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Is it safe to use a meter to test jamma pinouts whilst powered on?

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Kilgore:

--- Quote from: Navmaxlp on June 21, 2005, 01:54:58 pm ---Voltage on most PCBs are so low that even if you take a shock it won't hurt or be anything to worry about. Trust me on this one hehe....
--- End quote ---

Just be careful and don't electrocute yourself when you bang your head on the monitor as you are crawling out of the bottom of the cabinet.

Now you didn't ask about frying the JAMMA board

paigeoliver:
I have never gotten a shock out of game wiring or boards, and really, I'm not even careful at all.

I have gotten multiple assorted monitor shocks (ranging from the full charge of a powered up tube, to the standard HV that powers the flyback to whatever other voltages are hopping around on the monitor).

Druin:
One thing to point out, if you are looking to do resistance/continuity measurements rather than checking voltage readings, power has to be off or you may blow a fuse in the meter.

Resistance/continuity - the meter provides power to the circuit under test.

ShinAce:
You won't hurt yourself playing with a JAMMA board. However, you may destroy the very board you seek to protect.

At no time, should you allow ANY short circuits. So if you're testing 2 points close to each other on a pcb, and you slip and let both probes touch(even for a split second) you are likely screwed.

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