Yamaha GA 011589 service manual IC Block Diagram, Assp

AG-Stomp

IC BLOCK DIAGRAM

MB3790PF(XR967A00)

DM: IC4

ASSP

V IN 14

R CN

0.5Ω

3

V OUT

V IN 13

100Ω

4

V OUT

N.C.

1

16

CONTROL

CONTROL 16

SBD

590kΩ

Reference

2.65V

V IN

V BAT1

2

15

N.C.

Voltage

1.24V

6

ALARM1

Power Supply

V OUT

3

14

V IN

500Ω

Circuit

V OUT

4

13

V IN

3∝A

V IN

V SENSE 12

S

Q

2.37V

7

ALARM2

V BAT2

5

12

V SENSE

ALARM1

6

11

C T

R

V OUT

ALARM1

7

10

RESET

240kΩ

9

RESET

GND

8

9

RESET

V th:3V

V OUT

10

RESET

V th:1.5V

GND 8

11

5

2

C T

BAT2

BAT1

V

V

74AHC32DT(XZ103A00)

74HC08DT(XZ108A00)

74HC175DT(XZ113A00)

DM: IC5, IC6

DM: IC7

DM: IC110

OR

AND

Quad D-Type Flip-Flop

1A

1

14

VCC

1A

1

14

VDD

CL

1

16

VDD

1B

2

13

4B

1B

2

13

4B

1Q

2

Q CL

C LQ

15

4Q

CK

CK

1Y

3

12

4A

1Y

3

12

4A

1Q

3

Q D

D Q

14

4Q

2A

4

11

4Y

2Y

4

11

4Y

1D

4

13

4Q

2B

5

10

3B

2A

5

10

3Y

2D

5

12

3D

2Y

6

9

3A

2B

6

9

3A

2Q

6

Q D

D Q

11

3Q

CK

CK

7

GND

8

3Y

7

Vss

8

3B

2Q

7

Q CL

CL Q

10

3Q

Vss

8

9

CK

74HC244DT(XZ109A00)	74HCU04DT (XZ110A00)	TC74HC4040F(XR684A00)
DM: IC14, IC15, IC16	DM: IC107	DM: IC108

Bus Buffer

1G 1

1A1 2

2Y4 3

1A2 4

2Y3 5

1A3 6

2Y2 7

1A4 8

2Y1 9

(GND)Vss 10

INVERTER

20 VDD(Vcc)

1A 1

19 2G

1Y 2

18 1Y1

2A 3

17 2A4

2Y 4

16 1Y2

3A 5

15 2A3

3Y 6

14 1Y3

7 VSS

132A2

121Y4

112A1

12-Stage Binary Ripple Counter

14	VDD	Q12	1	Q12		16	VDD
13	6A	Q6	2	Q6	Q11	15	Q11
12	6Y	Q5	3	Q5	Q10	14	Q10
11	5A	Q7	4	Q7	Q8	13	Q8
10	5Y	Q4	5	Q4	Q9	12	Q9
9	4A	Q3	6	Q3	CL	11	CLR
8	4Y	Q2	7	Q2	CK	10	Input Pulses (	)
		Vss	8		Q1	9	Q1

18