Yamaha A-S2100 Service Manual - page 82
A
1
2
3
4
5
6
7
8
9
10
B
C
D
E
F
G
H
I
J
K
L
M
N
A-S2100
82
FRONT 1/2
★ 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。
HP_L
+12.2
-12.2
+5.1
+5.0
0V
1.05V
2.25V
+5.0
+12.2
+5.0
0V
+4.9
+4.9
1.23V
2.51V
3.93V
0V
1.24V
2.51V
3.93V
-12.3
+5.1
+5.1
+12.2
-12.3
+12.2
-12.3
+12.2
-12.3
+12.2
-12.3
+12.2
-12.3
+12.2
-12.3
+12.2
-12.3
+12.2
-12.3
N O T I C E
U . S . A
G
C A N A D A
E U R O P E
L
C H I N A
A U S T R A L I A
S I N G A P O R E
K O R E A
G E N E R A L
U
C
T
A
K
R
J A P A N
( m o d e l )
B
B R I T I S H
J
S O U T H E U R O P E
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
R E M A R K S
C A P A C I T O R
P A R T S
N A M E
N O
N O
M A R K
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
C E R A M I C
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
T A N T A L U M
C A P A C I T O R
T U B U L A R
S
C A P A C I T O R
C E R A M I C
F I L M
S U L F I D E
P O L Y P H E N Y L E N E
C A P A C I T O R
P
MIN
S
S
R E S I S T O R
R E M A R K S
N O M A R K
P A R T S
N A M E
C A R B O N
C A R B O N
M E T A L
M E T A L
M E T A L
F I R E
C E M E N T
S E M I
F I L M
R E S I S T O R
F I L M
R E S I S T O R
O X I D E
F I L M
R E S I S T O R
F I L M
R E S I S T O R
P L A T E
R E S I S T O R
P R O O F C A R B O N
F I L M R E S I S T O R
M O L D E D
R E S I S T O R
V A R I A B L E
R E S I S T O R
( P = 5 )
( P = 1 0 )
C H I P
R E S I S T O R
P
P
1
2
1
13
1
15
14
13
1
5
M I N
M I N
14
B P
1
2
1
2
R 4 3 6
n o _ u s e
C 4 4 0
n o _ u s e
R 4 5 9
n o _ u s e
R 4 0 2
2 2 K
R 4 0 1
8 2 K
R430
2.2
D406
1SS355V
M
V R 4 0 1
B 1 0 K
12
11
C 4 4 9
n o _ u s e
D 4 1 6
1 S S 3 5 5 V M
E C 2 - 2 4 N U - F
R Y 4 0 1
6
7
5
R 4 4 1
n o _ u s e
R 4 6 4
n o _ u s e
C414
100P(SL)
C416
100P(SL)
C 4 3 6
n o _ u s e
E C 2 - 2 4 N U - F
R Y 4 0 1
3
2
4
R 4 3 7
n o _ u s e
R419
2.2
C 4 3 9
n o _ u s e
R405
2.2
R 4 1 2
1 . 1 K
D411
1SS355VM
R 4 1 3
9 1 0
S W 4 0 5
S R B M 1 4 0 7 0 0
R 4 2 4
6 . 8 K
S W 4 0 4
S R B M 1 4 0 7 0 0
R 4 0 7
2 . 7 K
R447
no_use
S G 1
R446
no_use
C 4 3 0
n o _ u s e
0
J 4 0 2
S G 1
C 4 3 3
n o _ u s e
