Ken, Have you tried CW mode to see if it is related to the audio chain vs more or less just the RF chain?
73, Ron WD8SBB --- On Fri, 2/18/11, kendw...@netscape.com <kendw...@netscape.com> wrote: > From: kendw...@netscape.com <kendw...@netscape.com> > Subject: [Drakelist] TR-7 no transmit > To: drakelist@zerobeat.net > Date: Friday, February 18, 2011, 4:56 PM > Power up, good receive on short 20' > wire, s-3 steady, couple of jumps to s-5 on strong 20 meter > signal. S-meter drops to zero, and no movement on w-7 > meter on transmit test, two differet 7077, A-104 mics.(300 > watt drake dummy attached to W7) mid 3k range, all > late boards, including aux7, NB, 2nd IF, only early is on > the PA, small board, have a late series pa brick, and > several assorted boards as spares. Before start-up, > carefully pulled, de-oxit pins, and several re-seatings all > topside boards, and hit the band switches also first with > kroil and then with de-oxit, as start. VFO now very smooth > and easy turning. Cured the aux7 of 3 bands changing > displays routine. Frequency rock solid stable, except > .9/0. can flicker back and forth on a very small spot...LOL > > Since my gear is very limited, any suggestions as to board > swaps as a testing bed would be welcome, Starting as to > whether the pa brick might be a good start? Probably missing > several, but can try the ones I have. I'd rather spend > a few hours on this then merely send it out somewheres,..at > least maybe narrow it down some. Maybe get lucky! > > Last night, heard a signal out of Japan and Europe, S3, > Boston boomed in S5. S-3 barely audible on speaker, > but my hearing pretty poor, earphones help a lot. on 20' of > #12 house wire up a floor and across the ceiling a ways. > > Meanwhile, will spend some time in the service manual, read > it carefully through, and bookmark starting points. > Time to see if the heatkit testing rig Vxxx works, and look > over that manual, also. Fluke 87, screwdriver, and extender > board set on hand. Not in a hurry. > > Good break in weather today, 40's. One of the pigs > jumped? over the 18" of fence above the 2 1/2 ft of > hardpack, and went shoulder deep in 3' unpacked snow. Poor > piggy didn't go far, backed up after less than 15' and > climbed back into the pen, urged on by the other pig happily > slurping down alone the 2nd pail of warm feed and some hot > boiled potatoes. They do like to eat...Yorkshires, 18 > months now, getting pretty big. Ever see the cartoon > movie, "Pigs is Pigs" Disney, I think...digressing > > 73'a > ken > AB1JZ > > p.s. some might be interested in this: "Egypt Influence > Network", from Egypt tweetgrid postings on tb2k, pg 105? of > the series ofnear continuous coverage. > > http://www.kovasboguta.com/uploads/4/7/9/5/4795292/egyptinfluencenetwork.pdf > > > This is high res version, and is a small indication of what > monitoring and computers can do. My biggest surprise this is > in the open... > > _____________________________________________________________ > Netscape. Just the Net You Need. > > _______________________________________________ > Drakelist mailing list > Drakelist@zerobeat.net > http://mailman.zerobeat.net/mailman/listinfo/drakelist > _______________________________________________ Drakelist mailing list Drakelist@zerobeat.net http://mailman.zerobeat.net/mailman/listinfo/drakelist
