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Yamaha A-S2100 Service Manual page 82

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A
B
C
A-S2100
FRONT 1/2
1
FRONT (8)
6 P 8 0 M M B & B B L
F R O N T ( 8 )
+ 5 S
1
M G
T O N E
I _ T R E
I _ B A S
I _ L R B A L
I _ C N T R
6
W 4 0 7 A
S A N - S A N
2
P N 4 1 2
FRONT (2)
BALANCE
TREBLE
BASS
F R O N T ( 2 )
I C 4 0 1
B A 6 9 5 6 A N
1
2
3
4
5
6
7
8
9
M V O L
P N 4 1 3
4 . 9 V
7 P 1 0 0 M M B & C B L
+12.2
+ 1 2 D
1
M G
VOLUME
3
+5.0
+ 5 S
to chassis
R 4 5 7
I _ V O L
W 4 2 2
7
9
1
4
C 4 0 4
1 0 0
M G
B P
S R A - B I N
S
5
1 / 5 0
M V O L +
V R 4 0 1
V R 4 0 1
M V O L -
7
B 1 0 K
B 1 0 K
S
6
2
1 0
3
8
W 4 0 1
S A N - P H
F R O N T ( 7 )
FRONT (7)
S W 4 0 3
R 4 1 3
R 4 1 2
9 1 0
C
I S E L
R 4 1 1
1 . 1 K
R 4 1 0
1 . 3 K
R 4 0 9
1 . 8 K
4
3 P 1 4 0 M M B & B B L
R 4 0 7
2 . 2 K
I _ I S E L
3
R 4 0 6
2 . 7 K
M G
R 4 0 4
4 . 3 K
M G
1
R 4 0 3
6 . 2 K
INPUT
W 4 0 5 A
R 4 0 2
1 0 K
S A N - S A N
R 4 0 1
2 2 K
S R R M 1 C 7 8 0 0
8 2 K
FRONT (5)
S W 4 0 1
2 P 1 4 0 M M B & B B L
F R O N T ( 5 )
A S - 5 0 0 B - M - P C - A 0
M G
1
N _ M T _ L E V _ D E T
2
M U T E
W 4 0 3 A
AUDIO MUTE
S A N - S A N
5
FRONT (6)
F R O N T ( 6 )
S W 4 0 2
3 P 1 4 0 M M B & B B L
A S - 5 0 0 A - M - P C - A 0
M G
1
M M M C
M M M C _ L E V _ D E T
2
PHONO
M
G
3
MM/MC
W 4 0 4 A
S A N - S A N
FRONT (3)
4 P 1 0 0 M M B & B B L
F R O N T ( 3 )
+ 5 D
1
L E D _ M T
L E D _ M T
N C
AUDIO MUTE
N C
4
indicator
W 4 0 2 A
S A N - S A N
FRONT (4)
6
INPUT indicator
F R O N T ( 4 )
L E D
8 P 1 0 0 M M B & B B L
+ 5 D
1
L E D _ C D
L E D _ T U
L E D _ L I N E 1
L E D _ L I N E 2
L E D _ B A L
L E D _ P H O
L E D _ M D I R
8
W 4 0 6 A
S A N - S A N
7
SPEAKERS
OFF/A/B/A+B BI-WIRING
3 P 8 0 M M B & C B L
FRONT (10)
F R O N T ( 1 0 )
I _ S P A B
1
S W 4 0 4
R 4 2 8
0V
S W 4 0 4
M G
S P A B
R 4 2 4
3 . 3 K
1.23V
M
G
3
S P A B
O F F :
0 V
R 4 2 2
6 . 8 K
2.51V
S P A :
1 . 2 V
