[R-1051] diagnosing dead bands

[paul swed]

I do not think so. Dusting off the brain cells Each band has a separate
frontend tuned filter 1 Mhz wide. The fact that 8-2Mhz is dead would lead
me to believe something else is wrong.
Most likely in the translator synth.
Regards
Paul
WB8TSL


On Thu, Mar 27, 2014 at 1:52 PM, Mark Richards
<mark.richards at massmicro.com>wrote:

> Greetings.
>
> After tackling an R-390A restoration, next on the list is a R1051B. I have
> manuals and a few web sites for reference.  Tried to search the R1051
> archives, but this is only available manually, it seems.
>
> Question: my receiver is dead below 8MHz.  No output from speaker. If I
> just slightly move the MHz knob, I can hear hiss.   Is there a common
> mechanical alignment issue that I might check first?
>
> Took cover off RF module and marveled at the rotating drum mechanism.
>  Wondering if the issue might simply be misaligned contacts...
>
> Thanks for any hints.
>
> /K1MGY
>
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