Yamaha A-S3000 Service Manual page 67

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Table of Contents

FUNCTION 1/2

Page 71

Page 69

to FRONT (15)_W420

to MAIN (1)_W102

t o S P R

t o M A I N R

P N 3

1 9 P S L - J E

R E S I S T O R

M G

1 9

R E M A R K S

P A R T S

N A M E

M G

1 8

N O M A R K

C A R B O N

F I L M R E S I S T O R

M G

1 7

C A R B O N

F I L M R E S I S T O R

N _ M T _ P R E

M T _ P R E

1 6

M E T A L

O X I D E F I L M R E S I S T O R

N _ M T _ R E C

M T _ R E C

1 5

M E T A L

F I L M

R E S I S T O R

+ 5 S

1 4

M E T A L

P L A T E R E S I S T O R

R Y _ B A L _ C O L D

1 3

F I R E

P R O O F C A R B O N

F I L M R E S I S T O R

R Y B 2 _ P L T Y

1 2

C E M E N T

M O L D E D R E S I S T O R

R Y _ B A L 2

1 1

S E M I

V A R I A B L E

R E S I S T O R

Page 66

F10

R Y B 1 _ P L T Y

1 0

C H I P R E S I S T O R

R Y _ B A L 1

to INPUT (3)_CB907

R Y _ B A L G A I N

R Y _ S E L _ B A L

R Y _ C D

R Y _ T U

C A P A C I T O R

R Y _ L I N E 1

R E M A R K S

P A R T S

N A M E

R Y _ L I N E 2

N O

M A R K

E L E C T R O L Y T I C

C A P A C I T O R

R Y _ M D I R

T A N T A L U M

C A P A C I T O R

- 1 2 C

N O

M A R K

C E R A M I C

C A P A C I T O R

C B 5 1 2

C E R A M I C

T U B U L A R

C A P A C I T O R

P O L Y E S T E R F I L M

C A P A C I T O R

P O L Y S T Y R E N E

F I L M

C A P A C I T O R

M I C A

C A P A C I T O R

P O L Y P R O P Y L E N E

F I L M

C A P A C I T O R

S E M I C O N D U C T I V E C E R A M I C C A P A C I T O R

P O L Y P H E N Y L E N E

S U L F I D E

1 9 P S L - J E

- 1 2 C

C A P A C I T O R

1 9

N _ M T _ M A I N

M T _ M A I N

1 8

R Y _ T C B Y P

1 7

S W _ T R E

1 6

S W _ B A S

1 5

C 8 8 7

E V _ D T

1 4

E V _ C K

1 0 P ( C H )

C 8 8 8

1 3

C 8 8 9

E V _ L B A S

1 0 P ( C H )

1 2

Page 66

D10

C 8 9 0

E V _ L T R E

4 7 P ( C H )

1 1

C 8 9 1

E V _ L C O M

4 7 P ( C H )

to INPUT (3)_CB906

1 0

4 7 P ( C H ) C 8 9 2

E V _ R C O M

C 8 9 3

E V _ R T R E

4 7 P ( C H )

C 8 9 4

E V _ R B A S

4 7 P ( C H )

M G

+ 5 S

B A L 2 _ P L T Y

B A L 1 _ P L T Y

B A L 2 G _ D E T

B A L 1 G _ D E T

C B 5 1 0

1 0 0 / 1 6

C 5 8 5

A 1 0 3 7 A K ( Q / R / S )

1 0 0 K

R 6 8 1

+5.1

R 6 7 8

3 3 0 K

1 0 0 / 1 6

C 5 8 6

R 6 7 3

R 6 7 4

+5.1

2 0 0

V +

V -

R 6 8 2

1 0 K

D 5 1 8

1 S S 3 5 5 V M

R 6 7 7

4 7 K

R B 5 0 1 V - 4 0

C 5 8 7

R 6 7 9

n o _ u s e

D 5 1 9

J K 5 0 5

D 5 2 1

1 S S 3 5 5 V M

FUNCTION (1)

