[R-390] Limiter on R390A vs R390

[Larry H]

John,  Your 390A definitely has a problem with the limiter.  It should
operate smoothly to full cutoff at around 9 (depending on the signal
strength).  My first thought would be to check c101 and c536 for leakage,
or perhaps r119 is bad.

Regards, Larry

On Sat, Jul 6, 2019 at 4:39 AM <jgedde at optonline.net> wrote:

> Good Morning!
>
>
>
> I notice a substantial difference in how the limiter performs on my R390 vs
> my R390A.  Let me explain, the limiter on the R390 seems to be much easier
> to use as the control performs much more finely and is much easier to
> control.  The R390 cuts off completely much higher in the adjustment range
> than the R390A.  In the R390A, the limiting action is only up to about 3 or
> 4 on the dial before it cuts off completely.  Further, the R390A, is nearly
> impossible to adjust right to the point of cutoff.  After the adjustment is
> made, the action takes a second or two to settle out.  Backing off the
> adjustment does nothing for slight movement, then audio comes back
> suddenly.
>
>
>
> I suspect the R390A has an issue but I wanted to confirm that the operation
> should be the same or not before I dig into it.
>
>
>
> John
>
>
>
>
>
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