Nice try, those 2 chips are Video Ram chips they have nothing to do with audio, and many different companies supplied those chips to Nintendo, including Sony, Mosel, Victronix, and LGS. The two Sony Audio chips are near the aluminum heat sink in that board revision (they’re highlighted in first two yellow circles), and in the original SNES motherboard, the Sony chips were housed inside a removable sound module.
![10 Weird NES Facts! [Nintendo Entertainment System] | Nintendrew](http://i.ytimg.com/vi/DKOtyWggaNI/mqdefault.jpg)
Nice try, those 2 chips are Video Ram chips they have nothing to do with audio, and many different companies supplied those chips to Nintendo, including Sony, Mosel, Victronix, and LGS.
The two Sony Audio chips are near the aluminum heat sink in that board revision (they’re highlighted in first two yellow circles), and in the original SNES motherboard, the Sony chips were housed inside a removable sound module.