Marty:Crackling Audio: Difference between revisions

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(Created page with "== "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. thumb|Yamaha IC near bad capacitor.")
 
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[[File:YM3438 Leaking.png|thumb|Yamaha IC near bad capacitor.]]
[[File:YM3438 Leaking.png|thumb|Yamaha IC near bad capacitor.]]
== "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.
<gallery>
TL084 OP-Amp.png|TL084 OP Amp on this Marty is M91
Op-Amp Marty2.png| TL084 for this Marty revision is inside the Red box in the photo, M2.
</gallery>

Revision as of 18:04, 20 June 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.


Yamaha IC near bad capacitor.


"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.