Casio CTK-220L manual Major Waveforms

MAJOR WAVEFORMS

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3

2

1 APO signal	3 Clock
MSM6755B-13 pin 39	MSM6755B-13 pin 32
2 Reset signal
RH5VL40AA pin 1

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4

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4 Sound signal	5 LED drive signal LX0
JH connector pin 2	MSM6755B-13 pin 88
	6 LED drive signal LY1
	MSM6755B-13 pin 81
Tone: Whistle (59)	Key: D4
Key : A4

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