Hi,

I bought a Street Figher CE last year and it works well. Subsequently, I have bought 3 PCBs with various levels of success.

Double Dragon - works pretty well. The graphics sometimes get a little screwy like the connection isn't totally clean. I've scrubbed the darn board a few times with minimal results. But at least it's working.

Silent Dragon - works perfectly.

Time Soldiers - it's a vertical game and it plays vertically but the picture constantly flips like the V hold is off on an old tv. I wasn't sure if I needed a vertical monitor for this game so I didn't worry about it. But now I believe it shouldn't be doing this?

Anyway, I just bought a Wonder Boy in Monster Land PCB with Jamma adapter from a very reprutable Ebay seller. I've scrubbed the board and yet I can't get it to work. The best I can do is a very, very snowy picture that's constantly resetting. I contacted the seller and he says the game should be working and to send it back to him and he'll either fix it or refund my money.

He asked if my power supply was between +4.8 and +5.0. I have no idea. I looked inside my cabinet and I think I found the PS but I'm not sure how to read it. I'll attach a pic (soon) so hopefully someone can tell me what I'm looking at.

Does anyone have a horizontal Jamma cabinet in the Ottawa region that we can test my boards in? I want to be confident the PCB for WB is in fact not working before I send it back.

Any help or suggestions would be much appreciated.

PS here's the ebay auction

http://cgi.ebay.com/Sega-origi.....QQrdZ1QQcmdZViewItem

Message sent Jason,

Craig in Ottawa

I took a pic of what I think is the power supply and since my camera sucks I wrote in the numbers.

Is this normal? Should my cab be able to play all standard resolution jamma games?

Thanks

And what does that turning knob on the right do?!!

Buy a digital multi-meter, set it to DC and touch the black lead to the GND and the red lead to the +5v with the game on. It will tell you how close to +5v you are and you can use the dial on the power supply to adjust accordingly.

The trouble you're having could very well be linked to low (or high) voltage problems. This is very basic troubleshooting for video arcade and pinball machines and tackling these sorts of minor challenges is a requirement if you intend to maintain your own machines.

EDIT: Bear in mind that higher voltages can quickly damage IC's. A reading of anything over 5.5v from the 5v terminal on your power supply can cause much larger issues on your gameboards. Don't haphazardly turn the knob on your PS.

Providing that your power supply is good and well adjusted to +5V,
along with proper Jamma adaptor/wiring for this non-jamma Sega
system 8 'Wonder Boy in Monster Land' PCB, your current set-up
should work (I think; I am not an expert at vids).

Your power supply has all the correct voltages for this board,
according to this pinout page:
http://www.arcadegeek.co.uk/node/204

Cheers,
- Sylvain.

Thanks.

I haven't touched the dial yet. I'm kinda scared to touch anything! It looks like a mad scientist connected all the buttons and joysticks...

I'll buy the digital multi-meter pronto.

While I'm at it, is there anything else I should be getting for basic troubleshooting?

Quoted from cooke

Buy a digital multi-meter, set it to DC and touch the black lead to the GND and the red lead to the +5v with the game on. It will tell you how close to +5v you are

Do this on the PCB itself too...

There might be some connection problem with the wiring or harness
and you could be getting less than 5V on the PCB.

GND is pretty easy to find on the board.
It's usually a big thick trace all around the PCB
and often has holes for the mounting screws.

For the +5V, these are standard pins for JAMMA,
so you should be able to find where they go on the PCB.

Good Luck.

Steph

The wonder boy could also use a different sync..

See here:http://arcadecontrols.com/BBBB/sync.html

Quoted from jasonw

I'll buy the digital multi-meter pronto.

While I'm at it, is there anything else I should be getting for basic troubleshooting?

A DMM should help with 90% of all troubleshooting.
It's certainly the single most important test device.

They easily range in price from $30 to $300+.

FLUKE is by and large the best ones out there, but they are very pricey .
(...they are auto-ranging which means you can't really overload them )

For a starter DMM, I've seen a decent one at Princess Auto for about $40.
It's not auto-ranging, but still has many features , and a nice big display.

Cheers,
Steph

Quoted from Steph

Do this on the PCB itself too...

Good advice. Voltage can also drop slightly between the power supply and the board, so measuring at the board is more accurate.

To replace my old non-auto-ranging DMM, I recently purchased a Mastercraft auto-ranging DMM on sale at Canadian Tire for $20 (marked down from $80). It works great. It's no Fluke, but it does the job just fine and the auto-ranging is a very nice feature.

Thanks for all the tips.

I bought the DMM at Canadian Tire. Fortunately it was on sale and autoranging so I figured it was the best way go. (It's now only 30 bucks if anyone else needs one)

http://canadiantire.com/browse.....&fromSearch=true

The good news is the cab was set at 5.07. The bad news is that when I turned it down to 5.00 predictably there wasn't any change.

I'll try checking the PCB next.

Quoted Text

Do this on the PCB itself too...

There might be some connection problem with the wiring or harness
and you could be getting less than 5V on the PCB.

GND is pretty easy to find on the board.
It's usually a big thick trace all around the PCB
and often has holes for the mounting screws.

For the +5V, these are standard pins for JAMMA,
so you should be able to find where they go on the PCB.

OK I've figured out the ground but I'm not sure about where the +5V is.

Are "standard pins" what the jamma harness connects to? Should I be touching the DMM to the one of these that is +5V?

That's my best guess.

Unfortunately, the game is NON JAMMA but it came with an adapter. I guess my next step is to find out which of these "standard pins" is +5V on the Wonder Boy in Monster Land PCB.