8. Level 3 Repair
8-1
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8-1. Block Diagram
V_BUS_5V
VREG_L6_1P8
VREG_L17_2P95
EMMC_DATA[0:7]
EMMC_CLK
EMMC_CMD
MSM_RESOUT
MicroSD
VREG_L6_1P8
VREG_L18_2P95
T_FLASH_D([0:3])
T_FLASH_CLK
T_FLASH_CMD
T_FLASH_DETECT
MATISSE 3G SM-T531 rev0.3 BLOCK DIAGRAM
VREG_L6_1P8
VREG_S4_2P1
VREG_L4_1P2
CODEC_RESET_N
SLIMBUS
SLIMBUS_CLK, SLIMBUS_DATA
VPH_PWR
PMIC_AUDIO_REF_CLK
from PM8226, PMIC
CODEC_INT_N
EAR_VPS_L / R
Analog Switch
FSA2270
EAR_L / R_CRADLE_CON
EAROUT_L / R
LINEOUT_ON
3.5ø
Ear Jack
EAR_G_DET
EAR_L_DET
1.353V
DET_3.5
(Active Low)
SPK_L / R
AMP
YDA168
AMP
YDA168
VPH_PWR
EAR_MIC-
EAR_MIC_P / N
EAR_ADC
EAR_SEND_END
0.77V
(Active Low)
MAIN_MICBIAS_2.8V
MAIN_MIC_P / N
Main MIC
Speaker
AUDIO
to SM5502, MUIC
-
+
-
+
VREG_L6_1P8
VREG_L24_1P3
VREG_L16_3P0
VREG_L10_1P8
BT/WIFI
DIPLEXER
KEY_ANT
WL_RFIO_5G
Band Pass
Filter
WLAN_SET
WLAN_CLK
WLAN_DATA[0:2]
WLAN_I/Q
Bluetooth SBI
BT_WIFI_CLK_IN
BT_WIFI_CLK_OUT
OSC
DIPLEXER
HIGH
HIGH
LOW
LOW
BT_SSBI, BT_DATA, BT_CTL
WIFI 2.4GHz
WIFI 5GHz
GPS_ANT
LNA
RDALN16
SAW
Filter
VDD_FEM/GPS_2P75
GPS
SAW
Filter
3M_CLK_P / N
Filter
3M_DP / N
CAM_ANALOG_EN
VPH_PWR
3M_MCLK
CAM I2C
3M_nRST
3M_nSTBY
VTCAM_EN
VPH_PWR
VTCAM_MCLK
VT_CAM_CLK_P / N
VT_CAM_DP / N
CAM I2C
VT_CAM_nRST
VT_CAM_nSTBY
VREG_L28_1P8
CAM_AVDD_2.8V
VREG_L26_1P225
VTCAM_CORE_1.8V
Filter
CAM I2C
VREG_L28_1P8
VT CAM
3M CAM
LDO
LDO
SIM
card
VREG_L6_1P8
VREG_L22_3P0
UIM1_RESET
UIM1_CLK
UIM1_DATA
UIM1_DETECT
ADJ_DET_D
GRIP_1P8
GRIP Sensor
SX9500IULTRT
RF_TOUCH
RF_TOUCH_AP
ANT_COM
GRIP Sensor I2C
Main
ANT
LDO
VREG_L15_2P8
ADJ_DET
GRIP Sensor
EAR_ADC
to PM8226
PMIC
STORTAGE
AP
MSM8926
LCD
TSP
Camera
MOTOR
SENSOR
CHARGER
USB
MIPI LVDS
Transmitter
TC358764
VREG_L5_1P2
LVDS_3V3
LVDS_1V8
VPH_PWR
LVDS_LDO_EN
LCD_CLK_P / N
LCD_D[0:3]_P / N
LVDS I2C
LVDS_RX_0P / N_F
Filter
LVDS_RST
LVDS_CLK_P / N_F
LVDS_RX_1P / N_F
LVDS_RX_2P / N_F
LVDS_RX_3P / N_F
Filter
3.3V BUCK
TPS63010
VPH_PWR
DISPLAY_3.3V
LCD_EN
Backlight
Driver
LM8558
LED_BACKLIGHT_RESET
BACKLIGHT_PWM_AP
LED_BACKLIGHT I2C
LED_VOUT_18V
LED_K([1:4])
VPH_PWR
LCD_SELECT
LDO
Filter
TSP IC
MXT1188S1
VPH_PWR
TSP_LDO_ON
LDO
TSP_VDD_1.8V
VPH_PWR
TSP_LDO_ON
LDO
TSP_AVDD_2.8V
VPH_PWR
TSP_LDO_ON
Booster
RT8517GQW
