Major Waveforms - Casio CTK-330 Service Manual

1
1 Clock pulse
MSM6755B-08 pin 32
4
5
4 Sound waveform (R-ch)
MSM6755B-08 pin 44
5 Sound waveform (L-ch)
MSM6755B-08 pin 47
8
9
8 LED common signal CC2
MSM6755B-08 pin 81
9 LED common signal CC3
MSM6755B-08 pin 82

MAJOR WAVEFORMS

Tone: whistle
Key: A4
Volume:
— 7 —
2
3
2 Reset signal
MSM6755B-08 pin 35
3 APO signal
MSM6755B-08 pin 39
6
7
6 Button scan signal KO10
MSM6755B-08 pin 76
7 Button scan signal KO11
MSM6755B-08 pin 77