D 5 2 0

C 5 8 8

M D C - 0 9 4 V - B - P P O

1 0 0 P ( S L )

SYSTEM

CONNECTOR

IC1: NJM7812FA

IC2: NJM7912FA

Voltage regulator

INPUT

R22

Q10

Q11

Q12

Q13

OUTPUT

Q14

Q16

Q20

Q15

R13

Q23

R20

Q19

R14

COMMON

Q17

R11

R12

R21

R15

Page 66

Page 69

A10

Page 71

to INPUT (2)_CB803

to MAIN (2)_W202

to FRONT (16)_W421

t o P H O N O

t o M A I N L

t o S P L

P N 2

N O T I C E

( m o d e l )

+ 5 S

J A P A N

( P = 5 )

U . S . A

( P = 1 0 )

C A N A D A

G E N E R A L

C H I N A

K O R E A

A U S T R A L I A

B R I T I S H

E U R O P E

S I N G A P O R E

S O U T H E U R O P E

T A I W A N

R U S S I A N

R 5 2 1

E X _ N _ I C

1 0 0

L A T I N A M E R I C A

I _ M T R C O N

B R A Z I L

S W _ T R E

R 5 2 2

T H A I

1 0 0

R 5 2 7

S W _ B A S

1 0 0

P R V

R 5 3 4

1 0 0

E X A D

R 5 2 3

4 0 5 1 C

1 0 0

R 5 2 8

R 5 2 4

1 0 0

4 0 5 1 B

1 0 0

4 0 5 1 A

R 5 2 9

N _ M T _ L E V _ D E T

R 5 2 5

1 0 0

R 5 3 0

N _ H P _ D E T

R 5 2 6

1 0 0

F I L M

M _ V O L +

M _ V O L -

1 0 0

R 5 3 1

1 0 0

R 5 3 2

L E D _ P W R

1 0 0

n o _ u s e

5 . 0 V

4 . 4 V

D 5 0 5

n o _ u s e

Q 5 0 2

& 7

n o _ u s e

M T _ P R E

M T _ N _ P R E

R 5 1 5

R 7 0 8

Q 5 0 3

n o _ u s e

M T _ N _ R E C

T R I G G E R _ I N

R 5 1 3

M T _ R E C

n o _ u s e

K R C 1 0 4 S - R T K / P

R 7 0 9

n o _ u s e

Q 5 0 4

M T _ N _ M A I N

R E M _ R E A R

R 5 1 4

M T _ M A I N

n o _ u s e

C 8 8 6

R 7 1 0

1 0 0 / 1 6

R 1 1 4 0

R 1 1 3 9

8 . 2 K

1 . 2 K

Q 7 7 5

C 2 4 1 2 K ( Q / R / S )

D 7 5 9

R 1 1 4 1

C 5 0 3

K R A 1 0 4 S - R T K / P

1 0 0 K

1 S S 3 5 5 V M

1 / 5 0

C 8 8 5

R 1 1 3 7

1 0 0 K

+5.1

1 0 / 1 6

+5.1

R 5 0 5

R 1 1 3 8

Q 5 3 8

1 0 K

3 3 K

K R C 1 0 4 S - R T K / P

R 6 7 0

1 S S 3 5 5 V M

1 0 K

D 5 0 1

D 5 0 3

R 5 0 4

1 S S 3 5 5 V M

1 0 0 K

C 5 0 1

R 5 0 1

1 0 0 0 P ( B )

2 . 2

n o _ u s e

C 5 0 2

R 5 8 7

R 7 1 2

C 5 9 4

2 . 2

1 0 0 0 P ( B )

n o _ u s e

C 5 3 0

n o _ u s e

R 6 6 6

R 7 2 4

2 . 2

C 5 9 5

1 0 0 0 P ( B )

S T 5 0 3

C o n t r o l I N

I R I N

I R O U T

G N D

3 . 3 V ~ 1 2 V

R e a r P a n e l

TRIGGER

REMOTE

IC504: RP130Q501D-TR-F

Voltage regulator

Vref

COMMON

Current Limit

R23

R24

Pin No.

