[time-nuts] HP 5065 Meter readings after restoration and adjustments: 2nd Harmonic Problems ?

John Miles john at miles.io
Fri Sep 8 06:56:12 EDT 2017

> My intention is to leave the instrument on for severalweeks in order to see
> if it is stable. Right nowmy concern is wether the 2nd harmonic
> readingindicates a wear out of the photo cell.
> When repairing the RFV Cavity, all components weretaken out and carefully
> examined. There wereno dimmed or darkened glass surfaces
> whatsoever.Apart from repairing the TX heater, the only other thingwas
> replacing the 1K something resistor in the TXassembly.

You've checked the ESR of all the axial electrolytic caps, right?  If not, it's quite unlikely that they're all good.  

-- john, KE5FX
Miles Design LLC

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