Kangaroo sound issue I need your help!

MIKE96

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Hi, I have none of the game sounds just a very low buzzing sound with an occasional bumping/popping sound. I tried uplugging reconnecting everything, tried resetting the sound chip on the board, tried adjusting the sound pot in the coin door and still the same thing.
any help will be greatly appreciated.
thank you
 
Mine does the same thing. I rebuilt the ARII and replaced the big blue but the problems still there. I havent replaced caps on the pcb yet.
 
Last edited:
If you have an oscilloscope or a logic probe that has audio sounds then you can check the outputs of the sound ICs to see if they are outputting audio. If they are, then the problem is between the sound IC's output and the speaker.

You can then check each stage beyond the chip's output to see where the audio stops.
 
Radio Shack, mouser.com, newark.com, etc...

You can also check around to see if there are any electronic surplus stores around you.

RJ
 
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