Path: utzoo!attcan!uunet!samsung!uakari.primate.wisc.edu!uflorida!bikini!jco From: jco@reef.cis.ufl.edu (Dumpmaster John) Newsgroups: comp.sys.handhelds Subject: Re: Death of an HP-48sx Message-ID: Date: 17 Sep 90 14:46:35 GMT References: <26361@boulder.Colorado.EDU> <26372@boulder.Colorado.EDU> Sender: news@uflorida.cis.ufl.EDU Organization: /cis/serc1/jco/.organization Lines: 16 In-reply-to: frechett@boulder.Colorado.EDU's message of 17 Sep 90 05:33:26 GMT I bet if you hold yours up to your ear you can hear yours making that noise too. It's the DC to DC converter in there to make the 15 volts they need for the LCD (at least I think thats what it is.) you can change the pitch by changing the contrast. (Make the DC-DC converter make different voltages.) Anyway, that would be my guess. later jco -- "What would Rock and Roll be without feedback?" -- D. Gilmour In Real Life: UUCP: {gatech|mailrus}!uflorida!beach.cis.ufl.edu!jco John C. Orthoefer Internet: jco@beach.cis.ufl.edu University of Florida Floyd Mailing List: eclipse-request@beach.cis.ufl.edu