Yamaha RX-V381 Service Manual page 94

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Installation manual

Owner's manual (87 pages)

Easy setup manual (2 pages)

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Table Of Contents

139

Table of Contents

RX-V381/HTR-3069

OPERATION 1/2

O P E ( 1 )

F L

4 0 1 - 4 5 0

4 0 0 0 - 4 5 0 0

Q 4 0 0 2

Q 4 0 0 1

Q 4 0 0 3

P S W _ N _ D E T

K E Y 1

+ 3 . 3 M

K E Y 2

R 4 0 0 6

1 K

Y P A O : U S E : J U C R K A B G F L V

N o U S E : T

YPAO MIC

s 4 5 2

R 4 5 0 2

s 4 5 1

1 K

s 4 5 6

J K 4 5 1

s 4 5 7

C 4 5 0 2

R 4 5 0 5

1 0 / 1 6

2 2 0

s 4 5 4

R 4 5 0 1

R 4 5 0 7

4 . 7 K

B A 4 5 6 0 F

M S J - 2 2 0 0 C _ A G

O P E ( 5 )

s 4 6 3

B A 4 5 6 0 F

Y P A O

I C 4 7 1

4 5 1 - 4 7 0

V -

4 5 0 1 - 4 7 0 0

F G 2

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

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

T A I W A N

R U S S I A N

C A P A C I T O R

★ Components having special characteristics are marked ⚠ and must be replaced

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

R E M A R K S

P A R T S

N A M E

with parts having speci cations equal to those originally installed.

B R A Z I L

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 H A I

T A N T A L U M

C A P A C I T O R

★ Schematic diagram is subject to change without notice.

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

● 電圧は、内部抵抗 10M Ωの電圧計で測定したものです。

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

● ⚠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、

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

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。

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

● 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。

C A P A C I T O R

V 4 0 0 1

0 2 0 M T 0 0 8 G N K

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 9

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

+ V P _ F L

P 1 8 I

V P

2 1

8 0

P 1 9

D G

2 2

Q 4 0 0 4

Q 4 0 1 0

7 9

P 2 0

L G

2 3

7 8

P 2 1

V D D

2 4

7 7

4 . 0 0 0 M H Z

C 4 0 1 0

P 2 2

O S C 1

2 5

7 6

P 2 3

O S C 0

3 3 P ( C H )

2 6

VFD DRIVER

7 5

C 4 0 1 1

X L 4 0 1

P 2 4

S Y N C I

2 7

7 4

3 3 P ( C H )

P 2 5

D M Y - G N D

2 8

7 3

P 2 6

M / S

2 9

7 2

P 2 7

M L 9 2 8 6 - 0 3 G A Z 0 A R

D M Y - V D D

3 0

7 1

P 2 8

Y F 8 5 5 A 0

D O

3 1

7 0

P 2 9

/ R E S E T

I C 4 0 1

3 2

6 9

P 3 0

/ C P

3 3

6 8

P 3 1 I

D A

3 4

6 7

P 3 2

/ C S

3 5

6 6

P 3 3

S Y N C O

3 6

6 5

P 3 4

X O U T

3 7

6 4

C 4 0 0 6

P 3 5

V D D

3 8

6 3

Q 4 0 0 5

G 2 0 I

L G

0 . 1 / 1 6

3 9

6 2

G 1 9

D G

4 0

6 1

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

F G 1

T O N E

R A D I O

C D

T V

B D / D V D

I N P U T

C O N T R O L

R 4 0 0 9

R 4 0 1 2

R 4 0 1 4

R 4 0 1 6

R 4 0 1 7

R 4 0 2 3

R 4 0 2 5

1 K

1 . 5 K

2 . 2 K

3 . 3 K

4 . 7 K

D G N D

R 4 0 0 8

R 4 0 1 1

R 4 0 1 3

R 4 0 1 5

R 4 0 1 8

R 4 0 1 9

R 4 0 2 1

R 4 0 2 4

R 4 0 2 6

R 4 0 2 7

1 K

1 . 5 K

1 . 8 K

2 . 2 K

3 . 3 K

4 . 7 K

6 . 8 K

1 0 K

2 2 K

6 8 K

T U N I N G

A M

F M

P R E S E T

M E M O R Y

S T R A I G H T

+ 1 2 V

- 1 2 V

C B 4 5 1

C B 4 0 1

W 4 0 0 1

+ 1 2 A

11.73V

+ 1 2 A

M I C

0.10mV

M I C

+ 3 . 3 M

s 4 5 2

0.000V

R 4 5 0 4

-12.03V

- 1 2 A

1 K

M I C _ N _ D E T

3.220V

M I C _ N _ D E T

3.275V

P S W _ N _ D E T

D G N D

0.001V

D G N D

F G

0.10mV

s 4 6 3

F G

V +

s 4 6 4

s 4 5 6

5 1 0 4 8

R 4 5 1 0

C 4 5 1 2

I C 4 7 1

8 . 2 K

1 0 / 1 6

s 4 6 5

R 4 5 0 9

1 2 K

C 4 5 0 7

F G 1

3 3 P ( C H )

s 4 6 6

F G 2

(Power)

