Xref: utzoo comp.sys.mac.misc:1249 comp.sys.mac.hardware:4309 Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!uakari.primate.wisc.edu!dali.cs.montana.edu!milton!uw-beaver!zephyr.ens.tek.com!tekig5!briand From: briand@tekig5.PEN.TEK.COM (Brian D Diehm) Newsgroups: comp.sys.mac.misc,comp.sys.mac.hardware Subject: Re: Help!, my analog board is shot Keywords: analog board, transformer, plus Message-ID: <6553@tekig5.PEN.TEK.COM> Date: 12 Jul 90 01:38:26 GMT References: <1990Jul11.194216.1939@cbnewsk.att.com> Reply-To: briand@tekig5.PEN.TEK.COM (Brian D Diehm) Followup-To: comp.sys.mac.misc Organization: Tektronix, Inc., Beaverton, OR. Lines: 15 > I need some hardware help. I turned on my Mac Plus today and all it did >was click. No beep, no screen, it just repeatedly clicks. > I have a feeling that it is the flyback transformer, which I've read about >in the past. Probably the wrong conclusion. The flyback transformer would prevent the display from lighting up (or it would be a very narrow vertical line). It would NOT prevent the processor from operating normally, and thus it would NOT prevent the bell from dinging. -- -Brian Diehm Tektronix, Inc. (503) 627-3437 briand@tekig5.PEN.TEK.COM P.O. Box 500, M/S 47-780 Beaverton, OR 97077 (SDA - Standard Disclaimers Apply)