Casio CTK-330 - Major Waveforms

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MAJOR WAVEFORMS
1 Clock pulse
MSM6755B-08 pin 32
2 Reset signal
MSM6755B-08 pin 35
3 APO signal
MSM6755B-08 pin 39
1
4
5
2
3
7
6
4 Sound waveform (R-ch)
MSM6755B-08 pin 44
5 Sound waveform (L-ch)
MSM6755B-08 pin 47
6 Button scan signal KO10
MSM6755B-08 pin 76
7 Button scan signal KO11
MSM6755B-08 pin 77
Tone: whistle
Key: A4
Volume:
8 LED common signal CC2
MSM6755B-08 pin 81
9 LED common signal CC3
MSM6755B-08 pin 82
8
9