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Yamaha RX-V381 Service Manual page 92

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Table of Contents

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A
B
C
RX-V381/HTR-3069
1
DIGITAL 4/5
F r o m 0 0 5 . s h t
( U S B )
U S B _ S P D I F
to DIGITAL 5/5
U S B _ S P D I F
+ 3 . 3 D
R 2 6 1 5
D I R _ N _ R S T
1 0 K
D I R _ N _ R S T
D S P _ M I S O
D I R _ N _ I N T
D I R _ N _ I N T
D S P _ M O S I
F r o m 0 0 2 . s h t
D I R _ N _ C S
D I R _ N _ C S
D G N D
D G N D
( C P U )
D S P _ S C K
D S P _ S C K
to DIGITAL 2/5
D S P _ M O S I
D S P _ M O S I
D S P _ M I S O
2
D S P _ M I S O
D S P _ S C K
D I R _ N _ C S
R 2 6 0 6
1 0 K X 4
F r o m 0 0 1 . s h t
R X I N 6 / A L R C K I 0
( H D M I R x )
R X I N 5 / A B C K I 0
R X I N 4 / A S C K I 0
H D M I _ M C K
H D M I _ M C K
R 2 6 0 1
H D M I _ B C K / D D C K
1 0 K
H D M I _ B C K / D D C K
A
A
V
V
1
1
_
_
D
D
H D M I _ W C K / D L 2
H D M I _ W C K / D L 2
D I R _ N _ R S T
R 2 6 1 4
D G N D
to DIGITAL 1/5
H D M I _ S D 0 / D L 0
H D M I _ S D 0 / D L 0
A U D 2 _ D
1 0 0
H D M I _ S D 3 / D R 0 / S P F
L 2 6 0 5
H D M I _ S D 3 / D R 0 / S P F
+ 3 . 3 D
H D M I _ A R C
H D M I _ A R C
B K P 1 0 0 5 H S 6 8 0 - T
A U D 1 _ D
F r o m 0 0 3 . s h t
( D S P )
3
DIGITAL IN
D I R _ M C K 1
D I R _ B C K
D I R _ B C K
to DIGITAL 3/5
D I R _ W C K
D I R _ W C K
D I R _ S D O
D I R _ S D O
F r o m 0 0 2 . s h t
A/D IN
( C P U )
F r o m 0 0 2 . s h t
( C P U )
3 D _ P O N
4
to DIGITAL 2/5
5
6
+ 7 V
Page 95
B4
D G N D
to OPERATION (4)_CB521
+ 7 D
J _ N _ T E S T
3.285V
1
J _ N _ T E S T
R _ 2 0 0 _ D E T
3.288V
2
R _ 2 0 0 _ D E T
T H M 1 _ P R T
3
T H M 1 _ P R T
1.542V
C 2 6 4 5
n o _ u s e
D G N D
0.000V
4
C 2 6 5 0
n o _ u s e
+ 7 D
8.88V
5
+ 5 A
5.022V
6
+ 5 A
C 2 6 5 1
n o _ u s e
A G N D
0.000V
7
A G N D
C 2 6 7 5
n o _ u s e
+ 3 . 3 T
3.489V
8
+ 3 . 3 T
7
M G N D
0.000V
9
D G N D
+ 3 . 3 M
C 2 6 5 2
n o _ u s e
3.286V
1 0
+ 3 . 3 M
P W R _ R Y
R 2 6 2 9 1 0 0
2.926V
1 1
P W R _ R Y
R 2 6 3 0 1 0 0
A C P W R _ D E T
3.258V
1 2
A C P W R _ D E T
5 2 1 5 1
D G N D
D G N D
8
9
N O T I C E
( m o d e l )
R E S I S T O R
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
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
G
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
★ All voltages are measured with a 10M Ω /V DC electronic voltmeter.
V
T A I W A N
F
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
P
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 specifications equal to those originally installed.
