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8. Level 3 Repair
8-1. Block Diagram

8-1

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Level 3 Repair

8-2. PCB Diagrams 8-2-1. Top

8-2

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Level 3 Repair

8-2-2. Bottom

8-3

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Level 3 Repair

8-3. Flow Chart of Troubleshooting Equipments

Oscilloscope

Digital Multimeter

Power Supply

+ driver, ESD Safe Tweezer

8960 & Spectrum Analyzer

Soldering iron

8-4

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Level 3 Repair

8-3-1. Power On

Device can`t power on.

Check the Battery Voltage. Is it more than 3.4V? Yes Check the power key (open, etc) Yes

No

Charging the battery by TA.

Abnormal

Change the power key And retry to the power-on operation.

Power-on the phone and check the power-on sound is ok?

Yes

Change the FRONT ASSY

No

Check the U409 output voltage (C448=1.15V, C449=1.15V)

No

If the output voltage is not satisfied with normal condition, Change the U409

Yes

Check the U5004 output signal (MSM_PS_HOLD(TP405) = 1.8V)

No

If the output voltage is not satisfied with normal. condition, replace U409

Yes check the initial operation

END

8-5

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Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.

Level 3 Repair

VDD_GR5

VDD_GR6

VDD_GR7

VPH_PWR

VREG_L5_1P8

VDD_GR2

VDD_GR3

VDD_GR4

VDD_GR1

C400

C401

VREG_S4_1P85

VDD_S1

VDD_S2

VDD_S3

VDD_S4

BOOST_5V
C403

C410 C412 C411

VBAT P12 VBAT M12 VBAT_SNS

VDD_L1_3 VDD_L2 VDD_L4_5_6 VDD_L4_5_6 VDD_L8_11_14_15_16 VDD_L8_11_14_15_16 VDD_L9_10_12_13_17_18 VDD_L9_10_12_13_17_18 VDD_XO_RFCLK VDD_L7 VDD_S1 VDD_S1 VDD_S1 VDD_S2 VDD_S2 VDD_S2 VDD_S3 VDD_S3 VDD_S3 VDD_S4 VDD_S4 VDD_S4

VDD_CDC_VBAT H13 VDD_HPH G14 VDD_EAR_SPKR D12 VDD_AUDIO_IO C11 VDD_CP C12 VDD_CP

N12

VCOIN

N2 N1 N9 P9 E1 E2 B1 B2 M2 M3 A6 B6 C6 A7 B7 C7 M5 N5 P5 M6 N6 P6

A13

L11

GND_CP

GND_SPKR

J7 GPIO_1_UIM_BATT_ALM H6 GPIO_2_NFC_CLK_REQ N11 GPIO_3_WTR_LDO_EN L8
GPIO_4_EXT_BUCK_EN

L4 MPP_1_VDD_PX_BIAS K4 MPP_2_HR_LED_SNK J4 MPP_3_VREF_DAC J5
MPP_4_WLED_PWM XTAL_19M_IN XTAL_19M_OUT RF_CLK1 RF_CLK2 BB_CLK1 BB_CLK2 BB_CLK1_EN SLEEP_CLK

J1 H2 L1 L2 F2 F3 E4 G6

N14 VREF_BAT_THM A2
VREF_LPDDR

VREG_L1 VREG_L2 VREG_L3 VREG_L4 VREG_L4 MSM_1.8V_IO_EMC_VDD1LPDDR3_P7 VREG_L5 LCD_TS_CAM_SENSOR_ VREG_L6 VDD_USBPHY_PLL2_A2 VREG_L7 VCC_NAND VREG_L8 VDD_WCN VREG_L9 VDD_CAMAF VREG_L10 VDD_SDC3 VREG_L11 VDD_SDC3 VREG_L12 VDD_USBPHY3P3 VREG_L13 VDD_UIM1_P5 VREG_L14 VDD_UIM2_P6 VREG_L15 TOUCHKEY VREG_L16 TS_SNS_LNA VREG_L17 QPA VREG_L18 VREG_RFCLK VREG_XO
VDD_RF VDD_P1_DSI_CSI VDD_MEM_PLL1 VDD_RF

P2 M1 P1 M10 M9 P10 M8 L3 F1 C1 D4 G3 B3 D3 G2 G1 E3 A3 A1 K3 K1 A5 B5 C5 E5 A8 B8 C8 F7 M4 N4 P4 J8 M7 N7 P7 K8

600mA 1200mA 1200mA 300mA 300mA 300mA 150mA 600mA 600mA 150mA 600mA 150mA 50mA 50mA 50mA 50mA 600mA 150mA

N13 USB_IN P13 USB_IN C2 AVDD_BYP P14
VPRE_BYP

U409

BOOST_GND

K2 XO_THERM F11 PA_THERM M11 BAT_THERM G9
BAT_ID

L12 J11 D13 D14 B14 C14 K13 K11 J10 K14 F13 G13 F12 G11 G12 F14 E12 E13 F8 E8 E11 E10 F9 J14

GND_BOOST GND_BOOST GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND_DRV GND_REF GND_S1 GND_S1 GND_S1 GND_S2 GND_S2 GND_S2 GND_S3 GND_S3 GND_S4 GND_S4 GND_XO GND_RF GND_XOADC GND_XO_ISO GND_CP GND_SPKR GND_CFILT GND_AUDIO_REF

MIC_BIAS1 MIC_BIAS2 CP_VNEG CP_VNEG CP_C1_P CP_C1_N MIC1_IN MIC2_IN MIC3_IN HS_DET EARO_P EARO_M HPH_L HPH_REF HPH_R SPKR_DRV_P SPKR_DRV_M SPKR_DRV_M PDM_CLK PDM_SYNC PDM_TX PDM_RX0 PDM_RX2 HPH_VNEG

