Seems to me that the TP2 is a high impedance test point. Check you DVM specs and make sure it is 10 megohm input impedance, most are not. 73, Ron WD8SBB
--- On Tue, 12/29/09, Paul Gerhardt <[email protected]> wrote: > From: Paul Gerhardt <[email protected]> > Subject: Re: [Drakelist] R4B Which Tube is weak? > To: [email protected] > Cc: [email protected] > Date: Tuesday, December 29, 2009, 3:23 PM > Turned out to be a loose rivet on the > RF Gain pot. I tightned it with > some harvy needle nose and the looseness went away, the > S-Meter is now > behaving normally and am hearing signals ok. While I > had the covers > off I did measure the TP2 voltage with a DVM and only > saw small DC > voltages in the mV level and were not steady. The > meter did not seem > to read anything over 80mV this was just with a very short > piece of > wire as an antenna. > > Next step will be to get the T4Xb out of the wrapper and > see if the > p/s and transmitter work... > > > > -- > Paul Gerhardt > K3PG > http://pgerhardt.blogspot.com > QRP ARCI 6674 > FP 274 > > _______________________________________________ > Drakelist mailing list > [email protected] > http://mailman.zerobeat.net/mailman/listinfo/drakelist > _______________________________________________ Drakelist mailing list [email protected] http://mailman.zerobeat.net/mailman/listinfo/drakelist
