LM2904
From SnesLab
The LM2904 is a dual op-amp chip, which the 1st revision SNES has two of. These are the circuits they serve and their locations:
- the Pre-Amplifier, on the SHVC-SOUND Daughterboard
- the Post-Amplifier, on the SNES motherboard
References
- See note straddling regions D5 and D6 of the jwdonal schematic