More troubleshooting...
Though I just purchased the Pinsound NEO, I downloaded the firmware update and did that.
I have a Lethal Weapon 3 pinball, so I downloaded the sound file for that, and everything worked perfectly.
INTERNAL FIRMWARE REVISION
------------------
0077
PACKAGES
------------------
Lethal_Weapon_3_1992 (active)
PINSOUND FIRMWARE VERSION
------------------
21.01.3
(This is from the Diagnostic file off the thumb drive after the Pinsound NEO successfully worked with the Lethal Weapon 3 file)
After the successful test of