One easy thing that can be done quickly - give each of the TMP
connectors a slight turn - use long nose pliers (fingers are not small
enough in crowded areas).
If it fixes the problem, great. Otherwise, continue with the other
troubleshooting steps indicated by others.
73,
Don W3FPR
On 4/21/2014 1:11 PM, Bill W2BLC wrote:
Sounds like a mechanical issue to me. That would mean a loose
connector, loose wire inside of a connector, or a cold solder joint.
To start trouble shooting, you will need:
1. A small non-conductive probe - part of an old pen case will do well
as will a plastic cable tie. Lightly tap each connector with the probe
and lightly pull/push on the wires going to the connectors.
2. A can of "Freeze" to selectively spray soldered connections. Fast
cooling will often cause a failure if said connection is faulty.
Both of the above tests will cause the problem to appear and/or
correct. Gently is the operative word of the day.
In most instances, these methods will find the offending part(s).
Again, DO NOT use force when pulling/pushing connectors or wires. What
you have is slight - else tapping the case would have no effect.
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