the price - I'll live with > that. Other than the blow to the front panel it seems to be in ok shape. > > If I do keep it, tearing it open and checking all the internals is > definitely on the list of things to do. Finding a board loose or a screw > that needs tightening is pretty likely. > > Bob > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On > Behalf Of Don Latham > Sent: Tuesday, March 09, 2010 1:04 PM > To: Discussion of precise time and frequency measurement > Subject: Re: [time-nuts] 5370A vs 5370B > > Hi Bob: sounds as if it just had a hard bump, meaning that all the boards > and connectors need reseating. I had an Hp device with a tiny crack in a > pc > trace on the motherboard, but by golly I found it. Hope the B doesn't > prove > to be a sequential vortex :-) > Don > > ----- Original Message ----- > From: "Bob Camp" <[email protected]> > To: "'Discussion of precise time and frequency measurement'" > <[email protected]> > Sent: Tuesday, March 09, 2010 10:08 AM > Subject: Re: [time-nuts] 5370A vs 5370B > > >> Hi >> >> Ok, the rest of the story: >> >> I picked up a 5370B for less than the price of the 10811 inside it. The >> unit >> powers up and appears to function at some level. All of the front panel >> knobs are either busted or sheared off. Switches and buttons all seem to >> be >> there and function (2 minute quick check). >> >> I have it on a 3 day right of refusal. Popping the top to look inside >> voids >> that (at least I believe it does). Shipping there and back is roughly >> half >> of what I paid for the unit. >> >> 5370A's are pretty common out there. 5370B's not so much so. If I keep >> this >> unit I'm trying to calibrate just what sort of adventure I'm getting >> started >> on. I already have a number of them going on. >> >> The goal is still to get this one up and running by "repairing" the front >> panel pots. With 4 of them to fiddle that may or may not work out. >> Ideally >> I'd like to have a 5370B when I'm done. Since A's are all over the place, >> swapping parts with an A to get the B going is what I was considering. >> >> Of course if somebody has a little bag of magic dust that instantly >> repairs >> things.... >> >> Bob >> >> >> >> -----Original Message----- >> From: [email protected] [mailto:[email protected]] On >> Behalf Of paul swed >> Sent: Tuesday, March 09, 2010 8:49 AM >> To: Discussion of precise time and frequency measurement >> Subject: Re: [time-nuts] 5370A vs 5370B >> >> I don't think thats true. >> There would be a lot of common parts so the question is what are you >> looking >> for? >> >> On Tue, Mar 9, 2010 at 7:47 AM, Bob Camp <[email protected]> wrote: >> >>> Hi >>> >>> So a parts donor 5370B is a donor for 5370B's and not so much for a >>> 5370A. >>> >>> Bob >>> >>> >>> On Mar 8, 2010, at 11:37 PM, Bruce Griffiths wrote: >>> >>> > The input amplifiers also differ. >>> > The linear input voltage range of the 5370B input amplifiers is >>> > greater >>> than that of the 5370A. >>> > >>> > Bruce >>> > >>> > Chuck Harris wrote: >>> >> Front panel, chassis, motherboard, and power supply appear to be the >>> same. >>> >> >>> >> The CPU, ROM, and RAM boards were made into a single board. There >>> >> were >>> >> some changes to the counting circuitry to make it more production >>> friendly. >>> >> >>> >> The whole counter was sped up so that it could read at a somewhat >> higher >>> rate >>> >> than the 5370A. >>> >> >>> >> -Chuck Harris >>> >> >>> >> Bob Camp wrote: >>> >>> Hi >>> >>> >>> >>> How much of the 5370A was directly carried over into the 5370B? >>> >>> >>> >>> Bob >>> >>> >>> >>> _______________________________________________ >>> > >>> > >>> > >>> > _______________________________________________ >>> > 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. >>> >> _______________________________________________ >> 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. > > > _______________________________________________ > 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. _______________________________________________ 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.
