Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sun-barr!newstop!central!smunews!dga
From: dga@smunews.UUCP (David Aldrich)
Newsgroups: comp.sys.3b1
Subject: Re: (*SIGH*) 3b1 monitor question.
Message-ID: <18491@smunews.UUCP>
Date: 25 May 91 09:23:58 GMT
References: <1991May17.194725.29834@digibd.com>
Reply-To: dga@smunews.UUCP (David Aldrich)
Organization: Department of Electrical Engineering; S.M.U.; Dallas, TX
Lines: 18

In article <1991May17.194725.29834@digibd.com> steve@digibd.com (Steve Wahl) writes:
>
>First off, this problem seems fairly common.  Has anyone figured out
>what components go bad and if the monitors can be repaired by
>replacing a few components?
>
Actually it is exactly 1 component which I have replaced. (had a friend
replace). You can't get it at Radio Shack, but you can at an electronics
supply place. The horizontal control is done by a non polar capacitor which
when it goes out scrunches characters and generally stinks up the room.
It took about 30 minutes to fix it total. I believe the component is a 7.6
uf non-polar capacitor. 

Advantages: Its about a 5 dollar part. Which is cheaper then a 7300.
Disadvantages: You have to do some soldering and take the machine apart.

The part can be located because the outer case of the capacitor will rotate
freely and it's rather large, dark blue-gray, and smells strongly.