nesdev.org

I replaced the 7404 with the 7404 on the NES donor board I've been using as basically parts. Still no sound. To say the least, I put a 14 pin socket in so if that chip is fine, I'll just toss it back in. However, I'm not getting audio out of pin 10 here either. Slim to none chance that both of these...

My logic probe just emits a lo squealing tone on pins 11 and 10 on the 7404, but yeah, no output for audio on 10. Just 11, which yeah, I looked up the pinout then was like, oops.

Even if I'm getting audio out of the 11th pin from it?

Im getting audio out of pin 11 on the 74HCU04P ic

Alright, I've got it down to what I believe is R6, the 47K resistor, I'm able to get audio from the side leading into it, but none out of the other side. I know you said quiet, but I hear nothing. I can get the jumping sounds of SMB, the music all wrapped into there when I touched the audio wire to ...

lidnariq wrote:It'll get real quiet in places.

So the quietness isn't an indicator of a problem, just wait until it's gone.

Nix that, I did get audio out of pin 1 and 2, I derped and didn't use the video input on my TV lolol.. so Im like, oh, wait, bone head. Any ideas on how I should proceed from here?

No audio with either CPU I exchanged, and I know one of them is DEFINITELY not broken. However putting the multimeter to pin 1 and pin 2 I get some voltage out of pin 2 but not pin 1, any thoughts?

I got an NES here that has no audio, either RF or RCA, I think something MAY have shorted. Originally it had no video either, but I installed a 40-pin socket for both the CPU and PPU and the new PPU produced video, pretty much ensuring that there was some sort of power problem, also it was getting p...

I can report that my experience with the connector has been surprisingly good. I installed it on my NES, bending the pins 90 degrees so it's now sort of a top-loader. Of the 20 or so carts I had sitting nearby, every one of them worked on the first try. That includes sliding them towards either sid...

Hmph, I ended up cannibalizing the game genie because I didn't like that solution. I'm concerned for the integrity of the connector and my ability to dremel it in half and not screw it up lol. I bought another game genie today to replace it anyways. Thank you.

I read in numerous places that the slightly off pitch wouldn't be a problem using this slot as a replacement for the NES, but looking at the pins and an NES cart this problem is accumulative and is absolutely a problem causing the cart insertion to cross pins, While getting the pins of the slot conn...

Got it working. Super cool!

Thanks again. )

lidnariq wrote:Both are fine; the NES is slow enough that soldering location approximately doesn't matter.

Thank you I'll have to get this done in the morning, I'll letcha know if all went well

lidnariq wrote:You can look at your own board and see they're connected :p

Yeah I see the connections but I was unsure if it mattered which one I connected the 3rd connection to or if it would just be fine either way.