S W 4 0 2
A S - 5 0 0 A - M - P C - A 0
D 4 1 5
1 S S 3 5 5 V M
EC2-24NU-F
RY401
R 4 6 9
n o _ u s e
C 4 4 8
n o _ u s e
S W 4 0 4
S R B M 1 4 0 7 0 0
C 4 4 5
n o _ u s e
R 4 3 5
4 7
R 4 6 0
n o _ u s e
C407
0.01/100
V R 4 0 1
B 1 0 K
2
5
7
9
1 0
1
3
4
6
8
R 4 1 1
1 . 3 K
C415
100P(SL)
C 4 2 5
n o _ u s e
R 4 7 2
n o _ u s e
R 4 1 0
1 . 8 K
C406
no_use
C 4 3 1
n o _ u s e
R 4 6 2
n o _ u s e
S W 4 0 1
A S - 5 0 0 B - M - P C - A 0
C 4 4 1
n o _ u s e
R 5 5 6
1 0
R 4 2 2
2 7 K
R 4 7 1
n o _ u s e
R 4 2 1
2 7 K
R 4 5 0
n o _ u s e
R 4 0 3
1 0 K
C 4 4 6
n o _ u s e
R 4 0 6
4 . 3 K
R 4 2 7
3 . 3 K
S W 4 0 3
S R R M 1 C 7 8 0 0
C
0 . 1 / 1 6
C 4 1 3
S W 4 0 5
S R B M 1 4 0 7 0 0
C 4 3 7
n o _ u s e
R 4 5 8
n o _ u s e
R 4 2 3
6 . 8 K
C410
0.1/16
R 4 4 2
n o _ u s e
R 4 0 9
2 . 2 K
R 4 2 8
3 . 3 K
0
J 4 0 1
R 4 0 4
6 . 2 K
C 4 5 0
n o _ u s e
R 4 5 7
1 0 0
R 4 6 1
n o _ u s e
C409
0.01/100
C 4 3 4
n o _ u s e
C 4 2 6
n o _ u s e
R 4 6 8
n o _ u s e
R 4 3 2
n o _ u s e
R426
2.
2
R 4 6 3
n o _ u s e
R 4 4 4
n o _ u s e
R 4 4 5
n o _ u s e
R 4 7 3
n o _ u s e
R 4 3 1
n o _ u s e
D40
7
1SS355V
M
C 4 3 8
n o _ u s e
C 4 3 5
n o _ u s e
S W 4 0 7
A S - 5 0 0 A - M - P C - A 0
2
3
1
D 4 1 4
T F Z G T R 7 . 5 B
C405
0.01/100
C 4 6 0
1 0 0 P ( C H )
D 4 2 5
1 S S 3 5 5 V M
I C 4 0 7
B A 8 5 2 2 R F V M - T R
3
2
1
D 4 3 0
1 S S 3 5 5 V M
C 4 5 9
1 0 P ( C H )
C 4 6 4
1 0 0 P ( C H )
D 4 2 9
1 S S 3 5 5 V M
R527
6.8K
I C 4 0 8
B A 8 5 2 2 R F V M - T R
5
6
7
R493
2.2K
R508
0
I C 4 0 4
B A 8 5 2 2 R F V M - T R
5
6
7
V -
4
D 4 3 3
1 S S 3 5 5 V M
I C 4 0 7
B A 8 5 2 2 R F V M - T R
5
6
7
D 4 2 2
1 S S 3 5 5 V M
C482
0.01/16(B)
D 4 3 1
1 S S 3 5 5 V M
R559
100K
R536
0
R503
2.2M
D 4 3 2
1 S S 3 5 5 V M
R 5 0 1
2 7 K
I C 4 0 4
V +
8
R 5 2 3
1 6 K
R 5 5 8
4 7 K
C470
10P(CH)
I C 4 1 2
V +
8
R505
10K
C 4 6 3
1 0 0 P ( C H )
I C 4 1 2
B A 8 5 2 2 R F V M - T R
3
2
1
R 5 2 6
1 0 0 K
D 4 3 6
1 S S 3 5 5 V M
D 4 2 8
1 S S 3 5 5 V M
R 5 2 2
4 7 K
R 5 6 6
3 3 K
I C 4 0 6
B A 8 5 2 2 R F V M - T R
3
2
1
C465
1.0/100
I C 4 0 7
V +
8
R 4 9 5
1 K
I C 4 1 2
B A 8 5 2 2 R F V M - T R
