Sm A326b Troubleshooting
8. Level 3 Repair
8-1. Components Layout
PBA ( Bottom )
PBA ( Top)
Type -C
V_BATTERY
VS2_PMU_1P35
VS1_PMU_2P0
VSYS
VSYS
VS1_PMU_2P0
VSYS
VS1_PMU_2P0
VSYS
VS1_PMU_2P0
VSYS
VSYS
VS2_PMU_1P35
PWRKEY
VOL/DN
RCV
MAIN MIC
SUB MIC
VBUS
Battery
5000mAh
OVP
ET9539AM
TXC
RCV_OUT_P/N
VDD_MAIN_MICBIAS_2P8
MAIN_MIC_P/N
VDD_SUB_MICBIAS_2P8
SUB_MIC_P/N
EAR_MICBIAS_2P7
EAR_OUT_R/L_IN
EAR_MIC_3.5_P
EAR_L_DET
VPROC1/2,VCORE,VPU,VS1/2,
VMODEM,VGPU11/12
VFE28,VAUX18,VBIF28,VUSB,VIBR,
VCN33_1/2,VEMC,VSIM1,VSIM2,
VIO28,VUFS,VCN18,VRF18,VIO18,
VEFUSE, VM18, VCAMIO, VAUD18
VBUCK1~4
PVDD1~4
VSYS
FLASH
CC1/2
VBUS
LDO
TLV75511PDQNR
LDO
ET51518YB
LDO
ET51529YB
LDO
ET51528YB
LDO
ET51512YB
LDO
ET51528YB
LDO
ET51512YB
LDO
ET51528YB
LDO
ET51512YB
LDO
ET51528YB
LDO
ET51528YB
LDO
RP109L111D-TR
RCAM1_DVDD_1P05
CAM_VDDIO_1P8
RCAM1_AVDD1_2P8
RCAM1_AFVDD_2P8
RCAM2_DVDD_1P8
RCAM2_AVDD_2P8
RCAM3_DVDD_1P2
RCAM3_AVDD_2P8
RCAM4_DVDD_1P2
RCAM4_AVDD_2P8
FCAM_AVDD_2P8
REAR CAMERA
48M(Wide)
2M(Bokeh)
8M(UW)
5M(Macro)
FRONT CAMERA
13M
FCAM_DVDD_1P05
PMIC #1
MT6359
BUCKPMIC
MT6315
SUB PMIC
MT6360UP-A
A32 5G BB Block Diagram
LPDDR4A/B_DQ(0~15),LPDDR4A_DQS_0/1_P/N
LPDDR4A/B_CLK_P/N, LPDDR4A/B_CKE_0/1, LPDDR4A/B_CS_0/1,
LPDDR4A/B_CA(0~5), LPDDR4B_DMI_0/1
UFS_REFCLK,UFS_RST_N
UFS_TX_0/1_P/N,UFS_RX_D0/1_P/N
VDD_T_FLASH_3P0
MICROSD_DATA(0:3)
3IN2 SOCKET
MICROSD_CLK,CMD
VDD_VIM2_1P8_3P0
SIM2_RST, SIM2_CLK
SIM2_DATA
VDD_NFC_SIM1_1P8_3P0
SIM1_RST, SIM1_CLK, NFC_SWP
SIM1_DATA
SIM_TRAY_DET
TSP_SCL/SDA_1P8
TSP_SPI_MISO, TSP_SPI_SCN, LCD_RST, TSP_RST, TSP_TA
LCD_ID, LCD_DET, LCD_ESD_DET, TSP_INT, LCD_PWM_CON
OCTA_MIPI_D0~D3, CLK
VSYS
EL_ON1_DET
LCD DC/DC
SENSOR_SPI_MISO
6AXIS_INT,6AXIS_INT2
SENSOR_SPI_MOSI, SENSOR_SPI_CLK, SENSOR_SPI_CS_N
SENSOR_SCL,SDA
PROXY_INT
GRIP_INT1
GRIP1_SCL,SDA_1P8
GRIP_INT2
GRIP2_SCL,SDA
VDD_BTP_3P3
BTP_SPI_CLK, MISO, MOSI
BTP_IRQ
NFC_EN
NFC_FIRM
NFC_IRQ
NFC_CLK_REQ
NFC_SCL/SDA_1P8
CONN_TOP/WB/BT_CLK/DATA
CONN_HRST_B
CONN_WF_CTRL0~2
WF0/BT_/Q_IP/IN
