Joseph Koppi wrote:
> >The 1340 QRP rig went up in a cloud of smoke tonight. Something is shorted
> >in my DC supply causing some AC on the ground lead. I plugged it into the
> >rig and a loud crack emmited from the speaker. It worked fine for about 5
> >minutes then I heard a loud hissing sound from the speaker and a cloud of
> >stinkey white smoke came from the speaker grill. Looks like the LM-386 took
> >a spike then took a hike. Here's what I learned.
> >1. Don't hook a power supply to the rig with it's power turned on.
> >2. Even though a rig sounds perfectly good, it may be getting ready to blow
> >3. LM-386's stink when they burn.
> >4. Commonly available parts are used in the rig.
> >5. Desoldering is not going to be easy. I'll probably just bust it outta
> >there and remove the leads one at a time.
> >Hopefully by this weekend I'll be back in operation with this rig.
> >Steve Ellington
> >Amateur Radio Operator N4LQ
> Steve: Sorry the pre-installed smoke escaped from your radio. I hope that
> reinstalling smoke in your radio isn't too difficult or too expensive. I
> understand that Ten-Tec has an ample supply of factory smoke if you can't
> find any at Radio Shack. 73,
> Joe Koppi, W0SU
> St. Paul, MN
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YES They don't call them the SMOKY MOUNTAINS OF TENNESSEE for nothing
you know...73 de Jordan...
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