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Re: Trying to fix an Apple II+ : blue & orange colors "sparkle" & cap with only one connection



eccofonic <eccofonic@charter.net> wrote:
> On Mon, 21 Jan 2013 16:43:33 -0600, Michael J. Mahon <mjmahon@aol.com>
> wrote:
> 
>> Both leads of any capacitor should be connected. It sounds like the ground
>> side is connected. If this lead is the lead marked "negative" on the
>> capacitor, then the other lead should be connected to either the +5v or the
>> +12v line. Since decoupling on the +12v line is less important, I'd expect
>> the positive lead of the capacitor(s) to connect to the +5v bus. 
>> 
> 
> As it turns out, the positive end of the cap is connected to the
> ground pins. Forgot to mention that in my original post.

In that case, the only possibilities for the negative lead are the -5v or
-12v, neither of which needs additional decoupling. 

I'd recommend just removing the capacitor completely.   It may have been
someone's "good idea" that is unnecessary. 

-michael - NadaNet 3.1 and AppleCrate II: http://home.comcast.net/~mjmahon