Schematic Diagrams - Yamaha A-S2100 Service Manual

A B C

SCHEMATIC DIAGRAMS

INPUT 1/2
1
I N P U T ( 1 )
W 9 0 1
A G N D
1
A G N D
A G N D
A G N D
A G N D
Page 76 E2
A G N D
to INPUT (2)_CB31
A G N D
B A L _ R - 2
3
B A L _ R +
4
2
A G N D
R Y 9 1 3 R Y 9 1 3
B A L _ L -
1 2 B A L _ L + 5
6
S A N - P H 7
E C 2 - 2 4 N U - F E C 2 - 2 4 N U - F
BAL L 2
3
4
R Y 9 1 4 R Y 9 1 4
5
6
7
E C 2 - 2 4 N U - F E C 2 - 2 4 N U - F
3 C B 9 0 1
P O L
Page 79 L5
A G N D
2
to FUNCTION (2)_W1002
P O R
3
C H A S S I S
P H I
D 9 0 1
n o _ u s e
D 9 0 2
P J 9 0 1 n o _ u s e
2 R 9 1 8
R R
1 P 4 7 0
1
C 9 0 1
3
TUNER
n o _ u s e
4
4
5 R 9 1 9
L L
1 P 4 7 0
T 7 4 3 1 - A A A A
P J 9 0 2
R 9 2 0
2
R R
1 P 4 7 0
1
G
INPUT
CD
3
5
4
5 R 9 2 1
L L
1 P 4 7 0
C 9 0 7
T 7 4 3 1 - A A A A
n o _ u s e
P J 9 0 3
R 9 2 2
2
R R
1 P 4 7 0
1
G
LINE 1
3
4
5 R 9 2 3
L
L
1 P 4 7 0
C 9 0 2
T 7 4 3 1 - A A A A
6
n o _ u s e
T 6 9 0 5 - A A A E
R 9 2 4
L
L
8 1 P 4 7 0
5
G
9
PB
6
R 9 2 5
L
L
7 1 P 4 7 0
C 9 0 3
LINE 2
n o _ u s e
R 9 1 5
R 1 / 2 P 4 7 0
R
7 4
REC OUT
1 J 9 1 2
n o _ u s e
J 9 1 3
n o _ u s e
2
R
R
3
C 9 0 6
P
P J 9 0 4
n o _ u s e
8
R 9 1 4
1 / 2 P 4 7 0
C 9 0 4
T 6 9 0 5 - A A A E
R 9 2 6
n o _ u s e
1 / 2 P 4 7 0
L
L
8
5
G
9
MAIN IN
6
9
L L
7 R 9 2 7
1 / 2 P 4 7 0
L 9 0 1
M M Z 1 6 0 8 Y 6 0 1
R
R R 9 2 8
4
1 / 2 P 4 7 0
PRE OUT
1
J 9 1 6
n o _ u s e
J 9 1 7
2
n o _ u s e
R R
3
P J 9 0 5
R 9 2 9
L 9 0 2 1 / 2 P 4 7 0
10 M M Z 1 6 0 8 Y 6 0 1
C 9 0 5
P
0 . 0 1 / 1 0 0
D E F
I N P U T
S E L E C T O R
W 9 0 7 A W 9 0 7 B
R Y _ S E L _ B A L _ P
C 9 3 6
P
n o _ u s e
4 R 1 0 3 3
3
B A L _ R - +
n o _ u s e
2 R Y B _ P L T Y
K 2 0 9
R Y 9 0 3 R Y 9 0 3
B A L _ L - +
7
6
5
E C 2 - 2 4 N U - F E C 2 - 2 4 N U - F
R Y _ B A L G A I N _ P
U N B A L A N C E
R Y _ S E L _ B A L _ P
C 9 3 7
P
B A L A N C E
n o _ u s e
5
E C 2 - 2 4 N U - F 6
7
R Y 9 0 6
4
K 2 0 9
3 R Y 9 0 5
E C 2 - 2 4 N U - F
2
R Y _ T U _ P
7
6
5
R Y 9 0 6
E C 2 - 2 4 N U - F
R Y _ C D _ P
E C 2 - 2 4 N U - F
R Y 9 0 7
4
3
W 9 0 8 A W 9 0 8 B
2 n o _ u s e n o _ u s e
C 9 3 4
P
n o _ u s e
R 1 0 3 4
7
0
6
K 2 0 9
5
R Y 9 0 7
E C 2 - 2 4 N U - F
E C 2 - 2 4 N U - F R Y _ L I N E 1 _ P
R Y 9 0 8
4
3
2
C H A S S I S 1
R Y _ B A L G A I N _ P
7
6
5
R Y 9 0 8
E C 2 - 2 4 N U - F
E C 2 - 2 4 N U - F R Y _ L I N E 2 _ P
R Y 9 1 0
5
6
U N B A L A N C E
7
C 9 3 5
P
B A L A N C E n o _ u s e