TSP_XVDD_9.1V
TSP_SW3_EN
Y[0:42]
X[0:24]
TX25
TX26
RX43
TSP_RST
TSP I2C
TSP_nINT
TA_nCONNECT
TSP_VENDOR
TSP
from SM5502, MUIC
MOTOR
ISA1200
MOTOR I2C
VIBTONE_PWM
MOT_EN
MOTOR_P
MOTOR_N
VREG_L6_1P8
M
VPH_PWR
ACC Sensor
K2HH
VREG_L19_2P85
VREG_LVS1_1P8
SENSOR I2C
ACC_INT
HALL IC
VREG_L6_1P8
DETECT_FLIPCOVER
Side Key
Home Key
WARM RESET
FT8010MPX
MSM_RES_IN
VREG_L6_1P8
VREG_L19_2P85
PM_KYPD_PWR_N
PM_RESIN_N
VOL_UP
VOL_DOWN
MSM_RES_IN
HOME_KEY
VREG_S3_1P35
VREG_S3_2P1
VREG_S1_1P15
VREG_S2_1P05
AP
MSM8926
to WCD9306
CODEC
VREG_L[1:28]
VREF_LPDDR2
PMIC_AUDIO_REF_CLK
BAT_UIM_ALARM
GRFC(12)
VREF_MSM_PX_MPP1
VREF_LDO_MPP3
PA_THERM0_MPP5
EAR_ADC
BBCLK_MSM
BBCLK_MSM_EN
MSM_PS_HOLD
RFCLK1_19.2M
SLEEP_CLK
to WCD9306, CODEC
to WTR2605, Transceiver
from Ear Jack
from Thermistor for PA
Thermistor AP
AP_THERM
Thermistor SYSTEM
SYS_THERM
XO_THERM
19.2M_IN
19.2M_OUT
OSC
to All System
Micro USB
Switch IC
SM5502
VREG_L6_1P8
V_BUS_5V
VPH_PWR
MUIC_DP / DM
MUIC_ID
Filter
VBUS_IN
OVP
MUIC I2C
MUIC_INT_N
PMIC_JIGONB
IF_CON_SENSE
MSM_UART_RX / TX
USB_HS_DP / DM
OTG_ID
EAR_L / R_CRADLE_CON
IF_VOUT_CHATGER
BATT_ID
TA_INT
CHG I2C
TA_nCHG
VOUT_CHARGER
VREG_L6_1P8
TA_ENABLE
VPH_PWR
(Root)
VOUT_CHARGER
(Root)
IF_VOUT_CHATGER
Switch
BMS_SENSE_P / N
IF_CON_SENSE
(CHGOUT)
(USBIN)
(FETDRV)
(VSYS)
CHARGER
SMB358
Battery
Switch
to PM8226, PMIC
CBL_PWR_N
from FSA2270
Analog Switch
UART_BOOT_ON
TA_nCONNECT
(EN)
AP
MSM8926
for LDOs
(USBIN)
V_BUS_5V
VPH_PWR
(VPH_PWR, VDD_x)
VOUT_CHARGER
(VBAT, VBAT_SNS)
Micro
USB
CON
16GB
eMMC
PMIC
PM8926
Audio CODEC
WCD9306
Bluetooth
WIFI
WCN3660A
AP / CP
MSM8926
LCD
POP RAM
LPDDR3
1.5G
WCSS_XO
CH0_BB_RX_I / Q
GPS_BB_RX_I / Q
GPS_DATA[0:1]
CH0_BB_TX_I / Q
CH0_SSBI_RX
CH0_SSBI_TX_GPS
RFCLK1_19.2M
CH0_TXDAC_IREF
VOUT_CHARGER
VREG_L1_1P225
VREG_L9_2P05
VREG_L10_1P8
from PM8226, PMIC
2G / 3G
Transceiver
WTR2605
2G PA
FEMID
SKY77573
Main ANT
B8
SAW Duplexer
B1
SAW Duplexer
B5
SAW Duplexer
B2
SAW Duplexer
RX_B1
WTR0_DPET_IN
RX_B8_G900
RX_B2
RX_B5_G850
PAM B1/ B8
SKY77741-
21
TXM_CTL[0:4]
PA_R[0:1]
VOUT_CHARGER
RX_DCS_PCS
SAW
Filter
RX1 [PCS]
RX2 [DCS]
RF_TX_DA_1
VOUT_CHARGER
VOUT_CHARGER
RF_TX_DA_2
PAM B2/ B5
SKY77742-
21
CPL_PDET_LOOP
PA_ON_B1 / B8
PA_R0
PA_R0
PA_ON_B2 / B5
RF_TX_DA_3
GPS_RF_IN
RF