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From: larryha@tekig5.PEN.TEK.COM (Larry Hattery)
Newsgroups: comp.sys.mac,comp.sys.mac.programmer,tek.general
Subject: HELP!!!  I have a dead Mac+
Keywords: power supply fly-back transformer
Message-ID: <3160@tekig5.PEN.TEK.COM>
Date: 19 Aug 88 17:07:28 GMT
Article-I.D.: tekig5.3160
References: <878@taux01.UUCP> <870207@hpcilzb.HP.COM>
Reply-To: larryha@tekig5.PEN.TEK.COM (Larry Hattery)
Organization: Tektronix, Inc., Beaverton,  OR.
Lines: 21

My mac died this morning right in the middle of copying some files.
There was a slight screech as the screen went black.  Now whenever
I turn it on it makes a sound like a squeeky fan, but there is no fan.
Kind of sounds like something mechanical rotating - it's not the disk.
There is no power to the processor, so it doesn't even try to boot.
I've disconnected the power cable to the processor board now to
prevent any damage to it or the disk drive.  The fuse is not blown.

Do you know what the problem might be?  It seems like I've read where
others have experienced similar symtoms, which turned out to be the
fly-back transformer.  As of now I'm clueless.  I'm going to go over
to B-Dalton later to get the Chilton repair manual, but I thought I'd
see if I could raise anybody here first.

Thanx in advance - just a software guy in a hardware world

-- 
Larry E. Hattery                        Tektronix Inc.
larryha@penguin.PEN.TEK.COM             M/S 47-704
Portable Instruments Division           PO Box 500
(503)627-1225 days                      Beaverton, OR 97077