Yamaha YAS-408 Service Manual page 31

A B
1
MAIN 4/6
YAS-CU408/YMS-4080/ATS-CU4080 Wi-Fi SECTION
2
D400
SS34A
IC402
DIO7003LBST5
3
1 OUT
IN
3 FLG
2 GND
ENB
Page 34 F5
R407
100K
R406
91K
to JACK (JACK)_CN705
CN401
SAN-4P
USB_5V
VBUS 1
DM 2
90ohm
DP
3
USB_GND
GND 4
CN400
HR961117C
J8
1CT:1CT
4
J7 6
RX- C420 0.1uF25V
J6 5
RX+
J5 4
J4
1CT:1CT
J3 3
TX- C419 0.1uF25V
J2 2
TX+
NETWORK J1 1
1000pF
4x75R
7
2KV
R412
0R
8
+3.3V_AUTH WN_HW_N_RESET
GREEN
9 WN_N_MUTE
LEFT
10 WN_DIAG
YELLOW
11
RIGHT
12
PAD4 PAD3 PAD2 PAD1
R462 R411
5 0R 0R
WN_UPDATE_STATUS
ANT1 ANT2
2.4/5GHz 5GHz
TDM_SD
With IPEX connecter
TDM_WS
TDM_BCK
Wi-Fi/BT Module
WN_WCK_I2S_2
WN_BCK_I2S_2
WN_SDOUT_I2S_2
MGLB3216M161T5R0-LF
+3.7NET
6
+3.3V_AUTH
CN402
FFC-1mm(NC) C423
M3V3 0.1uF25V
+3.3V_AUTH
1
N_RST
2 RST
DBG_TXD TX-D
3
DBG_RXD
RX-D
4
DGND G3
5
DBG_LED0
LED0
6
DBG_LED1
LED01
7
7
C D
R408 47K
FB400 IC403
FB401
R403
600R 600R BL9198-33BAPRN
10R
S3.3V
5 1 5
VIN VOUT
R409 47K
4 2
GND
R465
Q400
3 4
2N3904 10K EN NC
R410
R464 100K
47K
to Network module
D401
CN403
ESD
WN9711BTAAC
L401 GND 2 1 GND D402
CMM21T-900M-N ESD
TDN1
TDN_PHY0_CH1 4 3 GND
100ohm TDP1
TDP_PHY0_CH1 6 5 USB2_P0_DM D-
GND 8 7 USB2_P0_DP D+
L402
CMM21T-900M-N TDN0
TDN_PHY0_CH0 10 9 GND
R425
100ohm TDP0 TP15 47R
TDP_PHY0_CH0 12 11 BSC0_SCL
C421 NC
GND 14 13 BSC0_SDA
C422 0.1uF25V
R426
R413 1K HW_RESET 16 15 GND TP16
47R
R414 1K MUTE 17 BSC1_SCL
18
R463 1K DIAG 19 BSC1_SDA
20
R415 10K HW_CONFIG[0] 21 GND
22
TP90
R416 10K HW_CONFIG[1] 23 3.3V
24
USB_VBS_EN_GPIO7
26 25 GND
200R ETHER_ACT_GPIO72 BCLK_I2S_1
R417 28 27
200R ETHER_LINK_GPIO71 SDOUT_I2S_1
R418 30 29
UPDATE_STATUS SDIN_I2S_1
32 31
FW_UPGRADE MCLK_I2S_1
34 33
GND 36 35 WS_I2S_1
SDOUT_I2S_0 38 37 GND
33R 33R
R419 SDIN_I2S_0 40 39 SPIO_MOSI R429
33R
R420 WS_I2S_0 42 41 SPIO_CLK
MCLK_I2S_0 44 43 SPIO_CS
33R
R421 BCLK_I2S_0 46 45 SPIO_MISO
GND 48 47 GND
33R 33R
R422 I2S_2_WS 50 49 UART1_TX R430
33R 33R
R423 I2S_2_BCK 52 51 UART1_RX R431
