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Thanks for the input. I did get to this point before taking a break and I supplied 5v to the leg but didn't remove the IC, no wonder it didn't work. Cheers.

An N64 classic with this inside would be amazing.

Still haven't been able to get this working how I would like, not only can I not fix it but I can't even seem to improve it I'm stumped. Looks like I need to go the digital audio route which hopefully sorts it. This leaves me with an issue though, the volume rocker for the audio amp I have was...

Incredibe stuff as always.

I decided to have a try with the amp powered from another source and disconnecting the controller after I got into a game, so the only connections to the mobo were the screen and everdrive. Still got noise but even more strangely the audio had another issue, the balance of dialogue and music was...

I have tried a new amp with the original headphone jack still in place and not extended off the board like the final one I plan to use and the same issue.

Good luck all!

Well I've added 4 more ground wires and shortened the ones I had to as short as I can get them and the audio sounds identical how it's been. I am absolutely stumped as to what could be the problem.

Now you mention that I did read about what he did in his thread, sounds awesome but also like a one off. It's not the stock amp from the store anyhow which is a shame. He implemented some code to get aound the N64's quirks. For my wiring it's pretty simple, just shielded wire from the U1 chip...

So I have everything wired up all nicely for audio and with or without the extra grounding from the shielded cable it still doesn't sound too hot. I recorded a bit of audio from being off, turned on, through the everdrive menu and booting to Mario64. If anyone wants a listen maybe it will be a...

The seller got back to me and said its not n64 compatible, but the listing has zero consoles listed in it. They have a note that if you don't know what this is for they have a zero troubleshooting assistance policy. So he may have been fobbing me off to avoid any further requests for assistance.

OK i figured it out, I'm back to having a bit of analogue noise I want to clean up a bit but the crazy noise I had before is fixed. I redid the cartridge relocation and took off everything, didn't fix it. I decided to take off the 9480F and wouldn't you know it the pad for pin 8 was gone. The...

It was located at a common point before the last trim. I just tried pin 3 and still the same. I was actually using pin 3 for the shielding on the audio wire to ground that there, but it didn't improve the sound. I didn't have time to do anything but relocate ground which did nothing as I...

The resistors you mention are still in place. I have used some sheilded wire taken from a brand new audio/video cable I had spare. I've also switched back to the piece of wire I was using when the signal wasn't so bad. Sound is identical. Should the amp have it's own ground or can it share with...

I've been putting on and taking off wires for the audio to try and find a solution with no hum and the interference has gotten really bad. There is now a huge amount of static, like an old TV that's barely tuned in. I can hear the game playing but the interference is louder. Is there a chance...

I'm using it with an N64. Have a look at my thread in the N64 section I have a few pictures there.

So that seller ended up being a complete bell end to deal with. No response for a week, then tells me he longer has it, then threatens me for being displeased with his service. Looking for another expansion pak now but I don't want to pay over the odds so it might take a for one to come...

I ordered one a few days ago but the seller has been silent. I may have to find someone else, that's how it goes on taobao sometimes.

Good news, back in business! I took off the everdrive, still had the short. Trimmed a bit more, still had the short. A bit more, still the short. Then a final trim and IPA wash and the short was gone. Not sure if the trim did it or all the cleaning finally dislodged something but it did the...

It's a good board, I'm using one. It's discussed in the batteries thread I believe.