Yamaha RX-V675 Service Manual page 141

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Contents
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Table of Contents

RX-V675/HTR-6066/TSR-6750

MAIN 1/2

56.0

55.0

Q 1 0 1 5

A 9 4 9 ( O / Y )

Q 1 0 2 2

CENTER

s 4 2

C 1 0 3 6

C 4 1 1 5 S

Q 1 0 0 1

Q 1 0 0 2

C 1 0 0 1

R 1 0 0 1

R 1 0 4 3

1 / 2 P 1 . 0 K

1 P 3 3 K

s 3 8

C 3 9 0 6 K T 1 4 6 ( R , S )

R 1 0 1 5

3 3 K

Q 1 0 2 9

R 1 0 7 1

A E

4 7 K

-0.6

1 0 K

R 1 0 5 7

-12.4

-56.0

Q 1 0 1 6

A 9 4 9 ( O / Y )

Q 1 0 2 3

FRONT L

s 4 2

C 1 0 3 7

C 4 1 1 5 S

F L

Q 1 0 0 3

Q 1 0 0 4

C 1 0 0 2

R 1 0 0 2

R 1 0 4 4

s 3 8

1 / 2 P 1 . 0 K

1 P 3 3 K

C 3 9 0 6 K T 1 4 6 ( R , S )

D 1 0 0 1

1 S S 3 5 5 V M

R 1 0 1 6

3 3 K

Q 1 0 3 0

R 1 0 7 2

F L

4 7 K

A E

1 0 K

R 1 0 5 8

Q 1 0 2 4

Q 1 0 1 7

A 9 4 9 ( O / Y )

s 4 2

C 4 1 1 5 S

C 1 0 3 8

F R

Q 1 0 0 5

Q 1 0 0 6

C 1 0 0 3

R 1 0 0 3

R 1 0 4 5

1 / 2 P 1 . 0 K

1 P 3 3 K

s 3 8

C 3 9 0 6 K T 1 4 6 ( R , S )

D 1 0 0 2

1 S S 3 5 5 V M

R 1 0 1 7

Q 1 0 3 1

3 3 K

R 1 0 7 3

4 7 K

F R

A E

1 0 K

R 1 0 5 9

SURROUND

Q 1 0 2 5

Q 1 0 1 8

BACK L

A 9 4 9 ( O / Y )

C 4 1 1 5 S

C 1 0 3 9

S B L

2 2 P / 5 0 0

Q 1 0 0 7

Q 1 0 0 8

C 1 0 0 4

R 1 0 0 4

R 1 0 4 6

s 4 9

1 / 2 P 1 . 0 K

1 / 2 P 3 3 K

C 3 9 0 6 K T 1 4 6 ( R , S )

R 1 0 1 8

3 3 K

Q 1 0 3 2

R 1 0 7 4

S B L

4 7 K

A E

1 0 K

R 1 0 6 0

Q 1 0 2 6

Q 1 0 1 9

A 9 4 9 ( O / Y )

C 4 1 1 5 S

C 1 0 4 0

2 2 P / 5 0 0

S B R

Q 1 0 0 9

Q 1 0 1 0

C 1 0 0 5

R 1 0 0 5

R 1 0 4 7

1 / 2 P 1 . 0 K

1 / 2 P 3 3 K

s 4 9

C 3 9 0 6 K T 1 4 6 ( R , S )

R 1 0 1 9

Q 1 0 3 3

3 3 K

R 1 0 7 5

4 7 K

S B R

A E

1 0 K

R 1 0 6 1

Q 1 0 2 7

Q 1 0 2 0

A 9 4 9 ( O / Y )

SURROUND L

C 4 1 1 5 S

C 1 0 4 1

S L

2 2 P / 5 0 0

Q 1 0 1 1

Q 1 0 1 2

C 1 0 0 6

R 1 0 0 6

R 1 0 4 8

1 / 2 P 1 . 0 K

1 / 2 P 3 3 K

s 4 9

C 3 9 0 6 K T 1 4 6 ( R , S )

R 1 0 2 0

Q 1 0 3 4

3 3 K

R 1 0 7 6

4 7 K

S L

C 2 2 2 9 ( O / Y )

A E

1 0 K

R 1 0 6 2

Q 1 0 2 1

Q 1 0 2 8

A 9 4 9 ( O / Y )