VSW_S1 VSW_S1 VSW_S1 VREG_S1 VSW_S2 VDD_APC VSW_S2 VSW_S2 VREG_S2 VDD_GR1,2_WCN_WLAN_A1 VSW_S3 VSW_S3 VSW_S3 VREG_S3 VDD_GR3,6,7_CODECHPH VSW_S4 VSW_S4 VSW_S4 VREG_S4 VSW_BOOST VSW_BOOST VREG_BOOST VREG_BOOST
VDD_CORE

2500mA

VREG_S1_1P15 VREG_S2_1P15
L400

3000mA

VREG_S1_VSENSE
L401

VREG_S2_VSENSE

B11 L10 K10 H5 D5 G5 C3 A10

CBL_PWR_N KPD_PWR_N OPT_2 OPT_1 PS_HOLD RESIN_N

TP403 TP404

TP405

JIG_ON_N PHONE_ON_N OPT2 OPT1 MSM_PS_HOLD VOLUME_DOWN PMIC_SPMI_CLK PMIC_SPMI_DATA MSM_RESIN_N VDD_MOT_3P0
GND_REF

REMOTE

SPMI_CLK B10 SPMI_DATA F5 PON_RST_N REF_BYP M13 CHG_LED_SINK M14 VIB_DRV_N F10 PDM_RX1

C449

C448

C450

D1

C456

PDM_RX1

S1_PGND

A14 B13 D6 D7 D10 D11 E7 E9 G4 G7 G8 G10 H7 H8 H10 H11 H12 J6 K5 K9 L13 D2 A4 B4 C4 A9 B9 C9 N3 P3 N8 P8 J2 J3 N10 H3 C13 E14 J13 J12

1 MARK 2

8-6

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S2_PGND

MARK

C451

Level 3 Repair

8-3-2. Initial (Lock up)
Initial Failure (Lock up when booting)

No Re-download SW the phone.

If Phone do not go download mode, boot code area of eMCP is damaged. It need to change the UME500(eMCP)

Download success

Check the AP Reset
PM8916's PON_RST_N(TP300) =1.8V(High)

No
Change the UCP300 / change the PBA

Yes

Check the oscillator clock waveforms.

19.2MHz : OSC400. OSC400 is operating when phone is not in sleep mode

Abnormal

Check the OSC400. (Crack, open etc.) Check the output clock waveforms and frequency. Test condition (Oscilloscope setting) : 20.0us.div (time division)

Normal Change UCP300, U409 Abnormal Change PBA

END

8-7

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Level 3 Repair

19.2M_OUT
LPDDR3_CA(0) LPDDR3_CA(1) LPDDR3_CA(2) LPDDR3_CA(3) LPDDR3_CA(4) LPDDR3_CA(5) LPDDR3_CA(6) LPDDR3_CA(7) LPDDR3_CA(8) LPDDR3_CA(9)

19.2M_IN
E10 E8 C6 D9 E6 B13 C12 D13 B11 E14 F11 EBI0_CA_0 EBI0_CA_1 EBI0_CA_2 EBI0_CA_3 EBI0_CA_4 EBI0_CA_5 EBI0_CA_6 EBI0_CA_7 EBI0_CA_8 EBI0_CA_9 EBI0_CAL_REXT

3
VREG_L5_1P8

2 1
AF33 VDD_P7 AT11 VDD_P3 BBRX_IM_CH0 BBRX_IM_CH1 BBRX_IM_CH2 BBRX_IP_CH0 BBRX_IP_CH1 BBRX_IP_CH2 BD21 AY19 BC16 BB21 BA20 BB15

OSC400

4

WTR_PRXBBI_M WTR_PRXBBI_P

C438

WTR_PRXBBQ_M
BBRX_QM_CH0 BBRX_QM_CH1 BBRX_QM_CH2 BBRX_QP_CH0 BBRX_QP_CH1 BBRX_QP_CH2

BE20 BA18 BE14 BC20 BB17 BD15

WTR_PRXBBQ_P

R404

VREG_L6_1P8

C439

AL34 CXO A36 CXO_EN

BBCLK1_MSM BBCLK1_MSM_EN
AU32 C301 MODE_0 AT31 MODE_1 C302

XO_THERM

GND_XOADC

AK37 PMIC_SPMI_CLK AJ36 PMIC_SPMI_DATA E36 PS_HOLD F35 RESIN_N AV1 RESOUT_N G36 K1 M1 M3 J2 L2 K3 SLEEP_CLK SRST_N TCK TDI TDO TMS TRST_N

TP300

PMIC_SPMI_CLK PMIC_SPMI_DATA MSM_PS_HOLD MSM_RESIN_N MSM_RESOUT_N SLEEP_CLK JTAG_RESOUT_N JTAG_TCK JTAG_TDI JTAG_TDO JTAG_TMS JTAG_TRST_N WTR_TXBBI_M WTR_TXBBI_P WTR_TXBBQ_M WTR_TXBBQ_P

8-8
MPM_INTERRUPT MPM_INTERRUPT

TX_DAC0_IM TX_DAC0_IP TX_DAC0_QM TX_DAC0_QP TX_DAC1_IM TX_DAC1_IP TX_DAC1_QM TX_DAC1_QP TX_DAC0_IREF TX_DAC0_VREF TX_DAC1_IREF TX_DAC1_VREF

BA26 AY27 BE26 BD25 BE24 BC24 AY23 BB23 AU26 AR26 AT23 AU22

WTR_IREF VREF_DAC

USB_HS_D_M USB_HS_D_P
R300

AC40 USB_HS_DM AB39 USB_HS_DP AA40 USB_HS_ID AD35 USB_HS_SYSCLOCK AC38 USB_HS_REXT AH5 VDD_MIPI_DSI_PLL AR14 WLAN_BB_IM AP15 WLAN_BB_IP AP13 WLAN_BB_QM AR12 WLAN_BB_QP AU14 WLAN_REXT BE12 GNSS_BB_IP BD11 GNSS_BB_IM BB13 GNSS_BB_QM BC14 GNSS_BB_QP 1 MARK 2 MARK

