Yamaha A-S501 Service Manual page 65

Integrated amplifier

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Owner's manual (39 pages)

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Table Of Contents

Table of Contents

OPERATION 2/2

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 A T I O N

s 1 1

s 1 2

s 1 3

s 1 4

s 1 7

s 2 1

s 2 2

s 2 3

s 2 5

s 2 8

s 2 9

s 3 4

s 3 5

C a u t i o n

i P o d

R 1 8

4 88

i P o d + 7 V

1 P 0 . 4 7

C B 1 7

9 86

W H

4 87

to POWER TRANSFORMER

8 28

W H

+ 7 I

AC 4 43

9 70

I G N D

P H I

D 4 S B N 2 0 - 7 1 0 1

OPERATION (8)

N O T I C E

( m o d e l )

R E S I S T O R

J A P A N

R E M A R K S

P A R T S

N A M E

U . S . A

N O M A R K

C A R B O N

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

( P = 5 )

C A N A D A

C A R B O N

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

( P = 1 0 )

G E N E R A L

M E T A L

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

C H I N A

M E T A L

F I L M

R E S I S T O R

K O R E A

M E T A L

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

A U S T R A L I A

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

B R I T I S H

C E M E N T

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

S T A N D A R D

S E M I

V A R I A B L E

R E S I S T O R

S I N G A P O R E

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

S O U T H E U R O P E

T A I W A N

R U S S I A N

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

B R A Z I L

T H A I

T L

| K ( A - S 3 0 1 o n l y ) , A B G |

C 7

W J 3 6 1 2 0

W F 0 8 1 5 0

0 . 0 4 7 / 4 0 0

0 . 0 4 7 / 6 3 0

C 1 0

W B 6 9 6 3 0

W F 0 8 1 5 0

0 . 1 / 4 0 0

0 . 0 4 7 / 6 3 0

C 1 2

W D 0 4 7 3 0

3 3 0 0 / 5 0

C 1 4

U U 2 4 9 3 3

3 3 0 0 / 2 5

D 1 5

W Y 1 6 4 3 0

U D Z V 1 5 B

J 1 0

V N 5 0 0 0 0

Q 9

W C 5 2 9 4 0

| K T C 3 8 7 5 S - Y , G R - R | K T C 3 8 7 5 S - Y , G R - R |

R 1 2

R D 3 5 7 4 7

4 7 K

R 4 5

W W 8 6 1 3 0

2 . 2

F 1

W B 2 2 1 2 0

V V 0 7 1 6 0

8 A 1 2 5 V ( A - S 5 0 1 ) |

4 A 2 5 0 V ( A - S 5 0 1 ) |

T 1

Y C 7 7 1 A 0

Y C 7 7 2 A 0

Y C 7 7 3 A 0

Y D 1 6 1 A 0

Y C 7 7 4 A 0

Y C 7 7 1

YC 7 7 2

Y C 7 7 3

Y D 1 6 1

C 6

W E 1 0 2 9 0

Z D 5 2 0 0 0

W E 1 0 2 9 0

0 . 0 1 / 1 0 0

C 1 5

W E 1 0 1 7 0

Z D 5 1 8 8 0

W E 1 0 1 7 0

1 0 0 0 P / 1 0 0

C B 2 1

Page 62

to DIGITAL_W301

X H I

Page 62

to FUNCTION (1)_W503

C A P A C I T O R

R E M A R K S

P A R T S

N A M E

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

T A N T A L U M

C A P A C I T O R

N O

M A R K

C E R A M I C

C A P A C I T O R

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

F I L M

C A P A C I T O R

A-S501

A-S301

4 7 K

Y C 7 7 4

4 50

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

C B 2

P R Y

4 66

N _ R S T

/ R E S

D 2

4 5 0 m m

4 93

1 S S 3 5 5 V M

P W R _ D E T

P D E T

4 51

t o C P U _ P C B

+ 5 M

V O U T

V D D

4 98

M G

G N D

0 0047

C E

D E L A Y

P H I

I C 1

R 1 1 9 0 H 0 5 0 B - T 1 - F

P N 1

4 66

IC1: R1190H050B-T1-FE

Voltage regulator

Thermal Protection

Vref

Short

Protection

Pin No.

