Mark,

"No signals on one band" usually means that you have the RX antenna 
selected - a quick check can be made by putting the antenna on the RX 
Antenna jack.  If it is set on, the menu for RANT is what you are 
looking for.

The ANT1/2 selection is also per-band, so check that as well.

If those do not fix it, go to the secondary menu and check the setting 
for D19 - you do not have the K60XV, but if you installed the rework 
eliminators, you would have changed C71 - with rework eliminators or the 
K60XV installed, D19 must be set to "Y" - without either installed, D19 
must be "N".

73,
Don W3FPR.

On 4/26/2012 10:13 AM, Mark Raybould wrote:
> Hi,
>
>
>
> I have not used one of my K2s ♯5459 for 4+ years which I now find has no
> signals on 7Mhz band.  The K2 is built with KSB2, K160RX, KDSP2, KAF2, KAT2
> and KNB2.  An FT817 is used as a band comparator.  I changed the Real Time
> Clock’s battery on an age basis as it was the original and at least 6 years
> old.  1st Tap of DISPLAY shows “C1 nr”, 2nd Tap of DISPLAY shows voltage
> 13.6 and current 0.34.  The Receive Ant is OFF.  The background noise on
> 7Mhz band is much higher than on all other bands which is much more bass
> sounding.
>
>
>
> Has anyone any simple checks that I can do before I get the test gear out
> and confuse myself.  In advance, thank you for all your help.
>
>
>
> MarkR
>
> g3xys
>
> ___________________________________________________
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