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Yamaha A-S2100 Service Manual page 77

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A
B
C
FUNCTION 1/4
1
Page 83
B2
Page 81
B2
Page 79
L6
Page 75
K9
to FRONT (16)_W424
to MAIN (1)_W102
to FUNCTION (2)_W1003
to INPUT (1)_W905
F R O N T ( 1 6 )
M A I N ( 3 )
F U N C ( 2 )
I N P U T ( 1 )
W 4 2 4
W 1 0 2
W 1 0 0 3
W 9 0 5
2
3
2
3
4
5
6
2
3
4
2
3
4
5
6
7
8
9
1 0
1 1
1 2
F U N C ( 1 )
2
- 1 2 D
3
4
5
P S V A 1
P S V A 1
P S V A 2
P S V A 2
P R V
P R V
R Y _ T C B Y P
R Y _ T C B Y P
M T _ N _ M A I N
M T _ N _ M A I N
S W _ T R E
S W _ T R E
S W _ B A S
S W _ B A S
E V _ D T
E V _ D T
E V _ C K
E V _ C K
6
E V _ L B A S
E V _ L B A S
E V _ L T R E
E V _ L T R E
E V _ L C O M
E V _ L C O M
E V _ R C O M
E V _ R C O M
B A L G _ D E T
B A L G _ D E T
E V _ R T R E
E V _ R T R E
E V _ R B A S
E V _ R B A S
B A L _ P L T Y
B A L _ P L T Y
7
8
+ 5 M
C 8 8 6
C 5 8 5
1 0 0 / 1 6
+5.1
Q 5 3 9
1 0 0 / 1 6
R 1 1 4 0
R 1 1 3 9
A 1 0 3 7 A K ( Q / R / S )
R 6 8 1
R 6 7 8
8 . 2 K
1 . 2 K
3 3 0 K
1 0 0 K
R 1 1 4 1
D 7 5 9
C 5 8 6
1 0 0 K
Q 7 7 5
1 S S 3 5 5 V M
1 0 0 / 1 6
C 2 4 1 2 K ( Q / R / S )
C 8 8 5
R 1 1 3 7
+5.1
1 0 0 K
1 0 / 1 6
R 1 1 3 8
R 6 7 3
R 6 7 4
0
3 3 K
2 0 0
2 0 0
V +
V -
9
5
3
R 6 8 2
1 0 K
R 6 7 0
D 5 1 8
1 0 K
D 5 0 1
1 S S 3 5 5 V M
R 6 7 7
1 S S 3 5 5 V M
R 5 0 1
C 5 0 1
4 7 K
2 . 2
1 0 0 0 P ( B )
D 5 1 9
C 5 8 7
R 6 7 9
R 5 8 7
C 5 0 2
C 5 9 5
R 7 2 4
n o _ u s e
R B 5 0 1 V - 4 0
n o _ u s e
2 . 2
n o _ u s e
n o _ u s e
1 0 0 0 P ( B )
R 6 6 6
C 5 3 0
C 5 9 4
R 7 1 2
n o _ u s e
D 5 2 1
2 . 2
n o _ u s e
1 0 0 0 P ( B )
1 S S 3 5 5 V M
3
4
D 5 2 0
1
2
5
1 S S 3 5 5 V M
C 5 8 8
S T 5 0 3
J K 5 0 5
10
1 0 0 P ( S L )
M D C - 0 9 4 V - B - P P O
I R I N
I R O U T
T r i g g e r I N
3 . 3 V ~ 1 2 V
SYSTEM
REMOTE
TRIGGER
CONNECTOR
D
E
F
R E S I S T O R
R E M A R K S
N O M A R K
C A R B O N
C A R B O N
M E T A L
Page 81
B7
Page 83
H2
M E T A L
M E T A L
to MAIN (2)_W202
to FRONT (17)_W425
F I R E
C E M E N T
S E M I
M A I N ( 2 )
F R O N T ( 1 7 )
C H I P R E S I S T O R
W 2 0 2
W 4 2 5
1 3
2
3
4
5
6
2
3
D 5 0 7
U D Z V 5 . 1 B
R 5 4 2
C 5 1 6
6 . 8 K
D 5 1 0