5
6
7
C477
1.0/100
R528
6.8K
R532
2.2M
I C 4 0 4
B A 8 5 2 2 R F V M - T R
3
2
1
I C 4 0 9
V -
4
C453
0.01/16(B)
D 4 3 7
1 S S 3 5 5 V M
I C 4 0 3
B A 8 5 2 2 R F V M - T R
3
2
1
R 5 2 5
1 K
I C 4 0 5
B A 8 5 2 2 R F V M - T R
3
2
1
I C 4 0 3
B A 8 5 2 2 R F V M - T R
Y F 3 3 0 A 0
5
6
7
C 4 7 8
1 0 0 P ( C H )
R 4 9 2
4 7 K
C458
10P(CH)
R 4 9 4
1 6 K
I C 4 0 9
V +
8
R534
10K
C 4 7 2
1 0 0 P ( C H )
D 4 2 4
1 S S 3 5 5 V M
R 5 3 5
1 0 K
I C 4 0 5
B A 8 5 2 2 R F V M - T R
5
6
7
R544
100K
I C 4 1 2
V -
4
R 5 3 1
2 7 K
C 4 7 4
1 0 0 P ( C H )
C 4 6 6
1 0 0 P ( C H )
R497
6.8K
R533
510K
C454
0.01/16(B)
R 5 5 7
4 7 K
I C 4 0 4
V -
4
V -
4
C 4 6 2
1 0 0 P ( C H )
R524
2.2K
C 4 6 1
1 0 0 P ( C H )
I C 4 0 6
V +
8
I C 4 0 6
B A 8 5 2 2 R F V M - T R
5
6
7
R498
6.8K
C 4 7 3
1 0 0 P ( C H )
R 5 3 0
1 0 0 K
I C 4 0 8
B A 8 5 2 2 R F V M - T R
3
2
1
R 5 6 7
3 3 K
I C 4 0 3
V +
8
I C 4 0 3
V -
4
R 5 0 0
1 0 0 K
V +
8
I C 4 0 9
B A 8 5 2 2 R F V M - T R
5
6
7
D 4 2 3
1 S S 3 5 5 V M
R 5 0 6
1 0 K
R504
510K
R502
10K
C481
0.01/16(B)
C 4 7 5
1 0 0 P ( C H )
I C 4 0 9
B A 8 5 2 2 R F V M - T R
3
2
1
I C 4 0 6
V -
4
C 4 7 1
1 0 P ( C H )
I C 4 0 7
V -
4
R 4 9 6
1 0 0 K
C 4 7 6
1 0 0 P ( C H )
D434
UDZV2.0B
D426
UDZV2.0B
V +
8
R553
1.5K
Q418
KTA1664-Y-RTF/P
Q419
KTA1664-Y-RTF/P
Q420
KTA1664-Y-RTF/P
Q421
C4081UBTLR
R549
1.3K
C B 4 0 2
P H I
W 4 0 8
S A N - P H
2 P 8 0 M M B & C B L
J K 4 0 1
L
G N D
R
C401
0.1/16
D438
1SS355VM
D439
1SS355VM
CB405
PHI
CB406
PHI
C495
0.1/16
R 5 1 0
8 2 K
R 4 8 0
8 2 K
RSM002N06
Q427
G
D
S
RSM002N06
Q428
G
D
S
RSM002N06
Q 4 1 4
G
D
S
RSM002N06
Q415
RSM002N06
Q 4 1 0
G
D
S
RSM002N06
Q411
D427
UDZV5.1B
D435
UDZV5.1B
Q 4 0 8
H N 4 C 0 6 - J G R ( T E 8 5
n o _ u s e
1
2
3
4
5
Q 4 1 2
H N 4 C 0 6 - J G R ( T E 8 5
n o _ u s e
1
2
3
4
5
R554
0
R539
0
W 4 1 0
S A N - P H
4 P 8 0 M M B & C B L
C B 4 0 7
P H I
W 4 0 9
S A N - P H
3 P 8 0 M M B & C B L
W 4 0 7 A
S A N - S A N
W 4 0 7 B
S A N - S A N
6 P 8 0 M M B & B B L
W 4 0 2 A
S A N - S A N
W 4 0 2 B
S A N - S A N
4 P 1 0 0 M M B & B B L
W 4 0 5 A
S A N - S A N
W 4 0 5 B
S A N - S A N
