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If you are not going to use the headphone jack, you need to solder the headphone left, right and switch (pin 5,6,7 on the right connector - the one with 10 pins) together. This is because the headphone switch (which detects if a headphone is inserted) otherwise thinks you're listening to headphones ...

Update: Further testing shows that all buttons are being held at logic low voltage (ground) i.e. they're being depressed.
This holds for all games I've tested and while the controller is unplugged.

Also, using a DMM to compare the two controller port inputs shows that the data input on controller 1 ...

Here is a question for you: are you planning on using headphones? If not, you can connect the HP_R, HP_S, and HP_L pads on the back of the board near the bottom. If you hadn't done this already, I believe your board won't output audio.

If you are planning on using headphones, I suggest ...

I cut up and hooked up a controller to the snes mini, which originally had worked, but after I relocated the cart slot (which worked - yay!), the controller doesn't work anymore (no input allowed). Also (when playing super mario world, for example), the game starts up and goes straight to the file ...

Tibia wrote:How many times have you seen "Six Million Dollar Man"?

Way too many. I loves me some 70's cheese.

lovablechevy wrote:finish mounting on/off switch

I'm curious as to how you're executing this. Is the switch 3-way (off-Nes-Snes)? Or do you have a separate switch that changes the system being used?

Handyduo; a portable barely alive.
Gentlemen, she can rebuild it. She has the technology. She has the capability to build the world's first (except I don't believe it is anymore) portable Retroduo. Handyduo will be that portable. She can make it better than it was before. Better, stronger, cooler ...

Ok, I figured it out after some testing. The extra cable is an extra data cable.

Here is a pic: Cables are labeled as they come from the controller.

Does anyone happen to know the pinout for the FC Twin controller?
I'm not actually using the controller, just was testing with it and didn't work properly.
The ground and Vcc would be the same, as would the data clock and the P/S, but there are two more cables in the controller and only one would be ...

Well, I did that and I'm not sure if it worked. My backlight from the LED mod works (which is good) and the sound works (which means the game is on) but I don't get video output.
Also, I could have messed things up fooling around with the surface mount resistors.

Double thanks! I'll give that a try.

Can somebody measure the resistance of RV2, which is where you solder on composite video in (see pic - credit goes to Erlex).
I seem to have misplaced my DMM.

The chip isn't broken, but the lead is practically gone. Here is a picture of the problem.
Which would be better: mono audio or hooking up both speakers to the right?

Also, where would I get a chip like that?

Broke off the chip.

I was attaching the left audio wire to the Snes mobo (and having a hell of a time doing it) when the lead on the IC came off with the solder.
I'm not really an expert on soldering, so is there any hope that I can still have audio on the left?
If not, what is my best plan of action?

Sweet! Just what I needed!
Thanks to you for the link and thanks to Erlex for making that.
Back to work, then!