BBCLK1_MSM
VREG_L6_1P8

WLAN_BBI_M WLAN_BBI_P WLAN_BBQ_M WLAN_BBQ_P WTR_GNSSBBI_P WTR_GNSSBBI_M WTR_GNSSBBQ_M WTR_GNSSBBQ_P
R303

C300

MPM_INTERRUPT

GPIO_0 GPIO_1 GPIO_2 GPIO_3 GPIO_4 GPIO_5 GPIO_6 GPIO_7 GPIO_8 GPIO_9 GPIO_10 BA38 BB39 AV35 AY37 AT9 AY1 AY3 AV3 H5 G2 H1

Confidential and proprietary-the contents in this service guide subject to change without prior notice.
NFC_I2C_SDA NFC_I2C_SCL MUIC_I2C_SDA MUIC_I2C_SCL UART_TXD UART_RXD SENSOR_I2C_SDA SENSOR_I2C_SCL PROXY_LDO_EN MAIN_EEP_SDA

Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.

Level 3 Repair

8-3-3. Charging Part

TA / USB Insert

Yes No Charging Sequence Start VBUS_5V_IF= 5V(C475) Check the TA / USB connected or not

Yes

Check the VBUS_5V=5V(C476)

No

Resolder or Replace U420

Yes

Battery is Charging?

No

Resolder or Replace U421

Yes END

VBATT_CON

VDD_MUIC_IO_1P8

VUSB_FET_5V_CON

VUSB_FET_5V

R409

VDD_MUIC_IO_1P8

VREG_L5_1P8

VDD_MUIC_IO_1P8

C475 C472 C476 C477 R411

USB_HS_D_P USB_HS_D_M

B1 DP_HT C1 DM_HT D2 IDBP

D1 VBAT A5 VBUS_IN A4 VBUS_OUT A2 VDDIO

C2 SCL B2 SDA

MUIC_I2C_SCL MUIC_I2C_SDA USB_ID USB_DP USB_DM MUIC_INT CHG_DET

B3 AUDIO_L C4 AUDIO_R B4 MIC D4 GND C3 VBUS_DEC D3 GND UART_TXD UART_RXD

D5 ID_CON C5 DP_CON B5 DM_CON A1 INTB A3 CHG_DET E4 JIG E3 BOOT

TP412 E2 TXD TP414 E1

TP413

JTAG_JIG_ON_N JIG_ON_N UART_BOOT_ON

RXD
GND 1 NC 2 NC

U420

E5

8-9

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Level 3 Repair

8-3-4. Microphone Part

Check microphone function in voice call speaker mode or in voice recording mode Yes

Check the voltage at L500 = 2.8V

No Resolder or replace L500

Yes

Check component soldering status of MIC500

No

Resolder or replace MIC500

Yes

END

VDD_MIC_BIAS1_1.8V

L500

MIC500 1 2GND 3GND 4OUT

POWER GND1 GND2

MIC_M

OUT

L521

MAIN_MIC_P

2

C559 ZD500

C514

C515

R505

1

Main MIC

8-10

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Level 3 Repair

8-3-5. Speaker Part

Check speaker function. Play MP3 with maximum volume level. Yes

Check the connection of HDC500 in main PCB

No Reconnect HDC500 in main PCB

Yes

Replace the speaker module

Yes

Check the signals on L505, L506 in main PCB

No

Replace U409

Yes

END

L505
SPK_OUT_P

L520 L506
SPK_OUT_N FM_ANT

C574
VDD_MIC_BIAS2_2.8V

C543

C544

C545
VOLT VOLT ZD506

2

L501 ZD504
VOLT C571
HPH_REF

ZD505

R577
L503

VREG_L5_1P8

C542 R574

1

EAR_MIC_3.5_M

C533

C573 R575 R526 R541 L509 EAR_ADC_3.5 EAR_DETECT_GND EAR_MIC_3.5_P R544 EAR_3.5_DET_L EAR_DETECT_MIC R530 L511 R527 L510 R528 R542
HDC500 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 NC NCNCNC 11 12 13 14

R550 L512 L513 R551 C547 C551 C552 C548
VOLT
EARSPK_R EARSPK_L

1

1

2

2

VOLT

ZD507 VOLT

1

VOLT

1

ZD508

ZD514

VOLT

ZD511

VOLT

ZD512

1

VOLT

C565

2

2

2

Speaker / Earjack Connector

2

1

8-11

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Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.

2

ZD515

C549

ZD513

1

R532

Level 3 Repair

8-3-6. Receiver Part

Check receiver function in voice call receiver mode. Yes

Check the connection of HDC501

No Reconnect HDC501

Yes

Check RCV Module and neck of FPCB connecting, could you see any damage on it?

No Replace the RCV module

Yes

Check the signals on L518, L519 in main PCB

No Resolder or replace U409

Yes END

VDD_PLS_3P0

VDD_SENSOR_2.85V VREG_L5_1P8 VDD_SENSOR_IO_1.8V

R525 HDC501

R537
2 4 6 8 10

PS_INT
RCV_P RCV_N

L518 L519

1 3 5 7 9

1 2 3 4 5 6 7 8 9 10 NC NCNCNC 11 12 13 14

SENSOR_I2C_SCL SENSOR_I2C_SDA

VOLT

C550 C555

C511

C560

C561

ZD509

Reciever / Proxy Sensor Connector

ZD510

VOLT

8-12

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Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.

Level 3 Repair

8-3-7.

WIFI / BT Part

BT / WIFI is not working

Yes No

Check BT / WiFI function ON

Enable BT / WIFI Function

Yes Check the Voltage on C203 = 1.8V ? No

Check the U207(crack, open, damaged, etc.)

Yes Check 19.2MHz Clock at C213 ? No

Check the UCP300(crack, open, etc.)

