Darrell Bellerive <[EMAIL PROTECTED]> made an utterance to the drakelist gang ---------------------------------------------------------------------- Terry,
Thanks for the message. I already have Garey's CD. It is indeed a great source of information. I can see where it will be worth it's weight in gold once the cover comes off my 2-B. 73, Darrell On Wednesday 12 March 2008 07:45, Terrell Hamilton wrote: > "Terrell Hamilton" <[EMAIL PROTECTED]> made an utterance to the drakelist > gang ---------------------------------------------------------------------- > > Darrell - Probably an unneeded suggestion, but I found Garey's CD on the 2B > to be very helpful. It's not free, but then sometimes advice (like this) > is free because it's not worth much. (grin) Here's the link for what it's > worth - hey, that's sort of funny... > > http://www.k4oah.com > > 73 > Terry > K7WLD > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On > Behalf Of Darrell Bellerive > Sent: Tuesday, March 11, 2008 11:31 AM > To: [EMAIL PROTECTED] > Subject: [drakelist] Help with 2-B Diagnosis > > > Darrell Bellerive <[EMAIL PROTECTED]> made an utterance to the drakelist gang > ---------------------------------------------------------------------- > Last night my Drake 2-B receiver displayed a new problem. > > Over a period of a few seconds the normal static and static crashes on 80 > metres was supplanted by loud static, which was maintained for several > seconds and then over a period of a few more seconds subsided. This whole > process repeated a few times. The loud static was smoother than the normal > atmospheric static and sounded more like white noise. > > This loud static or white noise had no static crashes and movement of the > preselector did not affect the level. The s-meter followed the level of > this > > noise. The RF and AF gain controls functioned normally as did all other > controls on the radio and the 2BQ. The top of the cabinet also felt much > hotter than normal particularly over the power transformer side of the > cabinet. > > Since the preselector did not affect the level of the noise, it is unlikely > the noise was coming in on the antenna and therefore was generated > internally. Looking at the schematic the preselector is on the input side > of > > the RF amp and the s-meter on the output side of the last IF amp, so the > problem could be anywhere in between. > > Any ideas? > > Another problem I have noticed is that the 'A' band receives 80 meters > exactly > like the 80 meter band does even though there is no crystal in the 'A' band > crystal jack. I suspect that the 80 meter crystal may have been jumpered to > the 'A' band crystal jack, but am curious as to why. The receiver seems to > function equally well on both bands. > > I purchased the receiver last September at a hamfest and have not opened up > the rig, so have not inspected the crystal area inside the chassis. > > Other than a bit of hum and a little distortion on AM signals detected on > the > diode detector, the radio has worked very well. > > I have been collecting parts to recap the receiver and add the 'A' band to > 160 > meter mod, test all the tubes, and do a clean up, lube, and realignment. > Also > possibly do the AF Mod de W7ZFB, and the B&B hum mod. > > Looks like I will finally have to look under the hood. > > 73, > Darrell -- Darrell Bellerive Amateur Radio Stations VA7TO and VE7CLA Grand Forks, British Columbia, Canada ---------------------------------------------------------------------- Submissions: [EMAIL PROTECTED] Unsubscribe: [EMAIL PROTECTED] - unsubscribe drakelist in body Hopelessly Lost: [EMAIL PROTECTED] - help in body of message Zerobeat Web Page: www.zerobeat.net - sponsored by www.tlchost.net ----------------------------------------------------------------------
