Yamaha AG-STOMP GA 011589 Service Manual page 19

74HC374DT(XZ102A00)
PN: IC301~IC307
D-FF
OUT PUT 1 V
20 CC
CONTROL
1Q 2 19 8Q
Q Q
OE OE
1D 3 18 8D
D CK CK D
2D 4 7D
17
CK CK D
D
OE OE
2Q 5 16 7Q
Q Q
3Q 6 15 6Q
Q
Q
OE OE
D D
3D 7 CK CK 14 6D
4D 8 13 5D
D D
CK CK
OE OE
Q
4Q 9 12 5Q
Q
GND 10 11 CLOCK
NJM5532M (XC011A00)
DM: IC102, IC103
NJM4556AMT1 (XQ138A00)
DM: IC105, IC106
OP AMP
A OUT 1 8 V+
A IN
2 7 B OUT
B IN
A+IN
3 6
B+IN
V 4 5
74HC4052DT(XZ101A00)
PN: IC308, IC309
Multiplexer
1 16
OY V
DD
2
15
2Y 2Y 2X 2X
3 14
Y-COM Y-COM 1X 1X
4
13
3Y 3Y X-COM X-COM
5
12
1Y 1Y 0X OX
6 11
INH INH 3X 3X
7
10
V A A
EE
8 9
V B
SS
AG-Stomp
NJM072M(XC458A00)
DM: IC101
OP AMP
+DC Voltage
Output A
1
8
Supply
– +
Inverting
2 Output B
7
Input A
+ –
Non-Inverting Inverting
3
6
Input B
Input A
–DC Voltage Non-Inverting
4 –V 5
Supply Input B
19