[R-390] My R-390

[Physicist]

I think in generalities, so my first guess would be a cap, followed 
by a resistor.  If either went, you might be able to see damage to the part.
Also, put your nose up to the unit and see if you can isolate it (UNPOWERED!).

Jeff   KG4RZM



At 01:56 PM 7/18/2009, you wrote:
>My R-390 let a puff of smoke out of it's right, back, rear.  Any suggestions
>as to what is back there?
>
>George KA5DEN
>10X 74681