Yes

Check the Status of L220,L290,C273,C216,L219? CFASSSDDFSDFCCCC2014,C 2008C

No

Resolder or Replace L220,L290,C273,C216,L219

Yes

Check the Status of F202, ANT201?

No

Resolder or Replace F202, ANT201

Yes

Resolder or Replace U2002

Yes END

8-13

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Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.

Level 3 Repair

VDD_IO_1P8 VDD_WLAN_1P3

63

62

40

38

NC

NC

NC

NC

NC

NC

C203
29

31

15

18 VDD_DIG_1P2 BT_CTL 28 VDD_IO_1P8 BT_DATA 33 BT_SSBI

C205 L205

22

TP_BT_DATA

51 VDD_FM_VCO_1P3 56 VDD_FM_RXFE_1P3 57 VDD_FM_RXBB_1P3 FM_HS_RX 41 VDD_FM_PLL_1P3 7 VDD_BT_VCO_1P3 3 VDD_BT_RF_1P3 16 VDD_BT_PLL_1P3 23 TCXO_IN FM_SSBI 30 TP_FM_SSBI 52 FM_DATA 50 46 TP_FM_DATA

BT_CTL BT_DATA BT_SSBI
WCSS_FM_SDI FM_ANT WCSS_FM_SSBI C213

C207

C208

C209

RFCLK2_WLAN

U207

59 WL_BB_IN 54 WL_BB_IP WL_BB_QN WL_BB_QP 5 WL_BT_RFIO 47 53

VDD_WCN_3P0

VDD_BT_FM_DIG_1P3 4 13 VDD_BT_BB_1P3 37 VDD_WL_2GPA_1P3 11 VDD_WL_2GPA_3P0 9 VDD_BT_DA_3P0

WLAN_BBI_M WLAN_BBI_P WLAN_BBQ_M WLAN_BBQ_P

C214

49 WL_PDET_IN 61 VDD_WL_BB_1P3 WL_CMD_CLK 48 VDD_WL_LO_1P3 WL_CMD_DATA0 WL_CMD_DATA1 55 VDD_WL_UPC_1P3 WL_CMD_DATA2 6 VDD_XO_1P8 WL_CMD_SET 26 VDD_WL_PLL_1P3 VDD_WL_2GLNA_1P3

VDD_XO_1P8

60 36 58 43 24

TP_WCSS_WLAN_CLK

TP_WCSS_WLAN_DATA_0

WCSS_WLAN_CLK WCSS_WLAN_DATA_0 WCSS_WLAN_DATA_1 WCSS_WLAN_DATA_2 WCSS_WLAN_SET

F202
C296

ANT201

4

IN GND1

OUT GND2 3

2

C216

L220

1

1

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

45

39

42

25

21

19

27

12

20

17

35

44

34

32

14

10

C275

GND

GND

2 2 L219

8

2

1

C217

L210

1

C218

C219

C220

C221

C222

C223

C273

C290

C289

8-14

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Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.

Level 3 Repair

8-3-8. GPS Part

GPS is not working

Yes No

Check GPS function ON

Enable GPS Function

Yes

Check the Voltage on C173, L125,L127 = 1.8V? Yes

No

Check the UCP300-2(crack, open, damaged, etc.)

Check 26MHz Clock at UCP3000-1 ?

No

Check the UCP3000-1(crack, open, etc.)

Yes

Check the Status of C206, C274, L221, L222, C291, C240,

No

Resolder or Replace C206, C274, L221, L222, C291, C240

Yes No Resolder or Replace ANT200, U204, F203

Check the Status of ANT200, U204, F203

Yes

Resolder or Replace U107

Yes END

8-15

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Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.

