Oh, I manage to fix a few radios for friends and folks from time to time. I
prefer the "big" radios as opposed to the tiny ones. I've spend most of my
life fixing electronic things and enjoy fixing the ones that other folks
give up on and deem them as being un-fix-able.
73
Bob, K4TAX
----- Original Message -----
From: "M P Haynes" <k4beh@juno.com>
To: <tentec@contesting.com>
Sent: Thursday, August 04, 2005 6:54 PM
Subject: Re: [TenTec] Paragon Problem Solving Info Needed
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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