0 . 1 / 1 6
C 5 1 7
U D Z V 5 . 1 B
0 . 1 / 1 6
R 5 4 3
C 5 1 8
6 . 8 K
D 5 1 1
0 . 1 / 1 6
C 5 1 9
U D Z V 5 . 1 B
D 5 1 2
0 . 1 / 1 6
C 5 1 4
U D Z V 5 . 1 B
R 5 4 4
0 . 1 / 1 6
C 5 1 5
4 7 0 K
R 5 4 5
0 . 1 / 1 6
C 5 2 0
4 7 0 K
+ 5 S
D 5 1 3
0 . 1 / 1 6
C 5 2 1
U D Z V 5 . 1 B
D 5 1 4
0 . 1 / 1 6
C 5 2 2
U D Z V 5 . 1 B
0 . 1 / 1 6
R 5 2 1
8 0
7 9
7 8
7 7
7 6
7 5
7 4
7 3
E X _ N _ I C
E X _ N _ I C
8 1
1 0 0
R 6 6 7
I _ M T R C O N
I _ M T R C O N
8 2
S W _ T R E
R 5 2 2
1 0 0
S W _ T R E
8 3
S W _ B A S
1 0 0
R 5 2 7
S W _ B A S S
8 4
P R V
1 0 0
R 5 3 4
P R V
8 5
P R V
1 0 0
R 5 3 9
D E S T
8 6
1 0 0
R 5 4 1
M O D E L
8 7
E X A D
R 5 2 3
1 0 0
E X A D
8 8
4 0 5 1 C
1 0 0
R 5 2 8
4 0 5 1 C
8 9
4 0 5 1 B
R 5 2 4
1 0 0
4 0 5 1 B
9 0
1 0 0
4 0 5 1 A
R 5 2 9
4 0 5 1 A
9 1
1 0 0
N _ M T _ L E V _ D E T
R 5 2 5
N _ M T _ L E V _ D E T
9 2
1 0 0
N _ H P _ D E T
R 5 3 0
N _ H P _ D E T
9 3
R 5 2 6
1 0 0
M _ V O L +
M V O L +
F L A S H U - C O M
9 4
1 0 0
R 5 3 1
M _ V O L -
M V O L -
9 5
F L A S H U - C O M ( W r i t e n b y Y E M )
1 0 0
A V S S
9 6
R 5 3 2
L E D _ P W R
L E D _ P W R
9 7
1 0 0
C 5 2 6
V R E F
0 . 1 / 1 6
9 8
+5.1
A V C C
9 9
C 5 2 5 0 . 1 / 1 6
S T B Y _ C N T
1 0 0
R 5 4 0
1
2
3
4
5
6
7
1 0 0
C 5 2 3
D 5 0 8
0 . 0 1 ( B )
C 5 2 4
U D Z V 5 . 1 B
D 5 0 9
0 . 0 1 ( B )
U D Z V 5 . 1 B
+ 1 2 D
Q 5 0 7
Q 5 1 1
S Y S _ R X D
1 0 K
1 0 K
S Y S _ T X D
Q 5 0 5
Q 5 0 9
4 7 K
4 7 K
R E M _ R E A R
T R I G G E R _ I N
C 5 0 3
1 / 5 0
R 5 0 5
+5.1
1 0 K
+ 1 2 D
Q 5 3 7
Q 5 1 2
P W R _ M G T _ D E T
D 5 0 3
1 S S 3 5 5 V M
4 7 K
4 7 K
Q 5 3 8
Q 5 1 0
R 5 0 4
4 7 K
4 7 K
1 0 0 K
A U T O P O W E R S T A N D B Y
AUTO POWER
STANDBY
G
H
N O T I C E
J
U
C A P A C I T O R
C
P A R T S
N A M E
R E M A R K S
P A R T S
N A M E
R
F I L M R E S I S T O R
( P = 5 )
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
F I L M R E S I S T O R
( P = 1 0 )
T A N T A L U M
C A P A C I T O R
K
O X I D E F I L M R E S I S 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
A
F I L M
R E S I S 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
B
P L A T E R E S I S 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
G
