Yamaha YAS-408, Service Manual

Page: 28 / 44

★
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.
● ⚠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。
FW
U
PG
RADE
3.
3V
LED
_VC
C
GN
D
RST DET. SDA SCL GN
D
GN
D
TO KEY BOARD
YAS-CU408/YMS-4080/ATS-CU4080 MAIN MCU SECTION
TO W-iFi
GN
D
TO AMPLIFIER
F
ROM POWER
TO POWER
TO MAPX
IR
ALL
D
E
VI
C
E
S
LO
G
R197
1K
R145
100K
C1
15
1n
F
C1
11
1n
F
C1
17
1nF
C
116
1uF25V
C1
18
10uF10V
1 VOUT
2 VSS
3
VIN
IC102
ME2808A27M3G
R1
46
100R
R152
4.7K
R151
4.7K
FB101
600R
R1
47
100R
R1
48
100R
R150
NC
C1
06
1nF
C101 NC
C100 NC
R130
1K
R135 33R
R136 33R
R104
100R
C1
05
1uF25V
R1
27
1K
R1
37
0R
R138
1K
R1
14
0R
C107 47pF
C109 47pF
FB100
600R
SCL
EC101
470uF6.
3V
R1
23
1K
R122
100K
Q100
NCE2305
R1
15
1K
SDA
R1
00
1K
R149
100K
C1
14
1u
F2
5V
1 2
3 4 5 6 7 8 9
10
CN100
FFC-1.00_V
5V
R121
1K
3V3 DET RST1
R183
1K
R1
86
1K
R196
100K
TP3
1
P60/
SCLA0
2
P61/
SDAA0
3
P62
4
P63
5
P31/
IN
TP4/
TO
03/
T
I0
3
6
P75/
IN
TP9/
SCL01
7
P74/
IN
TP8/
SDA01
8
P73/
KR3
9
P72/
KR2
10
P71/
KR1/
SDA21
11
P70/
KR0/
SCL21
12
P30/
IN
TP3/
SCL11
36
P140/
IN
T
P6
35
P00/
TI
00/
T
XD1
34
P01/
TO
00/
R
XD1
33
P130
32
P20/
ANI
0
31
P21/
ANI
1
30
P22/
ANI
2
29
P23/
ANI
3
28
P24/
ANI
4
27
P25/
ANI
5
26
P26/
ANI
6
25
P27/
ANI
7
37
P120/ANI19
38
P41
39
P40/TOOL0
40
RESET
41
P124/XT2
42
P123/XT1
43
P137/INTP0
44
P122/X2
45
P121/X1
46
REGC
47
VSS
48
VDD
24
P147/ANI18
23
P146
22
P10/SCK00/SCL00
21
P11/SI00/TOOLRXD
20
P12/SO00/TOOLTXD
19
P13/TXD2/SCLA0
18
P14/RXD2/SDAA0
17
P15/TO02/SCL20
16
P16/INTP5/TO01(RXD0)
15
P17/TI02/TO02(TXD0)
14
P51/INTP2
13
P50/INTP1/SDA11
IC100
RL78G13R5F100GEAFB#V0
1
M9
AI
-H
O
LE
1
M1
0
AI
-H
O
LE
1
M1
1
MA
R
K
(S
MT
)
1
M1
2
MA
R
K
(S
MT
)
1
M1
3
MA
R
K
(S
MT
)
1
M1
4
MA
R
K
(S
MT
)
R110
33R
R108
33R
R109 33R
R117
1K
R119
NC
R125
NC
1
2
3
4
5
6
CN101
FFC_1.0_V
1
OU
T
2
GN
D
3
VCC
IC101
HM338-S3
R101
100R
R103
22R
C
103
100pF
R102
10K
C1
04
0.
1uF25V
C
112
10uF10V
C
113
100pF
R120
1K
MCU_RST
TOOL0
MCU_TX
GND4
OUT
GND2
VCC
G1
MCU_RX
R105
NC
R107
NC
C
110
0.
1uF25V
EC100
47uF16V
R1
18
1K
R1
24
0R
R1
26
0R
R128 1K
MCU_3V31
R111
10K
RP100
47R*4
R1
12
1.
5K
R1
13
1.
5K
R116
10K
R153
10K
R154
47K
Q101
2N3904
R106
100R
C
102
100pF
SYSTEM
_RST
[2/6]
SUB_UART_RX [4/6]
SUB_UART_TX [4/6]
SUBPRE-
O
UT_
M
UTE
[2/6]
SCL
[2/6,5/6]
SDA
[2/6,5/6]
AC_DET
[6/6]
[6/6]
AMP_SD [5/6]
AMP_OTW [5/6]
MCU_3V3 [6/6]
LED_PWR [6/6]
AMP_RST
[5/6]
SUB_DIAG
[4/6]
SUB_READY
[4/6]
SUB_MUTE
[4/6]
SPI_MOSI
[4/6]
SPI_MISO
[4/6]
SPI_CLK
[4/6]
SPI_CS
[4/6]
SUB_RESET
[4/6]
MODE
[4/6]
HDMI_ON/OFF [6/6]
POWER_ON/OFF
[6/6]
MCU-3V3
MCU_REST
TOOL0
MCU_TX
HDM
I_
S
DA
[2/6,3/6]
HDM
I_
R
ESET
[2/6,3/6]
HDM
I_
S
CL
[2/6,3/6]
HDM
I_
INTB
[2/6,3/6]
MCU_RX
PRI
2.
4G
_R
ST
[2/6,6/6]
2.
4G
_SD
A
[2/6]
SUBPRE_EN [6/6]
2.
4G
_SC
L
[2/6]
FLASH_
ERR
[2/6]
S3V3_EN [4/6]
IR_LEARNING
[4/6]
Remote control
sensor
to LED/TOUCH_CN800
Page 35 B2
A B C D E F G H I J
1
2
3
4
5
6
7
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YAS-408/YMS-4080/ATS-4080
MAIN 1/6
■
CIRCUIT DIAGRAMS
FOR INFORMATION ONLY (COMPONENT PARTS NOT AVAILABLE)
YAS-CU4080/YMS-4080/ATS-CU4080