10
S
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
H
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
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
S
● 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
92
D
E
F
R 2 6 2 4 4 7
R 2 6 2 5 4 7
L 2 6 0 6
R 2 6 0 9
B K P 1 0 0 5 H S 6 8 0 - T
3 3 X 4
R 2 6 1 6
3 3
M C / S C L
M P I O _ B 1
M S / A D R 1
M P I O _ B 0
M O D E
M P I O _ C 3
H D M I _ S D 0 / D L 0
DIR/ADC
R X I N 7 / A D I N 0
M P I O _ C 2
H D M I _ W C K / D L 2
M P I O _ C 1
H D M I _ B C K / D D C K
M P I O _ C 0
H D M I _ M C K
M P I O _ A 3
H D M I _ S D 3 / D R 0 / S P F
R X I N 3
M P I O _ A 2
H D M I _ A R C
R X I N 2
M P I O _ A 1
B T _ S P D I F
R S T
M P I O _ A 0
U S B _ S P D I F
R X I N 1
N P C M / I N T 1
3 3
R 2 6 2 6
D I R _ N _ I N T
V D D R X
E R R O R / I N T 0
+ 3 . 3 D
B K P 1 0 0 5 H S 6 8 0 - T
+ 5 A
L 2 6 1 1
X L 2 6 1
4
3
C 2 6 4 2
1 0 / 1 0
1
2
C 2 6 4 3
2 4 . 5 7 6 M H Z
0 . 1 / 1 0 ( B J )
L 2 6 1 0
B K P 1 0 0 5 H S 6 8 0 - T
1 / 1 0
+ 3 . 3 D
4 7 0 0 P / 2 5 ( B )
D G N D
C 2 6 4 1
C 2 6 4 0
6 8 0
R 2 6 2 0
0 . 0 6 8 / 1 0 ( B J )
+ 3 . 3 H P L L
+ 3 . 3 H P L L
n o _ u s e
G N D
V O U T
S O T - 8 9 - 5
+ 3 . 3 D
to DIGITAL 2/5
L 2 6 0 7
+ 3 . 3 V
B L M 2 1 P G 6 0 0 S N 1 D
N R S 6 0 4 5 T 1 0 0 M M G K
C 2 6 1 4
0 . 1 / 1 0 ( B J )
C 2 6 0 5
L 2 6 0 3
L 2 6 0 1
3 9 0 0 P ( B )
1 0 U H
B L M 2 1 P G 6 0 0 S N 1 D
D A C _ P O N
C 2 6 0 6
1 0 0 0 P ( B )
D G N D
1
2
3
4
B D 9 3 2 8 F J
I C 2 6 1
G
8
7
6
5
No replacement part available.
サービス部品供給なし
R 2 6 1 0
+ 1 . 2 V
7 . 5 K
+ 1 . 2 D S P
L 2 6 0 8
B L M 2 1 P G 6 0 0 S N 1 D
N R S 6 0 4 5 T 1 0 0 M M G K
C 2 6 1 5
0 . 1 / 1 0 ( B J )
C 2 6 0 7
L 2 6 0 4
L 2 6 0 2
3 9 0 0 P ( B )
1 0 U H
B L M 2 1 P G 6 0 0 S N 1 D
C 2 6 0 8
1 0 0 0 P ( B )
1
2
3
4
D G N D
D G N D
B D 9 3 2 8 F J
I C 2 6 2
G
8
7
6
5
No replacement part available.
サービス部品供給なし
R 2 6 1 1
3 K
+ 1 . 1 V
+ 1 . 1 H
L 2 6 1 4
B L M 2 1 P G 6 0 0 S N 1 D
B L M 2 1 P G 6 0 0 S N 1 D
C 2 7 2 3
N R S 6 0 4 5 T 1 0 0 M M G K
L 2 6 1 3
L 2 6 0 9
0 . 1 / 1 0 ( B J )
C 2 7 1 9
3 9 0 0 P ( B )
1 0 U H
L 2 6 1 6
C 2 7 2 0
1 0 0 0 P ( B )
2 . 4 5 A
1
2
3
4
B D 9 3 2 8 F J
I C 2 6 8
G
D G N D
D G N D
D G N D
8
7
6
5
No replacement part available.
