Yamaha WXA-50 Service Manual page 49

Wireless streaming amplifier

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Owner's manual (46 pages)

Owner's manual (53 pages)

Table Of Contents

Table of Contents

WXA-50

MAIN 3/3

Temperature

protection

I C 6 0 1

C 6 1 0

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

1 0 0 / 1 6

V C C

O U T

R 6 0 4

R 6 1 8

G N D

5 . 6 K

1 . 5 K

D 6 0 2

R 6 0 5

1 0 0 K

1 S S 3 5 5 V M

R 6 1 5

C 6 0 3

R 6 1 7

D G N D

2 2 K

1 0 0 K

1 0 / 1 6

C 6 0 1

D 6 0 1

R 6 0 3

2 . 2

1 0 0 0 P ( B )

1 S S 3 5 5 V M

C 6 0 2

R 6 1 6

2 . 2

1 0 0 0 P ( B )

I N

R E M O T E

REMOTE

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

U C

s 6 0 1

C 6 0 6

Z P 4 2 5 4 0

C 6 0 7

0 . 0 4 7 / 5 0 0

s 6 0 3

T E 6 0 1

W S 3 2 0 5 0

W P 1 7 3 3 0

A C - 0 2 0

s 9 0 1

T E 9 0 1

Z U 8 6 2 1 0

T E 9 0 2

| # 0 6 2 - 0 4 0 2 1 2 - 0 0 0 | # 0 6 2 - 0 4 0 2 1 2 - 0 0 0 | # 0 6 2 - 0 4 0 2 1 2 - 0 0 0 | # 0 6 2 - 0 4 0 2 1 3 - 0 0 0 | # 0 6 2 - 0 4 0 2 1 2 - 0 0 0 | # 0 6 2 - 0 4 0 2 1 3 - 0 0 0 | # 0 6 2 - 0 4 0 2 1 3 - 0 0 0 | # 0 6 2 - 0 4 0 2 1 2 - 0 0 0 |

MAIN (3)

Remote control

sensor

R P M 7 2 3 8 - H 8 R

U 7 0 1

R 7 1 0

4 7

(Input)

(Power)

CONNECT

S T D B Y

S O U R C E

P L A Y

S W I T C H

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

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

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

Page 47

to MAIN (1)_CB501

to MAIN (1)_W2

M A I N ( 1 )

C 6 1 4

1 / 2 5

C 6 0 5

1 / 2 5

R 1 5 1 5 H 1 2 0 B - T 1 - F

V D D

V O U T

D 6 0 8

G N D

C E

1 S S 3 5 5 V M

R 6 0 6

n o _ u s e

C 6 1 7

D G N D

0 . 0 1 ( B )

C 6 0 9

C 6 0 4

R 6 1 0

1 0 0 0 P ( B )

1 0 K

C 6 1 6

0 . 0 1 ( B )

C 6 1 5

0 . 0 1 ( B )

C 6 0 8

1 0 0 0 P ( B )

G 1

G 2

S W 6 0 1

s 6 0 3

S S S F 1 1 4 9 0 0

T E 6 0 1

A L L

O F F

O U T

I N

+ 1 2 V

B T

M A X 1 0 0 m A

W I R E L E S S S W

T R I G G E R

TRIGGER

WIRELESS NETWORK

AC IN

B G

V S

Z P 4 2 3 4 0

0 . 0 2 2 / 6 3 0

W S 3 2 0 5 0

A C - 0 2 0

Z U 8 6 2 1 0

Z U 8 6 2 0 0

Z U 8 6 2 1 0

Z U 8 6 2 0 0

Z U 8 6 2 1 0

STATUS

NET

indicator

Q 7 0 5

Q 7 0 6

R 7 1 7

R 7 1 8

R 7 1 9

R 7 2 0

R 7 2 1

1 K

Q 7 0 1

Q 7 0 2

Q 7 0 3

F U L L C O L O R

G R E E N

B L U E

D G N D

L E D

N O T I C E

WXA-50

R E S I S T O R

( m o d e l )

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

A M P A N D P O W E R M O D U L E 1 2 5 A S X 2

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

( T h i s m o d u l e i s n o t i n c l u d e d i n P C B M A I N )

E U R O P E A N 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

M a i n s

R U S S I A N

P 1 0 0

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

B R A Z I L

T H A I

Page 47

to MAIN (1)_W502A, W502B

W X C o n l y

W 8 0 1

+ 5 D S P

D G N D

D O U T

M A I N ( 2 )

