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Path: utzoo!watmath!clyde!burl!we13!ihnp4!inuxc!inuxd!porter
From: porter@inuxd.UUCP (J Porter)
Newsgroups: net.micro.cbm
Subject: Re: Wanted: Advice on C64 Hardware Problem
Message-ID: <440@inuxd.UUCP>
Date: Mon, 6-Feb-84 12:42:34 EST
Article-I.D.: inuxd.440
Posted: Mon Feb  6 12:42:34 1984
Date-Received: Thu, 9-Feb-84 08:57:01 EST
References: <112@teklds.UUCP>
Organization: AT&T Consumer Products Div., Indianapolis
Lines: 18

+

Sounds like the five volt regulator in the power
supply mid-cord has over-heated and hence shut down.
I know of two other machines of medium age that have
shown this problem.  Get a LM309K five volt regulator
in a TO3 package and perform surjury on your power
supply.  The regulator that is in there presently is
not a TO3 - it is something not commonly available.
It would probably do you good to try your machine with
a friend's power supply on your 64.  Also, are you sure
you have plugged in the power supply with the proper
orientation into the 64?  Some people I know have fried
a ROM or two by doing this.

Jeff Porter  (inuxd!porter)
AT&T Consumer Products
Indianapolis