S R B M 1 4 0 7 0 0
W 4 0 9
2 7 K
3.93V
8
S P B :
2 . 5 V
S A N - P H
S P A + B : 3 . 9 V
O F F / A / B / A + B
S R B M 1 4 0 7 0 0
TRIM
4 P 8 0 M M B & C B L
FRONT (11)
-6/0/+6/+12 dB
I _ H P T R I M
1
F R O N T ( 1 1 )
S W 4 0 5
S W 4 0 5
R 4 2 7
0V
M G
H P _ T R M
R 4 2 3
3 . 3 K
1.24V
H P T R M
M G
R 4 2 1
6 . 8 K
2.51V
- 6 d B :
0 V
S R B M 1 4 0 7 0 0
M G
4
0 d B :
1 . 2 V
2 7 K
3.93V
+ 6 d B : 2 . 5 V
W 4 1 0
- 6 / 0 / + 6 / + 1 2
+ 1 2 d B : 3 . 9 V
S R B M 1 4 0 7 0 0
S A N - P H
7 P 1 4 0 M M B & B B L
N _ H P _ D E T
1
F R O N T ( 1 2 )
R Y _ H P
FRONT (12)
H P
M G
-12.3
- 1 2 D
2
H P L
3
4
H P G N D
J K 4 0 1
9
H P R
7
S I
Z A 1 2 5 9 0
J Y - 6 3 5 9 # J 3 - 0 9 0 G
B L
Z A 1 2 5 8 0
J Y - 6 3 5 9 # 0 3 - 0 9 0 G
W 4 1 1 A
P N 4 1 4
S A N - S A N
J K 4 0 1
HP_L
R 4 3 1
n o _ u s e
J 4 0 1
0
L
R 4 3 2
R
n o _ u s e
J 4 0 2
H P L
4
G N D
0
H P G N D
3
H P G N D
2
PHONES
H P R
5
C B 4 0 3
6
X H L
7
R Y 4 0 1
R Y 4 0 1
S T 4 0 1
E C 2 - 2 4 N U - F
E C 2 - 2 4 N U - F
10
Page 81
J8
to MAIN (2)_W204
82
D
E
F
to FUNCTION (1)_CB508
2
1
+ 5 S
+5.0
P N 4 0 1
C 4 2 6
R 4 3 7
M G
n o _ u s e
n o _ u s e
I _ T R E
I _ B A S
I _ L R B A L
6
I _ C N T R
W 4 0 7 B
S G 1
C 4 3 0
R 4 4 1
S A N - S A N
n o _ u s e
n o _ u s e
C 4 3 1
R 4 4 2
n o _ u s e
n o _ u s e
C 4 3 3
R 4 4 4
n o _ u s e
n o _ u s e
C 4 3 4
R 4 4 5
n o _ u s e
n o _ u s e
C 4 3 5
R 4 5 8
n o _ u s e
n o _ u s e
C 4 3 6
R 4 5 9
n o _ u s e
n o _ u s e
C 4 3 7
R 4 6 0
n o _ u s e
n o _ u s e
C B 4 1 2
1
+ 1 2 D
M G
+ 5 S
I _ V O L
M G
M V O L +
7
M V O L -
P H I
3
I _ I S E L
M G
1
M G
W 4 0 5 B
S A N - S A N
1
M G
2
N _ M T _ L E V _ D E T
W 4 0 3 B
S A N - S A N
1
M G
2
M M M C _ L E V _ D E T
3
M
G
W 4 0 4 B
S A N - S A N
+4.9
1
+ 5 D
L E D _ M T
N C
4
N C
W 4 0 2 B
S A N - S A N
+4.9
1
+ 5 D
L E D _ C D
L E D _ T U
L E D _ L I N E 1
L E D _ L I N E 2
L E D _ B A L
L E D _ P H O
8
L E D _ M D I R
M T R _ G A I N
