dyno
Well-known member
What's the best way to connect the leads from a probe to a game board? Do I connect to am ic and is there a good tutorial out there on learning to use a logic analyzer?
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connect black lead to a ground rail and the red lead to a +5 volt source.
the trick is knowing what state the chip leg you are testing is supposed to be in. thats the whole thing. knowing if its held high, held low, pulsing, etc.
for instance, if you determine leg 7 of an IC chip is held high, is that the state its supposed to be at? if you know its supposed to be low and its high, then you know there is a problem. the problem could be another chip "upstream" or even "downstream" of the problem leg of the chip. you will need to look at the schematic to determine which way the circuit or electron flow is going.
when you get good at it then you can quickly determine which circuit is at fault or why but that takes experience and good schematic reading.
Sorry my mistake I meant the leads from a pod for a logic analyzer.