[Tech-Assist] Harris MSP-90 processors

[WFIFeng@aol.com]

In a message dated 06/24/2007 01:22:16 PM Eastern Daylight Time, glaenzer at verizon.net writes:

>  found one leaky tantalum in the mid-band gain control circuit (pin 4 to 14
>  for those of you with a diagram)
>  
>  is this a candidate for shot-gunning ALL the tantalums on the board (ala
>  MS/MX-15 exciter) ??
>  
>  there's only 13 of them and this thing has been on a shelf for 8 years

I would *absolutely* shotgun those tantalums! Replace them with good quality electrolytics. It's relatively cheap insurance. 

My approx. 30 years of experience with equipment that uses the foul things indicates that they are a *consistant* failure point.