Casio CTK-501 Manual de usuario descargar pdf (Pagina 10)

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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

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