サービス部品供給なし
R 2 6 4 6
D e s t i n a t i o n P a r t L i s t
2 . 7 K
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - +
|
s x x
|
L O C A T I O N
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - +
|
s 2 6 1
|
C B 2 6 6
|
|
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - +
|
s 2 6 2
|
C 2 7 3 4
|
|
C 2 7 3 5
|
|
C 2 7 3 6
|
|
C 2 7 3 7
|
|
C 2 7 3 8
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - +
|
s 2 6 3
|
C 2 6 7 4
|
|
C 2 7 3 3
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - +
|
s 2 6 4
|
C 2 7 4 3
|
|
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - +
|
s 2 6 5
|
C 2 6 3 3
|
|
C 2 6 4 6
|
|
C 2 7 2 6
|
|
C 2 7 2 9
|
|
C 2 7 4 0
|
|
C 2 7 4 1
|
|
C 2 7 4 2
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - +
|
s 2 6 6
|
R 2 6 3 1
|
|
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - +
|
s 2 6 7
|
R 2 6 4 3
|
|
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - +
|
s 2 6 8
|
R 2 6 4 0
|
|
R 2 6 5 0
|
|
R 2 6 5 3
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - +
|
s 2 6 9
|
L 2 6 1 5
|
|
+ - - - - - - - - + - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - +
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
G
H
C 2 6 6 5
1 0 / 1 6
C 2 6 6 6
1 0 / 1 6
+ 5 A
n o _ u s e
C 2 7 1 5
0 . 1 / 1 0 ( B J )
C 2 7 1 6
n o _ u s e
C 2 7 1 1
D A C
D G N D
DAC
to DIGITAL 2/5
Z R 1 / Z R 1 / F M T 0
Z R 2
D A C _ N _ C S
M S / A D R / F M T 1
V O U T 1
D A C _ N _ C S
D S P _ S C K
M C / S C L / D E M P
V O U T 2
D S P _ S C K
D S P _ M O S I
M D / S D A / M U T E
V C O M
D S P _ M O S I
C 2 6 6 1
D I R _ M C K 2
S C K
A G N D 2
1 0 / 1 6
T I _ S D F
D A T A 1
V C C 2
C 2 6 5 9
T I _ S D F
to DIGITAL 3/5
1 / 1 0
T I _ B C K
B C K
V O U T 3
T I _ B C K
FL/FR
T I _ W C K
L R C K
V O U T 4
T I _ W C K
+ 3 . 3 D A C
n o _ u s e
1 / 1 0
V D D
V O U T 5
C/SW
C 2 6 5 6
C 2 6 5 8
D G N D
V O U T 6
C 2 6 6 0
T I _ S D C
D A T A 2
A G N D 1
T I _ S D C
Q 2 6 0 4
T I _ S D S
D A T A 3
V C C 1
D G N D
R A L 0 3 5 P 0 1
T I _ S D S
1 / 1 0
T I _ S D S B
D A T A 4
V O U T 7
T I _ S D S B
SL/SR
4
5
6
M S E L
V O U T 8
C 2 6 5 7
3
2
1