S W _ M O D E

T r i g g e r

P R E _ L

6 0 1 - 7 0 0

P R E _ E

P R E _ R

MAIN (2)

M T _ N _ P R E

C 6 1 8

C 6 1 9

S T 6 0 2

2 2 0 0 P / 2 5 0 ( X 7 R )

C 6 2 0

C 6 2 1

S D 0 0 4 3 3 - 2 1

2 2 0 0 P / 2 5 0 ( X 7 R )

MAIN (6)

M A I N ( 6 )

S p a c e r

( P W B o n l y )

Page 47

M17

to MAIN (1)_CB1

M A I N ( 1 )

F F C 1 5 P

M A I N ( 3 )

C 7 0 7

O p e r a t i o n

1 0 0 0 P ( B )

C 7 0 8

7 0 1 - 8 0 0

1 0 0 0 P ( B )

C 7 0 9

1 0 0 0 P ( B )

V O L U M E

R O T A R Y E N C O D E R

E C 1 2 E 1 2 2 0 4 0 7

VOLUME

S W 7 0 7

R 7 1 4

4 7 K

R 7 1 3

4 7 K

D 7 0 5 1 S S 3 5 5 V M

D 7 0 6 1 S S 3 5 5 V M

C 7 0 6

1 0 0 0 P ( B )

F G

P O W E R A M P

A u x

S i g n a l

S p e a k e r

S u p p l y

I n p u t

O u t p u t

P 1 0 3

P 1 0 2

P 1 0 1

M A I N ( 5 )

M A I N ( 1 )

Page 47

X10

Page 48

to MAIN (1)_W1

to MAIN (1)_W201

M A I N ( 4 )

P r e - o u t

8 0 1 - 9 0 0

R 8 2 7

C 8 0 1

C 8 0 3

C 8 1 4

I C 8 0 2

I C 8 0 1

P J 8 0 2

C 8 0 6

Q 8 0 1

R 8 0 7

R 8 0 1

C 8 0 8

R 8 0 6

C O A X O U T

U 8 0 1

D G N D

C 8 1 0

O P T O U T

S W 8 0 1

P r e A m p

M O D E S W

P l a y e r

P J 8 0 1

2 H

2 E

C 8 1 5

R 8 2 3

G 1

P R E - O U T

1 E

1 H

Note:

Precaution for handling measuring instrument

Since the speaker output of this unit is BTL connected, the ground side of the

measuring instrument to be connected to the speaker terminal

MUST be kept in floating condition. MUST be kept in floating condition.

注意：

計測機器取り扱い上の注意

本機のスピーカー出力はBTL接続となっていますので、スピーカー端子

に接続する計測器のアース側はフローティング状態に保つ必要があります。

MAIN (5)

W X A o n l y

M A I N ( 5 )

S P O u t

OUT L

9 0 1

1 0 0 0

R Y 9 0 1

T E 9 0 1

s 9 0 1

D S 1 2 D 2 - O S ( M )

R E D

S P O U T L

B L A C K

W 9 0 1

S C N - V H

4 P 7 0 M M B & C

S P _ L

S P G L

S P G R

R Y 9 0 1

S P _ R

T E 9 0 2

s 9 0 1

D S 1 2 D 2 - O S ( M )

R E D

S P O U T R

B L A C K

R 9 0 3

W 9 0 2

6 8

S A N - P H

6 P 6 0 M M B & C B L

F A N _ C T R L

F A N _ L O C K

A M P _ O L V

R 9 0 1

Page 47

X12

+ 1 5 V

14.9

2 . 2 K

to MAIN (1)_CB2

S P R Y _ C T R L

D G N D

Q 9 0 2

A R 5 1 3 P

F A N +

D G N D

to DC FAN

F A N _ L O C K

C B 9 0 1

P H I

R 9 1 3

1 0 0

Q 9 0 3

C 4 0 8 1 U B T L R

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

WXA-50/WXC-50

IC604: R1515H120B-T1-FE

CMOS-based positive voltage regulator

Thermal Shutdown

Circuit

V IN

VOUT

Internal

Vref

Short

Current Limit

Protection

2,4

GND

Pin No.

Symbol

Description

Output Pin

OUT

GND

Ground Pin

Chip Enable Pin ("H" Active)

GND

Ground Pin

Input Pin

SPEAKERS

★ 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.

● 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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Yamaha WXA-50 Service Manual page 49

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