All,
I can vouch for that as well. I recently had a K2 on the workbench
recently and observed that the receive response was not as good as
expected. I connected it to my signal generator which verified the poor
response. Then when turning the K2 on its back to do some probing, all
the problems when away.
Bottom line was that I had a bad coax jumper in my assortment of BNC to
BNC jumpers. Wiggling the ends of the coax revealed which end it was
and that end was immediately cut off. BTW, it showed no problem in
transmit, only receive.
Bad cables are often the culprit when experiencing a problem. Before
digging into the equipment, check the cables. That will fix the problem
in 75% or more of the cases.
Build your own experience base and stow it away in your brain for later
occurrences.
73,
Don W3FPR
On 12/24/2015 5:29 PM, Edward R Cole wrote:
Experience!
Back in 1980 I was beginning my new career as two-way radio tech
working in a BLM radio shop (had been mw engineer in old career in CA)
and asked help troubleshooting from a "50's oldster". He told me that
most new-young techs make the mistake of looking for high-tech
problems when most "troubles" are simple.
So check:
1. power source; signal input/output - first (that includes cables
and connectors)(and test equipment-meters)
2. Control settings (pilot error stuff)
3. Look, Feel, Sniff (often the problem will be very evident to those
senses)(that hot blackened thingy)
4. Then get out the schematic and repair manual
5. Call customer service (not always step five).
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