R 4 0 3 6

1 0 0 K

OPERATION (5)

D G N D

W 4 0 0 6

n o _ u s e

D I G I T A L

Page 90 C1

to DIGITAL_CB221

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

Z J 8 0 1 0 0 / Z Q 5 4 0 7 0

OPERATION (1)

6 9

5.801VAC

+ V P _ F L

5.801VAC

Q 4 0 0 7

A 1 7 0 8 ( S / T )

R 4 0 4 8

R 4 0 4 0

1 . 0

4 . 7

D 4 0 1 2

D 4 0 1 1

1 S S 3 5 5 V M

R 4 0 3 9

4 7 0 K

+ 3 . 3 S

Q 4 0 0 8

Q 4 0 0 9

D T C 0 4 4 E U B T L

Q 4 0 0 6

D T C 0 4 4 E U B T L

E C 1 2 E 2 4 6 0 8 1 4

S W 4 7 3

C O M

R 4 7 0 2

4 7 K

R 4 7 0 1

4 7 K

D G N D

+ 3 . 3 S

W 4 0 0 2

C B 4 0 4

C B 4 7 1

+ 3 . 3 D S P

Remote control

3.280V

V O L _ R B

sensor

0.001V

+ 3 . 3 M

V O L _ R A

R P M 7 2 3 8 - H 9 R

0.001V

D G N D

0.001V

F G

U 4 0 0 1

F G

0.000V

F G

0.000V

5 1 0 4 8

D G N D

F G 1

C 4 0 1 8

OPERATION (6)

R 4 0 3 2

0 . 0 1 ( B )

1 0 0

D 4 0 0 5

VOLUME

1 S S 3 5 5 V M

D 4 0 0 8

1 S S 3 5 5 V M

V O L U M E

4 7 1 - 4 7 5

D G N D

F G 1

4 7 0 1 - 4 7 6 0

W S 4 8 8 3 0

L = 7 0 # 1 8

L = 3 0 0

W 4 0 0 5

T o B T M o d u l e

n o _ u s e

W 4 0 0 4

Z U 1 2 3 6 0

s 4 0 1

F G 1

F, L, V, S models)

U G N D

+ 5 . 5 U

V _ B U S

s 4 1 2

D 4 0 1 6

1 S S 3 5 5 V M

s 4 0 7

L 4 0 0 1

R 1 1 7 2 H 5 0 1 D - T 1 - F

s 4 0 4

I C 4 0 2

5 D _ P O N

+ 3 . 3 S

C 4 0 2 0

0 . 1 / 1 6

C 4 0 2 1

0 . 1 / 1 6

C 4 0 2 4

U G N D

0 . 1 / 1 6

R 4 0 5 6

C 4 0 2 2

4 7 0

C 4 0 2 3

1 0 0 P ( S L )

C 4 0 2 5

1 0 0 P ( S L )

+ V

R 4 0 5 7

4 7 0

F G 1

F r o m

M A I N ( 2 )

Key detection for A/D port

Page 98 D2

Key input (A/D) pull-up resistance: 10 k-ohms

to MAIN (2)_CB47

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 4 0 1

W 4 0 0 4

s 4 0 2

C B 4 0 6

s 4 0 3

C 4 0 2 6

C 4 0 3 0

C 4 0 3 4

s 4 0 4

I C 4 0 2

F 2

s 4 0 5

R 4 0 5 2

9.74V

+ 4 0 F

39.98V

F r o m

Page 95 H7

s 4 0 6

R 4 0 5 3

F 1

9.72V

O P E ( 4 )