C451 I2S_2_MCLK 54 53 GND
47pF
I2S_2_SDIN 56 55 UART2_RX R432 33R
R424 33R I2S_2_SDOUT UART2_TX R433 33R
58 57
GND 59 GND
60
FB402
PWR B2B_PWR 61 GND
62
160R
B2B_PWR B2B_PWR
64 63
GND
E F
YAS-CU4080/YMS-4080/ATS-CU4080
+3.7NET
3V3_AUTH
+3.3V_AUTH
S3.3V
IC400
MFI337S3959
1 8
GND VCC +3.3V_AUTH
2 SDA 7
RST
3 NC 6
SCL
4 NC 5
NC
PG
C424
0.1uF25V
MFI_PON WN_SPIO_CS RP400
25
PB12/SPI2_NSS
47R*4
WN_SPIO_CLK
26
PB13/SPI2_SCK
WN_SPIO_MOSI 27
PB14/SPI2_MISO
WN_SPIO_MISO 28
PB15/SPI2_MOSI
DIAG
WN_DIAG RP401 29
PA8/USART1_CK
47R*4
WN_RX
WN_RXD 30
PA9/USART1_TX/I2C1_SCL
WN_TX
WN_TXD 31
PA10/USART1_RX/I2C1_SDA
HW_RST
WN_HW_N_RESET 32
PA11/USART1_RTS/I2C2_SCL
47R
WN_SPIO_MOSI WN_N_MUTE R434 33
PA12/USART1_RTS/I2C2_SDA
34
PA13[SWDIO]
35
VSS
36
VDD
WN_TXD
STATUS
47R
WN_UPDATE_STATUS R435
R436
FLG 47R
VBUS_PON
3.7V_PON
★ 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.
G H
C443 R458
0.22u50V 3R3
8 BST
L403
10uH/1.9A
7 SW
NR6028-100M
IC406
FB406
R402
BL9198-33BAPRN 600R
56R
5 1
VOUT VIN
2
GND R466
100K
4 3
NC EN
R469
10K
R468
C410
NC
2.2uF10V
IC405
STM32F030CCT6
G2
TX R440 47R
RX R441 47R
12
PA2/USART2_TX
MODE2
11
PA1/ADC_IN1
10
PA0/ADC_IN0
FB404
9
VDDA
600R
8
VSSA
7
NRST
0R
6 R439
PF1/OSC_OUT
5 1 3
PF0/OSC_IN
4 4 2
PC15/OSC32_OUT
3
Y400
PC14/OSC32_IN
16MHz
2
PC13/WAKUP2
FB403
1
S3.3V
VDD
600R
R437 33R
R438 33R
● ⚠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。
I J
YAS-408/YMS-4080/ATS-4080
IC407
MP8756GD
1
VIN
2
PGND
C408
0.1uF25V
Fsw=700KHz
DC/DC 3.7V
R459 R401
100K
10K
WIFI_VIN [6/6]
+5V [6/6]
[2/6,4/6]
WN_BCK_I2S_2
[2/6,4/6]
WN_WCK_I2S_2
WN_SDOUT_I2S_2 [2/6,4/6]
[2/6,4/6]
TDM_BCK
TDM_WS [2/6,4/6]
TDM_SD [2/6,4/6]
[1/6]
IR_LEARNING
SUB_UART_RX [1/6]
[1/6]
SUB_UART_TX
[1/6]
SPI_MISO
[1/6]
SPI_MOSI
[1/6]
SPI_CLK
[1/6]
SPI_CS
[1/6]
S3V3_EN
[1/6]
SUB_READY
SUB_MUTE [1/6]
SUB_DIAG [1/6]
SUB_RESET [1/6]
MODE [1/6]
CN404
FFC_1.0_V
TXDF
6
RXDF
5
MODE
4
3
NC
DGND
2
S3V3
1
CN409
FFC_1.5mm(NC)
S3V3_2
1
SWDIO1
2
SWCLK1
3
GND1
4
RESET1
5
31