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Title: Hum Noise Post by: slot one on March 09, 2012, 12:31:24 AM I installed three simm sound cards [42] in three IGT machines, set up sounds and now all three machines now have a loud hum from speakers. And suggestions Thanks
Title: Re: Hum Noise Post by: FORDSBS on March 09, 2012, 12:37:23 AM I put 504 board in mine. Some use resistors.
Title: Re: Hum Noise Post by: Yoeddy1 on March 09, 2012, 12:37:34 AM Take a look at this sticky topic:
http://newlifegames.net/nlg/index.php?topic=145.0 (http://newlifegames.net/nlg/index.php?topic=145.0) A 504 version B MPU will resolve this or you can try the resistor modification if you have a revision A board. Thanks, Jason |