to OPERATION (4)_CB526

U G N D

0.000V

s 4 0 7

L 4 0 0 1

5 P

1 8 0 M M

P = 2 . 0

+ 5 . 5 U

W 4 0 0 3

5.861V

C B 4 0 3

s 4 0 8

C 4 0 4 1

5 1 0 4 8

U G N D

s 4 0 9

D 4 0 1 8

+ 5 . 5 U

D 4 0 1 9

s 4 1 0

C 4 0 3 5

P N 4 0 1

s 4 1 1

J 4 0 0 4

R D 3 5 0 0 0

W S 4 8 8 3 0

s 4 1 2

D 4 0 1 6

L = 7 0 # 1 8

s 4 5 1

J K 4 5 1

W J 1 1 7 3 0

M S J - 2 2 0 0 C _ A G

s 4 5 2

R 4 5 0 2

R D 3 5 6 1 0

R 4 5 0 4

1 K

s 4 5 3

C 4 5 0 1

U S 0 6 3 1 0

1 0 0 0 P ( B )

s 4 5 4

R 4 5 0 1

R D 3 5 6 4 7

R 4 5 0 7

4 . 7 K

s 4 5 5

C 4 5 0 4

U M 3 9 7 2 2

C 4 5 1 0

2 2 / 1 6

C 4 5 1 1

s 4 5 6

C 4 5 0 2

U M 3 9 7 1 0

C 4 5 1 2

1 0 / 1 6

s 4 5 7

R 4 5 0 5

R D 3 5 5 2 2

2 2 0

s 4 5 8

R 4 5 0 3

R D 3 5 7 1 0

1 0 K

s 4 5 9

D 4 5 0 3

W Y 1 6 3 2 0

U D Z V 5 . 1 B

s 4 6 0

R 4 5 0 6

R D 3 5 8 1 0

R 4 5 1 1

1 0 0 K

s 4 6 2

C 4 5 0 5

U S 0 6 2 1 0

1 0 0 P ( S L )

s 4 6 3

I C 4 7 1

Y D 7 7 9 A 0

B A 4 5 6 0 F

s 4 6 4

R 4 5 1 0

R D 3 5 6 8 2

8 . 2 K

s 4 6 5

R 4 5 0 9

R F 4 5 7 1 2

1 2 K

s 4 6 6

C 4 5 0 7

U S 0 6 1 3 3

3 3 P ( C H )

s 4 6 7

R 4 5 0 8

R D 3 5 5 4 7

4 7 0

s 4 6 8

C 4 5 0 6

U M 3 9 7 4 7

4 7 / 1 6

s 4 7 1

P N 4 7 1

OPERATION (7)

PHONES

SILENT CINEMA

S R A - 2 1 T - 3 / 5 2 9 8 T

W 4 7 6 1

S T 4 7 6

O P E ( 7 )

Page 93 J3

H E A D P H O N E

to DIGITAL_CB281

4 7 6 - 4 8 0

(R, T, K, B, G, F, L, V, S models)

4 7 6 1 - 4 8 0 0

J K 4 7 6

U S B : U S E : R T K B G F L VS

R 4 7 6 3

N o U S E : J U C A

1 P 4 7 0

R 4 7 6 4

1 P 4 7 0

(R, T, K, B, G,

R 4 7 6 1

R 4 7 6 5

1 K

G N D

3 3 0 0 P / 1 0 0

s 4 0 3

1 0 / 1 0

C 4 0 3 4

IC401: ML9286-03GAZ0AR

VFD controller/driver

U S B

(USB)

DISP

C 4 0 3 6

D-GND

n o _ u s e

D 4 0 1 8

s 4 0 9

DCRAM

CGRAM

L-GND

24w x 8b

240w x 35b

1 S S 3 5 5 V M

D 4 0 1 9

s 4 0 9

CGRAM

1 S S 3 5 5 V M

16w x 35b

C 4 0 3 5

s 4 1 0

RESET

1 0 0 0 P ( B )

J 4 0 0 4

s 4 1 1

8-bit

Shift

n o _ u s e

ADRAM

24w x 2b

CGRAM

F G 1

24w x 20b

Address

Selector

Command

Decoder

Write

Read

Address

J K 4 7 7

Counter

Control

Circuit

AUX

Digit

Control

Duty

Control

Timing

Generator 1

Generator 2

F G 1

OSC0

Oscillator

OSC1

M/S

SYNCI

0 Ω

+ 1.0 k Ω

+ 1.5 k Ω

Detected voltage value at 92 pin

0 – 0.15 V

0.15 – 0.425 V

0.425 – 0.703 V

0.703 – 0.978 V

0.978 - 1.241 V

A/D value

0 – 11

12 – 32

33 – 54

55 – 75

76 – 96

(3.3 V=255)

RADIO

BD/DVD

KEY1

(SCENE4)

(SCENE3)

(SCENE2)

(SCENE1)

