Hello Jim.
Personally I would delicately remove the remains of the thermal plastic
film from surface and clean it with a cloth lightly moistened with 70 or
90% alcohol.
Then a thin film of thermal grease or a new thermal film to reduce
thermal gradient and all will be OK.
Regards,
Claude
Hello Time Nuts.
Where I work we had a small run of 15 phase analyzers made in the early
'90 with Efraton FRK just bolted on the 3/16" thick aluminum plate that
was also the left side of the chassis. The plate was around 12" by 12"
with a 1 inch hole for Rb lamp access and we applied a thin
Hello to all Time Nuts.
I have two HP 3336B levelled generators to repair, both show the same
problem, the display stays at "10 000 000" and the keyboard has no effect.
My problem is that the service manual that can be downloaded on the web
if for series 1930A or earlier, but in my case
First I want to thank Dave and Byron for their super fast answer.
Second I was able to repair my 8131, the problem was in the Tek rack,
not the 8131.
A voltage was missing to heat the OCXO, caused by an open power
transistor in one of the three position of my TM 503, changing to
another TM
Good day.
I'm repairing a Spectracom 8131 and I believe that the OCXO is dead.
In the Spectracom website they have the 8130 manual, and there is too
much difference between these two instruments to be useful.
I searched in all the usual places to get the service manual for the
8131 and