C 1 0 4 2

C 4 1 1 5 S

2 2 P / 5 0 0

S R

Q 1 0 1 3

Q 1 0 1 4

S R

C 1 0 0 7

R 1 0 0 7

R 1 0 4 9

1 / 2 P 1 . 0 K

1 / 2 P 3 3 K

s 4 9

C 3 9 0 6 K T 1 4 6 ( R , S )

R 1 0 2 1

Q 1 0 3 5

3 3 K

R 1 0 7 7

4 7 K

S R

C 2 2 2 9 ( O / Y )

A E

1 0 K

R 1 0 6 3

RX-A730

61.0

I N A 6 0 0 2 A C 1 - T H 1 2

Q 1 0 3 6

1 0 K

C 4 6 1 4 ( S / T )

1.2

A 1 6 9 5 / C 4 4 6 8

R 1 2 0 1

61.0

Q 1 0 5 0 C

Q 1 0 6 4

0.6

R 1 1 3 4

I _ P R T

4 7 K

1 / 2 P 1 0 . 0

R 1 1 9 9

R 1 1 9 0

4 7 K

Q 1 0 5 7

R 1 1 5 5

5 . 6 K

I N C 6 0 0 2 A C 1 - T 1 1 2

6 8 K

R 1 1 8 3

-0.6

R 1 1 3 5

1 / 2 P 1 0 . 0

A M P _ O L V

Q 1 0 5 0 A

-1.2

Q 1 0 4 3

A 1 7 7 0 ( S / T )

-61.0

Q 1 0 6 5

C 3 9 0 6 K T 1 4 6 ( R , S )

Q 1 0 3 7

C 4 6 1 4 ( S / T )

Q 1 0 5 1 C

R 1 1 9 1

R 1 1 3 6

4 7 K

Q 1 0 5 8

1 / 2 P 1 0 . 0

R 1 1 5 6

5 . 6 K

I N C 6 0 0 2 A C 1 - T 1 1 2

6 8 K

R 1 1 8 4

F L

R 1 2 3 7

1 0 0 K

R 1 1 3 7

3 3 0 / 6 . 3

1 / 2 P 1 0 . 0

Q 1 0 5 1 A

C 1 0 6 9

D C _ P R T

Q 1 0 4 4

A 1 7 7 0 ( S / T )

C 1 0 6 6

1 0 0 0 P / 2 5 0 V

R 1 1 9 7

1 P 4 . 7

Q 1 0 3 8

C 4 6 1 4 ( S / T )

R 1 1 9 2

Q 1 0 5 2 C

4 7 K

R 1 1 3 8

A 1 6 9 5 / C 4 4 6 8

1 / 2 P 1 0 . 0

Q 1 0 5 9

5 . 6 K

R 1 1 5 7

I N C 6 0 0 2 A C 1 - T 1 1 2

R 1 1 8 5

5 6 K

F R

R 1 1 3 9

1 / 2 P 1 0 . 0

Q 1 0 5 2 A

Q 1 0 4 5

A 1 7 7 0 ( S / T )

Q 1 0 3 9

C 4 6 1 4 ( S / T )

Q 1 0 5 3 C

A 1 6 9 5 / C 4 4 6 8

R 1 1 9 3

R 1 1 4 0

4 7 K

1 / 2 P 1 0 . 0

Q 1 0 6 0

5 . 6 K

R 1 1 5 8

I N C 6 0 0 2 A C 1 - T 1 1 2

R 1 1 8 6

5 6 K

S B L

R 1 1 4 1

1 / 2 P 1 0 . 0

Q 1 0 5 3 A

Q 1 0 4 6

A 1 7 7 0 ( S / T )

Q 1 0 4 0

C 4 6 1 4 ( S / T )

R 1 1 9 4

4 7 K

A 1 6 9 5 / C 4 4 6 8

R E

W 1 0 1 B

W 1 0 1 A

Q 1 0 5 4 C

R 1 1 4 2

R 1 1 8 7

1 / 2 P 1 0 . 0

5 6 K

Q 1 0 6 1

5 . 6 K

R 1 1 5 9

S B R

I N C 6 0 0 2 A C 1 - T 1 1 2

R 1 1 4 3

1 / 2 P 1 0 . 0

Q 1 0 5 4 A

B E

W 1 0 1 D

W 1 0 1 C

B E

Q 1 0 4 7

A 1 7 7 0 ( S / T )

