Return-Path: Received: (qmail 5329 invoked from network); 6 Dec 2002 15:11:13 -0000 Received: from warrior.services.quay.plus.net (212.159.14.227) by mailstore with SMTP; 6 Dec 2002 15:11:13 -0000 Received: (qmail 2471 invoked from network); 6 Dec 2002 15:11:00 -0000 X-Priority: 3 X-MSMail-Priority: Normal Received: from post.thorcom.com (193.82.116.70) by warrior.services.quay.plus.net with SMTP; 6 Dec 2002 15:10:59 -0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 X-SQ: A Received: from majordom by post.thorcom.com with local (Exim 4.10) id 18KK7Y-0003GM-00 for rsgb_lf_group-outgoing@blacksheep.org; Fri, 06 Dec 2002 15:10:28 +0000 Received: from [195.170.0.5] (helo=mailsrv.otenet.gr) by post.thorcom.com with esmtp (Exim 4.10) id 18KK7X-0003GD-00 for rsgb_lf_group@blacksheep.org; Fri, 06 Dec 2002 15:10:28 +0000 Received: from otenet.gr (myti530-a094.otenet.gr [212.205.251.222]) by mailsrv.otenet.gr (8.12.6/8.12.6) with ESMTP id gB6FADn2006555 for ; Fri, 6 Dec 2002 17:10:26 +0200 (EET) Message-ID: <3DF0BE09.7AA04173@otenet.gr> Date: Fri, 06 Dec 2002 17:11:05 +0200 From: "Alex Deligiannis" X-Mailer: Mozilla 4.75 [en] (Win95; U) X-Accept-Language: en,el MIME-Version: 1.0 To: rsgb_lf_group@blacksheep.org References: <5.1.0.14.0.20021202175331.027c0670@gemini.herts.ac.uk> <3DEE5AE4.7614DC4@att.net> Subject: Re: LF: W-G SPM-19 trouble (survives exploratory surgery) Content-Type: text/plain; charset=iso-8859-7; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Status: No, hits=-2.4 required=5.0tests=EMAIL_ATTRIBUTION,QUOTED_EMAIL_TEXT,REFERENCES, SPAM_PHRASE_00_01,USER_AGENT_MOZILLA_XM,X_ACCEPT_LANGversion=2.42 Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group Dexter McIntyre W4DEX wrote: > The SPM-19 lives! Thanks to Jim Moritz, I was able to locate the > problem in the 40.01 MHz 2nd LO PLL circuit. A 2N918 transistor on the > PLL board was open. Replaced it with a NTE161 and now the VCO is > locked. A wandering VCO was causing the off frequency problem. > > Now to find holes for all those screws! What a beautifully engineered > piece of equipment. > > W4DEX Typical German quality.... Alex SV8QG