+ 1.0 k Ω

+ 1.5 k Ω

+ 1.8 k Ω

+ 2.2 k Ω

Detected voltage value at 93 pin

0.15 – 0.425 V

0.425 – 0.703 V

0.703 – 0.999 V

0.999 – 1.279 V

1.279 – 1.564 V

A/D value

12 – 32

33 – 54

55 – 77

78 – 98

99 – 120

(3.3 V=255)

TUNING

PRESET

KEY2

U C

R V S

K B G L F

Z U 1 2 3 6 0

W Q 6 8 0 2 0

A A P V A 0 0 4 C 0

W D 7 5 8 3 0

1 0 / 1 0

Y A 2 5 5 A 0

| R 1 1 7 2 H 5 0 1 D - T 1 - F | R 1 1 7 2 H 5 0 1 D - T 1 - F | R 1 1 7 2 H 5 0 1 D - T 1 - F |

R D 3 5 7 2 2

2 2 K

R F 4 5 6 1 0

1 K

V 2 4 4 9 9 0

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

U M 3 9 8 1 0

1 0 0 / 1 6

W W 7 8 3 9 0

1 S S 3 5 5 V M

U S 0 6 3 1 0

1 0 0 0 P ( B )

R D 3 5 0 0 0

W W 7 8 3 9 0

1 S S 3 5 5 V M

W J 1 1 7 3 0

M S J - 2 2 0 0 C _ A G

R D 3 5 6 1 0

1 K

U S 0 6 3 1 0

1 0 0 0 P ( B )

R D 3 5 6 4 7

4 . 7 K

U M 3 9 7 2 2

2 2 / 1 6

U M 3 9 7 1 0

1 0 / 1 6

R D 3 5 5 2 2

2 2 0

R D 3 5 7 1 0

1 0 K

W Y 1 6 3 2 0

U D Z V 5 . 1 B

R D 3 5 8 1 0

1 0 0 K

U S 0 6 2 1 0

1 0 0 P ( S L )

Y D 7 7 9 A 0

B A 4 5 6 0 F

R D 3 5 6 8 2

8 . 2 K

R F 4 5 7 1 2

1 2 K

U S 0 6 1 3 3

3 3 P ( C H )

R D 3 5 5 4 7

4 7 0

U M 3 9 7 4 7

4 7 / 1 6

W S 4 8 8 3 0

IC471: BA4560F

Low noise dual operational amplifier

OUT2

- IN2

+ IN2

–

Ch2

Ch1

–

OUT1

- IN1

+ IN1

Page 96

P H L

to MAIN (1)_W1

H P L

3.268V

H P E

0.020V

F r o m

H P R

M A I N ( 1 )

0.000V

H P _ N _ D E T

0.040V

C B 4 7 7

IC402: R1172H501D-T1-F

Voltage regulator

OUT

Vref

Current Limit

SEG1

GND

Segment

Driver

Pin No.

Symbol

Description

SEG35

Chip Enable Pin ("H" Active)

GND

Ground Pin

Input Pin

Output Pin

OUT

AD1

Driver

AD2

DISP

AD1

DISP

AD2

COM1

SEG1

COM2

SEG2

COM3

SEG3

COM4

SEG4

COM5

COM1

SEG5

COM6

SEG6

COM7

SEG7

COM8

Grid

SEG8

COM9

Driver

SEG9

COM10

SEG10

COM11

COM20

SEG11

COM12

SEG12

COM13

SEG13

COM14

SYNCO

SEG14

COM15

SEG15

COM16

SEG16

COM17

SEG17

COM18

XOUT

+ 2.2 k Ω

+ 3.3 k Ω

+ 4.7 k Ω

+ 13.2 k Ω

+ 22 k Ω

+ 33 k Ω

1.241 – 1.536 V

1.536 – 1.84 V

1.84 – 2.102 V

2.102 V – 2.299V

2.336 – 2.55 V

2.55 – 2.971 V

97 – 118

119 – 142

143 – 162

163 – 177

181 – 197

198 – 229

INPUT

TONE

(power)

CONTROL

+ 3.3 k Ω

+ 4.7 k Ω

+ 6.8 k Ω

+ 10 k Ω

+ 22 k Ω

+ 68 k Ω

1.564 – 1.86 V

1.86 – 2.142 V

2.142 – 2.399 V

2.399 – 2.653 V

2.653 – 2.919 V

2.916 – 3.175 V

121 – 143

144 – 165

166 – 185

186 – 205

206 – 225

226 – 245

PRESET

MEMORY

PROGRAM

INFO

STRAIGHT

(PAIRING)

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Yamaha RX-V381 Service Manual page 94

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