Okay so i have your attention, but I am not really joking. I was reflowing solder on my Bally Motordome CPU. I was having lighting issues on some of the playfield I was hoping it was not the SCRs and I noticed some cold solder joints on the CPU so I reflowed all the connector pins on the board.

The PF lighting issues went unchanged. but now the "motor" sound it is suppose to make when then game starts sounds much like a fart.

So on the PF light issue I am going to move on and check the continuity in the wires from the PF to the CPU connectors and their respective connector pins.

But what with the fart? Which set of these CPU board pins goes to the sound board?

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