[Johnson] Caveat

Mon, 24 Feb 2003 10:52:35 -0500

I should have posted the post I sent to the collins list to the Johnson
list as well=2E  It might have saved you some grief=2E  4 weeks ago I blew=

every tube and a couple of capicators in  my Collins 75s1 when I plugged i=
n
the 11 pin, metal case plug for the AC into the back=2E  In this case it i=
s a
keyed connector with a keying system like the octal tube=2E  The key was
missing and I didnt know it=2E

Always =2E=2E=2EI will in the future=2E=2E=2E=2Ethat any keyed plug is in =
correctly
regardless of feel and as you found out, make sure its in the right
socket!!!

Original Message:
-----------------
From: Robert Nickels w9ran@oneradio=2Enet
Date: Sun, 23 Feb 2003 23:17:23 -0600
To: Johnson@mailman=2Eqth=2Enet
Subject: [Johnson] Caveat

For a company that made components - including connectors - EF Johnson Co=2E=

couldn't seemingly make up it's mind whe it came to connectors on their ha=
m
gear=2E   Everyone's struggled to attach antenna relays to that goofy crys=
tal
socket and now I can add one more to watch for=2E  On the Invader, they we=
nt
to a round plug with 5-6 pins and a metal shell (like some old CBs used fo=
r
a mic connector) for the receiver mute contacts=2E  Problem is, there are =
two
of these sockets on the rear panel of the Invader - one for receiver mutin=
g
and another connects to the AC line=2E   And they're both the same, so it'=
s
possible to do like I did today and plug the AC line into your receiver!
Fortunately for me all it did was blow the fuse, but the result could have=

been worse=2E   So if you've got an Invader, remember the connector you wa=
nt
is the one nearest the mic jack, NOT the one over by the line cord and fus=
e!

73, Bob W9RAN

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