[Pro2006] PRO-43 problems

[Ken]

Hi Mike, I would check the voltage regulators input and outputs first,
they fail in many scanners, sometimes because they used a pressure type
heat sink which fails with age and allows them to overheat. Good luck, Ken



--- Mike <pyro68@tds.net> wrote:
> I have two Radio Shack PRO-43's and one of them just went dead.  It
> worked
> one day and the next day it didn't.  When first turning the unit on it
> makes
> the typical faint thump or pop, but then nothing... no display, no
> sound, no
> squelch, nothing.  It seems like maybe a capacitor is starting to
> charge,
> but then the power just quits.  I do have a service manual and I'm
> suspecting maybe one of  the two voltage regulators IC305 or IC307. 
> Just
> wondering if anyone else has experienced this and what you found the
> problem
> to be.
> 
> Mike
> WB9ANR
> 
> 
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> Pro2006 mailing list
> Pro2006@mailman.qth.net
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