[R-390] General question - R-390A

[Jacques Fortin]

Hi Rick,
Yes because the crystal oven heater is always powered from the 6.3V line.
73, Jacques, VE2JFE

-----Message d'origine-----
De : R-390 [mailto:r-390-bounces at mailman.qth.net] De la part de Rick
Popovich
Envoyé : 14 octobre 2016 14:25
À : R-390 at mailman.qth.net
Objet : [R-390] General question - R-390A

I am beginning troubleshooting on a R-390A and I have the "ovens"
switched OFF, but while checking items on the RF Deck I noticed that the
Chrystal oscillator is super hot - is this normal ? The PTO is cold.

 

Any info would be appreciated !

 

Rick 

 

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