Yamaha QY100 Service Manual page 17

TC74VHC244F(XT800A00)
TC74VHCT244AF-EL(XU230A00)
DM: IC12, 41
Buffer
1G 1 20 VD(Vcc)
1A1 2 19 2G
2Y4 3 18 1Y1
1A2 4 17 2A4
2Y3 5 16 1Y2
1A3 6 15 2A3
2Y2 7 14 1Y3
1A4 8 13 2A2
2Y1 12 1Y4
9
(GND)Vss 10 11 2A1
TC7WH32FU(XY36A00)
DM: IC14, 15, 36, 40, 45
OR
Vcc
IN A 1 4
IN B 2
Vss 3 5 OUT
NJM4556AMT1(XQ137A00)
DM: IC30
Operating Amplifier
+DC Voltage
Output A 1 8
Supply
Inverting
2 7 Output B
Input A
- +
Non-Inverting Inverting
3 6
+ -
Input B
Input A
Non-Inverting
Ground 4 5
Input B
TC74VHC273F(EL)(XY254A00)
DM: IC13, 19
Octal D-FF
CLEAR 1 V
20
CC
1Q 2 19 8Q
Q Q
CL CL
D CK CK D
1D 3 18 8D
2D 4 7D
17
CK
D CK D
CL
CL
Q Q
2Q 5 16 7Q
3Q 6 15 6Q
Q Q
CL CL
D CK CK
D
3D 7 14 6D
4D 8 13 5D
D
D CK CK
CL CL
Q Q
4Q 9 12 5Q
GND 10 11 CLOCK
TC74VHC32F(EL)(XY537A00)
TC74VHCT32AFT-EL(XZ372A00)
DM: IC14, 15, 36, 40, 45
OR
1A 1 V
14
CC
1B 2 13 4B
1Y 3 12 4A
2A 4 4Y
11
2B 5 3B
10
2Y 6 3A
9
7 GND 8 3Y
UPC4570G2(XF291A00)
DM: IC31, 51
Operating Amplifier
+DC Voltage
Output A 1 +V 8
Supply
Inverting
2 7 Output B
Input A
- +
Inverting
Non-Inverting
3 6
+ -
Input A Input B
Non-Inverting
-DC Voltage Supply 4 -V 5
Input B
TC7W74FU(XN243A00)
DM: IC39
D-FF
CK 1 8 V
CC
__
PR
D 2 7
___
_
Q CLR
3 6
GND 4 5
Q
M5216FP-600C(XP263A00)
DM: IC30
Operating Amplifier
+
OUT 1 8 V
1 CC
IN 2 7 OUT
1 2
+
+
IN 3 6 IN
1 2
+
+
V 4 5 IN
CC 2
QY100
17