W 4 0 6 B
P N 4 0 2
S A N - S A N
M T R _ M T
+ 1 2 D
+12.2
R 5 8 9
R 5 9 7
C 4 5 6
R 4 7 9
8
V +
1 K
3 9 K
1 / 5 0
4 3 K
B A 8 5 2 2 R F V M - T R
3
C 4 5 7
I C 4 0 3
I C 4 0 3
I C 4 0 3
R 4 8 0
2
1 / 5 0
8 2 K
-12.3
V -
D 4 2 3
4
R 4 8 3
2 7 0 K
1 S S 3 5 5 V M
R 5 8 3
R 5 8 5
C 4 5 9
D 4 2 2
1 0 K
1 0 K
I _ S P A B
1 0 P ( C H )
Q 4 3 1
Q 4 3 3
1 S S 3 5 5 V M
M G
D 2 7 0 4 ( K )
D 2 7 0 4 ( K )
2
C 4 5 5
R 4 8 1
M
G
P
3
1 0
0 . 0 1 / 1 0 0
C B 4 0 4
P H I
M G
5
I _ H P T R I M
6
M G
2
M G
3
M G
- 1 2 D
4
C B 4 0 7
P H I
+ 1 2 D
1
N _ H P _ D E T
R Y _ H P
M G
- 1 2 D
R 5 9 0
R 5 9 8
C 4 6 8
R 5 0 9
V +
+12.2
C 5 0 1
8
H P L
1 K
3 9 K
1 / 5 0
4 3 K
B A 8 5 2 2 R F V M - T R
3
H P G N D
1 0 / 1 6
C 4 6 9
I C 4 1 2
I C 4 1 2
I C 4 1 2
R 5 1 0
2
C 5 0 2
7
H P R
1 / 5 0
8 2 K
4
1 0 / 1 6
-12.3
R 5 8 4
R 5 8 6
W 4 1 1 B
D 4 3 1
V -
R 5 1 3
S A N - S A N
1 0 K
1 0 K
2 7 0 K
1 S S 3 5 5 V M
C 4 7 1
D 4 3 0
1 0 P ( C H )
1 S S 3 5 5 V M
C 4 6 7
R 5 1 1
P
1 0
0 . 0 1 / 1 0 0
P N 4 1 1
M G
5
6
- 1 2 D
G
H
Page 77
K4
Page 77
K5
to FUNCTION (1)_CB509
F U N C ( 1 )
F U N C ( 1 )
C B 5 0 8
C B 5 0 9
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
1 4
1 5
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
C 4 3 8
R 4 6 1
n o _ u s e
n o _ u s e
C 4 2 5
R 4 3 6
n o _ u s e
S G 1
n o _ u s e
C 4 3 9
R 4 6 2
n o _ u s e
n o _ u s e
C 4 4 0
R 4 6 3
n o _ u s e
n o _ u s e
C 4 4 1
R 4 6 4
n o _ u s e
n o _ u s e
C 4 4 5
R 4 6 8
n o _ u s e
n o _ u s e
C 4 4 6
R 4 6 9
n o _ u s e
n o _ u s e
C 4 4 8
R 4 7 1
n o _ u s e
n o _ u s e
C 4 4 9
R 4 7 2
n o _ u s e
n o _ u s e
C 4 5 0
R 4 7 3
n o _ u s e
n o _ u s e
+ 5 V R E G U R A T O R
D 4 1 4
T F Z G T R 7 . 5 B
P N 4 0 3
4 7 K
4 7 K
J 4 0 5
J 4 0 6
n o _ u s e
P E A K : 0 V
V U :
5 V
M T R _ O F F
P K / N _ V U
R Y _ H P
M T R _ G A I N
L E D _ M T
C O L O R
+5.1
V D D P
M T R _ M T
L E D _ M D I R
P 1 7
4 7 K
4 7 K
L E D _ P H O N O
V S S
Q 4 2 9