Symbol

Output Pin

OUT

GND

Ground Pin

Chip Enable Pin ("H" Active)

DELAY

Delay Pin (for setting Inrush Current Limit Time)

Input Pin

M A I N T r a n s f o r m e r

( E x c e p t R L D e s t i n a t i o n )

0 V

P r i

S 1

H O T

S 2

S 3

POWER

S 4

TRANSFORMER

1 0 0 V

2 0 0 V

A - S 8 0 1

8 A 1 2 5 V

W Q 2 1 1 1 0

T 4 A L 2 5 0 V

V V 0 7 1 8 0

A - S 7 0 1

8 A 1 2 5 V

W Q 2 1 1 1 0

T 4 A L 2 5 0 V

V V 0 7 1 8 0

A - S 5 0 1

8 A 1 2 5 V

W Q 2 1 1 1 0

T 4 A L 2 5 0 V

V V 0 7 1 8 0

A - S 3 0 1

6 A 1 2 5 V

W B 2 2 1 2 0

T 2 . 5 A L 2 5 0 V

V V 0 7 1 6 0

T E 2

to AC IN

n o _ u s e

C B 4

V H I S

B E

n o _ u s e

W 1 A

W H

n o _ u s e

W 1 B

51 70

S T 3

Q 1 0

4 54

102 70

0 14

104 70

107 14

Q 1

0 14

105 13

107 14

0 0046

2 . 2 / 5 0

1 S S 3 5 5 V M

R 5

R 1 4

6 01

102 69

103 00

107 48

0 063

1 0 0

4 52

1 M

4 52

D 5

C 4

104 90

104 88

D 1 1

R 1 5

104 00

104 96

I C 2

0 067

2 2 0 K

1 S S 3 5 5 V M

104 12

104 88

104 81

105 07

E L 8 1 6 ( B )

7 . 0 S

9 15

C B 2 2

V 4 7 5 6 8 0

6 87

3 53

+ ( E x t e r n a l P o w e r D C 5 V )

0 051

I C 3

Q 9

n o _ u s e

R 1 2

Q 2

s 2 3

0 65

0 13

0 796

R 2

s 2 2

E L 8 1 6 ( B )

2 . 2 K

K T C 3 8 7 5 S - Y , G R - R

OUT

Inrush

Peak

Current

Limit

Protection

GND

DELAY

Description

A-S501/A-S301

( E x c e p t R L D e s t . )

P R I M A R Y

C 1 1

8 A 1 2 5 V(A-S501)

0 . 0 1 / 2 5 0

6.00A125V(A-S301)

R Y 1

F 1

232 0

D L S 5 D 1 - O ( M ) 0 . 2 5

C B 6

C B 7

T P 0 0 3 5 1 - 3 1

s 2 8

107 30

66 40

6 36

78 20

J : Y C 7 7 1

SUB-

U C : Y C 7 7 2

TRANSFORMER

R : Y C 7 7 3

T : Y D 1 6 1

A : Y C 7 7 4

B G : Y C 7 7 4

C 1 3

L : Y D 1 6 1

0 . 0 1 / 1 0 0

R 4 5

s 2 5

9 18

2 . 2

J 1 0

S 1 N B 6 0 = D B 1 0 5

W H 4 7 1 7 0

s 2 1

@ v a l u e

P O W E R ( 4 )

S T 2

n o _ u s e

★ All voltages are measured with a 10M Ω /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.

● 電圧は、内部抵抗 10M Ω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。

Details of colored lines

Red / full line:

Power supply (+)

Red /dashed line: Power supply (‑)

Orange:

Signal detect

Yellow:

Clock

Green:

Protection detect

Brown:

Reset signal

Blue:

Panel key input

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