[Elecraft] P3 not displaying any signal {wexp3}

[Doug Joyce]

Ron:  Another thing to try - connect the IF output from the K3 to a separate 
receiver and listen to confirm that the K3 IF output signal is present.at 
8.215 MHz.

73,  Doug   VE3MV

----- Original Message ----- 
From: "John Lemay" <john at carltonhouse.eclipse.co.uk>
To: <elecraft at mailman.qth.net>
Sent: Tuesday, November 09, 2010 3:48 PM
Subject: Re: [Elecraft] P3 not displaying any signal {wexp3}


> Ron
>
> There's a very simple test you can do:-
>
> Connect a receiving aerial direst to the "IF Input"  of the P3. You should
> see a rise of some 10 or 20dB in the noise floor.
>
> You have remembered to connect the tmp cable from the RF board to the 
> front
> panel haven't you ?
>
> Regards
>
> John G4ZTR
>
>
> -----Original Message-----
> From: elecraft-bounces at mailman.qth.net
> [mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Ron Hahn (EI2JP)
> Sent: 09 November 2010 20:40
> To: elecraft at mailman.qth.net
> Subject: [Elecraft] P3 not displaying any signal {wexp3}
>
> Greetings Fellow Elecrafters,
>
> With great anticipation I finally got around to assembling my P3 (SN 211)
> last weekend.  Assembly went great and power on tests were encouraging.
>
> Unfortunately, it fails to display any output from the IF output port on 
> my
> K3.  Nothing.  Every function seems to work just fine except that S9 
> signals
> on 30m (freq displayed OK) do not show anything on the display.
>
> So, I first thought that maybe I had a bad interconnect cable so tried
> another ... nothing.
>
> Moved the frequency knob of the K3 around ... frequency display tracks the
> VFO.
>
> Tried every function on the P3 ... everything appears to work fine.
>
> I have not made the +10dB mod to my transverter board nor have I upgraded
> the firmware in the P3 from factory (0.28).
>
> I am now wondering if I have a busted IF output or (sigh) a faulty P3??
>
> Suggestions on how to troubleshoot this further please?
>
> Ron
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