Q 4 3 0
N C
R E S
L E D _ B A L 1
V D D
+5.1
L E D _ L I N E 2
C S
L E D _ L I N E 1
C L K
L E D _ T U
D I N
L E D _ C D
D O U T
C 4 1 3
0 . 1 / 1 6
C O L O R
B L A C K
L O W
R 5 7 3
n o u s e
R 5 7 4
R D 3 5 7 1 0 ( 1 0 K )
P N 4 0 4
S I L V E R
H I G H
R 5 7 3
R D 3 5 7 1 0 ( 1 0 K )
R 5 7 4
n o u s e
N S T 4 5 0 1 1 M W 6 T 1 G
6
5
4
1
2
3
R 4 8 7
R 4 9 0
Q 4 3 5
2 . 2 K
1 5 K
D 4 2 4
C 4 6 1
1
Q 4 0 8
3
n o _ u s e
1 S S 3 5 5 V M
1 0 0 P ( C H )
C 4 6 0
R 4 9 1
H N 4 C 0 6 - J G R ( T E 8 5
C 4 6 2
C 4 6 3
1 0 0 P ( C H )
8
1 5 K
R 4 8 6
2
D 4 2 5
1 0 0 P ( C H )
1 0 0 P ( C H )
1
R 4 8 8
6
V +
+12.2
V +
0
2 . 2 K
8
+12.2
B A 8 5 2 2 R F V M - T R
I C 4 0 4
1
R 4 8 4
3
7
R 4 9 2
R 5 5 7
6
1 S S 3 5 5 V M
1 5 K
I C 4 0 4
I C 4 0 4
I C 4 0 4
5
1
7
4 7 K
4 7 K
2
B A 8 5 2 2 R F V M - T R
I C 4 0 5
I C 4 0 5
5
B A 8 5 2 2 R F V M - T R
B A 8 5 2 2 R F V M - T R
V -
-12.3
3
4
C 4 9 2
4
R 4 9 4
R 4 9 5
R 4 8 9
V -
-12.3
1 6 K
1 K
R 5 0 0
1 5 K
4 7 / 1 6
1 0 0 K
R 6 0 9
R 6 1 3
D
G
S
Y F 3 3 0 A 0
7
I C 4 0 3
B A 8 5 2 2 R F V M - T R
N S T 4 5 0 1 1 M W 6 T 1 G
6
5
4
Q 4 3 6
R 5 1 7
R 5 1 8
1
2
3
2 . 2 K
1 5 K
D 4 3 2
C 4 7 3
1 S S 3 5 5 V M
1 0 0 P ( C H )
n o _ u s e
C 4 7 2
1
Q 4 1 2
3
R 5 2 1
C 4 7 4
1 0 0 P ( C H )
1 5 K
H N 4 C 0 6 - J G R ( T E 8 5
R 5 1 6
2
V +
C 4 7 5
D 4 3 3
1 0 0 P ( C H )
1
R 5 1 9
6
8
+12.2
V +
2 . 2 K
+12.2
I C 4 0 7
8
1
R 5 1 4
3
7
R 5 2 2
R 5 5 8
2
1 0 0 P ( C H )
1 S S 3 5 5 V M
1 5 K
I C 4 0 7
I C 4 0 7
I C 4 0 7
5
1
B A 8 5 2 2 R F V M - T R
0
4 7 K
4 7 K
B A 8 5 2 2 R F V M - T R
I C 4 0 8
6
B A 8 5 2 2 R F V M - T R
3
4
7
B A 8 5 2 2 R F V M - T R
I C 4 0 8
-12.3
4
5
C 4 9 3
V -
R 5 2 0
V -
-12.3
R 5 2 3
R 5 2 5
1 5 K
4 7 / 1 6
1 6 K
1 K
R 5 3 0
1 0 0 K
D
G
S
7
I C 4 1 2
B A 8 5 2 2 R F V M - T R
Details of colored lines
I
J
K
F R O N T ( 1 )
FRONT (1)
F R O N T
5 P 1 4 0 M M B & B B L
D 4 1 5
R 4 4 8
+ 5 L E D _ P W R
1
1 K
1 S S 3 5 5 V M
