![background image](http://html1.mh-extra.com/html/viewsonic/vs15197/vs15197_service-manual_1021466044.webp)
make cbuck_out trace as short as possible to
the module pin out because it is very noisy.
3.3V input
1.8~3.3V input
3.3V input
Keep trace impedance 50 ohm
WLAN+BT
DFHD01MR040 CONN SMD HEADER 1P 1R MR(H0.85)
QG701000007 CONN SOCKET,2X2X0.85MM,ULTRA-MINIATUR
SFHD01MR000 CONN SMD HEADER 1P 1R MR(H0.85)EMS-PAL
check fp
NPO
800mA
300mA
300mA
SDMMC3_CLK_0
SDMMC3_CMD_0
CBUCK_OUT
BT_I2S_CLK
BT_HOST_WAKE
BT_SHUTDOWN_N
WL_GPIO6
BT_I2S_WS
BT_WAKE
WL_SHUTDOWN_N_RST_N
RTC_CLK
BT_I2S_DO
WL_GPIO_5
BT_I2S_DI
WL_GPIO_4
WL_GPIO_2
WL_GPIO_1
UART3_RTS_BT_0
UART3_RXD_BT_0
SDMMC3_DAT1_0
SDMMC3_DAT0_0
SDMMC3_DAT3_0
ADO_PCM1_TXD
ADO_PCM1_CLK
WL_HOST_WAKE
SDMMC3_CLK_0
SDMMC3_DAT2_0
SDMMC3_CMD_0
ADO_PCM1_FRM
ADO_PCM1_RXD
WL_GPIO_3
HSIC_DATA
JTAG_SEL
WL_GPIO_12
HSIC_STROBE
2G_ANT1
2G_ANT
SDMMC3_DAT2_0
SDMMC3_DAT0_0
SDMMC3_DAT3_0
SDMMC3_DAT1_0
WL_GPIO6
BT_RST_N
BT_SHUTDOWN_N
BT_RST_N
WL_SHUTDOWN_N_RST_N
AH634_VIN_LDO
AH634_VIN_LDO
VDD_FEM_2G_AH634
VDD_FEM_5G_AH634
VDD_3V3_COM
VDD_1V8_COM
VDD_3V3_COM
VDD_FEM_2G_AH634
VDD_FEM_5G_AH634
VDD_1V8_COM
SR_PA_OUT
VOUT_2P5
SR_PA_OUT
VDD_LN_OUT
VDD_LN_OUT
VDD1P2_CLDO_OUT
VDD1P2_CLDO_OUT
SR_PA_OUT
SDMMC3_CMD
12
SDMMC3_CLK
12
SDMMC3_DAT3
12
SDMMC3_DAT2
12
SDMMC3_DAT1
12
SDMMC3_DAT0
12
ADO_PCM1_TXD
14
ADO_PCM1_CLK
14
ADO_PCM1_FRM
14
ADO_PCM1_RXD
14
BT_WAKE_T
14
CLK_32K_OUT
4
WL_HOST_WAKE_T
14
WL_SD_N_RST_N
14
BT_RST_N_T
14
BT_SHUTDOWN_N_T
14
UART3_TXD_BT
14
UART3_RXD_BT
14
UART3_RTS_BT
14
UART3_CTS_BT
14
BT_HOST_WAKE
14
R704
*Short_2
C236
*33p/50V_4
R306
0_4
C234
10p/50V_4
R
3
1
2
1
0
K
/F
_
4
R307
0_4
T133
R318
*Short_2
T132
R
7
4
5
*0
_
4
R308
0_4
T127
C
2
4
1
*1
0
p
/5
0
V
_
4
1
2
CN25
SHIELDING_CLIP
1
1
2
2
3
3
C452
1u/10V_4
1
2
R705
*Short_2
R
3
1
5
1
0
K
/F
_
4
R302
0_4
C232
4.7u/10V_6
C454
4.7u/10V_6
T131
C235
*33p/50V_4
R748
0_4
C
2
4
0
*1
0
p
/5
0
V
_
4
1
2
R769
10K_4
R
7
2
7
*1
0
K
/F
_
4
T134
CN29
SHIELDING_CLIP
1
