[Elecraft] PR6-10 Poser, Cont'd

[Dauer, Edward]

Thanks Mike, Fred, and others . . .

I will try the pin 11 mod though I fear that's not the problem, for three
reasons.  Fred points out that pin 11 would keep the preamp on rather than
off; second, having used a KAT (and a KPA) with the K3 since the KAT first
came out, I've worked through the cabling business and had it all solved
so far as the KAT is concerned.  And most convincing, one of my attempts
was done with the K3 a cappella, so to speak -- I disconnected everything
except the power supply and the antenna and the PR6-10, connecting only
the unique 15-pin cable that was supplied with the PR6-10-- with the same
result.

Fred's book (2d Ed.) shows the block diagram of the PR6 (same as the 6-10,
I assume) and the KVX3, but the examples use a separate antenna in ANT 2
for the preamped band.  I have but one coax line coming into the shack for
every band -- the antenna switch is remote, out where the antennas are.
(Reduces the number of holes you have to drill in the house.)  That feed
line is in the K3 at ANT 1, and ANT 1 is selected.  The plan was to keep
just one feed line and select  the preamp in for ten meters and out for
everything else.  

Am I trying to do something that's not possible?  Nothing I've seen in the
Elecraft papers says anything about not using ANT 1 for everything
including what the preamp is supposed to be preamping . . .

Any further ideas?

Tnx!

Ted, KN1CBR


>Hi Ted,
>
>If you are using a KPA500 and a PR6 you will have to remove pin 11 from
>the
>cable that goes to the KPA500. It has popped up on this reflector once or
>twice but it is not mentioned in either the PR6 or the KPA500
>instructions.
>If you wonder if this will work just pull the 15 pin cable off of the
>KPA500
>and you'll see that the PR6 works as you would expect it to work.
>
>73,
>Mike K2MK
>
>
>Dauer, Edward wrote
>> I need to ask for help configuring a PR6-10 on the K3.  Installed OK,
>> removed the internal jumper per instructions and am using the control
>>line
>> on a Y splitter to allow the KPA and KAT to connect to the K3 as well.
>> Physically, all seems fine, and the K3, P3, KPA and KAT work just as
>>they
>> always did.
>> 
>> Then to operate the pre-amp I configured digout1 to ?on? for 28 Mhz on
>>the
>> K3, per instructions.  OK so far.
>>  
>> 
>> The PR6-10 manual says ?Tap RX ANT to enable preamplifier.?  When I do
>>so
>> the noise level goes way down and the signals disappear, as if there
>>were
>> no antenna connected to the receiver.   Removing the power plug from the
>> preamp made no difference in either mode ? RX ANT on or off.
>>  
>> 
>> I recall when building the K3 that there were elections to be made about
>> antenna configurations when installing the sub receiver and/or
>> the KXV3.  I also remember that there are a myriad of ways the antennas
>> can be routed via the configuration menus.  I have a feeling that the
>> elections and internal configurations I originally made in the K3 are
>>not
>> compatible with getting the PR6-10 to work simply by pressing RX ANT,
>>but
>> I can?t reason my way through it all.
>> 
>> 
>> Ted, KN1CBR
>
>
>
>
>
>--