Q 1 0 4 1

C 4 6 1 4 ( S / T )

R 1 1 9 5

4 7 K

Q 1 0 5 5 C A 1 6 9 5 / C 4 4 6 8

R 1 1 4 4

1 / 2 P 1 0 . 0

Q 1 0 6 2

5 . 6 K

R 1 1 6 0

I N C 6 0 0 2 A C 1 - T 1 1 2

R 1 1 8 8

6 8 K

S L

R 1 1 4 5

1 / 2 P 1 0 . 0

Q 1 0 5 5 A

Q 1 0 4 8

A 1 7 7 0 ( S / T )

C 1 0 6 7

1 0 0 0 P / 2 5 0 V

R 1 1 9 8

1 P 4 . 7

Q 1 0 4 2

Q 1 0 6 7

K T A 1 8 3 7 - U

C 4 6 1 4 ( S / T )

56.0

Q 1 0 5 6 C

R 1 1 9 6

R 1 1 4 6

4 7 K

1 / 2 P 1 0 . 0

Q 1 0 6 3

R 1 1 6 1

Q 1 0 6 9

Q 1 0 7 0

5 . 6 K

3.3

R 1 2 1 5

3.3

A M P _ L M T

I N C 6 0 0 2 A C 1 - T 1 1 2

1 0 0

R 1 1 8 9

2 N 5 5 5 1 C - A T / P

5 6 K

S R

2 N 5 4 0 1 C - A T / P

R 1 1 4 7

-0.6

1 / 2 P 1 0 . 0

-13.0

Q 1 0 5 6 A

Q 1 0 7 1

Q 1 0 4 9

A 1 7 7 0 ( S / T )

-56.0

K T A 1 8 3 7 - U

Q 1 0 7 2

Q 1 0 6 8

R 1 2 2 2

1 P 1 K

A 1 7 0 8 ( S / T )

-12.4

Page 135

Page 137

to OPERATION (7)_CB308

to OPERATION (8)_CB391

(RX-V675/HTR-6066/TSR-6750)

Page 138

D10

Page 140

to OPERATION (7)_CB302

to OPERATION (8)_CB391

(RX-A730)

F L

S L

FRONT PRESENCE

R Y 1 0 7

9 8 1 - 2 A - 5 D S - S P 7

R Y 1 0 7

9 8 1 - 2 A - 5 D S - S P 7

R Y 1 0 2

F R

9 8 1 - 2 A - 5 D S - S P 7

3 P 1 6 0 m m

R Y 1 0 2

F L

W 1 0 3 A

W 1 0 3 B

9 8 1 - 2 A - 5 D S - S P 7

S B R

F L

F R

S C N - S C N

4 P 2 5 0 m m

S B L

W 1 0 4 A

W 1 0 4 B

S B L

S B R

S L

4 P 3 0 0 m m

S L

S R

S C N - S C N

R Y 1 0 3

9 8 1 - 2 A - 5 D S - S P 7

R Y 1 0 4

S R

F R E

9 8 1 - 2 A - 5 D S - S P 7

F L E

R Y 1 0 4

S L

9 8 1 - 2 A - 5 D S - S P 7

C E

S R E

S L E

S B R E

S B L E

S B R

R Y 1 0 5

9 8 1 - 2 A - 5 D S - S P 7

S B L

R Y 1 0 5

9 8 1 - 2 A - 5 D S - S P 7

P N 1 0 1

H P

5.0

S P A

S P R Y _ Z 2

S B R Y

S P C

S P S

Q 1 0 7 6

D T C 0 2 3 J U B T L

Q 1 0 7 5

P N 1 0 2

R 1 2 6 9

3 . 9 K

D 2 7 0 4 ( K )

Q 1 0 7 8

R 1 2 7 0

3 . 9 K

D 2 7 0 4 ( K )

Q 1 0 7 9

D 2 7 0 4 ( K )