Symbol

Description

Q25

OUTPUT

Chip Enable ("H" Active)

GND

Ground Pin

Q21

OUT

Output Pin

Q22

Input Pin

R17

R16

R18

R19

INPUT

D e s t i n a t i o n P a r t L i s t

+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - +

s X X

L O C

s 1

s 2

s 8

R 5 3 6

Writing port

Page 70

s o f t d e b u g

n o _ u s e

to FRONT (1)_CB405

to FRONT (1)_CB410

to FRONT (1)_CB406

t o F R O N T

P N 4

C 5 8 3

n o _ u s e

C 5 8 2

n o _ u s e

C 5 5 4

n o _ u s e

C 5 5 6

n o _ u s e

C 5 5 7

n o _ u s e

C 5 5 8

n o _ u s e

C 5 6 2

n o _ u s e

C 5 6 3

n o _ u s e

C 5 6 4

n o _ u s e

C 5 6 5

n o _ u s e

C 5 6 6

n o _ u s e

C 5 6 7

n o _ u s e

C 5 6 9

n o _ u s e

D 5 0 7

U D Z V 5 . 6 B

R 5 4 2

C 5 1 6

6 . 8 K

0 . 1 / 1 6

D 5 1 0

C 5 1 7

U D Z V 5 . 6 B

0 . 1 / 1 6

R 5 4 3

C 5 1 8

6 . 8 K

R 5 9 8

0 . 1 / 1 6

D 5 1 1

3 3 0 K

C 5 1 9

U D Z V 5 . 6 B

R 5 9 9

0 . 1 / 1 6

D 5 1 2

3 3 0 K

C 5 1 4

U D Z V 5 . 6 B

0 . 1 / 1 6

4 7 0 K

C 5 1 5

R 5 4 4

0 . 1 / 1 6

4 7 0 K

C 5 2 0

R 5 4 5

0 . 1 / 1 6

D 5 1 3

C 5 2 1

U D Z V 5 . 6 B

0 . 1 / 1 6

D 5 1 4

C 5 2 2

U D Z V 5 . 6 B

0 . 1 / 1 6

8 0

7 9

7 8

7 7

7 6

7 5

7 4

7 3

7 2

7 1

7 0

6 9

6 8

6 7

6 6

6 5

6 4

6 3

6 2

6 1

6 0

5 9

5 8

5 7

5 6

5 5 5 4 5 3 5 2 5 1

E X _ N _ I C

R Y _ T C B Y P

8 1

5 0

R 6 0 2

R 6 6 7

I _ M T R C O N

R Y _ B 1 _ P l t y

8 2

4 9

1 0 0

S W _ T R E

R Y _ B 2 _ P l t y

1 0 0

8 3

4 8

R 5 7 3

S W _ B A S S

R Y _ P W R 2

8 4

MICROPROCESSOR

4 7

1 0 0

P R V

N _ C E

8 5

4 6

R 5 3 9

D E S T

M T _ N _ P R E

R 6 0 4

8 6

4 5

1 0 0

R 5 4 1

1 0 0

M O D E L

M T _ N _ R E C

8 7

4 4

1 0 0

E X A D

M T _ N _ M A I N

R 6 0 5

8 8

4 3

I C 5 0 2

4 0 5 1 C

M M M C _ D E T

1 0 0

8 9

4 2

R 1 1 4 2

4 0 5 1 B

N _ E M P

9 0

4 1

Y C 8 0 6 A 0

1 0 0

4 0 5 1 A

B A L 1 G _ D E T

9 1

4 0

N _ M T _ L E V _ D E T

B A L 2 G _ D E T

R 6 0 7

9 2

R 5 F 3 6 4 A E N F A

3 9

1 0 0

N _ H P _ D E T

P W R _ M G T _ D E T

9 3

3 8

M V O L +

B A L 1 _ P L T Y

R 6 0 0

9 4

F L A S H U - C O M

: Y C 7 3 1 A 0

3 7

M V O L -

B A L 2 _ P L T Y

1 0 0

9 5

F L A S H U - C O M ( W r i t e n b y Y E M )

