Casio CTK-511 Service Manual

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MAJOR WAVEFORMS
1 Clock pulse
MSM6755B-17 pin 32
1
2 Power source DVDD
JC connector pin 8
3 APO signal
JC connector pin 2
2
3
4 Sound waveform (R-ch) Tone: Whistle (59)
JC connector pin 5 Key: A4
5 Sound waveform (L-ch) Volume: Max.
JC connector pin 4
4
5
6 Button scan signal KO0
MSM6755B-17 pin 66
7 Button scan signal KO1
MSM6755B-17 pin 67
6
7
8 LCD common signal COM9
SED1278F0A pin 55
9 LCD common signal COM10
SED1278F0A pin 56
8
9

Casio CTK-511 Specifications

General

Brand	Casio
Model	CTK-511
Category	Electronic Keyboard
Language	English