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| 3 || Battery Vdd || || || || ||
| 3 || Battery Vdd || || || || ||
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| 4 || ?? || Square wave || 0-3.3V || || 329kHz? (undersampled?) || Square wave when screen on, but looks like vias to Speaker R
| 4 || Speaker R + || Square wave || 0-3.3V || || || Speaker Right +
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| 5 || ?? || Square wave || 0-3.3V || || 329kHz? (undersampled?) || Square wave when screen on, but looks like vias to Speaker R
| 5 || Speaker R - || Square wave || 0-3.3V || || || Speaker Right -
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| 6 || Weak GND? || || || || ||
| 6 || Weak GND? || || || || ||