Ic Block Diagram - Yamaha DG-Stomp Service Manual

DG-Stomp

IC BLOCK DIAGRAM

MB3790PF(XR967A00)
DM: IC4
ASSP
N.C. 1
V BAT1 2
V
OUT 3
V
OUT 4
V
BAT2 5
ALARM1 6
ALARM1 7
GND 8
74AHC32DT XZ103A00
(
DM: IC5, IC6
OR
1A 1
1B 2
1Y 3
2A 4
2B 5
2Y 6
7 GND
74HC244DT(XZ109A00)
DM: IC14, IC15, IC16
Bus Buffer
1G 1
2
1A1
3
2Y4
1A2 4
5
2Y3
1A3 6
7
2Y2
8
1A4
9
2Y1
(GND)Vss 10
18
V 14
IN
V
13
IN
CONTROL 16
16 CONTROL
590k
15 N.C.
1.24V
V
14 IN
V
13 IN
V 12
SENSE
V
12 SENSE
11 C T
10 RESET
240k
9 RESET
GND 8
74HC08DT(XZ108A00)
)
DM: IC7
AND
1A
V
14
CC
1B
13 4B
1Y
12 4A
2Y
4Y
11
2A
10 3B
2B
9 3A
8 3Y
74HCU04DT (XZ110A00)
DM: IC107
INVERTER
20 VDD(Vcc)
1A
19 2G
1Y
18 1Y1
2A
17 2A4
2Y
16 1Y2
3A
15 2A3
3Y
14 1Y3
13 2A2
12 1Y4
11 2A1
R 0.5
CN
Reference
Voltage
Power Supply
500
Circuit
3 A
S Q
R
V th:3V
V th:1.5V
11
1 14 VDD
2 13 4B
3 12 4A
4 11 4Y
5 10 3Y
6 9 3A
7 Vss 8 3B
1 14 V
DD
2 6A
13
3 6Y
12
4 5A
11
5 5Y
10
6 4A
9
7 V 8 4Y
SS
3 V
OUT
V
100 4
OUT
SBD
V
IN
2.65V
ALARM1
6
V
IN
2.37V 7 ALARM2
V
OUT
9
RESET
V
OUT
10 RESET
2
5
74HC175DT(XZ113A00)
DM: IC110
Quad D-Type Flip-Flop
CL 1 16 VDD
1Q 2 15 4Q
Q CL C LQ
CK CK
Q D D Q
1Q 3 14 4Q
1D 4 13 4Q
2D 5 12 3D
2Q 6 11 3Q
D D
Q Q
CK CK
Q CL CL Q
2Q 7 10 3Q
Vss 8 9 CK
TC74HC4040F XR684A00
(
DM: IC108
12-Stage Binary Ripple Counter
1
Q12 16 VDD
Q12
2 Q11 15
Q6 Q11
Q6
3
Q10 14
Q5 Q10
Q5
Q8
Q7 4 13 Q8
Q7
5 Q9 12
Q4 Q9
Q4
6
11
CL
Q3 CLR
Q3
CK
7 10 Input Pulses
Q2
Q2
8 Q1
Vss 9 Q1
)
( )