Level 3 Repair

VREG_L18_2P7

VDD_FEM/GPS_2.75V

VDD_FEM/GPS_2.75V

L216

L200

GPS_LNA_EN

ANT200
1 1 C274

SO

VCTRL

VDD

AI

2 1

8 7

F203
9

C291

4

RFIN

RFO

1

IN

OUT

4 C292

C293

GPS_RF_IN

GND

GND

GND

GND

2 2

2 G 3 G 5 G

6 10

3 5
C206 L221 L222 C276

U204
C212

C294

C240
L218

GPS / GNSS
VDD_WTR_RF2_2.0V VDD_WTR_RF1_1.3V

VREG_L1_1P225 VDD_WTR_RF1_1.3V

C154 C155

L125

VREG_L7_1P8 VDD_WTR_IO_1.8V
C161 C164 C159 C198 C160 C163 C165 C166 C158 C162 C167 C168

L126

VDD_WTR_IO_1.8V

VREG_L4_2P05 VDD_WTR_RF2_2.0V
39 48 21 26 31 20 19 30 46 40 16 52 37 59 54

C173

VDD_RF1_T_PLL

VDD_RF1_G_PLL

VDD_RF2_R_PLL

VDD_RF1_R_VCO

VDD_RF2_T_PLL

VDD_RF2_R_BB

VDD_RF2_T_DA

VDD_RF1_LNA

VDD_RF2_T_VCO

VDD_RF1_G_LO

VDD_RF1_R_LO

VDD_RF1_T_LO

VDD_RF1_DIG

RX_B8_G900 RX_B5_G850 RX_B1 RX_B2 RX_DCS_PCS
WTR_PRXBBI_P WTR_PRXBBI_M WTR_PRXBBQ_P WTR_PRXBBQ_M

5 10

RX_LB1_IN RX_LB2_IN

VDD_RF2_XO

VDD_RF3_IO

TX1_OUT TX2_OUT

7 1 6

4 9 3

RX_MB1_IN RX_MB2_IN RX_MB3_IN

TX3_OUT

RF_TX_DA_1 RF_TX_DA_2 RF_TX_DA_3 WTR_TXBBI_P WTR_TXBBI_M WTR_TXBBQ_P WTR_TXBBQ_M
R112

TX_BB_IP TX_BB_IM

2 12 18 23

61 55 49 43 RX_BB_IP RX_BB_IM RX_BB_QP RX_BB_QM 11 62 51 45 41

TX_BB_QP TX_BB_QM

WTR_PDET_IN R111 R113

U107

22 PDET_RFFB_IN 8 56 TP_SSBI_RX TP_SSBI_TX_GPS

GPS_RF_IN WTR_GNSSBBI_P WTR_GNSSBBI_M WTR_GNSSBBQ_P WTR_GNSSBBQ_M WTR_GPDATA0 WTR_GPDATA1

GNSS_RF_IN GNSS_BB_IP GNSS_BB_IM GNSS_BB_QP GNSS_BB_QM

SSBI_RX SSBI_TX_GNSS

WTR_SSBI2 WTR_SSBI1
C179

RF_ON XO_IN DAC_REF

13 60 24

RFCLK1_19.2M WTR_IREF
C190

53 58 57 GP_DATA0 GP_DATA1 GP_DATA2

63 NC NC 64

R117

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

36

28

29

25

38

GND 47

35

14

15

17

27

42

C20 6

L222 C27 4 L221

ANT200

L216

L200

U204

C21 2

6 C27

32

33

34

44

50

GND

GND

GND

DNC

8-16

Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.

Level 3 Repair

8-3-9. LCD

LCD is still off after PWR ON

Yes Check the connection of HDC600 Yes No

Reconnect the HDC600

Check the C636 and High(20V) fssd

No Check the Backlight Driver IC(U615)

Yes

Check the Voltage on C603?(3V)

No Replace the U601

Yes

Check the Voltage on C604 = 1.8V?

No Resolder or Replace the U409

Yes

Replace LCD Module Yes

END

8-17

Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.

Level 3 Repair

V_TSP_1.8V VDD_LCD_3.0V

VREG_1P8_LCD VDD_TSP_A3.0V V_TSP_1.8V

R621

HDC600
R603

LED_K2
R620

LED_K1
L600

R622

TSP_ID LCD_FLM
MIPI_DSI0_LANE0_M_F MIPI_DSI0_LANE0_P_F MIPI_DSI0_CLK_M_F MIPI_DSI0_CLK_P_F MIPI_DSI0_LANE1_M_F MIPI_DSI0_LANE1_P_F

TP600

2 2 4 4 6 6 8 8 10 10 12 12 14 14 16 16 18 18 20 22 24 26 28 30 32 34

TP601

C604 C603 C635

L601

C600
D600

5

GND

TP_ERR

1 3 5 7 9 11 13 15 17 19 20 22 21 24 23 26 25 28 27 30 29 32 31 33 34 NC NC NC NC 38 37 36 35

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33

TS_S_RDY
TSP_I2C_SDA TSP_I2C_SCL
10 S2 S1 VOUT

LED_A_20V
C636

VBATT_CON

MIPI_DSI0_RESET_N

NC

LCD_CABC VGH LED_A_20V
LCD_BLIC_ON

11

12

9

VPH_PWR

NC

NC 13

8

VDD_LCD_3.0V
L603

GND CTRL

VIN 14

7

U615
PWM LX LX
NC

PGND 15 PGND 16

LED_K1
U658

5
NC

6

C637

NC

NC

LED_K2

GND 17
19 18

4 LCD_LDO_EN 3

VIN U601 EN

VOUT 1 2 GND

4

3

2

1

R627
LCD_PWM_BL

R605

C607

C608

R628
LCD_CABC

R629

LCD Connector(5")

10 LED LCD DCDC

LCD LDO(150mA)

8-18

Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.

Level 3 Repair

8-3-10. TSP

Touch Screen does not work

Yes

Check TSP Connector on Main PBA

No Reconnect the HDC600

Yes

Check the Voltage on C6033, C635 = 3V ?

No Resolder or Replace U6001

Yes

Check the I2C signal R 308, R309

No

Resolder or Replace R308, R309

Yes Replace LCD Module

Yes END

V_TSP_1.8V VDD_LCD_3.0V

VREG_1P8_LCD VDD_TSP_A3.0V V_TSP_1.8V

R621

HDC600
R603

R622

TSP_ID LCD_FLM
MIPI_DSI0_LANE0_M_F MIPI_DSI0_LANE0_P_F MIPI_DSI0_CLK_M_F MIPI_DSI0_CLK_P_F MIPI_DSI0_LANE1_M_F MIPI_DSI0_LANE1_P_F

TP600

2 2 4 4 6 6 8 8 10 10 12 12 14 14 16 16 18 18 20 22 24 26 28 30 32 34 C604

TP601

TP_ERR

1 3 5 7 9 11 13 15 17 20 19 22 21 24 23 26 25 28 27 30 29 32 31 34 33 NC NC NC NC 38 37 36 35

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33

R620

TS_S_RDY
TSP_I2C_SDA TSP_I2C_SCL

LCD_CABC
MIPI_DSI0_RESET_N

VGH LED_A_20V LED_K1 LED_K2

V_TSP_1.8V

C603

C635

C600

R308

LCD Connector(5")

TSP_I2C_SDA TSP_I2C_SCL

8-19

Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.

R309

Level 3 Repair

8-3-11. 8M CAM (Main)
"Camera" function does not work

Yes

Check the Camera connector on Main PBA
Yes

No

Reconnect the HDC602

Check the voltage C632 = 1.8V? C631 = 2.8V?

No Resolder or Replace C631 = U409 C632 = U421

Yes

Check the voltage C633 = 1.25V ?

No

Resolder U421 Replace the PBA

Yes

Check the I2C line R313, R314 = HIGH

No

Resolder R313, R314 Replace the PBA

Yes

Replace the camera module

Yes

END

8-20

Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.

