[Emc-developers] Back to my fried controller

[Gene H. <ghe...@wd...>]

Greetings to yee who are following my sob story..

It appears the MOC3052 at least has an led in it, so I replaced the led in 
series with it, with no joy.

Then, trying to use that pocket scope to trouble shoot, I took the hook off 
the probe, which leaves the ground ring around the tip exposed, so of 
course it accidentally had to touch a real ground, tripping the breaker in 
the service box.  And of course now the C41 isn't working.  So I ordered up 
enough parts to shotgun both twice from digikey, including socketing the 
LM324's in the MC60 controller, the MOC3052 and all its 2n440x transistors.

Except one chip on the C41 board, digikey says the 74LS240 is an obsolete 
part and didn't suggest a replacement.

I think I need a beer, this is discouraging.  Before I start again when the 
chips get here, I need to make an insulator for the end shell of the pocket 
scopes probe.

Cheers, Gene
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