Yamaha P-85 - IC BLOCK DIAGRAM

21
P-85/P-85S
IC BLOCK DIAGRAM（IC ブロック図）
74V1T08CTR (X7542A00)
DM: IC302, IC303
Single 2 Input AND Gate
1 5
2
3 4
IN A
GND
Vcc
1Y
IN B
SN74LV32APWR (X5647A00)
DM: IC106
Quad 2 Input OR
1
2
3
1A
1Y
42A
52B
62Y
7GND
1B
14
13
12
Vcc
4A
11 4Y
10 3B
9 3A
8 3Y
4B
SN74AHCT1G08DCKR (X0158A00)
DM: IC302, IC303
Single 2-Input Positive-AND Gate
1
2
3
A
B
GND
5
4
Vcc
Y
INPUTS
FUNCTION TABLE
OUTPUT
AB Y
H
L
L
H
X
L
H
L
X
TC7SET08FU (X8398A00)
DM: IC302, IC303
2 Input AND Gate
1 5
2
3
4
IN B
GND
Vcc
OUT Y
IN A
NJM4580E(TE2) (X2331A00)
DM: IC402
NJM4580DD (XM651A00)
AM: IC102, IC103
PN1: IC701
Dual Operational Amplifier
1
2
3
4-V
8
7
6
5
Output A +V
Non-Inverting
Input A
-DC Voltage Supply
+DC Voltage
Supply
Output B
Inverting
Input B
Non-Inverting
Input B
Inverting
Input A
+-
+-