GALAXY TAB SM-T211 DIAGRAM.pdf

Level 3 Repair

8-3. Flow Chart of Troubleshooting Equipments

 Oscilloscope

 Digital Multimeter

 Power Supply



 8960 & Spectrum Analyzer

+ driver, ESD Safe Tweeze Tweezer r

 Soldering iron

8-3

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. prohibited.

Level 3 Repair

8-3-1. Power On

Cell-phone can`t power on.

Check the Battery Voltage. Is it more than 3.4V? 3.4V?

No

Charging the battery by TA.

Yes Check the key-FPCB (open, etc)

Abnormal

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

Yes

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

Yes

Change the FRONT ASSY

No

Check the U701 output voltage (C523 > 1.8V, 1.8V, C524 > 1.8V, 1.8 V, C525 > C525 > 1.2V) 1.2 V)

No

Yes

If the output voltage is not satisfied with normal condition, Change the PM500

Change the OSC500 If OSC700 does not still work, Change the PM500

Check the Clock OSC500(C705)

No

This problem is internal oscillator of PM500

Is that frequency 32KHz? ※ Test

condition (Oscilloscope setting)

: 20.0us.div (time division) Yes

Check the PM500 output signal (AP_PS_HOLD(TP) > 1.8V)

If the output voltage is not satisfied with normal. No

condition, Change the PM500. ※ Each

voltage level has ±10% margin.

Yes check the initial operation Yes END

8-4

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. prohibited.

Level 3 Repair

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

If Phone do not go download mode, boot code area

No

of Movinand MCP is damaged.

Re-download SW the phone.

It need to change the UME300(Movinand MCP)

Download success

No

Check the AP Reset RESET_INn

RESET_INn

Check the OSC500. (Crack, open etc.) Check the output clock waveforms and frequency.

Yes

※ Test

condition ( Oscilloscope setting) : 20.0us.div (time division) @ 32.768Khz

Check the oscillator clock waveforms.

Abnormal

32.768KHz : OSC500(C462) OSC500 is operating when phone is not in sleep mode

Normal

Change UCP300, PM500 Abnormal

Change PBA

END

8-6

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

8-3-3. Charging Part

TA / USB Insert

Yes No

Charging Sequence Start Vin = 5V

Check CURRENT_TEST = 5V, or may not connected TA / USB

Yes No

Battery is Charging?

Resolder or Replace U506

Yes END

8-8


Level 3 Repair

8-3-4. Microphone Part

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

Check Power&Volume key FPCB where MIC is placed for any damage (Tear in FPCB, etc)

No Replace the Power&Volume key FPCB

Yes

Check the voltage at C422 = 1.65V

No Resolder or replace C422

Yes

Check component soldering status of C418, L401

No

Resolder or replace C418, L401

Yes

END

8-10


Level 3 Repair

MIC_BIAS_1.65V

L400

GND 6 GND 5 PWR 4 GND2 3 GND1 2 OUT 1

R424 C415

MAIN_MIC_N

L401 C416

MAIN_MIC_P

MIC400

C422

V416

R435

C418

C419

V

2 5 R

567 52

R419

R420

C

2 5 C

1 5 R

R514 14 R536 6

52

C57

2 E L O H H T B

7 VAR5 424

435 urrent_test rr r e t st

9 1 4 C

1 0 4 L

6 1 4 V

1 4 C

BOTHHOLE1 1

9

8-11


Level 3 Repair

8-3-5. Speaker Part

Check speaker function. Play MP3 with maximum volume level. Yes Reconnect Check the connection of SPK402/SPK403 (Left) or SPK400/SPK401 (Right) in main PCB

No

SPK402/SPK403 (Left) or SPK400/SPK401 (Right) on main PCB,

Yes

Replace the speaker module

Yes

Check the signals on L412, L405(Left) or C432, C435(R) on main PCB,

No

Replace PM500

Yes

END

8-12


Level 3 Repair

L_SPK402

L412

SPK_LOUT_P

1 2

L_SPK_403

1

1

2

2

L408

1

2 3 4 C

3 3 4 C 2 1 4 V

3 1 4 V

SPK400 1 2

L405

1 2

2

SPK_ROUT_P SPK_ROUT_N

L406

4 1 4 V

SPK401 1

SPK_LOUT_N

2

6 3 4 C

5 3 4 C

5 1 4 V

1 2

B

HH LE 0 0

2 5 R

52

524

5 1 4 V

5 3 4 C

4 1 4 V

3 4 C

L40 40

2 5 C

1 5 R

R514 14 R536

R52

2 0 L O H H T O B

57 VAR5 0 R424

435 urre urrent_test r re ren en te et

9 1 4 C

1 4 L

6 1

1

8-13


Level 3 Repair

8-3-6. BT Part

BT is not working

Yes

Check BT function ON

No

Enable BT Function

Yes Check the Voltage on C210, C211, C203, C204= 1.8V

No

Check the PM500(crack, open, damaged, etc.)

