Path: utzoo!utgpu!water!watmath!clyde!rutgers!cmcl2!husc6!tut.cis.ohio-state.edu!mailrus!umix!uunet!mcvax!enea!tut!santra!jto
From: jto@santra.UUCP (Jari Tomminen)
Newsgroups: comp.sys.dec.micro
Subject: Re: Flickering Rainbow Screen
Message-ID: <11413@santra.UUCP>
Date: 25 Mar 88 22:55:26 GMT
References: <Added.gWEdcUy00Ui3A3UE4s@andrew.cmu.edu>
Reply-To: jto@santra.UUCP (Jari Tomminen)
Organization: Helsinki University of Technology, Finland
Lines: 26


If the flickering is like vertical jumping or sudden shrinking
and expanding of the picture in vertical direction - just the
way my monitor did - maybe this info I got will help you...

There might be "cold" solderings in the monitor electronics.
Check and, if necessary, resolder:
	- all connectors
	- all big coils, especially streak transformer
	  and the red one with some stuff under it
	- brightness and contrast controls
	- also, if necessary, change the 100ohm, 0.5W
	  recistor near the edge of the card beside the
	  red coil.

I did most of the things mentioned above and, voila, all flickering
and dancing ceased.

Enjoy,
Jari.

-- 
| Jari Tomminen, Computing Centre       | BOOT:                              |
| Helsinki Univ. of Technology          | What your friends give you because |
| {anything}!mcvax!santra!jto           | you spend too much time bragging   |
| jto@santra.hut.FI, jto@fingate.BITNET | about your computer skills.        |