0 . 0 1 / 1 6 ( B )
D 2 6 0 3
R 2 6 2 2
D G N D
A G N D
C 2 6 7 8
5 . 1 K
n o _ u s e
D 2 6 0 4
0 . 0 1 / 1 6 ( B )
n o _ u s e
n o _ u s e
C 2 7 1 2
D G N D
n o _ u s e
C 2 7 1 3
D G N D
n o _ u s e
C 2 7 1 4
L 2 6 1 5
s 2 6 9
R 2 6 5 3 s 2 6 8
R 2 6 5 0 s 2 6 8
s 2 6 2
C 2 7 3 4
s 2 6 2
C 2 7 3 5
s 2 6 2
C 2 7 3 6
s 2 6 2
C 2 7 3 7
Bluetooth IN
S h i e l d O N
R 2 6 2 7
2 2
s 2 6 6
R 2 6 3 1
B T _ C O N N E C T
R 2 6 3 2
B T _ M I S O
2 2
s 2 6 7
B T _ M O S I
R 2 6 4 3
B T _ N _ R S T
|
J U C A
|
R K B G L V F S
|
T
|
|
W K 4 1 5 5 0
|
W K 4 1 5 5 0
|
X
|
|
2 0 F L T - S M 2 - T B
|
2 0 F L T - S M 2 - T B
|
|
|
U S 6 2 5 1 0
|
U S 6 2 5 1 0
|
X
|
|
0 . 1 / 1 0 ( B J )
|
0 . 1 / 1 0 ( B J )
|
|
T h e p o w e r p a t t e r n , a n d p l a c e a t a p p r o x i m a t e l y e q u a l i n t e r v a l s .
|
|
|
|
|
|
|
|
|
|
|
|
+ 1 . 2 D S P
+ 1 . 1 H
+ 3 . 3 D
+ 3 . 3 M
|
U S 6 3 4 1 0
|
U S 6 3 4 1 0
|
X
|
|
0 . 0 1 / 1 6 ( B )
|
0 . 0 1 / 1 6 ( B )
|
|
|
U S 6 6 2 1 0
|
U S 6 6 2 1 0
|
X
|
|
1 0 0 P ( C H )
|
1 0 0 P ( C H )
|
|
|
U S 6 6 3 1 0
|
U S 6 6 3 1 0
|
X
|
|
1 0 0 0 P ( B )
|
1 0 0 0 P ( B )
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
R D 3 5 4 2 2
|
R D 3 5 4 2 2
|
X
|
|
2 2
|
2 2
|
|
D
G
N
D
D G N D
D
G
N
D
D G N D
|
R D 4 5 5 1 0
|
R D 4 5 5 1 0
|
X
|
|
1 0 0
|
1 0 0
|
|
|
R D 4 5 7 1 0
|
R D 4 5 7 1 0
|
X
|
|
1 0 K
|
1 0 K
|
|
|
|
|
|
|
V 2 4 4 9 9 0
|
V 2 4 4 9 9 0
|
X
|
| B L M 2 1 P G 6 0 0 S N 1 D | B L M 2 1 P G 6 0 0 S N 1 D |
|
I
J
K
DIGITAL IN
C 2 6 7 3
0 . 1 / 1 0 ( B J )
+ 3 . 3 D
+ 3 . 3 D
1
3.281V
D G N D
A U D 1 _ D
A U D 1 _ D
A U D 1 _ D
2
34.5mV
D G N D
D G N D
3
0.000V
A U D 2 _ D
A U D 2 _ D
A U D 2 _ D
4
145.3mV
D G N D
D G N D
5
0.000V
A
A
V
V
1
1
_
_
D
D
A V 1 _ D
6
130.8mV
D G N D
Page 98
F6
D G N D
7
0.000V
A G N D
8
0.000V
to MAIN (3)_CB41
A D R
A D R
9
0.1mV
A G N D
1 0
0.2mV
A D L
A D L
1 1
-0.2mV
N C
1 2
0
N C
1 3
0
N C
1 4
0
N C
0
1 5
5 2 4 1 8
S T 2 6 1
D G N D
ANALOG IN
FRONT L
L 2 6 1 2
B K P 1 0 0 5 H S 6 8 0 - T
R 2 6 3 4
C 2 6 6 2
1 . 2 K
C
2
6
6
7
1 0 0 / 1 6
1
0
0
P
(
C
H
)
C
2
6
6
8
1
0
0
P
(
C
H
)
R
2
6
3
7
1
.
