[TenTec] Eagle problem?

Carter k8vt at ameritech.net
Sat May 17 17:58:11 EDT 2014


On 5/16/2014 1:25 AM, Jim Brown wrote:
> On 5/15/2014 8:21 PM, Stuart  Rohre wrote:
 >> An easy test for you.  If you take an ohmeter from the shield of
 >> the mike cable at the base of the mike or where ever you can access
 >> it, and then touch the other probe to the chassis of the radio, do
 >> you get zero ohms?  If your ohm meter has a "Lo Ohms" scale use
 >> that one. IF the continuity is there, that should eliminate the
 >> "pin 1 question".
 >
 > NOT TRUE -- depending on the sensitivity of the Low Ohms scale on
 > your VOM, it is VERY unlikely that your VOM can tell the difference
 > between a connection direct to the chassis and a connection via the
 > circuit board to the chassis. My Fluke, carefully calibrated and with
 > compensation for the test leads can, but most VOMs cannot.

Yes, I have a Tektronix DMM (IMHO nicer than the Fluke 83 and 87 I've 
got -- but that's another story) that has a low ohms scale that 
compensates for the test leads. I will try it, but I am not sure if even 
the Tek will show what could be a very small difference in resistance.

73,
Carter   K8VT





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