Yamaha UD-Stomp, Service Manual

Page: 17 / 41

UD-Stomp
17
74HC374DT(XZ102A00)
PN: IC301~IC307
D-FF
74HC4052DT(XZ101A00)
PN: IC308, IC309
Multiplexer
NJM072M(XC458A00)
DM: IC101
OP AMP
Output A
Inverting
Input A
Non-Inverting
Input A
–DC Voltage
Supply
+DC Voltage
Supply
Output B
Inverting
Input B
Non-Inverting
Input B
1
2
3
4
8
7
6
5
– +
–+
–V
NJM5532M (XC011A00)
DM: IC102, IC103, IC106
NJM4556AMT1 (XQ138A00)
DM: IC105
OP AMP
1
2
3
4
8
7
6
5
A OUT
A+IN
V+
B OUT
B+IN
A IN
V
B IN
Q
D
Q
D
Q
D
Q
D CK
OE OE
OE
OE OE
OE OE
OE
Q
D
Q
D
Q
D
Q
D CK
CK
CK
CK CK
CK
CK
1 OE
2
3
4
5
6
7
8
9
10
Q0
D0
D1
Q1
Q2
D2
D3
Q3
GND 11
12
13
14
15
16
17
18
19
20 Vcc
Q7
D7
D6
Q6
Q5
D5
D4
Q4
CP
1
2
3
4
5
6
7
E
16
15
14
13
12
11
10
8
9
2Y0
2Y0
2Y2
2Y2
2Z
2Z
2Y3 2Y3
2Y1 2Y1
V
EE
Vcc
1Y2 1Y2
1Y1 1Y1
1Z 1Z
1Y0
1Y0
1Y3 1Y3
S0
S0
GND S1
S1
E