[R-390] T-207 / T-401

[Barry]

> Good morning ,
>
> After looking through the Army TM's for the 390A
> and the first version of the Y2K manual and  some time in the archives  I
> think it is time to ask...
>
>
> What is the recommended adjustment for T-207
> and for T-401 ?   and why is the transformer can marked with both numbers 
> ??
> Where IS T-401 ?
>

T401 is the transformer mounted on the top of the second crystal oscillator 
deck.

> The voltage measured at E-209 when in the Standby position was around .960
> volts after
> replacing C-327.  I am able to get it to 1.80 volts   with the adjustment 
> on
> T-207 all the way  down
> but can't get it to 3 volts.  This is one of the St.. Juliens Creek units 
> !
>

I've had trouble getting 3V from my crystal oscillators as well.  I replaced 
C327 and it didn't help that much.  As long as the radio works, it may not 
be necessary to worry if you get a full 3V.

> any  thoughts ?
>
> 73's
> Fred Stillwell
> AA8S

Barry - N4BUQ