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Old 11th Feb 2023, 10:07 pm   #85
frsimen
Heptode
 
Join Date: Jan 2011
Location: Croydon, London, UK.
Posts: 773
Default Re: Help needed with - Racal Dana 9081

Hello Rob,

Thank you for your nice comments. Your notes on this forum in the past have been very helpful in trying to tame some of the problems in my 9082. The flickering FM indication remains a problem, it's very fussy about how tight some screws are. Too tight makes it bad, too loose and it's worse. I've got it to the point where it is acceptable now, but it barely meets the specification in the manual on that parameter. The other area where it isn't meeting the specification is the stability when using the fine tune. The spec does seem to expect an awful lot from a crystal oscillator which uses an ordinary crystal.

I had some tantalums fail in mine probably 20 years ago, the smell is still lingering inside the case!

The copy of the manual I'm using can be found here:

https://www.g7syw.com/files/racal-da...aintenance.pdf

It has more pages than the Electrotanya version.

Paula
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