Major Waveforms - Casio GZ-50M Service Manual

1
2
CH1: 5 V CH2: 5 V
1 Voltage VDD
Emitter of Q105
2 Initial reset signal
RH5VL36A pin 1
6
7
8
CH1: 5 V CH2: 5 V
6 Word clock WOK1
UPD6376GS pin 13
7 Data SI (Note OFF)
UPD6376GS pin 15
8 Bit clock BOK
UPD6376GS pin 16

MAJOR WAVEFORMS

0.1 s
CH1
CH2
5 µs
CH3: 5 V
3
4
5
CH1: 5 V
3 Power ON trigger -NMI
HD6433298A42F pin 5
4 Power ON signal
HD6433298A42F pin 59
5 Reset signal
HD6433298A42F pin 3
CH1
9
CH2
CH3
CH1: 5 V
9 MIDI data
PC900VP pin 4
Basic channel
Note No.
Velocity
— 14 —
0.1 s
CH2: 5 V
2 ms
: 1
: 60 (C3)
: 127 (Maximum)
CH1
CH2
CH1