Yes Check 37.4 MHz Clock at C230, C285

No

Check the OSC201(crack, open, etc.)

Yes Check the Voltage on C264, C265, C268

No

Check the U208(crack, open, damaged, etc.)

Yes

Check the Status of C258, C242, C280, F203, F200

No

Resolder or replace C258, C242, C280, F203, F200

No

Resolder or Replace L204, C240, C241, ANT200

Yes

Check the Status of L204, C240, C241, ANT200

Yes


Yes END

8-14


Level 3 Repair

VDD_WIFI_1.8V

VREG_1.8V V_GPS_1.8V

VDD_WIFI_1.8V V_CAM_IO_1.8V

L200

VDD_DIG_1.8V

VDD_WIFI_1.8V VREG_LVS5_LVDS_1P8

L201

V_ANALOG_3.0V

V_VCTCXO_2.8V

C204

V_SD_3.0V

V_MOTOR_3.3V

EAR_MIC_BIAS_2.6V

V_SIM1_3.0V

VLED_IC_1.9V

V_2M_A2.8V

V_PROXY_2.8V

V_MMC_3.0V

C501

VREG_L18_LVDS_1P2

2 . 2n H

C206

C203

V_WIFI_3.3V

C500

C202 L 2 02

VDD_WIFI_1.8V

V_USB_3.1V

V_SYS

V_WIFI_3.3V

C207

C205

VREG_L16_LVDS_3P3

C584

C514

C502

C503

C504

C505

C506

C507

C508

C509

C510

C511

C512

C513

3 0 2 L

VCORE_MAIN_1.2V 2M_CAM_CORE_1.8V

C209

V_SYS

VREG_1.8V

VREG_1.2V

VREG_1.2V

C211

C212

C213

2 2 3 9 0 3 4 0 3 1 2 6 2 3 4 6 3 0 1 8 8 2 1 6 0 8 4 1 1 L M M M N 1 1 N M 1 1 D 1 M N A A 1 J K G A B B B B C H K D B N N

TP_WLAN_CLK_EN

WIFI_CLK_EN

HOST_WU_WLAN TP_HOST_WU_WLAN

PCM_TXD PCM_RXD PCM_CLK PCM_SYNC WLAN_WU_HOST

TP_WLAN_WU_HOST

M13 M12 L13 L12 M11 K12 K10 K13 J12 B9 D8 N9 M9 K9 M10 N10 N13 K7 F10 E10 G10 J13 H12 H13 A1

BRF

GPIO0 GPIO1 GPIO2 GPIO3 GPIO4 GPIO5 GPIO6 GPIO7 GPIO8 GPIO9 GPIO10 GPIO11 GPIO12 GPIO13 GPIO14 GPIO15 GPIO16 GPIO17 GPIO18 GPIO19 GPIO20 GPIO21 GPIO22 GPIO23

