Agreed!! Restoration is ALWAYS the BEST answer!! :-) 73, Garey - K4OAH
-----Original Message----- >From: John Brown <[email protected]> >Sent: Dec 28, 2011 6:02 PM >To: [email protected] >Cc: [email protected], [email protected] >Subject: RE: [Drakelist] strange relay setup for T4X > >No mention of Vox but I can't see how there would be any if the relay is >picked via a 12volt mod via the Mic PTT. If the rig is generally working OK >(SSB) then I guess it's up to Dale as to the next move. If it was my issue >then I would source an appropriate relay and restore the rig to its "as >built" functionality. >Best regards >JB > >-----Original Message----- >From: Garey Barrell [mailto:[email protected]] >Sent: Thursday, 29 December 2011 2:37 AM >To: John Brown >Cc: [email protected]; [email protected] >Subject: Re: [Drakelist] strange relay setup for T4X > >Possibly. Dale didn't mention whether the VOX worked or not. It wouldn't >be that difficult to put >a fet (2N7000?) in place of the last 6EV7 section to retain VOX. > >If the VOX (Semi-Breakin) doesn't work then the 'dit chop' doesn't matter! >Of course the >transmitter is much less pleasant to operate, at least to me. :-) > >-- >73, Garey - K4OAH >St Charles, IL > >Drake 2-B, 2-C/2-NT, 4-A, 4-B, C-Line >and TR-4/C Service Supplement CDs ><www.k4oah.com> > > >John Brown wrote: >> >> I guess there will not be any VOX capability if it is hard wired to the >PTT. >> >> JB >> >> *From:*[email protected] >[mailto:[email protected]] *On Behalf Of >> *[email protected] >> *Sent:* Wednesday, 28 December 2011 12:15 PM >> *To:* [email protected] >> *Subject:* [Drakelist] strange relay setup for T4X >> >> Put the T4X on the bench today, noticed the relay had been changed out. I >found a sealed relay in >> place of the open frame relay. The relay was for 12 vdc.. they powered the >relay via a small >> rectifier and a small filter network,taken from the 12 volt ac feed to the >rig from the AC-4. >> The Ptt circuit is now 12 vdc at the mic jack. I tried to follow what was >changed in the PTT >> wiring really hard to follow as they wove the new wire into the old >harness. I set the rig up with >> the ac-4, and checked it out. Everything seems to work as it should, T4X >had no trouble tuning to >> full output. >> I guess the question is , this mod seems to work fine ,as its done >,is there any thing I >> should be concerned about using the mod , as to the way the T4X was >originally set up? any one see >> any pitfalls ? >> thanks >> dale wt4t >> > _______________________________________________ Drakelist mailing list [email protected] http://mailman.zerobeat.net/mailman/listinfo/drakelist
