Help ID RayStorm Components?

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Witchboard

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I have a RayStorm board that has wavy graphics. Other than that, it seems to play fine. I think I've figured out the problem, but I'm needing help identifying a missing capacitor. I figured I'd come to the best shmups board I know to see if anybody could take a high res photo, or tell me the value of the cap and maybe ID the other component that looks a little toasty! Thanks.

Picture
 
slugnoid

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the cap seems to be 10uf 16v... the little toasty thing looks like a resistor network, but doesn't match the rest on the board, so I couldn't say for sure.
 
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Thanks. I'm presuming it's like the caps with the plastic bases around the brightness adjustment. I'll see if I can start looking for a replacement.

Brilliant! :tickled: link

The burned out component may not be necessary to replace. It looks that the only place it's going is to the video header, which isn't in use since it's going through the JAMMA connector.
 
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slugnoid

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if you flip the board over though... you'll see that the traces actually go to the jamma connector... they may be essential components
 
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Ah, good call. I had planned on trying to find out what it is. If I have to order stuff that costs me 5x the price of the component to ship, then I might as well get everything. I've checked mine with an ohm-meter and it's reporting .8 ohm. Do you get the same values?
 
slugnoid

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I'll check when I get home tonight and report back... I'm assuming you mean the resistor network? can you solder something with a pitch that fine?
 
MKL

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They're ferrite beads not resistors. You're supposed to read 0 ohm (or close) across each core.
 
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slugnoid said:
I'll check when I get home tonight and report back... I'm assuming you mean the resistor network? can you solder something with a pitch that fine?
Click to expand...

I can try. If not, I can jumper wire it to the next component. It doesn't have to look pretty, just functional. Yes, please, let me know what your resistance is. Thanks.

They're ferrite beads not resistors. You're supposed to read 0 ohm (or close) across each core.
Click to expand...

Ah, cool. If they are supposed to have no resistance, what is their purpose? Sorry to be so ignorant, but thought I may learn something here. Thanks for helping identify what it is.
 
slugnoid

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Witchboard said:
If they are supposed to have no resistance, what is their purpose? Sorry to be so ignorant, but thought I may learn something here. Thanks for helping identify what it is.
Click to expand...

They filter high freq noise... hmmm not sure if you're going to be able to find that part man... but try Digikey
 
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Hmm.. so it's basically a ferrite choke, like what's on network cables sometimes. I may be able to just bypass that single broken leg since it doesn't do anything. If it comes back and mine is running higher resistance, maybe I can take it out completely. Just brainstorming in case I can't find a replacement.
 
ttooddddyy

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Witchboard said:
Hmm.. so it's basically a ferrite choke, like what's on network cables sometimes. I may be able to just bypass that single broken leg since it doesn't do anything. If it comes back and mine is running higher resistance, maybe I can take it out completely. Just brainstorming in case I can't find a replacement.
Click to expand...

If it is measuring short circuit it is OK, anyway, it would not cause the symptom you describe even if it were faulty.
The inductors are in series with the switch inputs, so a button would not work perhaps.
 
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But this goes to what looks like an alternate video out header. I haven't had much luck finding the exact ferrite component, so maybe just the missing capacitor will resolve the issue. (crosses fingers)
 
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