P R O O F C A R B O N
F I L M R E S I S 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
L
M O L D E D R E S I S T O R
M I C A
C A P A C I T O R
E
V A R I A B L E
R E S I S 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
V
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
F
P O L Y P H E N Y L E N E
S U L F I D E
F I L M
P
S
C A P A C I T O R
S
H
+5.0
+ 5 S
+ 5 M
R 5 9 8
3 3 0 K
+ 5 S
R 5 9 9
3 3 0 K
7 2
7 1
7 0
6 9
6 8
6 7
6 6
6 5
6 4
6 3
6 2
6 1
6 0
5 9
5 8
5 7
5 6
5 5 5 4 5 3 5 2 5 1
R 6 1 2
R Y _ T C B Y P
R Y C _ T C B Y P
5 0
1 0 0
R 6 0 2
R Y C B _ P L T Y
R Y C B _ P L T Y
4 9
N C
1 0 0
4 8
N C
4 7
MICROPROCESSOR
N _ C E
D B G _ N _ C E
4 6
M T _ N _ P R E
R 6 0 4
M T _ N _ P R E
4 5
M T _ N _ R E C
1 0 0
R 6 1 5
M T _ N _ R E C
4 4
M T _ N _ M A I N
R 6 0 5
1 0 0
M T _ N _ M A I N
I C 5 0 2
4 3
M M M C _ D E T
1 0 0
R 6 1 6
M M M C _ D E T
4 2
R 1 1 4 2
N _ E M P
1 0 0
D B G _ E P M
Y G 2 4 0 A 0
4 1
1 0 K
B A L G _ D E T
R 6 1 7
B A L G _ D E T
4 0
1 0 0
N C
R 5 F 3 6 4 A E N F A
3 9
P W R _ M G T _ D E T
R 6 8 5
P W R _ M G T _ D E T
3 8
1 0 0
B A L _ P L T Y
R 6 0 0
B A L _ P L T Y
: Y C 7 3 1 A 0
3 7
1 0 0
N C
: Y G 2 4 0 A 0
3 6
N C
3 5
W R _ B U S Y
R 6 1 9
W R _ B U S Y
3 4
4 7 0
W R _ C K
R 6 1 0
W R _ C K
3 3
4 7 0
R 6 2 0
W R _ M I S O
W R _ M I S O
3 2
R 6 1 1
4 7 0
W R _ M O S I
W R _ M O S I
3 1
4 7 0
8
9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 2 5
2 6 2 7 2 8 2 9 3 0
C 5 8 1
3 3 0 P ( S L )
C 5 9 6
1 0 P ( C H )
P R V
R 6 0 1
1 0 K
+ 5 M
+5.1
R 5 6 8
n o _ u s e
X L 5 0 1
2 0 M H Z
Q 5 1 5
Q 5 1 9
Q 5 2 3
4 7 K
4 7 K
4 7 K
Q 5 1 3
Q 5 1 7
Q 5 2 1
4 7 K
4
7
K
4
7
K
Q 5 1 6
Q 5 2 0
Q 5 2 4
Q 5 2 8
4 7 K
4 7 K
4 7 K
4 7 K
Q 5 1 4
Q 5 1 8
Q 5 2 2
Q 5 2 6
4 7 K
4 7 K
4 7 K
4 7 K
I
J
K
( m o d e l )
J A P A N
U . S . A
C A N A D A
G E N E R A L
C H I N A
K O R E A
A U S T R A L I A
B R I T I S H
E U R O P E
S I N G A P O R E
S O U T H E U R O P E
T A I W A N
R U S S I A N
L A T I N A M E R I C A
B R A Z I L
T H A I
FUNCTION (1)
+ 5 S
L 5 0 1
B L M 2 1 P G 6 0 0 S N 1 D
I C 5 0 5
R 6 3 1
I _ L R B A L
I _ L R B A L
V C C
+5.0
R 6 2 5
1 0
R 6 5 7
I _ B A S
I _ B A S
I _ H P T R I M
