Yamaha DG60FX-112, Service Manual

Page: 19 / 49

DG60FX-112
19
TC74HC4040F
(
XR684A00
)
DM: IC108
B. COUNTER
TC74HC4040DT
(
XZ111A00
)
DM: IC108
12-Stage Binary Ripple Counter
74HC374DT(XZ102A00)
DM: IC301~IC307
D-FF
74HC4052DT(XZ101A00)
DM: IC308, IC309
Multiplexer
CK
1
2
3
4
5
6
7
Q12
Q12
Q6
Q6
Q5
Q5
Q7
Q7
Q4
Q4
Q3
Q3
Q2
Q2
16
15
14
13
12
11
10
VDD
Q11
Q11
Q10
Q10
Q8
Q8
Q9
Q9
CLR
CL
8
Vss
9
Q1
Q1
Input Pulses ( )
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 OUT PUT
CONTROL
2
3
4
5
6
7
8
9
10
1Q
1D
2D
2Q
3Q
3D
4D
4Q
GND 11
12
13
14
15
16
17
18
19
20
V
CC
8Q
8D
7D
7Q
6Q
6D
5D
5Q
CLOCK
1
2
3
4
5
6
7
OY
2Y
Y-COM
3Y
1Y
INH
V
EE
16
15
14
13
12
11
10
V
DD
2X
1X
X-COM
OX
3X
A
2Y
Y-COM
3Y
1Y
INH
2X
0Y
B
1X
X-COM
0X
3X
A
8
V
SS
9
B
74HCU04DT (XZ110A00)
DM: IC107
INVERTER
1 1A
2
3
4
5
6
7
1Y
2A
2Y
3A
3Y
V
SS
8
9
10
11
12
13
14 V
DD
6A
6Y
5A
5Y
4A
4Y
NJM5532M (XC011A00)
DM: IC102, IC103, IC106
OP AMP
NE5532P (IG102500)
DM: IC502
OP AMP
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
NJM4556AD (XQ824A00)
MAIN: IC501
OP AMP
1
2
3
4 -V
+V
8
7
6
5
Output A
Non-Inverting
Input A
-DC Voltage Supply
+DC Voltage
Supply
Output B
Inverting
Input B
Non-Inverting
Input B
Inverting
Input A
+ -
+ -
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
+ -
+ -
MB3790PF(XR967A00)
DM: IC4
ASSP
N.C.
V
BAT1
V
OUT
V
OUT
V
BAT2
ALARM1
GND
CONTROL
N.C.
V
IN
V
IN
V
SENSE
C
T
RESET
RESET
ALARM1
1
2
3
4
5
6
7
8
10
9
13
12
11
16
15
14
2
3
4
5
6
7
8
9
10
11
12
16
14
13
C
T
V
BAT2
V
BAT1
ALARM2
RESET
RESET
ALARM1
V
OUT
V
OUT
V
IN
V
IN
V
SENSE
CONTROL
GND
590k
Ω
240k
Ω
1.24V
Reference
Voltage
Power Supply
Circuit
S Q
R
R
CN
0.5
Ω
100
Ω
SBD
2.65V
2.37V
500
Ω
V
IN
V
IN
V
OUT
V
OUT
3
µ
A
V th:3V
V th:1.5V