Popeye Wiring/Grounding Work

Sbeehive

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Hey all,

Got a Popeye that works well but some of the grounding wires in the cab were flailing about in the cab when I got it home. I've been searching KLOV for some wiring pics but only was able to find the proper location of one of these wires. Does it matter where I ground this loose wire? Here are some pics:





Also, as with everyone else's Popeye- my power cord's ground was ripped off. I wanted to just buy a replacement cord at Home Depot and add add a ring tongue to the ground/ put the other 2 wires in the original Molex connector. I'm wondering if the power cord's molex connector can be salvaged (can I rip the original power cord's wires out and just put the new ones in?) or do I need to snag a new one.

The game runs with an audible buzzing- and I'm thinking the lack of proper grounding is causing it.

Thanks for your help!

Sbeehive
 
there a AUDIO BOARD on the side of the monitor. could just need to be recap i would try that.
 
anything metal has a ground control panel coin door monitor chasis transformer on off switch as for the buzzing nintendos do have a buzz even with all the grounds hooked up
 
Thanks for the reply all. Yeah I'm not too familiar with the original nintendo machines so I'm unsure if the buzz is normal or a bit too much. The buzz doesn't change regardless of volume. I built a new power cord which didn't fix it. Tomorrow I'm gonna work on the grounds with probably the same result.

If the hum doesn't change with the volume is that non-standard?

Thanks all,

Sbeehive
 
The green wires are for ac ground or safety ground. They are attached to any metal parts that a player can touch with the potential to short and get a shock. On a Nintendo cab it's coon door, speaker grill, control panel and monitor (the mounting bolts go through the sides).

The audio buzz is most likely the audio amp in need of rebuild. Every single Nintendo game I've come across buzzes but recapping the sound amp minimizes it. - Barry
 
The green wire also runs to the switcher and iso as well as all the others mentioned.
 
Thanks for the replies all. Definitely gonna get the audio amp recapped. Couple of questions

1) What is the name of the cap kit I need to get from Bob Roberts? I keep looking but can't quite navigate his site too well.

2) My Peter Chou switching PSU is missing a screw for the FG terminal. Can I just get any old screw and have it conduct or do I need a special kind of grounding screw?

Also the monitor on my Popeye is from a cocktail cab. Looks about the same as the original - but I'm no expert on Sanyos. Does this one look different?

Thanks all,

Sbeehive
 
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I would think a screw that is the proper thread and length would suffice.
Here is bob's Nintendo audio board repair kit. scroll down to find it.http://therealbobroberts.net/caps.html
Just copy and paste it in an email along with quantity and address to bob.
If you need other stuff then copy and paste it in the email also.
He will get back to you with a total price including shipping.
 
Just an update:

Capped up the audio board and it sounds much better now. There's still a definite hum- but it's more along the lines of a normal Nintendo hum versus a booming catastrophe.

Thanks for the help all.

Sbeehive

PS: In this scenario proper grounding made absolutely no difference in sound quality. However, it was still necessary for safety reasons alone.
 
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