Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-md02.r1000.mx.aol.com (Internet Inbound) with ESMTP id 4E91F3800008E; Sat, 17 Dec 2011 15:17:15 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Rc0fv-0001Gt-Gs for rs_out_1@blacksheep.org; Sat, 17 Dec 2011 20:16:07 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Rc0fr-0001Gk-U1 for rsgb_lf_group@blacksheep.org; Sat, 17 Dec 2011 20:16:03 +0000 Received: from smtp-out06.email.it ([212.97.34.22]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Rc0fp-0004rP-Os for rsgb_lf_group@blacksheep.org; Sat, 17 Dec 2011 20:16:03 +0000 Received: from localhost (localhost.localdomain [127.0.0.1]) by smtp-out06.email.it (Postfix) with ESMTP id 6F7752C05F for ; Sat, 17 Dec 2011 21:16:00 +0100 (CET) X-Virus-Scanned: amavisd-new at email.it Received: from smtp-out06.email.it ([127.0.0.1]) by localhost (smtp-out06.email.it [127.0.0.1]) (amavisd-new, port 10024) with LMTP id VgLXAcVXUAjh for ; Sat, 17 Dec 2011 21:16:00 +0100 (CET) Received: from dialup-62-11-229-97.clienti.tiscali.it (dialup-62-11-229-97.clienti.tiscali.it [62.11.229.97]) by smtp-out06.email.it (Postfix) with ESMTP id B3FAA2C0AD for ; Sat, 17 Dec 2011 21:15:59 +0100 (CET) From: Claudio Pozzi To: rsgb_lf_group@blacksheep.org Date: Fri, 16 Dec 2011 16:33:49 +0000 User-Agent: KMail/1.9.5 References: In-Reply-To: MIME-Version: 1.0 Content-Disposition: inline Message-Id: <201112161633.49355.smtp01@email.it> X-Spam-Score: 0.8 (/) X-Spam-Report: autolearn=disabled,DATE_IN_PAST_24_48=0.805 Subject: Re: LF: Wellbrook Loop Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.9 required=5.0 tests=FROM_ENDS_IN_NUMS autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G X-AOL-SCOLL-SCORE: 0:2:389072832:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d60564eecf8cb52f9 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none On Friday 16 December 2011 12:55, Roelof Bakker wrote: > Hello Andy, > > I have been asking the same question for years, but so far nothing has > been revealed. > I was given two defunct units and on one I have started to remove the > potting compound with a lino cutter. > This is very time consuming and other projects got priority. > There is a kind of transformer inside, but I will have to dig a little > further. > I think that the potting compound is some epoxy, as plastic DIL IC case. So put the defunct unit into a pot filled with N,N-DIMETHYLFORMAMIDE, a flammable and very harmful chemical, see the Safety Card (e.g. ICSC: 0457 at www.ilo.org) before using, or better ask a chemist. After many days of submersion, it's easy to remove plasic IC case and expose the dice. 73 Claudio, ik2pii -- Claudio Pozzi - Happy Linux User - http://www.qsl.net/ik2pii -- Caselle da 1GB, trasmetti allegati fino a 3GB e in piu' IMAP, POP3 e SMTP autenticato? GRATIS solo con Email.it http://www.email.it/f Sponsor: Conto Arancio al 4,20%. Soldi sempre disponibili, zero spese, aprilo in due minuti! Clicca qui: http://adv.email.it/cgi-bin/foclick.cgi?mid=11923&d=17-12