SAMSUNG SM-T390 Service and repair manual
SM-T390 Block diagram
ANIBAL GARCIA VENEZUELA
https://irepairvenezuela.com/
@irepair.ve
https://www.youtube.com/anibalgarciaolivera
CAM_MIPI_D[0:3]_P/N
CAM_MIPI_CLK_P/N
VTCAM_MIPI_D0/D1_P/N
VTCAM_MIPI_CLK_P/N
LCD_EN
LCD_MIPI_CLK_P/N_F
LCD_MIPI_[0:3]P/N_F
EMI FILTER
CAM_AF/I2C_SCL/SDA_1P8
CAM_MCLK/_RST
EMI FILTER
VTCAM_MCLK/_RST_N
5MCAM_SCL/SDA_1P8
LCD BUCK BOOSTER
(ISL98608IIZ-TR 5654)
LED BACKLIGHT DRIVER IC
MIPI_DSI0_RESET_N, LCD_LDI_INT
EMI FILTER
CAM_MIPI_D[0:3]_P/N_F
CAM_MIPI_CLK_P/N_F
VTCAM_MIPI_D0/D1_P/N_F
VTCAM_MIPI_CLK_P/N_F
VSN_-5.4V, VSP_5.4V
LED_K([1:3]), LED_BL_PWM_LDI
LED_VOUT_18V
LCD_MIPI_CLK_P/N
LCD_MIPI_CLK_P/N
8M CAM
Conn.
5M CAM
Conn.
TFT
LCD
Conn.
VDD_CAM_CORE_1P2
VDD_CAM_A2P8
VDD_VTCAM_CORE_1P2
LCD
Ext. LDO (AP7340D-12FS4-7-71)
Ext. LDO (AP7340D-28FS4-7-71)
Ext. LDO (AP7340D-12FS4-7-71)
8"
GPS ANT
SAW
(SFHG89XA402)
LNA
(MXDLN16U)
From. P MIC
GPS_LNA_EN
SAW
(SFHG89XA402)
VDD_1P8_AP
GPS_RF_IN
GPS IC
(BCM47522IUB2GT)
LNA_EN
G_RF_IN
UART_NCTS
UART_NRTSIHOST_REQ
UART_TXDISCL
UART_RXDISDA
NSTANDBY
G_TCXO
CLK32
GPS_UART_RTS
GPS_UART_CTS
GPS_UART_RXD
GPS_UART_TXD
GPS_PWR_ON
GPS_TCXO_IN
GPS_CLK_32K
XGPIO14
XGPIO13
XGPIO11
XGPIO12
TSP_INT_N
TSP_I2C_SDA/SCL
PEN_LDO_EN
H_LDO_OUT
From. P MIC
PMIC_IRQBC/IRQ_N
CP_PWR_DOWN
AP_PMIC_CLK_32K
PMIC_PWR_HOLD
WARM_RST_IN_N
PMIC_SCL/SDA_1P8
PEN_FWEL/IRQ
PEN_PDCT
PEN_SCL/SDA_1P8
S-PEN LDO
(AP734D-33FS4-7)
BB_I2S_LRCK
CODEC_24M
PWR_EN
WRSTB_IN
BOOT_LDO
PMIC_POR
TSP IC
(FTS8CD56)
TSP_ID0/ID1
VDD_AP_1P8
V_EWRITING_3.3V
TSP_TX(21)_KEY
TSP_RX([0:33])
GUARD
IF
Conn.
(TOP)
AP PMIC
(S2MPU05X01-6030)
TSP
Conn.
T_PEN_PDCT
T_PEN_SCL/SDA_1P8
T_PEN_VD_3.3V
T_PEN_VA_3.3V
26MHz
T_VDD_AP_1P8
T_PEN_FWEL/IRQ
DEBUGER
PWR_ON, VOL_UP/DN
SUB_MIC_P/N
T_PEN_RESET_N
T_PEN_TXD/RXD
T_PEN_FWE0/1
PWR/VOL C-CLIP
MOTOR
MUX_SEL
SUB_MIC Conn.