: Y C 8 0 6 A 0

3 6

T P 4

A V S S

N C

9 6

3 5

L E D _ P W R

W R _ B U S Y

9 7

3 4

C 5 2 6

V R E F

W R _ C K

R 6 1 0

9 8

3 3

0 . 1 / 1 6

4 7 0

+5.1

A V C C

W R _ M I S O

9 9

3 2

C 5 2 5 0 . 1 / 1 6

S T B Y _ C N T

W R _ M O S I

R 6 1 1

1 0 0

3 1

R 5 4 0

9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 2 5

2 6 2 7 2 8 2 9 3 0

4 7 0

1 0 0

C 5 2 3

C 5 8 1

0 . 0 1 ( B )

D 5 0 8

3 3 0 P ( S L )

C 5 9 6

U D Z V 5 . 6 B

C 5 2 4

1 0 P ( C H )

0 . 0 1 ( B )

D 5 0 9

U D Z V 5 . 6 B

1 0 K

R 6 0 1

R 5 6 8

n o _ u s e

X L 5 0 1

2 0 M H Z

Q 5 0 7

Q 5 1 1

Q 5 1 5

Q 5 1 9

Q 5 2 3

K R A 1 0 2 S - R T K / P & 2

K R A 1 0 4 S - R T K / P & 2

& 3

Q 5 1 7

Q 5 0 9

Q 5 1 3

& 3

Q 5 0 5

Q 5 2 1

K R C 1 0 4 S - R T K / P

Q 5 2 5

& 3

D T C 1 4 4 E K A

Q 5 0 8

Q 5 1 2

Q 5 1 6

Q 5 2 0

Q 5 2 4

K R A 1 0 4 S - R T K / P & 2

& 3

Q 5 3 7

& 3

Q 5 0 6

Q 5 1 0

Q 5 1 4

Q 5 1 8

Q 5 2 2

K R C 1 0 4 S - R T K / P

IC505: TC74HC4051AFEL

IC506: R1154H058B-T1-F

Voltage regulator

8-channel analog multiplexer/demultiplexer

Protection

COM

OUT

C IN

Vref

Short

Current

GND

Protection

Limit

Circuit

OUT

C IN

INH

Pin No.

Symbol

Description

Output Pin for Voltage Regulator

OUT

GND

Ground

Chip Enable Pin (active at "H")

NC†

No Connection

Power Supply Pin

T K

F 1

W U 5 3 6 4 0

W Q 2 1 1 2 0

W B 7 6 0 6 0

W Q 2 1 1 2 0

1 0 A 2 5 0 V

1 0 A 1 2 5 V

6 . 3 A 2 5 0 V

1 0 A 1 2 5 V

T 1

X 9 2 1 9 A 0

Y F 3 7 7 A 0

X 9 2 2 2 A 0

Y F 3 7 7 A 0

X 9 2 1 9

Y F 3 7 7

X 9 2 2 2

Y F 3 7 7

R D 3 5 0 0 0

R D 3 5 6 1 2

R D 3 5 6 6 8

R D 3 5 7 1 5

R D 3 5 7 2 4

R D 3 5 7 4 7

R D 3 5 8 1 0

R D 3 5 6 4 7

1 . 2 K

6 . 8 K

1 5 K

2 4 K

4 7 K

1 0 0 K

4 . 7 K

Page 69

to MAIN (3)_CB306

M A I N ( 3 )

