Re: dot re-appearing on an lv2000 (g05)

WEEEEE

thanks for that..

i hadn't even put one of my cap kits on it yet, if i had, i would have
sorted it :) C504 had leaky electrolyte spilling out of its bottom.. :)
replaced with a new one...

FIXED!

thanks

Andy

> So I'd check D506 and C504 next - it's possible that D506 isn't, in
> fact, blocking C504's discharge path (it could be leaky or shorted?), or
> that C504 itself is leaky and not charging/discharging properly. This
> would, if I'm reading the schematics and Theory Of Operations correctly,
> allow the cathode-to-Grid-1 voltage differential to become small enough
for
> the electron beam to get past Grid 1 before the filament has cooled
> sufficiently to prevent electron emission from the cathode. (These
> monitors, IIRC, don't have any circuitry to self-discharge the tube when
> the monitor is powered down, so that 15Kv "pull" is still present at the
> front of the tube, ready to yank those electrons straight into the
phospors
> if they can get off the cathode and past the grids.)

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Received on Fri Mar 8 03:52:20 2002