Q 1 0 7 7

Q 1 0 7 4

D T C 0 2 3 J U B T L

5 k-ohms

10 W

H S 1 0 1

Z C 3 2 4 3 0

n o _ u s e

61.0

T H M 3 _ P R T

T H 1 0 1

R Y 1 0 1

S c r e w : W E 7 7 4 2 0

R S 6 0 3 M - B - C - J 8 0

D H 5 D 2 - O

2 8

C B 1 0 1

G 1 0 1 1

D 1 0 4 0

2 7

4 5 6

A C _ B L

2 6

A C _ B L

R Y 1 0 1

2 5

A C _ B H

2 4

V H I

S T A R E A R T H V 5 9 9 5 8 0

D H 5 D 2 - O

-61.0

to POWER TRANSFORMER

P S 1 _ P R T

5 k-ohms

10 W

I C 1 0 3

N J M 7 8 1 2 F A

12.0

O U T

I N

18.0

C O M

C B 1 0 3

A C 1 2

to POWER TRANSFORMER

A C 1 2

X H I

C O M

-12.0

O U T

I N

-18.0

Page 137

R 1 2 5 8

K I A 7 9 1 2 P I

I C 1 0 4

1 P 1

to OPERATION (4)_CB384

s 4 5

s 4 6

(RX-V675/HTR-6066/TSR-6750)

R 1 2 5 7

R _ 2 0 0 _ D E T

W 1 1 0

D 1 0 4 3

R _ 2 0 0 _ D E T

Page 140

2 P 2 0 0 M M B & C

to OPERATION (4)_CB384

(RX-A730)

R 1 2 6 2

1 P 2 . 2

Page 137

I10

C 1 1 2 1

5.0

C B 1 0 2

5 . 5 V

4 7 / 5 0

S P _ I M P / P A _ B _ R Y

to OPERATION (3)_W3707

G N D

X H I

(RX-V675/HTR-6066/TSR-6750)

W 1 0 7

5 . 5 V

Page 140

I10

G N D

S C N - X H

2 P 1 0 0 m m

to OPERATION (3)_W3707

Q 1 0 7 3

R 1 2 6 3

(RX-A730)

2 . 2 K

D 2 7 0 4 ( K )

Page 136

to OPERATION (2)_CB347

(RX-V675/HTR-6066/TSR-6750)

Page 139

P N 1 0 7

P N 1 0 8

P N 1 0 9

to OPERATION (2)_CB347

n o _ u s e

(RX-A730)

C , R . . . : 1 0 0 0 - 1 9 9 9

M A I N

C B , I C . . . : 1 0 0 - 1 9 9

MAIN (1)

T E 1 0 1

0 . 0 1 5 / 1 0 0

R E D

C 1 1 0 1

A R

B L A C K

FRONT

0 . 0 1 5 / 1 0 0

R E D

C 1 1 0 2

A L

L/R

B L C A K

s 1

0 . 0 1 / 1 0 0

C 1 1 0 3

0 . 0 1 / 1 0 0

C 1 1 0 4

T E 1 0 2

0 . 0 1 5 / 1 0 0

C 1 1 0 5

R E D

CENTER

SPEAKERS

B L A C K

0 . 0 1 5 / 1 0 0

R E D

C 1 1 0 6

S R

B L C A K

SURROUND

0 . 0 1 5 / 1 0 0

C 1 1 0 7

R E D

L/R

S L

B L A C K

C 1 1 1 0

0 . 0 1 / 1 0 0

s 2

0 . 0 1 5 / 1 0 0

T E 1 0 3

R 1 2 5 3

R 1 2 6 7

R E D

S B R

5 . 1 K

B L A C K

SURROUND BACK L/R /

0 . 0 1 5 / 1 0 0

R E D

BI-AMP L/R

S B L

R 1 2 5 4

R 1 2 6 8

B L C A K

5 . 1 K

s 1

S P R Y _ Z 2

3.3

S P R Y _ 5 C H

R 1 2 7 1

3 . 9 K

S P R Y _ S B

H P R Y

W 1 0 8

H P _ N _ D E T

S P R Y _ Z 2

S P R Y _ S B

H P R Y

S P R Y _ 5 C H

Page 131

M U T E _ N _ S W

M U T E _ N _ Z 2

to DIGITAL (1)_CB80

M U T E _ N _ Z 2

M U T E _ 5 C H

M U T E _ S B

T H M 3 _ P R T

MAIN (3)