3 P 1 4 0 M M B & B B L
C B 4 0 4
P H I
W 4 2 2
S R A - B I N
D440
no_use
D441
no_use
C496
47/16
C B 4 0 9
P H I
1
2
3
4
5
R575
470
R576
470
R573
10K
R574
10K
C408
100/6.3
Q 4 3 1
D 2 7 0 4 ( K )
Q432
D2704(K)
Q 4 3 3
D 2 7 0 4 ( K )
Q434
D2704(K)
R587
100K
R588
100K
R 5 8 9
1 K
R 5 9 0
1 K
R591
330
R592
330
R482
270K
R 4 8 3
2 7 0 K
R512
270K
R 5 1 3
2 7 0 K
R570
22K
R568
22K
R569
6.8K
R571
6.8K
R515
1.2K
R485
1.2K
R 4 8 4
0
R 5 1 4
0
V R 4 0 5
B 2 K
3
1
2
V R 4 0 6
B 2 K
3
1
2
R 5 8 4
1 0 K
R 5 8 6
1 0 K
R 5 8 3
1 0 K
R 5 8 5
1 0 K
S W 4 0 6
S R B M 1 3 1 3 0 0
S W 4 0 6
S R B M 1 3 1 3 0 0
R 5 4 5
2 . 7 K
R 5 4 6
5 . 6 K
R 5 4 7
1 0 K
R 5 4 8
3 9 K
C B 4 0 3
X H L
W 4 0 3 B
S A N - S A N
2 P 1 4 0 M M B & B B L
W 4 0 3 A
S A N - S A N
W 4 0 4 B
S A N - S A N
3 P 1 4 0 M M B & B B L
W 4 0 4 A
S A N - S A N
R593
150K
R594
150K
T H 4 0 1
N C P 1 8 W D 6 8 3 J 0 3 R B
T H 4 0 2
N C P 1 8 W D 6 8 3 J 0 3 R B
R 5 9 7
3 9 K
R 5 9 8
3 9 K
R 5 0 9
4 3 K
R 4 7 9
4 3 K
R 6 0 1
2 2 K
R 6 0 2
2 2 K
D404
SEL6910A-CD
D405
SEL6910A-CD
D408
SEL6910A-CD
D409
SEL6910A-CD
D410
SEL6910A-CD
D412
SEL6910A-CD
D413
SEL6910A-CD
D417
SEL6910A-CD
R416
1K
R417
1K
R418
1K
R420
1K
R425
1K
R429
1K
R433
1K
R415
1K
R 4 4 9
3 K
D403
SEL6910A-CD
W 4 1 2 A
S A N - S A N
5 P 1 4 0 M M B & B B L
W 4 1 2 B
S A N - S A N
Q 4 2 4
KTA1664-Y-RTF/P
R 6 0 4
0
R 6 0 5
0
R606
no_use
R607
no_use
C 4 9 7
1 0 0 P ( S L )
W 4 0 6 A
S A N - S A N
W 4 0 6 B
S A N - S A N
8 P 1 0 0 M M B & B B L
C403
0.1/16
C 4 9 3
4 7 / 1 6
C 4 9 2
4 7 / 1 6
100/16
C412
C490
4.7/25
C491
4.7/25
C483
47/25
C 4 6 9
1 / 5 0
C 4 5 7
1 / 5 0
C 4 5 6
1 / 5 0
C 4 6 8
1 / 5 0
10/50
C411
C 4 0 4
1 / 5 0
C498
100P(CH)
G P 1 U E 2 7 1 R K V F
U 4 0 1
VCC
2
G
3
OUT
1
4
5
I C 4 0 1
B A 6 9 5 6 A N
1
VREF
2
OUT2
3
RNF
4
OUT1
5
VM
6
VCC
7
FIN
8
GND
9
RIN
C402
100/16
R438
4.7K
R439
6.8K
C499
0.01(B)
C500
0.01(B)
R 5 1 6
2 . 2 K
R 5 1 7
2 . 2 K
R 4 8 7
2 . 2 K
R 4 8 6
2 . 2 K
R 4 8 9
1 5 K
R 4 9 1
1 5 K
R 4 8 8
1 5 K
R 4 9 0
1 5 K
R 5 2 0
1 5 K
R 5 1 9
1 5 K
R 5 2 1
1 5 K
R 5 1 8
1 5 K
R 6 0 8
5 6 K
T P 7 2 8
R 6 1 0
1 0 0 K
R612
100K