Level 3 Repair

VREG_L16_1P8

CAM_SENSOR_IO_1P8

VREG_L10_2P8

VREG_CAM_AF_2P8

CAM_SENSOR_IO_1P8

CAM_SENSOR_A2P8

CAM_CORE_1P2

R623

R624

R637

VREG_CAM_AF_2P8 HDC602 1 3 5 7 9 11 2 1 3 4 5 6 7 8 9 10 11 12 13 14 16 15 17 18 19 20 21 22 23 24 25 26 27 28 30 29 31 32 33 34 NC NC NCNC 35 36 37 38 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34

CAM_SENSOR_IO_1P8

MIPI_CSI0_LANE3_P MIPI_CSI0_LANE3_M MIPI_CSI0_LANE2_P MIPI_CSI0_LANE2_M MIPI_CSI0_CLK_P MIPI_CSI0_CLK_M MIPI_CSI0_LANE1_P MIPI_CSI0_LANE1_M MIPI_CSI0_LANE0_P MIPI_CSI0_LANE0_M CAM_I2C_SDA
TP603 TP602

R625

MAIN_CAM_MCLK

13 15 17 19 21 23 25 27 29 31 33

CAM_AF_I2C_SDA CAM_AF_I2C_SCL

C601

TP605

CAM1_RST_N MAIN_EEP_SDA MAIN_EEP_SCL CAM_I2C_SCL

C630

C631

C632

C633

8M_CAM Connector (MIPI)

8-21

Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.

Level 3 Repair

8-3-12. 5M CAM (Sub)
"Camera" function does not work

Yes

Check the Camera connector on Main PBA
Yes

No

Reconnect the HDC601

Check the voltage C632 = 1.8V? C631 = 2.8V?

No Resolder or Replace C631 = U409 C632 = U421

Yes

Check the voltage C633 = 1.25V ?

No

Resolder U421 Replace the PBA

Yes

Check the I2C line R313, R314 = HIGH ?

No

Resolder R313, R314 Replace the PBA

Yes

Replace the camera module

Yes

END

8-22

Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.

Level 3 Repair

VREG_L16_1P8

CAM_SENSOR_IO_1P8

VREG_L10_2P8

VREG_CAM_AF_2P8

CAM_SENSOR_IO_1P8

CAM_SENSOR_A2P8

CAM_CORE_1P2

R623

R624

R637
CAM_SENSOR_IO_1P8

VREG_CAM_AF_2P8 HDC602 1 3 5 7 9 11 2 1 4 3 5 6 7 8 9 10 11 12 13 14 16 15 17 18 19 20 21 22 23 24 25 26 27 28 30 29 31 32 33 34 NC NC NCNC 35 36 37 38 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34

MIPI_CSI0_LANE3_P MIPI_CSI0_LANE3_M MIPI_CSI0_LANE2_P MIPI_CSI0_LANE2_M MIPI_CSI0_CLK_P MIPI_CSI0_CLK_M MIPI_CSI0_LANE1_P MIPI_CSI0_LANE1_M MIPI_CSI0_LANE0_P MIPI_CSI0_LANE0_M CAM_I2C_SDA
TP603 TP602

R625

MAIN_CAM_MCLK

13 15 17 19 21 23 25 27 29 31 33

CAM_AF_I2C_SDA CAM_AF_I2C_SCL

C601

TP605

CAM1_RST_N MAIN_EEP_SDA MAIN_EEP_SCL CAM_I2C_SCL

C630

C631

C632

C633

8M_CAM Connector (MIPI)

8-23

Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.

Level 3 Repair

8-3-13. GSM 850,900,1800,1900 / WCDMA BAND 1,2,5,8 (RX)
NORMAL CONDITION catch the channel? No

Trouble occurs only in GSM QUAD / W QUAD ?

NO

Try 8-3-3 Repair procedure

Yes

Check R100, C181, C182, C185, C193, L108, C194, L110, C119, L144, L130, L112~L115, L132, C127, L116, L116, L109, C100, L134, L100, L135, L127, C199, C196, C197, L137, C111, L136, L101, L103, L104, L106, C144, C145, L140, L142, L122, C188, C189, L129, L117~L121 soldering condition for any damage (crack, open, etc)

CHECK soldered components Yes
R100, C181, C182, C185, C193, L108, C194, L110, C119, L144, L130, L112~L115, L132, C127, L116, L116, L109, C100, L134, L100, L135, L127, C199, C196, C197, L137, C111, L136, L101, L103, L104, L106, C144, C145, L140, L142, L122, C188, C189, L129, L117~L121

No

Check PAM100, F100~F105 for any damage (crack, open, etc)

Yes

Resolder or change PAM100, F100~F105

No

Check U107 for any damage (crack, open, etc)

Yes

Resolder or change U107

No Change the board

END

8-24

Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.

Level 3 Repair

VBATT_CON

VBATT_CON C109 C113 C110

RFS100 ANT102 1 2 1 2

C181

C185

L108

2 ANT

COMMON 1

C119

G

4

50V

R100

C182

C193

C194 L110 L144

3

G

L130

C123

C126

ANT101 1 1 2 2
F103

RF_TX_DA_1
32 15 4 5

VBATT

VCC VCC

ANT

RX_DCS_PCS

L109

L132

1 OUT

IN1 6 IN2 9
L112 L113

36

RF_IN RX1 [ PCS ] RX2 [ DCS ]