FM_AUDIO_L FM_AUDIO_R

RX2_IN RX5_IN

SW_WIFI_5G_RX LNA_EN_5 LNA_EN_2

E13 F12 F13 G13 G12 E12

TP_WLAN_DAT200 TP_WLAN_DAT201 TP_WLAN_DAT202 TP_WLAN_DAT203

WLAN_DAT0 WLAN_DAT1 WLAN_DAT2 WLAN_DAT3

C521

C522

C517

C523

C524

XTAL_IN XTAL_OUT

W1_CNTL

C526 C536

R206

C537

C535

C538

R500

C539

C540

C541

3 3 5 C 0 1 3 1 1 1 3 1 1 A B E B C

C9

RX_2N RX_5N

C12

C217

G11 F11

VREF1V2

N4 N5

D12

MIC_BIAS_1.65V SUB_MIC_N SUBMIC_BIAS_1.65V

CLK_26MHZ_WIFI

PWDET_2G PWDET_5G

SUB_MIC_P

R211

4

3

1

2

C579 C580

F8

F6

MAIN_MIC_N 1005

C5 F5

MAIN_MIC_P

D3

1005

F7 B5

D2 D1

R212

N7

E7

EAR_MIC_N EAR_MIC_P

R209

OSC201

C230

D13

A6 SER_CLK A5 SER_CSN A4 SER_DAT B6 SER_WB PA_PE_A PA_PE_G

E6 E5

C549

A12

C547

A11

B8

C550

RBIAS RES

X

1 2 1 4 5 6 7 8 6 7 8 1 4 6 7 8 2 4 2 4 1 1 B B 1 D D F F F G G G H H H H H J J K K L N A

D11

RCV_N RCV_P

C229

E11

3 1 1 6 7 6 5 3 3 1 P H P P P L K J

C 1 2 3 E I O I O I O D D D D O D D D C D V V V D V

1 2 3 4 5 6 7 8 N I N I N I N I N I N I N I N I V V V V V V V V

2 1 3 1 2 2 2 8 7 6 5 4 5 2 2 2 1 2 1 5 6 1 K 1 1 T T T T T R T R L L K K G G J K L M 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 O O O O O O O O O 1 1 1 1 1 1 1 1 1 1 O O O O O O O O O O D L D L D L D L D L D L D L D L D D L D D D D D D D D D L L L L L L L L L L V V V V V V V V V V V V V V V V V V V

4 3 5 C

1 2 J 3 J 1 F J K E N P P K K S D _ P P _ K S S A P _ _ D S D D _ D D A D V V V D D V

G2 F1

HIFI_SYNC HIFI_BITCLK HIFI_SDATA_OUT HIFI_SDATA_IN

PA_PE_A PA_PE_G

PCM_SYNC PCM_CLK PCM_TXD PCM_RXD

VDD_WIFI_1.8V

CODEC_INTN

B10

E9

TP508 TP509 TP510 TP511

B4 A4 B3 B6

TP512 TP513 TP514 TP515

A7

TP516

A3

A9 A5 A6

E8 E12

ANAPOS

1 1 1 1 1 K K K K K C C C C C U U U U U B B B B B _ _ V _ _ N X X I N I V V V V

2 2 2 1 1 1 R P T 2 2 2 K K K C C C U U U B B B _ V _ N X I V V

1 3 1 P R R 3 3 3 K K K C C C U U U B B B _ V _ N X I V V

1 3 1 N P M 4 4 4 K K K C C C U U U B B B _ V _ N X I V V

C560

WLAN_PD WLAN_BT_RESET

TP_WLAN_BT_RESET

C528

C529

C530

C531

1 3 3 1 1 1 G H F 5 5 5 K K K C C C U U U B B B _ _ N V X I V V

C544

PMIC_INTN

REFNADC

PMODE

REFPADC

XTAL2 AMICBEXT AMICNEXT

CLK32K_1

AMICPEXT

CLK32K_2 CLK32K_3

MICCLK12/AMICN1 MICCLK34/AMICN2

DVC1

MICDAT12/AMICP1

DVC2

MICDAT34/AMICP2 MICVDD12/AMICB 1

EXTONN

MICVDD34/AMICB 2 GPIO0 AUX1N

GPIO1

AUX1P

GPIO2

AUX2N

CTNCPHV CTPCPHV

GPIO3|HDET

CTNCPLV CTPCPLV

EARN EARP

ONKEYN

PM500

PDM_CLK PDM_DATA

RESET_OUTN SLEEPN

HP1 HP2

I2C_SCL I2C_SDA

REFCLK GPADC0 FSYN1

GPADC1

BCLK1

GPADC2

SDI1

GPADC3

SDO1

GPADC4 GPADC5

FSYN2 BCLK2

PWM

SDI2

VBAT_SNS

SDO2 VINREF CODEC_INTN

VAON

ANANEG

VREF1V2

ANAPOS VSC

TP_WLAN_PD

C527

R503 1 1 2 0 0 1 1 1 1 1 R T N R T

VCHG_GOOD C10

Audio_R_3.5 Audio_L_3.5 PMIC_32KHZ_OUT3

C561 1 1 2 3 4 5 K K K K K K C C C C C D C U U U U U U N B D A R K F G _ B _ B _ B _ B _ B _ N N P A P E _ D D D D D D S G A C E S R D S S S S S S S S S S S S S S S S S S S S S S Y S D D D D D N M N N N N N N S S S S S S S S S S S S S S S S S S S S S S S N N N N N N G W G G G G G G V V V V V V V V V V V V V V V V V V V V V V V S G G G G G A P P P P P P P

