D.G. Nova update -- crapacitors strike again

[Dwight K. Elvey]

>From: "Jules Richardson" <julesrichardsonuk at yahoo.co.uk>
>
>On Fri, 2005-04-01 at 00:32 -0800, Tom Jennings wrote:
>> Well I identified the failure, fixed it, and the disk pack is
>> formatting right now. Whew!
>> 
>> Another crapacitor -- looks like a tantalum, but it's only .01uF,
>> a dipped-looking bright blue axial part, about the size of a 1/8W
>> resistor. I think these were discussed recently; not necessarily
>> tants, but some short-lived process.
>
>That's one thing that bugs me about old kit for which there aren't
>schematics around - tantalum caps often completely explode. If the value
>was critical for some reason, then that creates a problem!
>
>I've started taking lots of photos of any rare boards I have these days,
>just in case. Once a cap explodes or a resistor burns out it might be
>impossible to tell what the right part should be (well, without serious
>circuit analysis and/or guesswork)
>

Hi
 One thing to consider is that critical valued passive parts rarely
are in a position that will cause them to burn when shorted.
Still, most IC's are across the rails. I've seen IC's with
a crater right where the part number was.
Dwight