VDD_MOTOR_3P3
S_PEN CONTROL IC
(W9019)
PWR/VOL_KEY
Ext. LDO
(AP7340D-33FS4-7)
CL[0:57]
T_PEN_VREF1
16MHz
S-PEN
Conn.
AP_UART_RXD/TXD
USB_AP_D_P/N
MUIC/CHG_INT
FG_ALERT
IF_PMIC_RST
CAM_TORCH/FLASH_EN
CHG_EN
IF_PMIC_SCL/SDA_1P8, FG_SCL/SDA_1P8
VBAT
From. PA
CHG_IN_5P0
PA_THERM
IF PMIC
(SM5705Q)
CBL_PWR_N
FET
AP_USB_VBUS_4P9
FET
USB_DP/DM
MUX
MUX_OUT
IFC_SENSE
V_BATTERY
V_BATTERY_SENSE
FG_SENSE_P/N
BATT_DETB
POGO_IN_5V
MUX
From. C C IC
BAT_THM
BATTERY CONTACT
VBAT
(TPS61256AYFFR)
AP_THM
POGO BOOST
OVP (KTS1681)
POGO_ID
POGO_USB_D_P/D_N
H_LDO_OUT
NFC_ANT_1/2
POGO_BST_5V
POGO_5V
BUCK BOOST for HLDO
(FAN49100AUC360X)
From. N FC IC
POGO
CONTACT
VBAT
CP/AP
(S5E7870XH0-LA30)
LPDDR (3GB)
(K4EHE304EA-AGCF)
BOOST (FAN48618BUC53X)
VCONN_BOOST_EN
CC_SCL/SDA_1P8
CC_IRQ
H_LDO_OUT
VCONN_IN_5P2
JIG_ON_CC
CC IC
(S2MM005X01-6030)
CC_VBAT_3P3
Ext. LDO
(AP7340D-33FS4-7)
POK_4P0
VBAT
OVP
(FPF3688UCX)
Main
MIC()
E/P
CC1/CC2
SBU1/SBU2
C_CON_DET
IF_EAR_MIC_3.5_P
IF_EAR_MIC_3.5_N
IF_EAR_OUT_L
IF_EAR_OUT_R
IF_EAR_OUT_FB
USB_DP/DM_CON
VBUS_IF_5P0
IF_MAIN_MIC_P
IF_MAIN_MIC_N
IF
Conn.
EAR_MIC_3.5_P
EAR_MIC_3.5_N
MAIN_MIC_P
MAIN_MIC_N
EAROUT_L
EAROUT_R
Filter
EAR_OUT_FB
EAR_MIC_P
EAR_MIC_N
IF_USB_DP/DM_CON
IF_VBUS_5P0
IF_CC1/CC2
IF_SBU1/SBU2
IF_CON_DET
MICIN1P
MICIN1N
HPOUTL
HPOUTR
MICIN3P
MICIN3N
HPVREF
USB
TYPE C
Conn.