D9 VIO H10 VIO

R _ T N S S A S S _ S S S S S S S S S S S S S S S S S S S V V M S S S S S S S S S S S S S S S S S S S A A F V V V V V V V V V V V V V V V V V V V

4 7 2 7 C L C H

L8

TP500

P13

PMIC_INTN

1OSC500

E3 E2

K9

TP501

L5 J6

R6 T3

TP502 TP503

H3 M5

VREG_1.8V

C546

CLK_32KHZ_AGPS PMIC_32KHZ_OUT3 VLT_LVL_SEL1 VLT_LVL_SEL2 R505

M9

K8

2

PMIC_32KHZ_OUT1 CLK_32K_8787

JIG_ON_N TP504

TSP_VENDOR1 TSP_VENDOR2 PMIC_GPIO2

TP505

J9

L_DET

AUX2P

C548

C285

CLK_32K_8787

A8 TCK B7 TDI A7 TDO B8 TMS B5 PDN D7 RESETN

RF_CNTL0_N RF_CNTL1_P RF_CNTL2_N RF_CNTL3_P RF_CNTL4_N RF_CNTL5_N RF_CNTL6_N D N G RF_CNTL7_N _

N P N N P 6 6 A 8 8 0 0 E 1 1 D D L D D D D D 2 C D V V V 1 V D REFCCURR D V REFDAC

XTAL1

TX_2 TX_5

R210

A8

SLP_CLK_IN

B12 FM_AUDIO_IN_L C12 FM_AUDIO_IN_R C13 FM_AUDIO_OUT_L D12 FM_AUDIO_OUT_R

V_CORE_SNS

C532

WLAN_CMD

N6 PWDET_2G M7 PWDET_5G

U202

C525

L500 L501 L502 L503 L504

WLAN_SD_CLK

TP_WLAN_CMD

K1 J1

M1 TX2_OUT G1 TX5_OUT

BRF_ANT

E1 F2 D2 D1 E2 E4 C2 F4

SW_WIFI_BT_RX SW_BT_TX

C520

ANAPOS

SD_DAT0 SD_DAT1 SD_DAT2 SD_DAT3 SD_CLK SD_CMD

A12 FM_ANT_RX A13 FM_ANT_TX

FM_ANT

C519

2 2 2 0 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 1 1 1 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 N T D D D D N T I D D D D D D D D D D D D D D D D D I N D D D D D D D D D D D D D D D D D D D D D V U V U I T V V V V U V V V V V V V V V V V V V V V V V _ O _ O V O V _ O A A A A A A A A A A A A A A A A A O V V _ 3 V D _ D L O L O O _ V D V _ D L L D 3 M L L F _ V B O L V D M L F B V

VREG_1.8V

V_CORE_SNS

C518

C210

V_DIGRF_1.8V

VDD_DIG_1.8V

5 0 0 1

1 3 3 2 5 8 8 6 7 6 3 6 7 3 2 3 0 4 8 9 4 7 7 2 9 9 1 3 2 9 9 2 9 9 1 3 2 2 3 1 1 1 1 C C F G H H J K K L M M M G N N P P P P R R J B F B D H G H F R T R P M E