R 6 1 4
5 6 K
T P 7 2 9
R 6 1 5
1 0 0 K
R619
100K
R 4 4 8
1 K
C B 4 1 0
P H I
C B 4 1 1
P H I
D447
CLA1B-MKW-XD0F0
2
1
3
4
D456
no_use
2
1
3
4
D445
CLA1B-MKW-XD0F0
2
1
3
4
D444
CLA1B-MKW-XD0F0
2
1
3
4
D442
CLA1B-MKW-XD0F0
2
1
3
4
D454
CLA1B-MKW-XD0F0
2
1
3
4
D459
CLA1B-MKW-XD0F0
2
1
3
4
D450
CLA1B-MKW-XD0F0
2
1
3
4
D455
CLA1B-MKW-XD0F0
2
1
3
4
D451
CLA1B-MKW-XD0F0
2
1
3
4
D449
no_use
2
1
3
4
D458
CLA1B-MKW-XD0F0
2
1
3
4
D443
CLA1B-MKW-XD0F0
2
1
3
4
D457
no_use
2
1
3
4
D448
no_use
2
1
3
4
D446
CLA1B-MKW-XD0F0
2
1
3
4
Q 4 3 5
N S T 4 5 0 1 1 M W 6 T 1 G
4
3
5
6
2
1
Q 4 3 6
N S T 4 5 0 1 1 M W 6 T 1 G
4
3
5
6
2
1
W 4 1 9
S A N - P H
5 P 1 2 0 M M B & C B L
IC402
LC709004AMJ-AH
123456789
1
0
1
1
1
2
13
14
15
16
17
18
19
20
21
22
23
24
VR404
B10K
VR403
B10K
VR402
B10K
S T 4 0 1
Q 4 0 4
K R C 4 0 2 - R T K / P
Q 4 2 9
KRA304-RTK/P
Q 4 2 2
KRA304-RTK/P
Q 4 3 0
KRA304-RTK/P
1
0
4
Q
P
/
K
T
R
-
4
0
3
A
R
K
2
0
4
Q
P
/
K
T
R
-
4
0
4
C
R
K
6
2
4
Q
KRC404-RTK/P
Q 4 2 3
KRC404-RTK/P
R550
330
R551
330
R603
750
R552
750
C B 4 0 1
X H L
R620
1K
R621
1K
R622
1K
R623
1K
R 5 0 7
2 K
R 5 3 7
2 K
J 4 0 3
n o _ u s e
J 4 0 4
R624
100K
P N 4 1 2
P N 4 1 3
P N 4 0 2
P N 4 1 4
P N 4 1 1
P N 4 0 4
P N 4 0 1
P N 4 0 3
D 2 7 0 4 ( K )
Q 4 1 6
R 6 2 5
1 0 K
R 6 2 6
1 0 K
D 2 7 0 4 ( K )
Q 4 1 7
J 4 0 6
n o _ u s e
J 4 0 5
R627
2.2M
R628
2.2M
C 5 0 1
1 0 / 1 6
C 5 0 2
1 0 / 1 6
C480
47/35
C479
47/35
C451
47/35
C452
47/35
C 4 5 5
0 . 0 1 / 1 0 0
C 4 6 7
0 . 0 1 / 1 0 0
C B 4 1 2
P H I
W 4 0 1
S A N - P H
7 P 1 0 0 M M B & C B L
W423
no_use
W 4 1 1 B
S A N - S A N
W 4 1 1 A
S A N - S A N
7 P 1 4 0 M M B & B B L
R 5 1 1
1 0
R 4 8 1
1 0
R 6 2 9
6 8 K
R 6 3 0
6 8 K
R 6 0 9
5 6 K
R 6 1 7
5 6 K
R613
82K
R618
82K
R 5 2 9
5 6 K
R 4 9 9
5 6 K
R611
15K
R616
15K
L E D _ P W R _ R E T
L E D _ B A L
N _ M T _ L E V _ D E T
F R O N T ( 1 3 )
F R O N T ( 6 )
P 1 7
-12D
I _ C N T R
L E D _ B A L
+5S
I _ B A S
+ 1 2 D
H P
EX_CL
M U T E
I _ V O L
1 2
I _ T R E
M V O L +
EX_DI
M_VOL+
M G
I _ V O L
3
I_CNTR
F U N C ( 1 )
+5M
I _ L R B A L
M V O L -
+ 5 V R E G U R A T O R
+ 5 S
M G
2
4
L E D _ B A L 1
