S-2000 Red White and Blue sound issues

[Rpowell18]

i have a s-2000 Red White And Blue with a S+ reel chip and a emulator chip so it will work on a S-2000 Machine..It was put in at some casino because of the security seal was not broken on the Chips..I it sounds fine and pays as it should..i put on a enhanced board and you can play enhanced sounds but with a humming sound ...I read that in some cases that this emulator chip will cause this..i was able to find the right reel chip this S-2000..Is the problem with the S+ chip running on the S2000 emulator since the S= never had enhanced sound..When the reels light up the humming stops..Changed the board and put the chips on it and the humming is still there as before...thanks

[Rpowell18]

thesis the chip i am using

[qbert]

This is a known issue on S2000 with enhanced sound and backlight reels.
The issue is the MPU the only real fix is to use a 504 rev B MPU. This will remove the hum.
http://newlifegames.com/nlg/index.php?topic=21511.0

[Rpowell18]

I was using the 504 b boards and had the same results

[qbert]

Strange  send pictures of board with chips.

[Rpowell18]

i put them back onto the original board since there was the same results....it will play non enhanced sounds without humming ..with the enhanced board it will play enhanced sounds with humming but when the reels would light up the humming will stop and it plays sounds clear,then you play the game again the humming will start until the reels would light up when a payout happens...again humming stops...the reel chip is from an S+ and that is why i think it has something to do this the s+ chips not have enhanced sounds but the game chip is from a s2000

[RB]

That is not a 504B board in the picture. Looks like a 501.

[Rpowell18]

it was ..sorry..i was reading the list of enhanced sound machines any my machine is not on the list for enhanced anyway..thanks again