Hi Garey The bulb you are showing is not there. Could that be a problem?
Bob AD5VJ > -----Original Message----- > From: Garey Barrell [mailto:[email protected]] > Sent: Sunday, January 10, 2010 9:14 PM > To: AD5VJ Bob; Drakelist > Subject: Re: [Drakelist] TR-3 > > Bob - > > Attached is the page from my CD with the relay contacts identified. > Should help you find what you need to check. > > 73, Garey - K4OAH > Glen Allen, VA > > Drake 2-B, 4-B, C-Line& TR-4/C Service Supplement CDs <www.k4oah.com> > > > AD5VJ Bob wrote: > > Hi Mark > > > > Yes I can rx both usb and LSB with no problem. > > > > The rig is supposed to switch to the sideband appropriate for the > > band which it does on all bands except for 40 meters. On 40 > it goes into usb not LSB for some reason and I have to switch > it to X in order to get the LSB signals off of 40 meters. > > > > Does the relay only have the upper contacts. I can see them moving > > from the top after taking the top off, or do I have to take > the relay out in order to clean any at the bottom of the relay. > > > > Bob AD5VJ > > > > > >> -----Original Message----- > >> From: Mark Nace [mailto:[email protected]] > >> Sent: Sunday, January 10, 2010 6:44 PM > >> To: AD5VJ Bob; [email protected] > >> Subject: Re: [Drakelist] TR-3 > >> > >> Bob, > >> I would first turn everything off, unhook the TR-3 from the power > >> supply, and look at the frame T/R relay and make sure the contacts > >> are clean. Once they are clean, I always do some continuity > >> measurements on the XMIT and RCV cathode lines to make sure they > >> really are making good contact. If this is a no-go, make sure the > >> relay tube is actually energizing the relay coil. Beyond that, if > >> the 9 MHz BFO is not being shifted into the SSB filter passband > >> (upper sideband filter I think), then there will be no > drive at all. > >> Are you able to receive upper and lower sideband QSO's okay? > >> > >> Others will probably have more and better advice... > >> > >> 73 > >> Mark > >> N5KAE > >> > >> > >> > >> > >> ----- Original Message ---- > >> > >>> From: AD5VJ Bob<[email protected]> > >>> To: [email protected] > >>> Sent: Sun, January 10, 2010 6:23:34 PM > >>> Subject: [Drakelist] TR-3 > >>> > >>> I have a TR-3 and it is working fb on rx, except when > going to the > >>> procedures for tuning while using a dummy load as the > >>> > >> antenna, on page > >> > >>> 17 of the manual after presetting the controls as > indicated, when I > >>> get down to the: > >>> > >>> 'advance the XMTR gain control clockwise until the plate > >>> > >> amperes meter > >> > >>> moves up scale slightly from idling current' > >>> > >>> It does not move up scale and I have no output when the function > >>> switch is set to X-CW per two different watt meters I have > >>> > >> put inline > >> > >>> with the dummy load. > >>> > >>> All the tubes light up and seem to be functioning properly. > >>> > >>> Any ideas? > >>> > >>> Bob AD5VJ > >>> > > > _______________________________________________ Drakelist mailing list [email protected] http://mailman.zerobeat.net/mailman/listinfo/drakelist