L E D _ L I N E 1
L E D _ C D
L E D _ T U
L E D _ C D
I _ S P A B
I _ I S E L
C B 5 0 9
5
T O N E
1 0
D O U T
N C
7
+ 5 L E D _ P W R
L E D _ M T
8
I_HPTRIM
F R O N T ( 5 )
V D D
L E D _ T U
M V O L -
+ 5 D
F R O N T ( 2 )
M G
L E D _ P H O
+ 5 S
I_TRE
L E D _ M D I R
L E D _ L I N E 2
N _ M T _ L E V _ D E T
M M M C
F R O N T ( 1 )
I_SPAB
10K
C L K
N_MT_LEV_DET
8
L E D _ L I N E 1
M G
L E D
L E D _ C D
+ 5 M
J Y - 6 3 5 9 # J 3 - 0 9 0 G
3
L E D _ T U
Z A 1 2 5 8 0
+ 5 D
4
Z A 1 2 5 9 0
L E D _ L I N E 1
1 0
B L
L E D _ L I N E 2
N_HP_DET
C B 5 0 8
S I
2
1 0 K
I S E L
EX_DO
L E D _ P H O
EX_N_CS
I_BAS
J K 4 0 1
V D D P
MAIN(2)
M G
MMMC_LEV_DET
M T R _ G A I N
M G
L E D _ P H O N O
+ 5 S
M G
7
L E D _ P W R _ R E T
I _ L R B A L
REM
F R O N T ( 7 )
M_VOL-
M G
9
M T R _ O F F
I _ T R E
D I N
5
F R O N T ( 4 )
I _ B A S
LED_PWR
F U N C ( 1 )
V S S
I _ C N T R
1 1
M V O L
H P L
R E S
3
+12D
H P G N D
I_LRBAL
P K / N _ V U
1 1
+ 5 S
H P R
F R O N T ( 1 5 )
M M M C _ L E V _ D E T
L E D _ M T
F R O N T ( 8 )
MG
L E D _ M D I R
EX_N_IC
2
1 3
L E D _ L I N E 2
MG
I_ISEL
W204
6
C S
9
M G
+ 1 2 D
M G
1 5
M V O L +
M G
M M M C _ L E V _ D E T
1 2
6 . 1 3 m A
6
R Y _ H P
+ 5 L E D _ P W R
I_VOL
L E D _ M D I R
I _ I S E L
P W R _ S W
P W S W 1
P W S W 2
F R O N T ( 1 4 )
CB5
FUNC(3)
2
4
2
2
7
1
1
1
1
2
2
3
+ 1 2 D
- 1 2 D
M G
M G
- 1 2 D
+ 1 2 D
I_MTRCON
DMRCON
5.07V
3.38mA
4.47V
I _ M T R C O N
I _ M T R C O N
M T R _ C O N
G
M
G
M
F R O N T ( 9 )
1 3
1 4
2
M T R _ L E D 1
M T R _ L E D 2
M T R _ L E D 3
M T R _ L E D 4
M e t e r L +
M e t e r L -
M e t e r R +
M e t e r R -
METER UNIT
J Y - 6 3 5 9 # 0 3 - 0 9 0 G
4 7 K
47K
47K
4 7 K
4 7 K
47K
47K
4 7 K
4 7 K
N _ H P _ D E T
R Y _ H P
M G
- 1 2 D
H P L
H P G N D
H P R
- 1 2 D
N _ H P _ D E T
H P R
H P L
H P G N D
R Y _ H P
M G
I _ H P T R I M
M G
M G
M G
I _ H P T R I M
M G
M G
M G
F R O N T ( 1 1 )
I _ S P A B
M G
G
M
G
M
M G
F R O N T ( 1 0 )
4
3
2
+ 5 M
M G
R E M
+ 5 D
L E D _ M T
+ 5 D
F R O N T ( 3 )
M G
F R O N T ( 1 2 )
1
6
1
6
1
7
1
3
1
2
1
2
1
1
4
4
1
1
8
8
1
1
3
4
1
7
7
1
1
1
2
2
1
1
5
N C
N C
N C
