[R-390] E209 Test Point Voltage Is Low

[n4buq at knology.net]

Okay, I scanned the Y2K manual this morning and noticed something I missed 
last night.  Apparently I was supposed to place the radio on STDBY before 
checking E209 voltage. I'll check this tonight.

Sorry for the low signal/noise.

Barry - N4BUQ

> I've been doing some tube-pin and test-point voltage checking.  According 
to
> the manual, E209 should have approximately -6.8V.  I'm getting 
approximately
> 1/10 of that or less.
> 
> Looking at V202 (1st mixer), the manual calls for -0.4V on pin 6.  I'm
> getting a voltage pretty close to that -- approximately -0.5V.  Pin 6 is
> connected to E209 via R208, a 27-ohm resistor.  How can it be that E209
> should have such a larger voltage than pin 6 considering the only thing
> between them is R208?
> 
> Thanks,
> 
> Barry - N4BUQ
> 
> _____________________________________________________________
> R-390 mailing list
> Home: http://mailman.qth.net/mailman/listinfo/r-390
> Help: http://mailman.qth.net/faq.htm
> Post: mailto:R-390 at mailman.qth.net
> Unsubscribe: http://mailman.qth.net/mailman/options/r-390
> 
> 
>