M A I N ( 3 )

T H M 1

T H M 2

0 . 1 / 1 6

I C 1 0 1

I C 1 0 2

T H M

C 1 1 2 0

L M 1 9 C I Z / L F T 4

s 3

+ 3 . 3 S

V C C

O U T

V C C

O U T

Page 131

D G N D

G N D

T H M 1 _ P R T

to DIGITAL (1)_CB79

R 1 2 6 0

T H M 2 _ P R T

1 0 K

W 1 1 2

S T 1 0 1

MAIN (4)

MAIN (2)

R, S models

M A I N ( 4 )

to POWER TRANSFORMER

M A I N ( 2 )

P N 1 0 5

P N 1 0 6

F 1 0 1 : T 4 A L 2 5 0 V ( V V 0 7 1 8 0 )

s 5

S W 1

O R

1 1 0 / 1 2 0

S T 1 0 2

R E

s 7

2 2 0 / 2 4 0

Y E

S L 1 4

C B 1 1 2

s 6

F 1 0 1

C B 1 1 3

V I

1 1 0 / 1 2 0

s 6

C B 1 1 1

M A I N ( 5 )

2 2 0 / 2 4 0

S L 1 4

VOLTAGE

SELECTOR

D E S T R O n l y

MAIN (5)

Safety measures

• Some internal parts in this product contain high voltages and are dangerous. Be sure to take safety measures during servicing, such as wearing insulating gloves.

• Note that the capacitors indicated below are dangerous even after the power is turned off because an electric charge remains and a high voltage continues to exist there.

Before starting any repair work, connect a discharging resistor (5 k-ohms/10 W) to the terminals of each capacitor indicated below to discharge electricity.

The time required for discharging is about 30 seconds per each.

C1084, C1085 on MAIN (1) P.C.B.

RX-V675/HTR-6066/RX-A730/TSR-6750

R E S I S 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

C A R B O N

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

( P = 5 )

C A R B O N

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

( P = 1 0 )

N O T I C E

M E T A L

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

( m o d e l )

