This may sound silly but aside from the failing capacitors that cause displays to dim, the emissions falling and other esoteric issues, in my years repairing VCRs with VFDs I most often found a good clean of the glass and bezel would improve the brightness a considerable amount. On 9 Nov 2015 05:30, "Chuck Harris" <cfhar...@erols.com> wrote:
> The biggest cause of failure with VFD's that I have seen > is the filament voltage drops too low. Usually it is a bad > capacitor in the supply, or a drifting resistor on the regulator. > > I have a VFD on an alarm clock made by GE back in 1980 that > has been running 24/7 since it was bought, and is still way too > bright. I make my wife prop something to block it so that it > doesn't keep me awake. > > -Chuck Harris > > cdel...@juno.com wrote: > >> Anyone know about these displays? >> >> If the display is getting dim do I need a new VFD module? >> >> Thanks, >> >> Corby >> >> _______________________________________________ >> time-nuts mailing list -- time-nuts@febo.com >> To unsubscribe, go to >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> >> _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
