[R-390] T502 caps and Diode Load -VDC

[Larry H]

Dave, no need to pull it.  If you measure resistance from v506 pin  6/7 to
diode load, it should be about 42 ohms.  If close, it should be ok.

Regards, Larry

On Wed, Mar 6, 2019 at 3:09 PM dog <agfa at hughes.net> wrote:

> OK, pin 6=187vdc, 7=9.3vdc, another set of tubes from another IF are
> exactly the same, I've got about 2 more tube sets, but the 6AK6's both
> are marked low gain or uphonics. I'll have to pull the unit to check the
> coil. Both those bypass caps were replaced last year or so with new styles.
>
> This thing sounded fine OTA, but I was into it because of the erratic
> gain at T502 and that seems to have gone. I almost had the thing sold
> for good money. It looks good and has all the parts and both meters work
> right, at least last summer.
>
> Dave
>
>
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