Casio CTK-480 Service Manual

— 8 —
0.1 s
CH1
CH1 5V
BWL
20 µs
CH1
BWL
CH1 1V
10 µs
CH1
CH2
CH2
BWL
CH1 5V 5V
1ms
CH2
CH1
BWL
CH1 1V 1V
CH2
1ms
CH1
CH2
BWL
CH1 1V
CH2 1V
1ms
CH1
CH2
BWL
CH1 1V 1V
CH2
1 RESET signal
IC102 pin 1
2 Main clock pulse
MSM6755B-06 pin 32
3 Key scan signal KO10
MSM6755B-06 pin 76
4 Key scan signal KO11
MSM6755B-06 pin 77
5 Sound signal output (L-ch)
MSM6755B-06 pin 47
6 Sound signal output (L-ch)
Q109 2SC1740SQ Emitter
7 Sound signal output (R-ch)
MSM6755B-06 pin 45
8 Sound signal output (R-ch)
Q110 2SC1740SQ Emitter
9 Sound signal output (R-ch)
LA4598 pin 3
0 Sound signal output (L-ch)
LA4598 pin 12
Tone: Flute Ensemble (58)
Key: A3
Volume: 7
12
5
6
9
0
3
4
7
8
MAJOR WAVEFORMS

Casio CTK-480 Specifications

General

Brand	Casio
Model	CTK-480
Category	Electronic Keyboard
Language	English