— 13 —
1
3
B
E
F
C
D
4
5
9
0
A
2
6
7
8
CH1
CH1: 5 V
CH2: 5 V
CH1
CH1
CH2
CH2
CH3
CH2
CH1
CH3
CH1
CH2
CH3
CH2
CH1
CH2
CH3
CH1: 5 V
CH2: 5 V
CH1: 5 V
CH2: 5 V
CH3: 5 V
CH1: 5 V
CH2: 5 V
CH3: 5 V
CH1: 5 V
CH2: 5 V
CH3: 5 V
CH1: 20 mV
CH2: 20 mV
˜
˜
A . 1 s
A . 200 ms
A . 20
µ
s
A . 10 ms
A 1
µ
s
A 1
µ
s
1
Voltage VDD
JG connector pin 8
2
Initial reset signal
RH5VL36A pin 1
3
Power ON signal PSW
HD6433294A19F pin 5
4
APO signal
HD6433294A19F pin 59
5
Reset signal
HD6433294A19F pin 3
6
Key scan signal KC0
HG52E35P pin 44
7
Key scan signal KC1
HG52E35P pin 45
8
Key scan signal KC2
HG52E35P pin 46
9
Button scan signal KO0
JE connector pin 6
0
Button scan signal KO1
JE connector pin 7
A
Button scan signal KO2
JE connector pin 9
B
Word clock WOK1
UPD6376GS pin 13
C
Data S1 (Note OFF)
UPD6376GS pin 15
D
Bit clock BOK
UPD6376GS pin 16
E
Filter output AOR
JH connector pin 2
F
Filter output AOL
JH connector pin 1
MAJOR WAVEFORMS
Tone:
Whistle (No. 078)
Key:
A4
Touch response: OFF
Содержание WK-1500
Страница 1: ...GM SOUND KEYBOARD WK 1500 WK 1500 PITCH BEND ...
Страница 15: ... 15 SCHEMATIC DIAGRAMS MAIN PCB JCM717 MA1M 4 6 7 8 9 10 11 13 14 12 1 2 5 3 ...
Страница 16: ... 16 SUB PCB KDM717 MA2M 16 15 ...
Страница 17: ... 17 CONSOLE PCBs KDM717 CN1M CN2 CN3 CN4 ...
Страница 18: ... 18 KEYBOARD PCBs JCM762T KY1M KY2M KY3 ...
Страница 23: ...MA0900761A Sep 1996 ...