Marty:Crackling Audio: Difference between revisions
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== "All audio is static like and even crackling" == | == "All audio is static like and even crackling" == | ||
Very common issue. | Very common issue. Capacitor near Yamaha IC has spilled. It's the 470uf, 10V capacitor. Replace it and the audio becomes clear. In this board revision, it's C22. | ||
| Line 9: | Line 9: | ||
== "I have to turn my sound all the way to maximum to hear BGM Audio" == | == "I have to turn my sound all the way to maximum to hear BGM Audio" == | ||
OP-Amp failure in the sound circuit. | OP-Amp failure in the sound circuit. It isn't capacitors. It's an IC labeled TL084. | ||
After changing the op-amp, burn a copy of Tatsujin Oh and go to the options menu. | After changing the op-amp, burn a copy of Tatsujin Oh and go to the options menu. There is a BGM audio sound test you can use to confirm if the problem is fixed or not. | ||
Latest revision as of 04:46, 29 July 2022
"All audio is static like and even crackling"
Very common issue. Capacitor near Yamaha IC has spilled. It's the 470uf, 10V capacitor. Replace it and the audio becomes clear. In this board revision, it's C22.
"I have to turn my sound all the way to maximum to hear BGM Audio"
OP-Amp failure in the sound circuit. It isn't capacitors. It's an IC labeled TL084.
After changing the op-amp, burn a copy of Tatsujin Oh and go to the options menu. There is a BGM audio sound test you can use to confirm if the problem is fixed or not.
TL084 OP Amp on this Marty is M91
TL084 for this Marty revision is inside the Red box in the photo, M2.