1
2
2
3
3
R303
0_4
T126
R
3
1
3
1
0
K
/F
_
4
C
2
3
9
*1
0
p
/5
0
V
_
4
1
2
C404
0.1uF/16V_4
C451
4.7u/10V_6
R746
0_4
C453
4.7u/10V_6
T125
CN27
SHIELDING_CLIP
1
1
2
2
3
3
R
7
2
5
1
0
K
/F
_
4
R
3
1
6
1
0
K
/F
_
4
C469
0.1uF/16V_4
C
2
3
8
*1
0
p
/5
0
V
_
4
1
2
C405
0.1uF/16V_4
T135
R
7
2
8
0
_
4
C422
*10p/50V_4
T124
L22
2.2uH_2A
R304
0_4
CN9
U.FL
1
1
2
2
3
3
CN22
SHIELDING_CLIP
1
1
2
2
3
3
C406
0.1uF/16V_4
R
7
4
1
*0
_
4
R702
*Short_2
C
2
3
7
*1
0
p
/5
0
V
_
4
1
2
R
7
3
9
1
0
K
/F
_
4
T136
R747
0_4
R
3
1
4
1
0
K
/F
_
4
CN23
SHIELDING_CLIP
1
1
2
2
3
3
R311
*Short_2
R305
0_4
T130
CN28
SHIELDING_CLIP
1
1
2
2
3
3
C421
*10p/50V_4
R309
0_4
U22
AW-AH660
GND1
A1
VBAT_IN
A2
SR_PA_OUT
A3
GND2
A4
ANT_FM_RX
A5
ANT_FM_TX
A6
FM_AUDIO_R
A7
FM_AUDIO_L
A8
GND3
A9
BT_PCM_CLK
F5
WL_HOST_WAKE
F6
BT_UART_CTS_N
F7
BT_UART_TXD
F8
GND14
F9
SDIO_CLK_SPI_CLK
G1
SDIO_DATA2_SPI_NC
G2
SDIO_CMD_SPI_DI
G3
BT_PCM_SYNC
G4
BT_PCM_OUT
G5
GND15
G6
VDD_WL_PA_A_MODE
H9
NC2
H8
GND18
H7
ANT_AUX_EN
H6
GND17
H5
ANT_MAIN_EN
H4
HSIC_DATA
H3
VDDIO_RF
H2
RTC_CLK
D3
WL_SHUTDOWN_N_RST_N
D2
NC1
D9
VDDIO
H1
BT_I2S_DI
D7
WL_GPIO_5
D6
BT_I2S_DO
D5
GND9
D4
GND10
D8
VDD1P2_CLDO_OUT
D1
GND19
J1
HSIC_STROBE
J2
VDD_LN_IN
J3
GND20
J4
GND21
J5
GND22
J6
ANT_2G4
J7
GND23
J8
GND24
J9
VDD_WL_PA
G9
GND16
G8
WL_UART_RX
G7
CBUCK_OUT
B1
GND4
B2
VOUT_2P5_OUT
B3
VOUT_2P5_IN
B4
GND5
B5
BT_I2S_CLK
B6
BT_HOST_WAKE
B7
GND6
B8
VDD_BT_PA
B9
GND13
E9
BT_UART_RXD
E8
BT_UART_RTS_N
E7
WL_GPIO_1
E6
GND12
E5
GND8
C9
BT_WAKE
C8
BT_I2S_WS
C7
WL_GPIO_6
C6
GND7
C5
BT_RST_N
C4
BT_SHUTDOWN_N
C3
VDD_LN_OUT
C2
VIN_LDO
C1
GND11
E1
VDD_CORE
E2
WL_UART_TX
E3
WL_GPIO_2
E4
BT_PCM_IN
F4
SDIO_DATA3_SPI_CS
F3
SDIO_DATA0_SPI_DO
F2
SDIO_DATA1_SPI_IRQ
F1
R310
0_4
T137
R703
*Short_2
C420
*10p/50V_4
R
7
4
3
*0
_
4
T176
R
7
2
6
1
0
K
/F
_
4
C233
10u/6.3V_6
CN24
SHIELDING_CLIP
1
1
2
2
3
3
43
Confidential - Do Not Copy
ViewSonic Corporation
VSD241/SD-A245/CDS245
Summary of Contents for VS15197
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