BT/WIFI ANT
- WIFI 2.4/5 GHz
WLAN_ANT_CN
GRIP SENSOR
(SX9321)
VDD_GRIP_1P8_WIFI
Ext. LDO
(AP7340D-18FS4-7)
To. Wi Fi IC
WLAN_PDET_IN
Coupler
(HHM2942A2)
WIFI_TOUCH_INT
GRIP_SCL/SDA_1P8
DIPLEXER
(DPX105950DT-6016A1)
To. AP
To/From. AP
WLAN_TRXD_5G
SAW
(SFDG45DQ102)
WIFI BUCK BOOSTER
(TPS630250)
To. Batt Conn
WLAN_TRXD_2G
VDD_WLAN_3P3
From. P MIC
NFC_ANT_1/2
VDD_1P8_AP
WIFI IC
(QCA9377-3)
BT_WLAN_CLK_32K
NFC IC
(S3NRN81XS1)
48MHz
WLAN_EN, WLAN_HOST_WAKE
BT_EN, BT_HOST_WAKE, BT_WAKE
WLAN_COEX_RXD/TXD
BT_UART_RTS/CTS/TXD/RXD
BT_PCM_D_OUT/IN
BT_PCM_LRCK/CLK
WLAN_DATA[0:3]
WLAN_CLK/CMD
From. P MIC
NFC_CLK_REQ
NFC_CLK_26M
NFC_SCL/SDA_1P8
NFC_EN
NFC_FIRM/IRQ
XADC_AIN_4
XAUD_I2S1_MCLKO
XI2C1_SDA
XI2C1_SCL
XAUD_I2S1_LRCK
XAUD_I2S1_BCLK
XAUD_I2S3_SDI
XAUD_I2S1_SDO
XTCXO
XCP_EXT_LNA_ON2
XCP_EXT_LNA_ON3
XCP_EXT_LNA_ON4
XCP_EXT_LNA_ON5
XCP_EXT_LNA_ON6
XCP_EXT_LNA_ON7
XCP_EXT_LNA_ON8
XCP_EXT_LNA_ON9
TCXO
26.000MHz
PRX_LNA_EN_B7
PRX_LNA_EN_B38
PRX_LNA_EN_B40
PRX_LNA_EN_B1
PRX_LNA_EN_B3
PRX_LNA_EN_B8
PRX_LNA_EN_B20
PRX_LNA_EN_B28
AMP_SDA_1P8
AMP_SCL_1P8
AMP_I2S_LRCK
AMP_I2S_BCLK
AMP_I2S_D_IN
AMP_I2S_D_OUT
EAR_G DET
EAR_ADC_3.5_AP
CODEC_24M
Sub
MIC()
IF_EAR_G_DET
IF_EAR_L_DET
<SPK AMP>
TFA9890C
(NXP)
Voltage
Divide
SPK_OUT_P
SPK_OUT_N
CODEC_I2S_D_OUT
CODEC_I2S_D_IN
SUB_MIC_P
SUB_MIC_N
SPK
EAR_G_DET
EAR_L_DET
HPG_DET
HPL_DET
AP PMIC
Internal Codec
(S2MPU05X01-6030)
SDOUT
SDIN
MICIN2P
MICIN2N
H_LDO_OUT
H_LDO_OUT
Ext. LDO
(AP7340D-18FS4-7)
Ext. LDO
(AP7340D-33FS4-7)
Ext. LDO
(NCP186AMX300TAG)
VDD_SENSOR_1P8
VDD_PROXY_LED_3P3
VDD_T_FLASH_3P0
SD Socket
Conn.
eMMC (16GB)
(KLMAG1JETD-B041)
Hall I C
6 Axis SENSOR
(K6DS3TR)
Magnetic SENSOR
(AK09916C)
Proxy+RGB SENSOR
(TMD3725)
T_FLASH_D[0:3]/CLK/CMD
CARD_DET
EMMC_DATA([0:7])
MSM_RESOUT_N
EMMC_RCLK
EMMC_CLK/CMD
HALL_INT
6AXIS_INT1/2
SENSOR_I2C_SCL/SDA
SENSOR_I2C_SCL/SDA
PROXY_INT
SENSOR_I2C_SCL/SDA
XCP_TX0_MIPI_RFEE_SDATA
XCP_TX0_MIPI_RFEE_SCLK
XCP_ANT_SW0
XCP_ANT_SW1
XCP_ANT_SW2
XADC0_AIN_2
RFFE0_DATA
AA3
RFFE0_CLK
AA1
B28 TX SEL
HB_SW_SEL0
HB_SW_SEL1
H_LDO_OUT
Ext. LDO
(AP7346)
BTP_IRQ/RST_N/ID
BTP_SPI_MISO/MOSI/CLK/CS_N
HOME_KEY
BACK/RECENT_KEY
VDD_BTP_3P3/1P8
BTP
Conn.
KEY
Con
BTP
(FS8203)
HOME KEY DOME
Loading...