5
R Y _ S E L _ B A L _ P
6
R Y 9 1 1
7
2
E C 2 - 2 4 N U - F K 2 0 9
3
4
R Y 9 1 0
E C 2 - 2 4 N U - F
C 9 2 4
R 9 3 0 R 9 3 6
5 1 0 5 1 0 -0.02V(Vceo)
1 0 / 5 0
Q 9 0 9
+13.01V(Vcbo)
R 9 3 7
1 0 K
Q 9 0 5 +13.3
-25.8V(Vceo) V + 3
8
D 2 7 0 4 ( K )
+13.09V(Vcbo) 1
Q 9 1 3 I C 9 0 1
R 9 3 8 2
4 7 K
N _ M T _ R E C _ P
1 0 K
O P A 2 1 3 4 U A / 2 K 5 E 4
Q 9 0 1
R 9 6 5
Q 9 0 2
C 9 3 8
2 . 7 K
P
R 9 3 9
K R C 4 0 4 - R T K / P
1 0 0 P / 6 3 0
1 0 K
+13.09V(Vcbo)
+13.01V(Vcbo)
C 9 3 9
P
R 9 4 0
R 9 6 6
1 0 0 P / 6 3 0
1 0 K
2 . 7 K
Q 9 0 6
O P A 2 1 3 4 U A / 2 K 5 E 4
D 2 7 0 4 ( K )
R 9 3 1 R 9 4 1 C 9 2 5
6
I C 9 0 1
5 1 0 5 1 0 7
1 0 / 5 0 4
5
V -
R E C M U T E
+13.3
R Y _ M D I R _ P
E C 2 - 2 4 N U - F
R Y 9 1 2
+ 1 2 P R E
D 9 1 5
-0.01V(Vceo)
1 S S 3 5 5 V M
+ 5 S
D 9 1 6
-25.95V(Vceo)
Q 9 1 2
1 S S 3 5 5 V M
R Y 9 1 2 A 1 0 3 7 A K ( Q / R / S )
E C 2 - 2 4 N U - F
C 9 2 6
R 9 3 2 R 9 4 2
5 1 0 5 1 0
1 0 / 5 0
Q 9 0 7 4 7 K N _ M T _ P R E _ P
+13.03V(Vcbo)
Q 9 0 3 +13.18V(Vcbo) R 9 4 6
R 9 3 4
1 0 K
1 0 K
D 2 7 0 4 ( K )
D 2 7 0 4 ( K ) K R C 4 0 4 - R T K / P
+13.09V(Vcbo) Q 9 0 8 +13.03V(Vcbo)
R 9 3 5 R 9 4 7
1 0 K 1 0 K
Q 9 0 4 D 2 7 0 4 ( K )
D 2 7 0 4 ( K )
R 9 3 3 R 9 4 3 C 9 2 7
5 1 0 5 1 0 1 0 / 5 0
P R E O U T
M U T E
G H
S W S e l R f R s G A I N
H i 2 2 k 1 0 k / / 6 . 2 k : 3 . 8 3 k 1 6 . 5 8 d B
L o w & U N B A L A N C E 2 2 k 1 0 k 1 0 . 1 d B
-18.99V(Vceo)
Q 9 3 5
+20.2V(Vceo)
A 1 3 1 2 - G R , B L ( T E 8
C 9 4 4
P
2 2 P / 6 3 0
R 9 9 2
2 2 K
K 2 0 9 G A I N L O W
& U N B A L A N C E
Q 9 2 8
B A L A N C E
G A I N H I
Q 9 3 6
C 3 3 2 4 - G R , B L ( T E 8 -20.6V(Vceo)
5 4
R Y 9 0 4
+20.43V(Vceo) +19.28V(Vceo)
R Y 9 0 4
7 2
E C 2 - 2 4 N U - F 6 3
-19.22V(Vceo)
Q 9 3 7
+20.48V(Vceo)
A 1 3 1 2 - G R , B L ( T E 8
R 9 8 9 R 9 9 4
4
2 2 K
6 . 8 K
3
2
K 2 0 9 R 9 8 3
R Y 9 0 5
3 3 0 K C 9 4 7
+20.49V(Vceo)
2 2 P / 6 3 0 Q 9 3 8
C 3 3 2 4 - G R , B L ( T E 8
-20.34V(Vceo)
Q 9 3 0
C 3 3 2 4 - G R , B L ( T E 8 +19.26V(Vceo)
Q 9 3 9
A 1 3 1 2 - G R , B L ( T E 8
C 9 4 5
P
2 2 P / 6 3 0
R 9 9 0
2 2 K
K 2 0 9 G A I N L O W
& U N B A L A N C E
B A L A N C E
Q 9 3 2
G A I N H I
Q 9 4 0
C 3 3 2 4 - G R , B L ( T E 8
5 4
R Y 9 0 9
R Y 9 0 9
7 2
6 3
E C 2 - 2 4 N U - F
Q 9 4 1
A 1 3 1 2 - G R , B L ( T E 8
R 9 9 3
R 9 9 1
4
6 . 8 K 2 2 K
3
2
K 2 0 9
R Y 9 1 1
R 9 8 4
3 3 0 K C 9 4 6
P
2 2 P / 6 3 0
