Return-Path: Received: (qmail 18962 invoked from network); 27 Oct 2002 21:01:17 -0000 Received: from warrior.services.quay.plus.net (212.159.14.227) by mailstore with SMTP; 27 Oct 2002 21:01:17 -0000 Received: (qmail 8083 invoked from network); 27 Oct 2002 21:00:30 -0000 Received: from post.thorcom.com (193.82.116.70) by warrior.services.quay.plus.net with SMTP; 27 Oct 2002 21:00:30 -0000 Received: from majordom by post.thorcom.com with local (Exim 4.10) id 185uVb-0001AH-00 for rsgb_lf_group-outgoing@blacksheep.org; Sun, 27 Oct 2002 20:59:43 +0000 Received: from [212.135.6.12] (helo=smarthost2.mail.uk.easynet.net) by post.thorcom.com with esmtp (Exim 4.10) id 185uVb-0001A8-00 for rsgb_lf_group@blacksheep.org; Sun, 27 Oct 2002 20:59:43 +0000 Received: from tnt-18-14.easynet.co.uk ([212.134.224.14] helo=erica) by smarthost2.mail.uk.easynet.net with smtp (Exim 3.35 #1) id 185uVa-000O83-00 for rsgb_lf_group@blacksheep.org; Sun, 27 Oct 2002 20:59:42 +0000 Message-ID: <000001c27dfb$bb8c69c0$0ee086d4@erica> From: "g3ldo" To: rsgb_lf_group@blacksheep.org References: <001b01c27cd3$a229fe80$0f6468d5@oemcomputer> <000401c27cc9$ea5b06e0$edce28c3@erica> <000101c27d94$53aeed80$07ce28c3@erica> Date: Sun, 27 Oct 2002 20:58:11 -0000 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.50.4522.1200 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Subject: LF: Testing FETs Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Status: No, hits=0.5 required=5.0tests=REFERENCES,SPAM_PHRASE_00_01,USER_AGENT_OEversion=2.42 Sender: Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group I have a faulty Decca PA module and I suspect that one or more of the IRF250s have blown. While faulty FETs in the old BK amplifiers were easy to locate because when they failed they developed a short, it does not seem possible to tell the difference between a good and faulty IRF250. Does anyone know of a way to check IRF250s? Regards, Peter, G3LDO e-mail Web