I _ H P T R I M
1 0
R 6 3 2
1 0
R 6 6 2
E X A D
C O M
I _ S P A B
I _ S P A B
R 6 2 6
1 0
R 6 5 8
1 0
I _ T R E
I _ T R E
I _ I S E L
I _ I S E L
1 0
R 6 3 3
1 0
R 6 6 3
I _ V O L
I _ V O L
I _ C N T R
I _ C N T R
1 0
R 6 5 9
1 0
I N H
4 0 5 1 A
4 0 5 1 A
1 0
R 6 6 4
V E E
4 0 5 1 B
4 0 5 1 B
R 6 6 0
1 0
G N D
4 0 5 1 C
4 0 5 1 C
1 0
C 5 5 9
1 0 0 / 1 6
C 5 6 0
C H A S S I S 4
0 . 1 / 1 6
C B 5 0 8
M G
I _ L R B A L
I _ L R B A L
2
I _ B A S
I _ B A S
3
I _ T R E
I _ T R E
4
I _ V O L
I _ V O L
5
I _ H P T R I M
I _ H P T R I M
6
I _ S P A B
I _ S P A B
7
I _ I S E L
I _ I S E L
8
I _ C N T R
I _ C N T R
9
+12.2
+ 1 2 D
1 0
-12.3
- 1 2 D
1 1
R E M
R E M
1 2
I _ M T R C O N
I _ M T R C O N
1 3
D M R C O N
D M R C O N
1 4
L E D _ P W R
L E D _ P W R
1 5
P H I
E X _ D O
E X _ D O
E X _ D I
E X _ D I
2
E X _ C L
E X _ C L
3
E X _ N _ C S
E X _ N _ C S
4
E X _ N _ I C
E X _ N _ I C
5
M M M C _ D E T
M M M C _ D E T
6
N _ M T _ L E V _ D E T
N _ M T _ L E V _ D E T
7
N _ H P _ D E T
N _ H P _ D E T
8
M _ V O L +
M _ V O L +
9
M _ V O L -
M _ V O L -
1 0
+5.1
+ 5 M
1 1
M G
1 2
+5.0
+ 5 S
1 3
C B 5 0 9
P H I
C B 5 1 4
P H I
+9.5
+ 9 S U B
M G
(For factory)
R Y _ P W R
N C
C B 5 1 0
P H I
+5.1
+ 5 M
P W R _ D E T
P W R _ D E T
2
N _ R S T
N _ R S T
3
R Y _ P W R
R Y _ P W R
4
D B G _ E P M
M G
5
D B G _ N _ C E
+10.0
+ 9 S U B
6
+12.2
+ 1 2 D
7
M G
8
-12.3
- 1 2 D
- 1 2 D
9
P R V
1 0
C 9 0 0
n o _ u s e
W R _ M I S O
T T X D
9
W R _ B U S Y
Y D C B O O T
8
W R _ M O S I
T R X D
7
C N V S S
T M O D E
6
-
Writing port
5
M G
4
N _ R S T
N _ R S T
3
W R _ C K
T C K
2
T V c c d
1
+ 5 S
+ 5 M
I C 5 0 6
C B 5 1 1
R 1 1 5 4 H 0 5 8 B - T 1 - F
D 5 1 5
5 2 0 4 5
V O U T
V I N
+10.0
R 6 5 6
I C 5 0 4
G N D
1 P 1 0
1 S S 3 5 5 V M
R P 1 3 0 Q 5 0 1 D - T R - F
+5.8
C E
N C
1 1
T V c c d
1 0
3
4
T C K
9
Y C 2 8 9 A 0
N _ R S T
2
1
8
M G
7
T M O D E
(For factory)
6
T R X D
5
Y D C B O O T
4
T T X D
3
D B G _ E P M
2
D B G _ N _ C E
M G
+12.2
1 2
Q 5 3 1
C B 5 1 3
1 0 F M N - B M T - A - T F T
1 0 K
Q 5 2 9
4 7 K
Q 5 3 2
-12.3
- 1 2 D
4 7 K
Q 5 3 0
4 7 K
Details of colored lines
P N 5 0 1
★ 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.