2
K
CENTER
F L O
D A _ F L
D A _ F L
1
2.425V
F R O
R 2 6 3 5
A G N D
2
0.000V
1 . 2 K
C
2
6
6
9
D A _ F R
D A _ F R
3
2.427V
1
0
0
P
(
C
H
)
A G N D
4
0.000V
C
2
6
7
0
D A _ C
D A _ C
5
2.443V
1
0
0
P
(
C
H
)
C O
A G N D
Page 98
F3
R
2
6
3
8
6
0.000V
S W O
1
.
2
K
D A _ S W
D A _ S W
to MAIN (2)_CB48
7
2.438V
SUBWOOFER
S L O
A G N D
0.000V
8
S R O
R 2 6 3 6
D A _ S L
D A _ S L
9
2.434V
1 . 2 K
C
2
6
7
1
A G N D
1 0
0.000V
1
0
0
P
(
C
H
)
D A _ S R
D A _ S R
1 1
2.419V
C
2
6
7
2
SURROUND L
N C
0
1 2
1
0
0
P
(
C
H
)
N C
R
2
6
3
9
1 3
0
1
.
2
K
5 2 4 1 8
S T 2 6 2
D G N D
s 2 6 2
C 2 7 3 8
s 2 6 5
C 2 7 2 9
C B 2 6 6
B T _ 3 . 3 V
s 2 6 1
3.280V
D G N D
0.000V
U S B _ P N
0.428V
U S B _ D N
0.000V
D G N D
0.000V
B T _ A O U T _ N _ R
0.6mV
to Bluetooth Module
B T _ A O U T _ P _ R
0.6mV
B T _ A O U T _ N _ L
(U, C, A, R, K, B, G, F, L, V, S, J models)
0.6mV
B T _ A O U T _ P _ L
0.7mV
T o B T M O D U L E
D G N D
0.000V
B T _ L R C L K
B l u e t o o t h
1.2mV
B T _ S P D I F _ I N
1.0mV
B T _ S P D I F _ O U T
1.6mV
B T _ B C L K
1.5mV
B T _ C O N N E C T
0.000V
D G N D
0.000V
B T _ M I S O
3.275V
B T _ M O S I
3.286V
B T _ N _ R S T
3.266V
D G N D
0.000V
F L T 2 0 P T E
D G N D
+ 7 D
D I G I T A L 4 : D I R & D A & P O W E R
D G N D
L
M
N
IC265: PCM9211PTR
216-kHz digital audio interface transceiver (DIX) with stereo ADC and routing
FILT
43
AUXIN0
AUTO
RXIN7
RXIN0
DIR
DIR
RXIN0
37
20
SCKO
RXIN1
ADC
DOUT
RXIN1
35
PLL
MAIN
19
BCK
OUTPUT
RXIN2
AUXIN0
RXIN2
33
PORT
18
LRCK
SCKO/BCK/LRCK
RXIN3
AUXIN1
RXIN3
32
17
DOUT
RXIN4
RXIN4/ASCKIO
Lock:DIR
AUXIN2
31
Unlock:ADC
RXIN5
Clock/Data
RXIN5/ABCKIO
30
Recovery
RXIN6
RXIN6/ALRCKIO
29
RXIN7
AUTO
RXIN7/ADIN0
28
DIR
RXIN8
Lock
ADC
MPIO_A0
3
Detection
RXIN9
AUXIN0
DIT
MPIO_A1
4
MPIO_A
SELECTOR
RXIN10
AUXIN1
MPIO_A2
5
RXIN11
RECOUT0
AUXIN2
MPIO_A3
6
RECOUT1
DITOUT
RECOUT0
MPO0/1
15
MPO0
RECOUT1
SELECTOR
ADC
16
MPO1
DITOUT
VINL
47
ADC Mode
ADC
Control
VINR
48
VCOM
44
Com. Supply
AUTO
MPIO_C0
ADC Standalone
DIR
11
7
MPIO_B0
ADC