GPS_I/Q
SPK_AMP_I2C_SCL/SDA_1P8
SPK_I2S3_DO/DI/WS/BCLK
VDD_LCD_ELVDD_4P6
VDD_LCD_ELVSS_-4P4
VDD_LCD_ELAVDD_7P3
EL_ON1,EL_ON2
SENSOR
ACC + GRYO
ICM-42605-M
MAGNETIC
MMC5633NJ
PROXY
STK33519
GRIP (MAIN)
A96T356HF
GRIP (SUB)
A96T356HF
Finger
BM23FR0.8-10DS
VSYS
NFC
S3NRN4VX
BT/WIFI/GPS
MT6631
SPK AMP
SMA1303-W
VDD_SIM1_1P8_3P3
VDD_NFC_SIM1_1P8_3P0
VDD_GPS_A1P8,FM_AVDD28,
AVDD18_WBT,AVDD33_WBT
SPK_OUT_P/N
VSYS
VIO18_PMU
SD
CARD
SIM2
SIM1
VSYS
RCAM1_SENSOR_I2C_SDA/SCL
RCAM1_3_4_FCAM_EEP_SDA/SCL
RCAM1_MCLK
RCAM1_MIPI_D0~D3,CLK
RCAM1_RST_N,FSYNC_MAIN_OUT
RCAM2_SENSOR_I2C_SDA/SCL
RCAM2_MCLK
RCAM2_MIPI_D0~D1,CLK
RCAM2_RST_N,FSYNC_MAIN_OUT
RCAM3_SENSOR_I2C_SDA/SCL
RCAM1_3_4_FCAM_EEP_SDA/SCL
RCAM3_MCLK
RCAM3_MIPI_D0~D3,CLK
RCAM3_RST_N,FSYNC_MAIN_OUT
RCAM4_SENSOR_I2C_SDA/SCL
RCAM4_MCLK
RCAM4_MIPI_D0,CLK
RCAM4_RST_N,FSYNC_MAIN_OUT
FCAM_SENSOR_I2C_SDA/SCL
RCAM1_3_4_FCAM_EEP_SDA/SCL
FCAM_MCLK
FCAM_MIPI_D0~D3,CLK
FCAM_RST_N
AUD_NLE,DAT,CLK I2S
SYSRSTB,SRCLKENA0/1, WATCHDOG
EXT_PMIC_PG, EXT_PMIC_EN1/2
SCP_VREQ_VAO
PWRAP_SPI0
AP_PMIC_CLK_32K
058812
SPMI_M_I2C
EINT_6315_1,EXT_PMIC_PG
EXP_PMIC_EN2, SRCLKENA0/1,WATCHDOG
VOL /UP
SUB_PMIC1_I2C_SCL/SDA_1P8
CC1/2
EINT_SUBPMIC_/PD_IRQB, EXT_PMIC_PG, CHRDETB
CAM_FLASH_TORCH/STORBE
EXT_PMIC_EN1, WATCHDOG, SRCLKENA1, SIM_TRAY_DET
VSYS
M
VDD_VIB_3P3
AP
MT6853
uMCP MEMORY
TSP
ILI9882N(ILITEK)
LCD
6.5" HD+
Vcut
VDD_SENSOR_1P8
VDD_GRIP_3P0
VDD_BTP_3P3
LDO
ET51530YB
SPK
VDD_TSP_A3P0
VDD_LCD_1P8
VDD_LCD_3P0
VSYS
VUFS18_PMU,VEMC_PMU
EMI_VDD1,2
SUB ANT 1
DRX L/M/HB
DRX MIMO N7/41
PRX MIMO N79
MAIN ANT 3/4
DRX MIMO N78/N79
PRX MIMO 1/3
QM13324
SP4T
MIPI_ANT0
(#S1)
QM13324
SP4T
MIPI_ANT0
BT/WIFI ANT
BT/WIFI
CABLE_DET_MIMO
SUB ANT 5
N78/79 DRX
LFD181G65MPUF177
Diplexer
(#M3)
DRX_ANT_MHB
DPX202700DT-4179A1K
Diplexer
GPS
(#M3-1)
DRX_ANT_LB
FCC ID : A3LSMA326B
(#S5)
MXD8648MS
SP4T
RFFE 2
SFWG42CBB02
B1/3
(#M3-2)
SFMR9Z0L001-SYM1
DRX FEM
Switch
Switch
B1(4) Rx
B3 Rx
B34 Rx
B39 Rx
B41 Rx
B40 Rx
B7 Rx
MHB_TRX1
MHB_TRX2
MHB_TRX3
B26(5) Rx