L
M
N
A-S2100
IC502: R5F364AENFA
Single chip 16-bit microprocessor
8
8
8
8
8
8
Port P0
Port P1
Port P1
Port P3
Port P4
Port P5
VCC2 ports
Internal peripheral functions
UART or
System clock generator
clock synchronous serial I/O
X
IN
-X
OUT
Timer (16-bit)
(6 channels)
X
CIN
-X
COUT
Outputs (timer A): 5
PLL frequency synthesizer
Clock synchronous serial I/O
Inputs (timer B): 6
On-chip oscillator (125 kHz)
(8 bit x 2 channels)
DMAC (4 channels)
Three-phase motor control circuit
Multi-master I
2
C-bus interface
(1 channel)
CRC arithmetic circuit
Real-time clock
(CRC-CCITT or CRC-16)
CEC function
PWM function (8-bit x 2)
Voltage detecter
Power-on reset
Remote control signal
On-chip debugger
receiver
(2 circuits)
M16C/60 series
Memory
Watchdog timer
Microprocessor core
(15-bit)
ROM
SB
R0H
R0L
A/D converter
R1H
R1L
RAM
USP
(10-bit resolution X 26 channels)
R2
ISP
R3
INTB
D/A converter
A0
(8-bit resolution X 2 circuits)
PC
A1
A1
FB
FB
FLG
Multiplier
VCC1 ports
Port P10
Port P9
Port P8
Port P7
Port P6
8
8
8
8
8
Page 82
F1
IC504: RP130Q501D-TR-F
to FRONT (1)_CB405
Voltage regulator
V
DD
4
3
V
OUT
Vref
Current Limit
CE
GND
1
2
Page 82
H1
Pin No.
Symbol
Description
to FRONT (1)_CB406
1
CE
Chip Enable ("H" Active)
2
GND
Ground Pin
3
V
Output Pin
OUT
4
V
Input Pin
DD
IC505: TC74HC4051AFEL
8-channel analog multiplexer/demultiplexer
COM
C IN
0
OUT
1
A
2
3
B
4
5
C
6
OUT
C IN
7
Page 80
B6
INH
to FUNCTION (3)_W1
4 1
16
Vcc
6 2
15
2
COM 3
14
1
7 4
13
0
5 5
12
3
INH 6
11
A
V
7
10
B
EE
GND 8
9
C
IC506: R1154H058B-T1-F
Voltage regulator
Thermal
Protection
V
3
1
V
DD
OUT
4 NC
Vref
Short
Current
Protection
Limit
Circuit
Circuit
2
GND
CE
5
Pin No.
Symbol
Description
1
V
OUT
Output Pin for Voltage Regulator
2
GND
Ground
3
CE
Chip Enable Pin (active at "H")
4
NC†
No Connection
5
V
Power Supply Pin
DD
IC507: TC7SZ125FU
Bus buffer 3-state output
G
1
5
Vcc
IN A
2
GND
3
4
OUT Y
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
● 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。
77

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