L E D _ P W R _ R E T
2
M G
3
R E M
4
D 4 1 6
R 4 4 9
+ 5 M
5
3 K
1 S S 3 5 5 V M
Q 4 0 4
1 0 0 P ( S L )
W 4 1 2 A
R 4 5 0
1 0 K
C 4 9 7
S A N - S A N
n o _ u s e
K R C 4 0 2 - R T K / P
2 P 8 0 M M B & C B L
I _ M T R C O N
M
G
2
C B 4 0 2
P H I
+ 1 2 D
Q 4 2 4
5 P 1 2 0 M M B & C B L
C B 4 0 9
M T R _ L E D 1
1
M T R _ L E D 2
2
J 4 0 3
-
1
2
D
3
n o _ u s e
M T R _ L E D 3
4
M T R _ L E D 4
5
J 4 0 4
P H I
4 7 K
Q 4 2 2
M T R _ O F F
P K / V U
R 5 0 1
R 5 6 6
D 4 2 8
R 6 0 8
T P 7 2 8
2 7 K
3 3 K
C B 4 1 0
5 6 K
1 S S 3 5 5 V M
M e t e r L +
C 4 6 4
M e t e r L -
V +
1 0 0 P ( C H )
2
P H I
8
+12.2
R 6 2 9
R 6 1 0
2
M I N
R 5 0 7
1
D 4 2 9
3
1
6 8 K
1 0 0 K
2 K
I C 4 0 6
I C 4 0 6
I C 4 0 6
B 2 K
R 4 9 6
R 6 0 9
3
C 4 6 6
V R 4 0 5
1 S S 3 5 5 V M
1 0 0 K
5 6 K
4
B A 8 5 2 2 R F V M - T R
1 0 0 P ( C H )
V -
-12.3
R 5 0 6
R 6 0 4
6
7
1 0 K
0
I C 4 0 6
D
5
D 2 7 0 4 ( K )
G
R 6 2 5
Q 4 1 6
B A 8 5 2 2 R F V M - T R
Q 4 1 0
S
1 0 K
4 7 K
T H 4 0 1
N C P 1 8 W D 6 8 3 J 0 3 R B
C B 4 1 1
M e t e r R +
R 6 0 1
R 4 9 9
M e t e r R -
2 2 K
5 6 K
P H I
2 P 1 0 0 m m
R 5 3 1
R 5 6 7
T P 7 2 9
R 6 1 4
D 4 3 6
2 7 K
3 3 K
5 6 K
1 S S 3 5 5 V M
C 4 7 6
V +
1 0 0 P ( C H )
8
+12.2
2
R 6 3 0
R 6 1 5
2
R 5 3 7
1
D 4 3 7
M I N
6 8 K
1 0 0 K
1
I C 4 0 9
I C 4 0 9
I C 4 0 9
3
2 K
3
B 2 K
1 S S 3 5 5 V M
C 4 7 8
V R 4 0 6
R 5 2 6
R 6 1 7
4
B A 8 5 2 2 R F V M - T R
V -
1 0 0 P ( C H )
1 0 0 K
5 6 K
-12.3
R 5 3 5
R 6 0 5
6
7
D
1 0 K
0
I C 4 0 9
5
G
Q 4 1 7
B A 8 5 2 2 R F V M - T R
D 2 7 0 4 ( K )
R 6 2 6
Q 4 1 4
S
1 0 K
4 7 K
T H 4 0 2
P E A K : 0 V
N C P 1 8 W D 6 8 3 J 0 3 R B
V U
: 5 V
R 6 0 2
2 2 K
Q 4 2 3
R 5 2 9
5 6 K
Red / full line:
Power supply (+)
★ All voltages are measured with a 10MΩ/V DC electronic voltmeter.
Red /dashed line:
Power supply (-)
★ Components having special characteristics are marked
Orange:
Signal detect
with parts having specifications equal to those originally installed.