B8 Rx
LB_TRX1
LB_TRX2
LB_TRX3
LB_TRX4
MIPI
Control
MXDLN16U
GPS LNA
RFFE1
LNA
SFWG45AQE02
2.4G(SAW)/5G DIPLEXER
SFHG89BF302
RFFE1
(#M3-1-1)
LFB213G50CT2E367
SRS_OUT3_N79
SRS_OUT3_N78
(#M3-1-2)
(#M3-2-1)
(#M3-2-2)
MXD8621E
SPDT
ATTEN
SFWG62DBB02
SRS_OUT3_N41
SAFFB742MAA0F3K
B7502
SFH806BA002
BGS14MPA9
SP4T
RFFE1
SRS_OUT2_N78
SAMSUNG
CONFIDENTIAL
(#S5-2)
SRS_OUT2_N79
LFB213G50CT2E367
MXD8018US
N78 LNA
RFFE1
LNA
MXD8018MS
B3 LNA
RFFE1
LNA
MXD8018MS
B1 LNA
RFFE1
LNA
DRX_LNA_IN_B7_4RX
DRX_LNA_IN_B41_4RX
DRX_LNA_IN_B7
DRX_LNA_IN_B38_40_41_N40_N41
DRX_LNA_IN_B1
DRX_LNA_IN_B4_66
DRX_LNA_IN_B2_PCS
DRX_LNA_IN_G1800_B3
DRX_LNA_IN_B12_17
DRX_LNA_IN_B20
DRX_LNA_IN_B28
DRX_LNA_IN_G850_B5_26
DRX_LNA_IN_EGSM_B8
MXD8018U
N78 LNA
RFFE1
LNA
DRX_TR_IN_N78_4RX
PRX_TR_IN_B3_4RX
PRX_TR_IN_B1_4RX
MT6191
RFFE1
DRX LNA BANK
1
1
2
DRX_TR_IN_N78
DRX_TR_IN_B7_N41_4RX
DRX_TR_IN_B7_38_40_41_NR
DRX_TR_IN_B1_4_66
DRX_TR_IN_B2_3_GHB
DRX_TR_IN_B12_17_20_28
DRX_TR_IN_B5_8_GLB
GPS_RF_IN
WB_RF_2G
WLAN_RF_5G
A32_5G RF BLOCK Diagram
MT6190W
Transceiver
LB
MB
Juw
5G RF
TRx
2.4G WiFiIBT RF
WiFi {
BT
Shared
RF
TRx
TX0A0_MB0
RXD_MHB_LNA11
RXD_MHB_LNA10
RXP_UHB_LNA26
TX0A0_MB1
TX0A0_LB1
TX0A0_LB0
RXP_LB_LNA03
RXP_LB_LNA02
MRX0
MRX1
TX1A0_MB0
TX0A0_HB0
TX1A0_HB1
RXP_MHB_LNA16
RXP_MHB_LNA17
RXP_MHB_LNA18
RXP_MHB_LNA19
TX1A0_HB0
RXP_UHB_LNA24
TX1A0_CB0
RXP_CB_LNA25
XO_IN
TX0_TR_OUT_MB
DRX_TR_IN_B1_4RX
DRX_TR_IN_B3_4RX
PRX_TR_IN_N78_4RX
TX0_TR_OUT_GSMHB
TX0_TR_OUT_GSMLB
TX0_TR_OUT_LOW
RXD_CB_LNA23
RXD_UHB_LNA22
RXD_UHB_LNA20
RXD_CB_LNA21
RXP_MHB_LNA14
RXP_MHB_LNA15
RXD_MHB_LNA04
RXD_MHB_LNA05
RXD_MHB_LNA07
RXD_MHB_LNA06
RXD_LB_LNA01
RXD_LB_LNA00
RXP_CB_LNA27
GPS_RFIN
WB_RF_2G
WF_RF_5G
HB
HB
56
3-wire
Ctn
5G
PTA
Control
WBT
2-wire
Ctn
PTAT
WBT
Control
2
From
MT6631N/B
BT/WIFI/GPS
5G WiFi RF
GPS RF
GPS 2-wire
GPS dig
DET ínput
2
0
HRX
GPS RF
RFIC_PDET
NR_CPL_OUT_TX1
TX1_TR_OUT_MB
TX0_TR_OUT_HB
TX1_TR_OUT_HB
PRX_TR_IN_B7_41_N41_4RX
PRX_TR_IN_B7_38_40_41_N7_41
PRX_TR_IN_B2_3_39_GHB
PRX_TR_IN\
