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From: myers@hpfcdj.HP.COM (Bob Myers)
Newsgroups: sci.electronics
Subject: Re: Need info. on fixing ID100 term
Message-ID: <17660127@hpfcdj.HP.COM>
Date: 26 Oct 90 16:48:10 GMT
References: <12254@uswat.UUCP>
Organization: Hewlett Packard -- Fort Collins, CO
Lines: 16

> I have a ID-100 video color graphics terminal(ie. a color VT100 term)
> that needs repaired.  When I power up there's a static sounding 
> hissing noise and electrity dancing around at the end of the tube(inside)
> near the gun.  It does not look like an easy and inexpensive fix
> but if any body has an idea of what could be wrong, I'd appreciate
> some help!

Sounds like a clear case of internal CRT arcing, possibly due to a 
cracked/leaky tube.  The only fix is the replace the CRT, and you're right -
this will be neither easy nor inexpensive.  Sorry for the bad news.



Bob Myers  KC0EW   HP Graphics Tech. Div.|  Opinions expressed here are not
                   Ft. Collins, Colorado |  those of my employer or any other
myers@fc.hp.com                          |  sentient life-form on this planet.