[time-nuts] OCXO Adjustment Question
fwbray at mminternet.com
Sun May 19 20:47:34 EDT 2013
Thanks for the info. I had a general idea that it might be something
like this, but it's helpful to know what to look for. I won't have time
to dig into it until next weekend. Unfortunately, HP's documentation is
not generally available so it may take some exploring.
On 5/19/2013 4:02 PM, Azelio Boriani wrote:
> Usually this type of failure comes from the startup section of the
> power supply. Try to locate the resistor and the electrolytic
> capacitor of the driver IC. The resistor (in the 68K - 390K range)
> connects the V+ bus to this low voltage capacitor and gives the
> startup voltage.
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