Yamaha WXA-50 Service Manual page 52

Wireless streaming amplifier
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A
B
C
D
E
WXA-50/WXC-50
WXC-50
MAIN 3/3
1
2
Temperature
protection
3
I C 6 0 1
C 6 1 0
L M 1 9 C I Z / L F T 4
V C C
O U T
1 0 0 / 1 6
R 6 0 4
R 6 1 8
G N D
5 . 6 K
1 . 5 K
D 6 0 2
4
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
5
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 )
6
I N
R E M O T E
7
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
|
J
|
U C
|
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - +
|
s 6 0 1
|
C 6 0 6
|
Z P 4 2 3 4 0
|
Z P 4 2 3 4 0
|
8
|
|
C 6 0 7
|
0 . 0 2 2 / 6 3 0
|
0 . 0 2 2 / 6 3 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
|
-
|
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - +
9
MAIN (3)
10
11
Remote control
sensor
R P M 7 2 3 8 - H 8 R
U 7 0 1
12
R 7 1 0
4 7
13
(Input)
(Power)
CONNECT
S T D B Y
S O U R C E
P L A Y
S W I T C H
14
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
15
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
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
16
P O L Y P H E N Y L E N E
S U L F I D E
F I L M
S
C A P A C I T O R
17
18
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
● 電圧は、内部抵抗 10MΩの電圧計で測定したものです。
★ Components having special characteristics are marked ⚠ and must be replaced
● ⚠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、
with parts having specifications equal to those originally installed.
★ Schematic diagram is subject to change without notice.
● 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。
52
F
G
H
I
J
Page 50
Page 50
X8
to MAIN (1)_CB501
to MAIN (1)_W2
M A I N ( 1 )
M A I N ( 1 )
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
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 )
1 0 0 0 P ( B )
6
7
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
K
|
A
|
B G
|
L
|
V S
|
Z P 4 2 3 4 0
|
Z P 4 2 3 4 0
|
Z P 4 2 3 4 0
|
Z P 4 2 3 4 0
|
Z P 4 2 3 4 0
|
0 . 0 2 2 / 6 3 0
|
0 . 0 2 2 / 6 3 0
|
0 . 0 2 2 / 6 3 0
|
0 . 0 2 2 / 6 3 0
|
0 . 0 2 2 / 6 3 0
|
W S 3 2 0 5 0
|
W S 3 2 0 5 0
|
W S 3 2 0 5 0
|
W S 3 2 0 5 0
|
W S 3 2 0 5 0
|
A C - 0 2 0
|
A C - 0 2 0
|
A C - 0 2 0
|
A C - 0 2 0
|
A C - 0 2 0
|
6
5
4
STATUS
NET
1
2
3
indicator
indicator
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
1 K
1 K
1 K
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
R E S I S T O R
( m o d e l )
J
J A P A N
R E M A R K S
P A R T S
N A M E
U
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
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 )
R
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
T
C H I N A
M E T A L
F I L M
R E S I S T O R
K
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
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
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 )
G
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
L
S I N G A P O R E
C H I P R E S I S T O R
E
S O U T H E U R O P E
V
T A I W A N
M a i n s
F
R U S S I A N
P 1 0 0
P
L A T I N A M E R I C A
2
1
1
S
B R A Z I L
H
T H A I
1
Details of colored lines
Red / full line:
Red /dashed line:
Orange:
Yellow:
Green:
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。
Brown:
Blue:
K
L
M
N
O
P
E1
Page 51
X10
W X C o n l y
2
to MAIN (1)_CB205
W 8 0 1
S A N - P H
8 P 7 0 M M B & C
+ 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
M T _ N _ P R E
MAIN (2)
C 6 1 8
C 6 1 9
S T 6 0 2
2 2 0 0 P / 2 5 0 ( X 7 R )
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 )
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 50
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
A
C
O
M
B
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
2
3
2
1
8
7
6
5
4
3
2
1
4
3
2
1
2
1
3
8
1
M A I N ( 5 )
M A I N ( 1 )
Power supply (+)
Power supply (-)
Signal detect
Clock
Protection detect
Reset signal
Panel key input
Q
R
S
T
U
V
M A I N ( 4 )
MAIN (4)
P r e - o u t
8 0 1 - 9 0 0
R 8 2 7
0
C 8 0 1
C 8 0 3
C 8 1 4
0 . 1 / 1 6
0 . 1 / 1 6
0 . 1 / 1 6
I C 8 0 2
I C 8 0 2
I C 8 0 2
I C 8 0 1
I C 8 0 1
I C 8 0 1
T C 7 S E T 0 0 F
T C 7 S H U 0 4 F U
2
V
+
5
V
+
3
P J 8 0 2
B
C 8 0 6
Q 8 0 1
1
R 8 0 7
2
4
R 8 0 1
C 2 7 1 2 - Y ( T E 8 5 R , F
M S P - 2 5 1 V - 0 5 N I
C 8 0 8
1 K
1 K
1 / 1 6
R 8 0 6
C O A X O U T
A
4
5
V
-
3
V
-
7 5
1 / 1 6
U 8 0 1
D G N D
J S T 2 1 6 5
C 8 1 0
0 . 1 / 1 6
O P T O U T
S W 8 0 1
S K A - 1 2 D 0 1 N - G 4 - N
PRE AMP
P r e A m p
3
2
M O D E S W
1
P l a y e r
PLAYER
P J 8 0 1
M S P - 2 5 2 V 2 - 0 4 _ N I
L
2 H
2 E
C 8 1 5
R 8 2 3
G 1
P R E - O U T
2 . 2
0 . 0 1 ( B )
1 E
1 H
R
W X A o n l y
M A I N ( 5 )
S P O u t
9 0 1
1 0 0 0
R Y 9 0 1
5
4
T E 9 0 1
R E D
S P O U T L
B L A C K
W 9 0 1
G
S P _ L
S P G L
S P G R
R Y 9 0 1
S P _ R
2
3
T E 9 0 2
R E D
S P O U T R
B L A C K
G
R 9 0 3
W 9 0 2
F A N _ C T R L
F A N _ L O C K
A M P _ O L V
R 9 0 1
+ 1 5 V
S P R Y _ C T R L
D G N D
Q 9 0 2
F A N +
D G N D
F A N _ L O C K
C B 9 0 1
R 9 1 3
Q 9 0 3
W
X
Y
Z
OPT OUT
COAX OUT
PRE OUT
IC604: R1515H120B-T1-FE
CMOS-based positive voltage regulator
Thermal Shutdown
Circuit
5
1
VOUT
V IN
Internal
VR
Vref
Short
Current Limit
Protection
3
2,4
CE
GND
Pin No.
Symbol
Description
1
V
Output Pin
OUT
2
GND
Ground Pin
3
CE
Chip Enable Pin ("H" Active)
4
GND
Ground Pin
5
V
DD
Input Pin
IC801: TC7SHU04FU
Inverter
NC
1
5
V CC
A
Y
IN A
2
L
H
3
4
GND
OUT Y
H
L
IC802: TS7ST00F
2-input NAND gate
IN B
1
5
V
CC
IN A
2
GND
3
4
OUT Y

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