Re: Viewsonic G790 horizontal collapse
From: James Sweet (jamessweet_at_hotmail.com)
Date: 11/27/04
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Date: Sat, 27 Nov 2004 04:21:53 GMT
"Jerry G." <jerryg-consultNOSPAM@ca.inter.net> wrote in message
news:30qdieF2v2lbtU1@uni-berlin.de...
> If I recall correctly, many of these monitors use a separate HV and H
> deflection output stage. Check if this is correct for this model of
monitor.
> The only way to find the faulty components would be to trace the signal
> path, and measure the signal levels back from the deflection yoke. Or,
find
> the scan signal source and scope it through. I realize that this is much
> easier said than done.
>
Yes this does indeed use separate HV and deflection (as I think all
reasonably modern multisync monitors do), HV is working just fine, as I
mentioned in another post, any kind of live measurement is much easier said
than done, all the cables are too short to access most of the bottom of the
board with them plugged in.
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