[time-nuts] HP 53131A display dim

[Clint Jay]

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" <cfharris at 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
>
> cdelect at juno.com wrote:
>
>> Anyone know about these displays?
>>
>>   If the display is getting dim do I need a new VFD module?
>>
>> Thanks,
>>
>> Corby
>>
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