P N 5

S T 5 0 2

+ 5 S

+5.0

1 0 P ( C H )

C 5 7 5

1 0 P ( C H )

C 5 7 6

C 5 5 3

4 7 P ( C H )

n o _ u s e

C 5 5 2

4 7 P ( C H )

R 6 6 5

C 5 4 9

C 5 8 0

n o _ u s e

C 5 4 7

n o _ u s e

J 5 0 4

C 5 4 5

n o _ u s e

C 5 4 2

J 5 0 5

n o _ u s e

C 5 4 0

n o _ u s e

1 0 / 1 6

n o _ u s e

C 5 3 9

n o _ u s e

C 5 7 9

C 5 3 8

D 5 1 6

C 9 0 0

n o _ u s e

C 5 3 7

n o _ u s e

C 5 3 6

n o _ u s e

D 5 1 7

L 5 0 1

B L M 2 1 P G 6 0 0 S N 1 D

I C 5 0 5

R 6 3 1

I _ L R B A L

V C C

+5.0

R 6 5 7

R 6 2 5

1 0

I _ B A S

I _ H P T R I M

E X A D

1 0

R 6 3 2

C O M

I _ S P A B

1 0

R 6 6 2

I _ S P A B

1 0

R 6 5 8

1 0

R 6 2 6

I _ T R E

I _ I S E L

1 0

R 6 3 3

I _ V O L

I _ C N T R

1 0

R 6 6 3

1 0

I N H

4 0 5 1 A

R 6 5 9

1 0

4 0 5 1 A

1 0

R 6 6 4

V E E

4 0 5 1 B

G N D

4 0 5 1 C

R 6 6 0

1 0

4 0 5 1 C

1 0

C 5 5 9

1 0 0 / 1 6

C 5 6 0

0 . 1 / 1 6

P S V A 1

P S V A 2

P R V

+ 1 2 C

- 1 2 C

R Y _ P W R 2

+5.1

R 6 1 2

R Y C _ T C B Y P

1 0 0

P W R _ D E T

R Y C B 1 _ P L T Y

N _ R S T

R 5 7 4

R Y C B 2 _ P L T Y

R Y _ P W R 1

1 0 0

R Y _ P W R 2

D B G _ N _ C E

+ 9 S

M T _ N _ P R E

R 6 1 5

M T _ N _ R E C

1 0 0

M T _ N _ M A I N

R 6 1 6

M M M C _ D E T

1 0 0

D B G _ E P M

R 6 1 7

B A L 1 G _ D E T

- 1 2 C

1 0 0

B A L 2 G _ D E T

R 6 8 5

P W R _ M G T _ D E T

1 0 0

B A L 1 _ P L T Y

R 6 0 3

B A L 2 _ P L T Y

1 0 0

D T C 1 4 4 E K A

R 6 1 9

W R _ B U S Y

& 2

Q 1

4 7 0

W R _ C K

2 . 2 / 5 0

R 6 2 0

W R _ M I S O

4 7 0

W R _ M O S I

R Y _ P W R

R 1 1 5 4 H 0 5 8 B - T 1 - F

I C 5 0 6

1 S S 3 5 5 V M

D 5 1 5

V O U T

V D D

+10.3

R 6 5 6

L 1

1 P 1 0

B L 0 2 R N 1 R 2 P 1 A

G N D

C E

N C

I C 5 0 4

R P 1 3 0 Q 5 0 1 D - T R - F

+5.8

Y C 2 8 9 A 0

Q 2

4 . 7 k

D T C 1 4 3 X K A

M G

+12.0

D T A 1 4 4 E K A

& 3

D T A 1 4 4 E K A

& 3

D T A 1 4 4 E K A

& 3

& 2

Q 5 2 9

& 2

Q 5 3 3

& 2

Q 5 2 7

Q 5 3 1

Q 5 3 5

D T C 1 4 4 E K A

Q 5 2 8

Q 5 3 2

Q 5 3 6

K R A 1 0 4 S - R T K / P & 2

& 3

P N 5 0 1

Q 5 2 6

Q 5 3 0

Q 5 3 4

K R C 1 0 4 S - R T K / P

-12.0

- 1 2 C

IC507: TC7SZ125FU

Bus buffer 3-state output

Thermal

Vcc

OUT

IN A

4 NC

GND

OUT Y

GND

★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.

