Casio MA-100 User Manual download pdf (Page 8)

MAJOR WAVEFORMS

1

Clock pulse COSI

MSM6387-13 pin 8

2

3

Key scan signal KO0

MSM6387-13 pin 30

Key scan signal KO1

MSM6387-13 pin 29

4

5

6

7

Sound signal output

MSM6387-13 pin 5

Filter output

Emitter of Q201

Power amp input

LA4598 pin 6

Power amp output

LA5498 pin 3

Tone : Flute (No.13)

Key : A3

Volume : Maximum

1

2

3

4

5

6

7

50 ns

CH1: 1V

2 ms

CH1: 5 V

–

CH2: 5 V

–

~

~~

2 ms

CH1: 50 mV CH2: 0.5 V

CH1: 50 mV CH2: 50 mV

2 ms

~~

CH1

CH1

CH2

CH1

CH2

CH1

CH2

6 Power amp input

AN8053N pin 6

7 Power amp output

AN8053N pin 1

2 Key scan signal KO0

MSM6387-13 pin 30

3 Key scan signal KO1

MSM6387-13 pin 29

1 Clock pulse COSI

MSM6387-13 pin 8

4 Sound signal output

MSM6387-13 pin 5

5 Filter output

Collector of Q101

1

4

5

6

7

2

3

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