Corby, Interesting on the melt down. Is there a reason to consider a second safety device somehow? I would hate to loose the 5065 because of a run away heater.
On Fri, Mar 19, 2010 at 5:10 PM, Corby Dawson <[email protected]> wrote: > I have been repairing HP 5065A for over 20 years and have never had a > failure due to "darkening" > > I did have one Efratom unit years ago that the lamp envelope had darkened > so much it was unusable. > > Not sure if the is the "darkening" referred to? > > The "killer" 5065A failures are oven failures that melt the insides, and > a bulb that has a very low output. (The bulb envelope is still nice and > clear in these cases.) > > The bulb can be replaced with some Efratom ones with varying results. > > Also cell flooding can occur after long storage and/or storage in high > temperatures. > > This is easily cured by applying 5VDC thru a 5ohm 10watt resistor to the > TED (thermoelectric device) in the receiver for 6 days or so. > > Corby Dawson > ____________________________________________________________ > Diet Help > Cheap Diet Help Tips. Click here. > > http://thirdpartyoffers.juno.com/TGL2141/c?cp=NQ-DyajjqFQSe1WjsW9ZnAAAJ1ABLZFyqoH-WnHH1GJ345whAAYAAAAAAAAAAAAAAAAAAADNAAAAAAAAAAAAAAAAAAAYQAAAAAA= > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