18 20

TRX1 TRX2 TRX3 TRX4

24 26 28 30

WCDMA_B2 WCDMA_B5 WCDMA_B1 WCDMA_B8
ANT_SW_SEL4 ANT_SW_SEL3
NC NC

G G G G G G G

L111

C127

PAM100
L114 L115

10 8 75 4 3 2
L116

ANT_SW_SEL0

35

LB_EN HB_EN

40 39

SPDT

19 21

ANT_SW_SEL2 ANT_SW_SEL1

38 37

SW0 SW1

MODE0 MODE1

41 42

34

10

11

12

14

16

17

22

23

25

27

29

31

33

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

13

58

1

2

3

6

7

8

9

GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND

PA_R0 PA_R1

C137
C139 C135 C136

C132

C138

C133

VBAT_DCDC C100 L134

WCDMA_B1
L100 VBATT_CON C102

ANT

6

C103 L133

F100

VDD_WTR_RF2_2.0V VDD_WTR_RF1_1.3V
RX 1

3

L135

L127

TX

RX_B1
C199

G1

G2

G3

G5

G6

C105 C106 C107

C154 C155

2

CPL_PDET_LOOP
L125
C111
14

5 7 8

4

G1

16

15

L136

1

CPL_IN

GND

GND

WCDMA_B8
RFOUT_HB

VBATT

C161

C165

C158

C159

C162

C163

C198

PA_ON_B1 PA_ON_B8 PA_R0

3

VENHB

PAM101

VCC

12

F102
6 ANT L137 3 TX
G G G

4

VENLB

GND

11

5

VMODE

RFOUT_LB

10

RX G
G

1
L103

L104

RX_B8_G900
C173

CPL_OUT

6

9 GND

GND

GND

2 4 5

7

C192

C120

8

C121

C122

C196

C197

7

8

L106
30 46 31 52 48 40 20 26 19 21 39 16 37 54 59

VDD_RF1_T_PLL

VDD_RF2_R_PLL

VDD_RF2_T_PLL

VDD_RF1_R_VCO

VDD_RF2_T_VCO

VDD_RF1_G_PLL

VDD_RF1_LNA

VDD_RF2_R_BB

VDD_RF1_G_LO

VDD_RF1_R_LO

VDD_RF1_DIG

VDD_RF1_T_LO

WTR_PDET_IN

RX_B8_G900 RX_B5_G850 RX_B1 RX_B2 RX_DCS_PCS
WTR_PRXBBI_P WTR_PRXBBI_M WTR_PRXBBQ_P WTR_PRXBBQ_M
C128 C134 L140

5 10

RX_LB1_IN RX_LB2_IN

VDD_RF2_T_DA

VDD_RF2_XO

VDD_RF3_IO

C166

C167

C160

C168

RFIN

GND

C164

RF_TX_DA_2

2

13

L101

L126

VDD_WTR_IO_1.8V

TX1_OUT TX2_OUT

7 1 6

4 9 3

RX_MB1_IN RX_MB2_IN RX_MB3_IN

TX3_OUT

RF_TX_DA_1 RF_TX_DA_2 RF_TX_DA_3 WTR_TXBBI_P WTR_TXBBI_M WTR_TXBBQ_P WTR_TXBBQ_M
R112

TX_BB_IP TX_BB_IM

2 12 18 23

61 55 49 43 RX_BB_IP RX_BB_IM RX_BB_QP RX_BB_QM 11 62 GNSS_BB_IP 51 45 41 GNSS_BB_IM GNSS_BB_QP GNSS_BB_QM 53 58 57 GP_DATA0 GP_DATA1 GP_DATA2

TX_BB_QP TX_BB_QM

WTR_PDET_IN R111 R113

U107

22 PDET_RFFB_IN 8 56 SSBI_TX_GNSS 13 60 24 TP_SSBI_RX TP_SSBI_TX_GPS

WCDMA_B2
L122

VBATT_CON L139

GPS_RF_IN WTR_GNSSBBI_P WTR_GNSSBBI_M WTR_GNSSBBQ_P WTR_GNSSBBQ_M WTR_GPDATA0 WTR_GPDATA1

GNSS_RF_IN

SSBI_RX

WTR_SSBI2 WTR_SSBI1
C179

RF_ON XO_IN DAC_REF

RFCLK1_19.2M WTR_IREF
C190

63 NC NC 64

6 C140 L138 3 TX ANT

F105
1

R117

C188

L129
GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND 47 GND 50 DNC 36

RX
2 G1 4 G2 5 G3 7 G5 8 G6

RX_B2
C189

R106
C143 C142

L142

28

25

29

35

14

15

27

32

33

G1

16

1

CPL_IN

GND

GND

15

VBATT

RFOUT_HB

14

RF_TX_DA_3 PA_ON_B2 PA_ON_B5 PA_R0

2

RFIN

GND

13

C144

C145

WCDMA_B5

3

VENHB

PAM102

VCC

12

L117
11

4

VENLB

GND

5

VMODE

RFOUT_LB

10

CPL_OUT

6

9 GND

GND

GND

6 ANT
L141

F104

C191

C146

7

C147

C148

3 TX
G G G

RX G G

1
L118

L119

RX_B5_G850

8

C141

L143

2 4 5 7 8
L121

CPL_PDET_LOOP

8-25

Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.

17

34

38

42

44

Level 3 Repair

8-3-14. GSM 850,900,1800,1900 / WCDMA BAND 1,2,5,8 (TX)
NORMAL CONDITION catch the channel? No Trouble occurs only in GSM QUAD / WCDMA QUAD band? Yes

NO

Try 8-3-3 Repair procedure

Check R100, C181, C182, C185, C193, L108, C194, L110, C119, L144, L130, C106, C107, C100, L100, L134 L133, C196, C197, C111, L136, L101, C141~C145, L138~L142, L122, C188, C189, L117 soldering condition for any damage (crack, open, etc)

CHECK soldered components Yes
R100, C181, C182, C185, C193, L108, C194, L110, C119, L144, L130, C106, C107, C100, L100, L134 L133, C196, C197, C111, L136, L101, C141~C145, L138~L142, L122, C188, C189, L117

No

Check PAM100, PAM101, PAM102, F100, F102, F104, F105 for any damage (crack, open, etc)

Yes

Resolder or change PAM100, PAM101, PAM102, F100, F102, F104, F105

No

Check U107 for any damage (crack, open, etc)

Yes

Resolder or change U107

No Change the board

END

8-26

Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.

