I recently put an ISP V3 screen in one of my DMGs and everything was fine for a bit, but the other day I noticed my DMG was having weird sound issues when I was using jsdj. When I had the WAV and NOISE channels running together I noticed that the NOISE channel was at a high volume even when when envelope was set to 1X, and every time a kick on the WAV channel hit a weird pitched tone cuts through everything. Each channel is fine when played separately and Ive never had this problem before. I checked with another one of my unmodded DMGs and it sounded like it was supposed to. anyone know whats going on?
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Sounds like the bug in the DMG's CPU. What board revision is your DMG? DMG-02/03? Will say on the bottom of the back of the motherboard, visible through the battery compartment.