Help, I am a moron

paul400

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i was pulling a go7 out of my super pacman when my wife came in a wanted to play ms.pac, stupid me forgot to un plug the super pac and left them on the same surge protector. i discharged the chassis........... go ahead you finish ther rest.
 
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i was pulling a *GGGGGGGGGGGGGG* go7 out of my super *AAAAAAAAHHHHHHHHH*pacman when my wife came in a wanted to play ms. *ZZZZZZZZZZTTTTTTT*pac, stupid me forgot to un plug the super pac and *GHHHHHHHHHEEYAAAA* left them on the same surge protector. i *ERRRRRRRRRKKKKKKKKK*discharged the chassis........... go ahead you finish ther rest.

Fixed your post. And you need to imagine your hair standing up and making funny faces while you say this.
 
ok guys let me be clear. my machine was off just forgot to unplug it.lol i didnt get zapped but my ms. pacman took a hit.as soon as i discharged the monitor the sound went dead on ms.pac. my wife was like what happened ? at that point all i said was F-CK!!!!!!!!!!!!!!!!!!!!!!!
 
i was pulling a go7 out of my super pacman when my wife came in a wanted to play ms.pac, stupid me forgot to un plug the super pac and left them on the same surge protector. i discharged the chassis........... go ahead you finish ther rest.

Did it feel anything like this?
 

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Let me get this straight. You discharged the G07 in one game, and the game next to it, plugged in to the same power strip, stopped producing sound.

This really shouldn't happen - the only thing I can think of that might cause this is if somehow you're missing the ground at your wall socket, so the ground pins of both games were connected to each other, but not ground. That could send a "zap" through the ground wire, raising it's voltage suddenly. If the wall socket is proerly grounded, however, this should not be able to happen.

Even then, Ms. Pac's logic board is powered by a transformer, and nowhere on the wiring diagram do I see the external ground connected to the PCB. The only thing I can think of is that the frame of the speaker is grounded. Perhaps you burned out the coil in the speaker with an arc? Unlikely, but it's the only plausible situation I can think of.

-Ian
 
OK... let me try to clear up what happened with this guy... I speak "moderate" newbese....


(I believe) the guy is saying that his wife was playing Ms. Pac while he was removing a monitor from another cabinet that was plugged in to the same powerstrip. While the game he was removing from the monitor was NOT ON, it WAS still plugged in... and on the same strip as Ms. Pac. He then describes discharging the monitor he was working on and when it discharged it also blew out the sound on the Ms. Pac.

Again... this is merely speculation at this point... but that is what my crude skills tell me he's trying to say.

;)
 
Depending on how big the discharge voltage was in the G07, it could have fed back through the ground system. This is one of the reasons I use the Tripplite ISOBars, it has internal filters between outlets to prevent this very thing.

I doubt it was coincidence that the sound went out on his Ms Pac at the exact moment he discharged it.

You could try a different speaker but its more likely you fried something on the audio amplifier circuit on the main PCB. Does moving the volume pot have any affect?
 
Good lesson here - NEVER work on a game that's plugged in. ALWAYS unplug. Takes more time to unplug before starting work, but guess who's gonna spend more time now?

Sorry to hear that Murphy got ya.
 
I agree with Retrohacker. I don't think it's possible to have the Ms. Pac sound be damaged by discharging another game nearby - unless he had his discharge wire connected to the Ms. Pac.

The Ms. Pac sound works off of the +12, which is generated through a transformer. There is no internal connection inside the transformer from the line cord and +12 wiring going to the game board.

I think it's just a coincidence. Check the fuses in the Ms. Pac and see if any are blown...
 
I agree with Retrohacker. I don't think it's possible to have the Ms. Pac sound be damaged by discharging another game nearby - unless he had his discharge wire connected to the Ms. Pac.

The Ms. Pac sound works off of the +12, which is generated through a transformer. There is no internal connection inside the transformer from the line cord and +12 wiring going to the game board.

I think it's just a coincidence. Check the fuses in the Ms. Pac and see if any are blown...

it was no coincidence cause i was hearing the sound of ms pacman as i was discharging the super pac. as soon as i saw the spark the sounds were gone on the ms pacman.
 
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