Pcb View And Major Waveforms - Casio ML-3 Service Manual

1
2
Key scan signal KO0
1
MSM6521-13 pin39
Key scan signal KO7
2
MSM6521-13 pin46

PCB VIEW AND MAJOR WAVEFORMS

2 1
3
3
4
Sound signal output
3
MSM6521-13 pin29
Power amp output
4
AN8053N pin 1
— 9 —
4 5 6
5
6
5 Mic, amp. input
6 Mic. amp. output
T4 Emitter