[Gllug] Nasty monitor - giveaway

[Stephen Harker]

On Wednesday 14 May 2003 4:55 pm, Chris Bell wrote:
> On Wed 14 May, Stephen Harker wrote:
> > On Wednesday 14 May 2003 10:23 am, Tethys wrote:
> > > David Damerell writes:
> > > >I have a 17" monitor spare. While it will do decent refresh rates at
> > > >1280x1024, the picture is quite fuzzy, so I don't think I can sensibly
> > > >sell it.
> > >
> > > FYI, this is usually quite easy to fix. If the monitor doesn't have an
> > > on screen gun alignment setting, then just take the case off and tweak
> > > the alignment resistors.
> >
> > OK so I've got the lid off. Whereabouts would the alignment resistors be?
> > On the main board or in the unit on the back of the tube?
>
>    Beware of mains all around the PSU, up to about 3KV around the tube
> base, 25KV around the tube EHT connection, lots of power around the line
> scan/EHT transformer, and lots of other ways of getting fingers burnt. Try
> a series of gentle taps with a WELL insulated rod, you can often find a dry
> joint faster that way than by the application of brain power. If you can
> find something sensitive to tapping, switch off, disconnect from the mains,
> and look carefully at the larger components in the area. The power supply
> can stay charged for hours, the tube can stay charged for MONTHS and will
> re-charge as the glass relaxes even after it has been discharged.

Err. Sorry. What I meant was, I've got one that's out of focus. No dry joints 
that I'm aware of... :-)
Steve



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