Well I got another SNES. I took it apart, took off the on./off and reset buttons, and removed the 7805 (which I then connected to +5V from my screen. The SNES and screen's grounds are connected.
Video works perfectly (with the TV, as the screen is only being used as a power source right now) but I get NO audio. At all. Even when I hook it up to the seperate audio amp.
The same thing happened to me on one of my SNES minis, Kurt_; and the news is not good. No matter what I did, the audio wouldn't come back; I tried an audio amp, jumping the headphone pins on my PSOne screen, nothing worked; turns out the sound component (I think it was the actual IC) was damaged somehow, and didn't work. I had to get a new SNES. Good luck, but you may have the same problem as me.
The snes audio circuitry receives power from the input on the 7805 IIRC, if you are inputting 5V directly to the 7805 output, jump the input/output and it should work.
gannon wrote:The snes audio circuitry receives power from the input on the 7805 IIRC, if you are inputting 5V directly to the 7805 output, jump the input/output and it should work.
yeah you are right gannon this happened to me once before and doing exactly what you said fixed it