Hi Bob,
With troubleshooting skills like that you ought to get a job in
electronics. HI HI !
Pat, K4BEH
-------------------------------------------------------------------------
---------------------------
On Thu, 04 Aug 2005 08:06:42 -0500 Robert & Linda McGraw K4TAX
<RMcGraw@Blomand.Net> writes:
> Problem solved. Bad 1N914 diode on the Logic board not allowing ROM
> access
> for the transition from TX to RX.
>
> 73
> Bob, K4TAX
>
>
> ----- Original Message -----
> From: "Robert & Linda McGraw K4TAX" <RMcGraw@Blomand.Net>
> To: "Tentec" <tentec@contesting.com>
> Sent: Saturday, July 30, 2005 6:43 AM
> Subject: [TenTec] Paragon Problem Solving Info Needed
>
>
> > With all the good technical folks here on the list I take the
> opportunity
> > to get advice on resolving a problem with my old Paragon.
> >
> > Symptoms are:
> > Receive on all bands and all modes is confirmed as OK.
> > Press tune and it appears to switch modes, receiver mutes but
> after about
> > 3 secs, S-meter appears to indicate signals from the input. And
> there is
> > no RF output while in tune regardless of the RF Power setting.
> Pressing
> > tune again does not return the unit to receive. However, pressing
> LSB or
> > USB does switch back to receive or changing the tuning knob will
> cause it
> > to revert back to receive. In transmit, via either PTT or VOX,
> there is
> > no output when audio applied to the mike input however the unit
> does
> > appear to switch into transmit, stays muted, but again after about
> 3 secs
> > the S-meter indicates signals. Again, releasing the PTT does not
> return
> > the unit to receive but pressing the LSB or USB (and maybe other
> buttons)
> > will revert the unit to receive.
> >
> > This unit has been sitting on the shelf for some time and has
> worked
> > flawlessly on a regular basis. Power supply is 13.8V and stable.
> >
> > Looks like something perhaps on the logic/processor board has gone
> west.
> > I haven't poked around inside thus thought I'd asked in the event
> someone
> > else has experienced the same or like problem. Any suggestions
> will be
> > appreciated.
> >
> > Thanks in advance. Respond to the list or privately. Either
> works for
> > me.
> >
> > 73
> > Bob, K4TAX
> > _______________________________________________
> > TenTec mailing list
> > TenTec@contesting.com
> > http://lists.contesting.com/mailman/listinfo/tentec
> >
>
>
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>
>
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