Level 3 Repair

VBATT_CON

VBATT_CON C109 C113 C110

RFS100 ANT102 1 2 1 2

C181

C185

L108

2 ANT
G

COMMON 1

C119

4

50V

R100

C182

C193

C194 L110 L144

3

G

L130

C123

C126

ANT101 1 1 2 2
F103

RF_TX_DA_1
32 15 4 5

VBATT

VCC VCC

ANT

RX_DCS_PCS

L109

L132

1 OUT

IN1 6 IN2 9
L112 L113

36

RF_IN RX1 [ PCS ] RX2 [ DCS ]

18 20

TRX1 TRX2 TRX3 TRX4

24 26 28 30

WCDMA_B2 WCDMA_B5 WCDMA_B1 WCDMA_B8
ANT_SW_SEL4 ANT_SW_SEL3
NC NC

G G G G G G G

L111

C127

PAM100

10 8 75 4 3 2
L116

L114

L115

ANT_SW_SEL0

35

LB_EN HB_EN

40 39

SPDT

19 21

ANT_SW_SEL2 ANT_SW_SEL1

38 37

SW0 SW1

MODE0 MODE1

41 42

PA_R0 PA_R1

13

10

11

12

14

16

17

22

23

25

27

29

31

33

34

43

44

45

46

47

48

50

51

52

53

54

55

56

57

49

58

1

2

3

6

7

8

9

GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND GND

C137
C139 C135 C136

C132

C138

C133

VBAT_DCDC C100 L134

WCDMA_B1
L100 VBATT_CON C102

ANT

6

C103 L133

F100 L135 L127

3

TX

RX

1

RX_B1
C199

G1

G2

G3

C105 C106 C107

CPL_PDET_LOOP
C111
14

5 7 8

2

4

G5

G6

G1

16

15

L136

1

VBATT

CPL_IN

GND

GND

WCDMA_B8
RFOUT_HB

RF_TX_DA_2 PA_ON_B1 PA_ON_B8 PA_R0

2

RFIN

GND

13

L101

3

VENHB

PAM101

VCC

12

F102
6 ANT L137 3 TX
G G G

4

VENLB

GND

11

5

VMODE
CPL_OUT

RFOUT_LB

10

RX G
G

1
L103

L104

RX_B8_G900
VDD_WTR_RF2_2.0V VDD_WTR_RF1_1.3V

6

9 GND

GND
GND

2 4 5

7

C192

C120

8

C121

C122

C196

C197

7

8

L106
C154 C155

WTR_PDET_IN
L125 L126

C164

C161

C159

C160

C163

C166

C167

C162

C158

C168

C198

C165

VDD_WTR_IO_1.8V

C173

30

16

52

21

20

46

40

37

31

19

48

VDD_RF1_T_LO

VDD_RF1_T_PLL

VDD_RF2_T_PLL

VDD_RF1_G_LO

VDD_RF1_R_LO

VDD_RF2_T_DA

VDD_RF1_G_PLL

VDD_RF2_R_PLL

VDD_RF2_R_BB

VDD_RF1_LNA

VDD_RF2_XO

VBATT_CON L139

L122

RX_B8_G900 RX_B5_G850 RX_B1 RX_B2 RX_DCS_PCS

5 RX_LB1_IN 10 RX_LB2_IN 4 RX_MB1_IN 9 RX_MB2_IN 3 RX_MB3_IN

VDD_RF1_R_VCO

VDD_RF1_DIG

VDD_RF3_IO

WCDMA_B2

VDD_RF2_T_VCO

C128

C134

L140

39

59

26

54

7 TX1_OUT TX2_OUT TX3_OUT 2 12 TX_BB_IM 1 6

RF_TX_DA_1 RF_TX_DA_2 RF_TX_DA_3 WTR_TXBBI_P WTR_TXBBI_M WTR_TXBBQ_P WTR_TXBBQ_M
R112

TX_BB_IP

6 C140 L138 3 ANT TX

F105
1

C188

L129

RX
2 G1 4 G2 5 G3 7 G5 8 G6

RX_B2
C189

WTR_PRXBBI_P WTR_PRXBBI_M WTR_PRXBBQ_P WTR_PRXBBQ_M

61 55 49 43 RX_BB_IP RX_BB_IM RX_BB_QP RX_BB_QM 11 GNSS_RF_IN 62 GNSS_BB_IP 51 45 41 GNSS_BB_QP GNSS_BB_QM 53 GP_DATA0 58 57 GP_DATA1 GP_DATA2 NC NC RF_ON XO_IN DAC_REF GNSS_BB_IM SSBI_TX_GNSS TX_BB_QP TX_BB_QM

18 23

WTR_PDET_IN R111 R113

U107

22 PDET_RFFB_IN 8 SSBI_RX 56 TP_SSBI_TX_GPS TP_SSBI_RX

R106
C143 C142

L142

GPS_RF_IN WTR_GNSSBBI_P WTR_GNSSBBI_M WTR_GNSSBBQ_P WTR_GNSSBBQ_M WTR_GPDATA0 WTR_GPDATA1

WTR_SSBI2 WTR_SSBI1
C179

13 60 24

RFCLK1_19.2M WTR_IREF
C190

G1

16

15

63 64

CPL_IN

GND

GND

R117

1

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND 47 50

GND

GND

RF_TX_DA_3 PA_ON_B2 PA_ON_B5 PA_R0

2

32

33

15

17

34

35

14

25

27

38

28

3

VENHB

PAM102

VCC

12

L117
11

4

VENLB

GND

5

VMODE
CPL_OUT

RFOUT_LB

10

6

9 GND

GND
GND

6 ANT
L141

F104

C191

C146

7

C147

C148

3

TX
G G G

RX G G

1
L118

L119

RX_B5_G850

8

C141

L143

2 4 5 7 8
L121

CPL_PDET_LOOP

8-27

Confidential and proprietary-the contents in this service guide subject to change without prior notice.
Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.

36

29

42

44

RFIN

GND

13

C144

C145

WCDMA_B5

DNC

GND

GND

VBATT

RFOUT_HB

14