Q 9 4 2
Q 9 3 4 C 3 3 2 4 - G R , B L ( T E 8
C 3 3 2 4 - G R , B L ( T E 8
7 . 3 8 V 1 0 . 9 m A
+ 1 2 . 9 V
R 9 8 7 ( 1 2 . 6 m A R E C M U T E O N )
R 9 7 9 1 P 6 8 0 + 2 0 . 2 8 V
2 2 K
R 9 8 0
2 2 K
R E C O U T B U F F E R
G A I N : - 1 5 . 7 2 d B
R 9 8 1
2 2 K
R 9 8 2
2 2 K
R 9 8 8 - 2 0 . 2 8 V
- 1 2 . 9 V 1 P 6 8 0
1 0 . 9 m A
7 . 3 8 V
P N 9 0 1 P N 9 0 2
n o _ u s e n o _ u s e
I J K
INPUT (1)
W 9 0 2
+20.8 L I N E 1 + 2 0 V 1
-20.8 L I N E 1 - 2 0 V
L I N E 1 _ A G N D
L I N E 1 _ A G N D 4
S C N - X H
6 7 m A
W 9 0 3
L I N E L , R
L + 1
A G N D
L -
A G N D
to FUNCTION (1)_CB713
R +
A G N D
R - 7
W 9 0 6
A G N D
to FUNCTION (1)_ST714
5 5 m A
P R E O U T
W 9 0 4
P R E O U T _ L 1
A G N D
P R E O U T _ R
+13.3 + 1 2 P R E to FUNCTION (1)_CB715
-13.3 - 1 2 P R E 5
S A N - P H
W 9 0 5
R 1 0 3 1
N _ M T _ P R E _ P N _ M T _ P R E 1
1 K R 1 0 3 2
N _ M T _ R E C _ P N _ M T _ R E C
1 K +5.0 + 5 S
R Y B _ P L T Y R Y B _ P L T Y
R Y _ B A L G A I N _ P R Y _ B A L G A I N
R Y _ S E L _ B A L _ P R Y _ S E L _ B A L
R Y _ T U _ P R Y _ T U
R Y _ C D _ P R Y _ C D to FUNCTION (1)_CB504
R Y _ L I N E 1 _ P R Y _ L I N E 1
R Y _ L I N E 2 _ P R Y _ L I N E 2
R Y _ M D I R _ P R Y _ M D I R
-12.3 - 1 2 D
N C 1 3
S A N - P H
L M N
A-S2100
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 )
M E T A L O X I D E F I L M R E S I S T O R
M E T A L F I L M R E S I S T O R
M E T A L P L A T E R E S I S T O R
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 E M E N T M O L D E D R E S I S T O R
S E M I V A R I A B L E R E S I S T O R
C H I P R E S I S T O R
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
T A N T A L U M 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
N O T I C E
( m o d e l )
J J A P A N
Page 76 M5
U U . S . A
to INPUT (2)_CB34
C C A N A D A
R G E N E R A L
T C H I N A
K K O R E A
A A U S T R A L I A
B B R I T I S H
G E U R O P E
L S I N G A P O R E
E S O U T H E U R O P E
V T A I W A N
F R U S S I A N
P L A T I N A M E R I C A
S B R A Z I L
H T H A I
Page 78 F10
Page 78 F10
Page 78 K4
IC901: OPA2134UA/2K5E4
Audio operational amplifier
OUT A 1 V+
8
A
-IN A 2 - + 7 OUT B
B
+IN A 3 6 -IN B
+ -
V- 4 5 +IN B
Page 77 C2
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
★ 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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