[ICOM] IC-271H blown finals

Lee (WW2DX) lee at ww2dx.com
Mon Aug 6 13:02:01 EDT 2007


Hi George,

I was under the impression that blown 271/471 finals where not  
replaceable, do you know otherwise?
I was told by a Icom service center that the parts are no longer  
manufactured. I think it was the chip caps that are soldered to the  
finals that are no longer available.

If you have success I would like to hear about it. If not, I might be  
interested in the unit. I have a 471H that has dead finals and I use  
it for a low power 432 beacon just using the exciter stage.

Good luck, 73

Lee
WW2DX

On Aug 3, 2007, at 10:24 AM, w2yj wrote:

> I have a Icom IC-271H that is in need of finals (2SC2694) and the  
> driver (sc1013). I would like to know if anyone has experienced  
> self oscillation
> with the rig that would have taken them out or anything that may  
> have caused the finals to fail???
> Is there anyone that has any hints before I install the new ones  
> and potentially let the smoke out of them as well?
> Matched pairs of 2sc2694's are expensive.
> Thanks.
> George W2YJ
>
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