★ Components having special characteristics are marked

and must be replaced

with parts having specifications equal to those originally installed.

★ Schematic diagram is subject to change without notice.

A-S3000

to POWER TRANSFORMER

T o M A I N T R A N S

R E A R P A N E L

T R A N S

G N D

S T 1

S T 2

S T 5 0 1

1 5 0 K

R 1 0

R 1

0 . 1 / 1 0 0

C 1 0

C 8

3 3 0 0 / 3 5

+19.6

-19.7

C 1 2

C 9

2 2 0 K

R 7

R 6

C 2 1

C 2 2

0 . 1 / 1 0 0

2 2 0 K

R 2 0

R 2 1

D 1 4

4 . 7 K

3 0 m A

U D Z V 3 0 B

R 2 2

E L 2 4

4 0

A E L 2 4

D 1 5

D 1 6

Q 1 0

Q 1 2

n o _ u s e

1 0 0 / 1 6

+12.0

-12.0

C 2 3

C 2 4

R 2 3

R 2 4

1 2 0 K

Q 9

P N 1

D T C 1 4 3 X K A

+5.1

D 1 0

1 S S 3 5 5 V M

D 1 2

Q 8

n o _ u s e

R 3

D 3

1 0 0

1 S S 3 5 5 V M

C 2

Power

& 1

C 2 4 1 2 K ( Q / R / S )

Q 4

Q 7

transformer

R 1 2

1 0 0

J : X 9 2 1 9 A 0

U V : Y F 3 7 7 A 0

T K A B G E X 9 2 2 2 A 0

s 2

D 7 6 6

D 7 6 5

+10.3

D 7 6 7

D 7 6 8

T 1

S U B T R

T E 1

R - 3 0 1 9 0 ( 2 7 ) 3 C

T o F R O N T

P O W E R S W I T C H

Page 70

to FRONT (14)_CB401

AC IN

IC502: R5F364AENFA

Single chip 16-bit microprocessor

Port P0

Port P1

Port P3

Port P4

Port P5

VCC2 ports

Internal peripheral functions

System clock generator

UART or

clock synchronous serial I/O

-X

Timer (16-bit)

OUT

(6 channels)

-X

CIN

COUT

Outputs (timer A): 5

PLL frequency synthesizer

Clock synchronous serial I/O

Inputs (timer B): 6

On-chip oscillator (125 kHz)

(8 bit x 2 channels)

Three-phase motor control circuit

DMAC (4 channels)

Multi-master I

C-bus interface

(1 channel)

CRC arithmetic circuit

Real-time clock

(CRC-CCITT or CRC-16)

CEC function

Voltage detecter

PWM function (8-bit x 2)

Power-on reset

Remote control signal

On-chip debugger

receiver

(2 circuits)

M16C/60 series

Memory

Watchdog timer

Microprocessor core

(15-bit)

ROM

R0H

R0L

A/D converter

R1H

R1L

USP

RAM

(10-bit resolution X 26 channels)

ISP

D/A converter

INTB

(8-bit resolution X 2 circuits)

FLG

Multiplier

VCC1 ports

Port P10

Port P9

Port P8

Port P7

Port P6

● 電圧は、内部抵抗 10MΩの電圧計で測定したものです。

●

印のある部品は、安全性確保部品を示しています。部品の交換が必要な場合、

パーツリストに記載されている部品を使用してください。

● 本回路図は標準回路図です。改良のため予告なく変更することがあります。

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