[R-390] Troubleshooting "unrepairable" radios

[KC8OPP Roger S.]

Joe,

With all due respect, I believe you should start all
trouble shooting jobs with the "REALLY obvious".  More
times than I can count I have followed up some very
good techs only to find that they have missed a very
important step or symptom.  Sometimes this can be
perceived as an insult to their ability, because they
KNOW they have checked/followed everything.  Don't
assume anything, cause you know what that makes u and
me.

Roger
KC8OPP
USAF trained R-390 fixer (30474)



--- Joe Foley <redmenaced at yahoo.com> wrote:

> 
> 
> --- Tom Norris <r390a at bellsouth.net> wrote:
> 
> > Jon's solution reminded me of a Troubleshooting
> > Adventure I had no  
> > too long ago on a radio marked "not repairable"
> ++++++++
> Good story, Tom,
> 
> Whenever I'm discussing troubleshooting I always
> want
> to know WHO worked on it last and what their level
> of
> expertise is.  It's important!
> 
> I want to know what they might have looked at and
> what
> they have seen in the past.  If that person is a
> good
> troubleshooter I KNOW I have to look much closer for
> something THEY didn't find and I must suspect
> EVERYTHING.  
> 
> But, if the guy was a newby then I know I have to
> start with the obvious first, maybe even the REALLY
> obvious.
> 
> A maintenance electrician has an advantage over the
> new-construction electrician in that he knows the
> machine worked at one time, the construction
> electrician has no idea whether the thing will
> actually work, or even if it was designed properly,
> or
> what effect any design changes had on the final
> product.
> 
> Joe
> 
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