[NLRS] ft-817 mic repair

[christenson at charter.net]

Rj-45 are notorious for failures when used in the tug-pull-twist
application. I would bet it is the cord. Grab a cat5 computer cord and try
that. If your problem goes away you got a bad crimp connection. Just use the
patch cord for now until you can get someone to put on new ends. I had my
icom 2100h fail this wayabout 2 years ago. Still using the cat5 patch cord,
and I even have all the tools to fix my original Hi Hi.

Good Luck,

73  Kris KC0REO
----- Original Message ----- 
From: "Glen Overby" <goverby at charter.net>
To: <nlrs at mailman.qth.net>
Sent: Thursday, August 24, 2006 5:11 PM
Subject: [NLRS] ft-817 mic repair


>
>
>
> Last weekend during the 10ghz contest I had reports of something wrong
with
> the microphone on my Yaesu FT-817.  I switched to my 'spare' mic (the one
from
> my 'spare' IF rig) for a while, then switched back when I discovered (I
think)
> a loose PTT connection.
>
> I don't know much about microphone failure modes.  I wonder if it could be
an
> intermittant connection on the cord, not a failure of the mic itself (the
mic
> and cable are separate, and the connection to the mic and radio is with an
> 8-pin "RJ-45" type connector).  I opened up the case and inspected the
wiring
> inside, to see if it was an easy problem like a broken wire.  It's not.
>
> I'm looking for ways to diagnose the problem further, before just
replacing
> "the part".  In particular, I'd like to make sure that it's not the cable.
>
> Any ideas?
>
> Glen
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