M E T A L

F I L M

R E S I S T O R

J A P A N

M E T A L

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

U . S . 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

C A N A D A

C E M E N T

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

G E N E R A L

S E M I

V A R I A B L E

R E S I S T O R

C H I N A

K O R E A

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

A U S T R A L I A

B R I T I S H

E U R O P E

C A P A C I T O R

S I N G A P O R E

R E M A R K S

P A R T S

N A M E

S O U T H E U R O P 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

T A I W A N

N O

M A R K

C E R A M I C

C A P A C I T O R

R U S S I A N

C E R A M I C

T U B U L A R

C A P A C I T O R

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

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

C A P A C I T O R

B R A Z I L

P O L Y S T Y R E N E

F I L M

C A P A C I T O R

T H A I

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

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

U C

R S

T A

G L F H

s 1

T E 1 0 3

W W 7 2 8 9 0

W W 7 2 6 5 0

T E 1 0 1

s 2

T E 1 0 2

W W 7 2 6 6 0

W W 7 2 8 8 0

s 3

I C 1 0 2

Y A 3 8 1 A 0

L M 1 9 C I Z / L F T 4 |

s 4

S W 1

W V 3 8 2 9 0

S L 1 4

s 5

C B 1 1 1

V 9 3 7 7 9 0

B 4 P 7 S - V H

s 6

C B 1 1 3

W N 0 7 7 7 0

C B 1 1 2

| P F C 5 0 0 0 - 0 2 0 2 F |

s 7

F 1 0 1

V V 0 7 1 8 0

4 A 2 5 0 V

s 3 5

C 1 1 1 7

W N 1 6 5 5 0

W J 6 1 0 6 0

C 1 1 1 6

0 . 0 2 2 / 1 0 0

s 3 6

C 1 1 2 2

U R 2 4 7 1 0

U R 2 6 7 1 0

C 1 1 2 3

1 0 / 2 5

1 0 / 5 0

s 3 7

C 1 0 7 5

Z D 2 9 5 9 0

Z D 2 4 2 0 0

U R 3 6 7 4 7

1 0 / 1 6

4 7 / 5 0

s 3 8

C 1 0 0 1

U R 2 5 7 1 0

U R 0 6 7 1 0

Z D 2 4 1 9 0

C 1 0 0 2

1 0 / 3 5

1 0 / 5 0

C 1 0 0 3

s 3 9

C 1 0 0 9

W N 1 6 4 2 0

W E 1 0 0 9 0

C 1 0 1 0

2 2 0 P / 1 0 0

2 2 0 P / 6 3 0

C 1 0 0 8

s 4 0

C 1 0 1 6

W Q 1 0 7 5 0

W E 1 0 0 6 0

C 1 0 1 5

1 2 0 P / 1 0 0

1 2 0 P / 6 3 0

C 1 0 1 7

s 4 1

C 1 0 2 4

W N 1 6 4 9 0

W J 6 0 9 5 0

C 1 0 2 3

3 3 0 0 P / 1 0 0

C 1 0 2 2

s 4 2

C 1 0 3 8

W Q 6 2 7 6 0

W E 1 0 0 2 0

C 1 0 3 7

2 2 P / 5 0 0

2 2 P / 6 3 0

C 1 0 3 6

s 4 3

R 1 7 0 3

W A 6 2 1 4 0

W Q 8 3 5 7 0

R 1 7 0 4

1 P 8 2

s 4 4

C 1 6 1 5

U R 2 6 7 4 7

U R 0 6 7 4 7

Z D 2 4 2 0 0

C 1 6 1 4

4 7 / 5 0

s 4 5

D 1 0 4 3

W Y 1 6 4 8 0

U D Z V 2 4 B

s 4 6

R 1 2 5 7

R D 3 5 6 4 7

4 . 7 K

s 4 7

C 1 0 5 2

U R 0 6 7 1 0

Z D 2 4 1 9 0

U R 3 9 7 1 0

C 1 0 5 1

1 0 / 5 0

1 0 / 1 0 0

C 1 0 5 0

s 4 8

C 1 0 5 6

U R 0 6 7 1 0

Z D 2 4 1 9 0

U U 2 6 7 1 0

C 1 0 5 4

1 0 / 5 0

C 1 0 5 5

C 1 0 5 3

s 4 9

C 1 0 0 6

U R 2 5 7 1 0

U U 2 6 7 1 0

U R 2 6 7 1 0

C 1 0 0 5

1 0 / 3 5

1 0 / 5 0

C 1 0 0 4

C 1 0 0 7

s 5 0

C 1 0 1 8

W Q 1 0 7 5 0

W W 1 7 9 7 0

C 1 0 2 0

1 2 0 P / 1 0 0

C 1 0 1 9

C 1 0 2 1

s 5 1

C 1 0 1 1

W N 1 6 4 2 0

W J 6 0 8 3 0

C 1 0 1 3

2 2 0 P / 1 0 0

C 1 0 1 2

C 1 0 1 4

s 5 2

C 1 0 2 7

W N 1 6 4 9 0

W J 6 0 9 5 0

C 1 0 2 5

3 3 0 0 P / 1 0 0

C 1 0 2 8

C 1 0 2 6

s 5 3

C 1 5 3 2

U R 2 3 8 1 0

U R 0 3 8 1 0

U R 2 3 8 1 0

C 1 5 3 6

1 0 0 / 1 6

C 1 5 2 3

C 1 5 3 3

C 1 5 3 0

C 1 5 2 6

C 1 5 2 7

s 5 4

C 1 0 2 9

U R 0 6 7 4 7

U R 2 6 7 4 7

4 7 / 5 0

s 5 5

C 1 0 3 1

U R 0 6 8 1 0

U R 2 6 8 1 0

C 1 0 3 0

1 0 0 / 5 0

IC103: NJM7812FA

Voltage regulator

INPUT

OUTPUT

COMMON

IC104: KIA7912PI

Voltage regulator

COMMON

R22

(GND)

R15

R18

R21

R23

Q21

Q28

Q17

Q22

Q24

R16

Q23

R13

R12

R24

Q19

Q29

R20

Q18

Q20

Q25

Q30

R14

R17

Q31

R25

R19

Q12 Q13

Q26-1

R11

R10

R26

Q26

Q27

OUTPUT

Q27-1

Q14

Q15

Q16

Q11

Q10

INPUT

★ 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.

141

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Yamaha RX-V675 Service Manual page 141

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