MPIO_C1
8
12
MPIO_B1
MPIO_C
AUXOUT
MPIO_B
SELECTOR
AUXIN0
SELECTOR
MPIO_C2
9
13
MPIO_B2
AUXIN1
AUXIN2
AUXIN1
MPIO_C3
10
14
MPIO_B3
AUXIN2
ADC Clock
(SCK/BCK/LRCK)
Divider
XTI
39
OSC
XTO
40
XMCKO
Secondary SCK/LRCK
SBCK/SLRCK
(To MPIO_A and MPO0/1)
(To MPIO_A)
XMCKO
Divider
Divider
Selector
REGISTER
EXTRA DIR FUNCTIONS
MC/SCL
25
1
ERROR/INT0
SPI/I
2
C
DIR CS
DIR
DIR
ERROR DETECTION
MDI/SDA
24
INTERFACE
Function
NPCM/INT1
PC
and
PD
IS
Calculator
2
Control
(48-bit)
Non PCM DETECTION
MDO/ADR0
23
Is Calculator
MPIO_A
MS/ADR1
26
Flags
GPIO/GPO
DIT CS
DIR
All Port
Data
(48-bit)
Interrupt
IS
Calculator
DTS-CD/LD Detection
MPIO_B
Validity Flag
MPIO_C
User Data
MPO0
POWER SUPPLY
Channel Status Data
RST
34
Reset and
BFRAME Detection
MPO1
ADC
DIR
DIR
Mode
ALL
Interrupt System
MODE
27
Set
ANALOG
ANALOG
ANALOG
46
45
42
41
36
38
22
21
V
C
C
A
D
A
G
N
D
A
D
V
C
C
A
G
N
D
VDDRX
GNDRX
D
V
D
D
D
G
N
D
IC266: PCM1681PWPR
Audio digital-to-analog converter
V
1
Output Amp and
OUT
DAC
BCK
Low-Pass Filter
LRCK
Output Amp and
V
2
OUT
DAC
Serial
Low-Pass Filter
DATA1 (1, 2)
Input
I/F
V
3
DATA2 (3, 4)
Output Amp and
OUT
DAC
Low-Pass Filter
DATA3 (5, 6)
DATA4 (7, 8)
8 x
V
Output Amp and
COM
DAC
Oversampling
Enhanced
Low-Pass Filter
V
OUT
4
Digital Filter
Multilevel
With
Delta-Sigma
Function
Output Amp and
Modulator
DAC
Controller
Low-Pass Filter
V
OUT
5
MS/ADR/FMT1
Output Amp and
DAC
MC/SCL/DEMP
Low-Pass Filter
V
6
OUT
MD/SDA/MUTE
Function
Control
Output Amp and
I/F
DAC
Low-Pass Filter
V
7
OUT
MSEL
Output Amp and
DAC
Low-Pass Filter
V
8
OUT
System Clock
System Clock
SCK
Z
e
o r
D
e
e t
t c
P
o
w
r e
S
u
p
p
y l
Manager
ZR1/ZR1/FMT0
1
28
ZR2
MS/ADR/FMT1
2
27
V OUT 1
I C / C B / X L : 2 6 1 -
MC/SCL/DEMP
3
26
V OUT 2
O H T E R
: 2 6 0 1 -
MD/SDA/MUTE
4
25
V COM
SCK
5
24
AGND2
DATA1
6
23
V CC 2
7
22
BCK
V OUT 3
8
21
LRCK
V OUT 4
V DD
9
20
V OUT 5
10
19
V OUT 6
DGND
11
18
AGND1
DATA2
V CC 1
DATA3
12
17
DATA4
13
16
V OUT 7
MSEL
14
15
V OUT 8

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