Nov
13
2006

The Omega Machine Part 3 (Xbox to Jamma)

bya Phil at 4:30 AM

Time to post again. This time Xbox to Jamma audio. We learned how to hook up video to our Jamma cab from the Xbox, but now we need a cheap way to do Audio.

XBox to Jamma Audio

There’s a cuple ways to do this, but I always strive for the easiest and cheapest mix.

Let’s take a look at where we left off. I made a better diagram of how we hooked up the video.

Now we need a cheap easy way to hook up the audio. Well one might think at first, just hook up the audio pins from the Xbox a/v cord to the Jamma board. This of course, is wrong. The audio from the Xbox is not amplified and a typical Jamma cab has no audio amplifier.

Ya could build a small audio amplifier circuit, but this is too much of a pain in the ass I think. I did it the easy way. Go down to your cheap computer store or thrift store, and pick up some old computer speakers with a built in amplifier (ie. with Volume Control).

Once ya got the speakers it’s time to do some wire splicing. You should have an “audio in” plug that normally hooks up to a PC. This must be spliced and hooked up to the Xbox cable pins.

It’s stereo so you’ll have a wire for the right speaker a wire for the left and a ground. Right is usually red, left is white, and ground is black. Just wire the right and the left together and make it mono. We will call the left and right wired together “audio+”. Your Jamma cab is probably mono. The ground will be called “audio-“.

So wire your audio+ to pin 14 and your audio- to pin 15 on the Xbox a/v cable. Oh by the way you may have noticed I’ve placed jumper wires between pins 1 and 14, and 2 and 15. Pin one is the right audio+ and pin 14 is the left audio+. Pin 2 is the right audio- and pin 15 is the left audio-. So the jumper pins just make the Xbox cable mono.

Next ya cut off the speaker without the audio amp built into it. We won’t need it.

Open the speaker with the audio amp. You’ll see two wires going to the cone speaker itself. One will probably be red or white and the other will probably be black. Cut these wires and remove the speaker. The black is usually the audio- and the red or white is usually the audio+. Solder the audio- to the speaker- pin on the Jamma board and the audio+ to the speaker+ pin on the Jamma board.

Lets take a look at the hookup with the audio and video hookup.

Now ya should have audio and video on your Jamma cab. Controls should be easy to hook up. But if you need help I’ll probably post later and show ya a cheap easy way to make some arcade controls for our Xbox to Jamma cab.

If your curious as to the restult… Take a look…

[youtube]http://www.youtube.com/watch?v=DGoQBkC6X2Q[/youtube]

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Nov
13
2006

A Hazy Day in Fuyang

bya Gabrielle at 4:18 AM

These pictures are also a wee bit old, but I need to post them before I forget why in the world I took a picture in the first place. This is the entrance to a park in Fuyang called Dongwu. It is a rather big park on the outskirts of town. It’s really quiet here. There aren’t as many taxis or cars honking their horns. In fact, there are so few that it is easy to forget that you are still in Fuyang. If you look closely, you can see a building in the distance. It doesn’t look that far away from this picture, but it’s on top of a rather large mountain/hill. Even after 8 months of walking all over Columbia, I had a difficult time walking up what seemed like the never ending stair case.

That was okay though. It gave me an excuse to stop and take pictures on our way up. The Fuchun River is hiding in the distant haze. When I took this picture, it had been hazy in Fuyang for days. I was beginning to think that I would never see blue skies or the sun again. I wish that we had climbed these stairs on a better day for the view would have been better than it was without so many clouds. I wish that because I don’t think I can make myself climb up those stairs again. I’m such a lazy butt.

A little bit further up and on the other side of the mountain is the grand ole city of Fuyang. If you look really closely you might actually be able to see it through the haze. Hehe. 🙂 I must note that it’s not always like this in Fuyang. We’ve actually had some nice days recently. The one thing that I have become aware of since I’ve been here is that I never notice the sun. I guess that has something to do with the blanket of grey that drapes itself over Fuyang and most of China. Pollution just plain sucks here. I’ll be eager to take a big breath of air when I get home.

Under construction. We climbed all the way up to this building to find nothing but a building. The view was nice, but whatever used to be inside the building was gone. The only thing it had to offer was dust bunnies. We sat up here and rested until it started to get dark. Right before we headed back down the lights for the building came on. It made it very beautiful. At night, even from where we live, we can sometimes see the lights shimmering on the mountain top.

What a place to live, huh? I’m sure some of the people living in those apartments get pretty nice views. Most of Fuyang is flat, but we are pretty much surrounded on all sides by mountains. I don’t know why, but it’s not until I actually get up on a mountain and look down that I realize that that they are there. Phil and I are thinking about buying a motor scooter – sorta like a moped. It would make exploring Fuyang a lot easier. Then I could drive up most of the hilly sections of Fuyang without losing my breath or my energy. But we have to make sure we have the money for that.

I still have to post the zoo pictures. I promise to get to them soon. I found out tonight that I don’t have school all week. That means I will have all sorts of time to fiddle with blogger. Until the, later.

Categories: China,Chinese,Fuyang
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