Monitor repair

From: Russ Blakeman <rhblake_at_bigfoot.com>
Date: Thu Sep 24 18:32:15 1998

Tony Duell wrote:

> > Sounds a lot like a bad flyback transformer, getting ready to die. Anyway,
>
> Flickering could be due to the flyback, could be due to a lot of other
> things. A missing colour is certainly not the flyback, though.

I know, I was a little quick on the reply. I have seen a missing color problem cure
itself on a monitor or two with the flyback change. It depends on the flyback
construction too, how much is consolidated into the HV system. The flaky focus
sounds a little like heat affecting the diodes, like it's ready to pop a flyback as
well. Probably 6 of 10 monitors I work on are flyback related, 2 are the power
supply and the rest are varied between bad controls, horiz or vert sections, or
cheap digital touch controls.

Power transistors tend to be a pain in the tush too.
Received on Thu Sep 24 1998 - 18:32:15 BST