Yellow:
Clock
★ Schematic diagram is subject to change without notice.
Green:
Protection detect
Brown:
Reset signal
Blue:
Panel key input
L
M
N
FRONT (13)
F R O N T ( 1 3 )
L E D _ P W R
R E M
STANDBY/ON
6 . 1 3 m A
indicator
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
+ 5 L E D _ P W R
U 4 0 1
1
G P 1 U E 2 7 1 R K V F
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
L E D _ P W R _ R E T
2
T A N T A L U M
C A P A C I T O R
3
M G
4
5
N O
M A R K
C E R A M I C
C A P A C I T O R
4
R E M
2
3
1
C E R A M I C
T U B U L A R
C A P A C I T O R
5
+ 5 M
P O L Y E S T E R F I L M
C A P A C I T O R
1 0
P O L Y S T Y R E N E
F I L M
C A P A C I T O R
W 4 1 2 B
S A N - S A N
R 4 3 5
R 5 5 6
M I C A
C A P A C I T O R
4 7
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
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
Remote control
sensor
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
METER
S E M I
V A R I A B L E
R E S I S T O R
FRONT (9)
C H I P R E S I S T O R
OFF/PEAK/VU
F R O N T ( 9 )
S W 4 0 6
R 5 4 5
N O T I C E
( m o d e l )
2 . 7 K
R 5 4 6
J
J A P A N
M T R _ C O N
5 . 6 K
R 5 4 7
U
U . S . A
1 0 K
R 5 4 8
C
C A N A D A
3 9 K
O F F / P E A K / V U
R
G E N E R A L
S R B M 1 3 1 3 0 0
T
C H I N A
S W 4 0 6
M T E R C O N
K
K O R E A
O F F :
0 V
0V
A
A U S T R A L I A
P E A K : 1 . 1 V
1.05V
1
I _ M T R C O N
2.25V
V U :
2 . 3 V
B
B R I T I S H
2
M
G
G
E U R O P E
W 4 0 8
L
S I N G A P O R E
S A N - P H
S R B M 1 3 1 3 0 0
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
FRONT (14)
S
B R A Z I L
F R O N T ( 1 4 )
P W R _ S W
H
T H A I
1
Page 80
H6
P W S W 1
2
3
P W S W 2
2
to FUNCTION (3)_CB5
S W 4 0 7
A S - 5 0 0 A - M - P C - A 0
C B 4 0 1
X H L
STANDBY/ON
U, K, A, B, G, L, V, S, J models
OFF
T model
(Power)
FRONT (15)
F R O N T ( 1 5 )
L E D _ M T R
W 4 1 9
Meter indicator
1
M T R _ L E D 1
M T R _ L E D 2
-
1
2
D
M T R _ L E D 3
M T R _ L E D 4
5
S A N - P H
R c h
R c h
R c h
R c h
L c h
L c h
L c h
L c h
2 P 1 0 0 m m
to METER unit
IC401: BA6956AN
Reversible motor driver
TSD
7
FIN
CTRL
RIN
9
VREF
1
8
4
2
to METER unit
GND
OUT1
OUT2
IC402: LC709004AMJ-AH
IC403–409, 412: BA8522RFVM-TR
I/O-expander for microcontroller
Low offset voltage dual operational amplifiers
VCC
OUT2
-IN2
+IN2
8
7
6
5
DIN
2
Serial/parallel converter/shift register
1
DOUT
CLK#
3
5
VDD
7
VSS
CH2
CS#
+
4
+
CH1
RES#
I/O control/output register
6
1
2
3
4
port 0 I/O buffer
port 1 I/O buffer
OUT1 -IN1 +IN1 VEE
24
17
15
8
16
● 電圧は、内部抵抗 10MΩの電圧計で測定したものです。
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、
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。
5
VM
6
VCC
3
RNF

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