ViewSonic VS15197 Service Manual page 44

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