N C
O F F / A / B / A + B
- 6 / 0 / + 6 / + 1 2
O F F / P E A K / V U
M G
M G
G
M
G
M
3
3
L E D _ M T R
47K
4 7 K
4 7 K
47K
47K
3
H P G N D
B L A C K
C O L O R
L O W
H I G H
R 5 7 3
R 5 7 4
n o u s e
R D 3 5 7 1 0 ( 1 0 K )
R 5 7 4
R 5 7 3
R D 3 5 7 1 0 ( 1 0 K )
n o u s e
S I L V E R
M T R _ M T
C O L O R
P E A K : 0 V
V U : 5 V
- 6 d B : 0 V
0 d B : 1 . 2 V
+ 6 d B : 2 . 5 V
+ 1 2 d B : 3 . 9 V
H P T R M
S P B : 2 . 5 V
S P A B
S P A + B : 3 . 9 V
S P A : 1 . 2 V
O F F : 0 V
P E A K : 0 V
V U : 5 V
V U : 2 . 3 V
M T E R C O N
P E A K : 1 . 1 V
O F F : 0 V
S P A B
H P _ T R M
R E M
L E D _ M T
F R O N T
L E D _ P W R
M G
R E M
3
3
5
4
5
4
+ 1 2 D
4 . 9 V
D
2
1
-
D
2
1
-
M T R _ L E D 3
M T R _ L E D 1
M T R _ L E D 2
M T R _ L E D 4
M T R _ O F F
P K / V U
M T R _ M T
M T R _ G A I N
R 6 0 9
R 6 1 3
2 P 1 0 0 m m
2 P 1 0 0 m m
L c h
R c h
R c h
L c h
R c h
L c h
R c h
L c h
MIN
MIN
MIN
12
P
P
IC402: LC709004AMJ-AH
I/O-expander for microcontroller
C
ontr
ol logic
port 0 I/O buffer
Serial/parallel converter/shift register
I/O control/output register
DIN
VDD
DOUT
VSS
CLK#
CS#
RES#
P00
P07
2
1
5
7
3
4
6
24
17
VDDP1
16
port 1 I/O buffer
P1
0
P1
7
15
8
IC401: BA6956AN
Reversible motor driver
VREF
GND
RIN
FIN
CTRL
TSD
7
9
1
8
OUT1
4
OUT2
RNF
2
3
VCC
6
VM
5
VCC
8
+
–
CH1
–
+
CH2
IC403–409, 412: BA8522RFVM-TR
Low offset voltage dual operational amplifiers
OUT2
7
-IN2
6
+IN2
OUT1 -IN1 +IN1 VEE
5
1
2
3
4
FRONT (1)
FRONT (9)
FRONT (8)
FRONT (2)
FRONT (7)
FRONT (5)
FRONT (6)
FRONT (3)
FRONT (4)
FRONT (10)
FRONT (11)
FRONT (12)
FRONT (13)
FRONT (14)
FRONT (15)
PHONES
TRIM
-6/0/+6/+12 dB
SPEAKERS
OFF/A/B/A+B BI-WIRING
METER
OFF/PEAK/VU
BASS
TREBLE
BALANCE
VOLUME
INPUT
INPUT indicator
STANDBY/ON
indicator
(Power)
STANDBY/ON
OFF
Meter indicator
T model
U, K, A, B, G, L, V, S, J models
MM/MC
PHONO
AUDIO MUTE
AUDIO MUTE
indicator
Remote control
sensor
to chassis
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
to FUNCTION (1)_CB508
Page 77
K4
to FUNCTION (1)_CB509
Page 77
K5
to FUNCTION (3)_CB5
Page 80
H6
to MAIN (2)_W204
Page 81
J8
to METER unit
to METER unit