Hi Alan, Tried that, and downloaded the operating manual a while back. Tried your tip and looked at the German version, but no luck either.
Thanks for the suggestion though. Cheers, Ian. ----- Original Message ----- From: "Alan Melia" <[EMAIL PROTECTED]> To: "Discussion of precise time and frequency measurement" <[email protected]> Sent: Tuesday, July 22, 2008 10:50 AM Subject: Re: [time-nuts] Hameg HM8125 Time/frequency Standard > Hi Ian I dont know whether it works for that unit, but try the Hameg site. > http://www.hameg.com/66.0.html > There are "almost" complete manuals for all the units (well certainly the > scopes!) You may find that there are no schematics in the English > versions....download the German versions (which you may see are bigger > files) and the are often schematics at the back of these....the titles etc > are also bilingual. > > Hope that helps > Cheers de Alan G3NYK > > ----- Original Message ----- > From: "Ian Sheffield" <[EMAIL PROTECTED]> > To: <[email protected]> > Sent: Tuesday, July 22, 2008 7:51 AM > Subject: [time-nuts] Hameg HM8125 Time/frequency Standard > > >> Hello, >> >> Does anyone have a copy of a schematic or service manual for the > down-converter for the Hameg HM8125 >> GPS frequency/time receiver? >> >> The receiver and display seems to be working fine, but the separate > down-converter appears to have been modified with a capacitor blocking the > DC power feed from the receiver and what may be a voltage regulator has > been > removed. The downconverter appears to do more than just shift frequency, > as > it has a TDA 1574 FM subsystem chip in it as well as the expected RF > circuitry. >> >> Any help would be appreciated, or even if someone had a spare > downconverter for sale.........? >> >> These units do unfortunately, appear to be as scarce as hens' teeth. >> >> Thanks in advance, >> >> Ian Sheffield >> >> >> _______________________________________________ >> 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. > > No virus found in this incoming message. > Checked by AVG - http://www.avg.com > Version: 8.0.138 / Virus Database: 270.5.3/1565 - Release Date: 7/21/2008 > 18:36 > > > _______________________________________________ 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.
