Circuit Diagrams - Yamaha YAS-408 Service Manual

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YAS-408/YMS-4080/ATS-4080

■ CIRCUIT DIAGRAMS

1
FOR INFORMATION ONLY (COMPONENT PARTS NOT AVAILABLE)
MAIN 1/6
YAS-CU408/YMS-4080/ATS-CU4080 MAIN MCU SECTION
2
IC101
HM338-S3
Remote control
IR
sensor
3
[4/6] IR_LEARNING
4
[4/6] SUB_UART_RX
[4/6] SUB_UART_TX
[4/6]
SPI_MISO
[4/6]
SPI_MOSI
[4/6] SPI_CLK
[4/6] SPI_CS
[4/6]
S3V3_EN
[4/6]
SUB_READY
[4/6]
SUB_MUTE
[4/6]
SUB_DIAG
[4/6] SUB_RESET
[4/6]
MODE
5
[6/6] POWER_ON/OFF
[6/6]
PRI
[6/6] AC_DET
[6/6]
HDMI_ON/OFF
[6/6] SUBPRE_EN
6
7
28
C D
R101 100R
OUT 100R
R106
GND2 R102 10K
VCC
R103 22R
13
P50/INTP1/SDA11
14
P51/INTP2
15
P17/TI02/TO02(TXD0)
16
P16/INTP5/TO01(RXD0)
17
P15/TO02/SCL20
R135 33R 18
P14/RXD2/SDAA0
R136 33R 19
P13/TXD2/SCLA0
RP100 20
P12/SO00/TOOLTXD
47R*4
21
P11/SI00/TOOLRXD
22
P10/SCK00/SCL00
23
P146
R116 24
10K
P147/ANI18
R108 33R
R109 33R
33R
R110
R117 1K
R119 NC
C107
R120
1K C109
R130 1K
R138
1K
R128 1K
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YAS-CU4080/YMS-4080/ATS-CU4080
Page 35 B2
to LED/TOUCH_CN800
TO KEY BOARD
CN100
FFC-1.00_V
Q100
FB100 NCE2305
600R
C100 NC
C101 NC
R153
10K
R154
47K
4.7K
R151
4.7K
R152
R111
10K
IC100
RL78G13R5F100GEAFB#V0
48
VDD
47
VSS
46
REGC
45
P121/X1
44
P122/X2
43 R149 100K
P137/INTP0
42
P123/XT1
41 R196 100K
P124/XT2
40 R197 R145
1K
RESET
39
P40/TOOL0
38
P41 1 VOUT
37 IC102
P120/ANI19 ME2808A27M3G
2
R150 NC
R125
NC
47pF
47pF
TO MAPX
G H
R122
100K
Q101
2N3904
LED_PWR [6/6]
600R
FB101
MCU_3V3 [6/6]
R107 R105
NC NC
1K
R183
AMP_OTW [5/6]
R121 1K
AMP_SD [5/6]
R104 100R
[5/6]
AMP_RST
100K
VIN 3
VSS
CN101
FFC_1.0_V
GND4
1
MCU_3V31
MCU-3V3
2
MCU_RST MCU_REST
3
TOOL0
TOOL0
4
MCU_TX MCU_TX
5
MCU_RX
MCU_RX
6
★ 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。
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