SPKP SPKN 3 3 1 1 1 T 1 A - A - T - C C C C N N N N 3 1 3 1 1 1 T A A T

N13

ON_SW

A2

PDM_CLK PDM_DATA

B2

M8

TP506

PMIC_RST_OUT

R8

VCXO_EN TA_EN

L11

B1

CI2C_SCL CI2C_SDA

C1

H12 K11 G12 H13 J11 L13

RF_TEMP LCD_SELECT VF EAR_ADC_3.5

C554 TH500

VREF1V2

K5 L9

VBAT_SENSE

G7 J5

G8

M13

G1 H1


C562

C563

C564

BAT500

C C N N 2 1

C235

M5 K5

V_SYS

C C N N GND_HS_SENSE

1 2

C566

SW_BT_TX SW_WIFI_BT_RX

C254

C255 LNA_ANT_2G V_SYS 6 5 4 3 1 1 1 1

C258

V_SYS PWDET_2G

1 2 3 4

R201

C264

9 1 2 R

C265

T D X T N N R B A G V V

VDET

GND

GND

BT

U208

VCC VCC

LNA_EN N E _ D X A N X T P G R

C266

VCC

GND

12 11 10 9

LNA_EN_2

7 1

BRF

L214

R202

L215

R221

5 6 7 8

C267

C268

C272

TX_2

C274

PA_PE_G

RX_2N L219

L221

R222 C275

L222

C276

F200

F203

ANT200 L204

3

1 GND

P3

2

4 P2

C240

1

C241

2 LNA_ANT_2G

4 IN

C242

OUT 2

GNDGND L225

L209

1

C280

P1

L227

L226

L207

1 2

L208

3

C249

L213

LNA_ANT_5G

L224

8-15


Level 3 Repair

8-3-7. WIFI Part WIFI is not working Yes No Enable WIFI Function

Check WIFI function ON

Yes

Check the Voltage on C210, C211, C203, C204 = 1.8V

No

Check the PM500(crack, open, damaged, etc.)

Yes Check 37.4 MHz Clock at C230, C285

No Check the OSC201(crack, open, etc.)

Yes Check the Voltage on C256, C257, C251, C252, C253

No Check the U207(crack, open, damaged, etc.)

Yes Check the Voltage on C264, C265, C268

No

Check the U208(crack, open, damaged, etc.)

Yes

Check the Status of C242, C280, C249, R217, C259, C274, C272, F203, F200

No

Resolder or Replace C242, C280, C249, C217, C259, C274, C272, F203, F200

No

Resolder or Replace C204, C240, L241, ANT200

Yes

Check the Status of L204, C240, L241, ANT200

Yes


Yes

END

8-17


Level 3 Repair

VDD_WIFI_1.8V

VREG_1.8V

VDD_WIFI_1.8V L200

VDD_WIFI_1.8V

L201

V_GPS_1.8V

V_CAM_IO_1.8V

C202 L 2 02

VDD_WIFI_1.8V

VDD_DIG_1.8V

2 . 2n H

VREG_LVS5_LVDS_1P8 V_ANALOG_3.0V

C206

C203

C204

V_VCTCXO_2.8V

V_WIFI_3.3V

V_SD_3.0V

V_MOTOR_3.3V

V_WIFI_3.3V

C207

C205

V_USB_3.1V

C500 EAR_MIC_BIAS_2.6V

V_SIM1_3.0V

VLED_IC_1.9V

V_2M_A2.8V

V_PROXY_2.8V

V_MMC_3.0V

C501

VREG_L18_LVDS_1P2

VREG_L16_LVDS_3P3

C584

V_SYS

3 0 2 L C514

C502

C503

C504

C505

C506

C507

C508

C509

C510

C511

C512

C513

C209 5 0 0 1

C211

C210

C212


C213

V_DIGRF_1.8V

2 2 3 9 0 3 4 0 3 1 2 6 2 3 4 6 3 0 1 8 8 2 1 6 0 8 4 1 B B 1 1 C H K L M M M N 1 1 N M 1 1 D 1 K G M N A A A J B B D B N N

V_SYS

TP_WLAN_CLK_EN

WIFI_CLK_EN

HOST_WU_WLAN TP_HOST_WU_WLAN

PCM_TXD PCM_RXD PCM_CLK PCM_SYNC TP_WLAN_WU_HOST WLAN_WU_HOST

M13 M12 L13 L12 M11 K12 K10 K13 J12 B9 D8 N9 M9 K9 M10 N10 N13 K7 F10 E10 G10 J13 H12 H13 A1

BRF

2 2 2 0 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 1 1 1 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 D D D D N T N I T N D D D D D D D D D D D D D D D D D I U I T D D D D D D D D D D D D D D D D D D D D D V U V _ O V U V V V V V V V V V V V V V V V V V V V V V _ O O V _ O A A A A A A A A A A A A A A A A A O V V D _ D _ 3 V L O L O O _ V D _ V D L L D 3 M L L F _ V B O L V D M L F B

GPIO0 GPIO1 GPIO2 GPIO3 GPIO4 GPIO5 GPIO6 GPIO7 GPIO8 GPIO9 GPIO10 GPIO11 GPIO12 GPIO13 GPIO14 GPIO15 GPIO16 GPIO17 GPIO18 GPIO19 GPIO20 GPIO21 GPIO22 GPIO23

E13 SD_DAT0 F12 SD_DAT1 F13 SD_DAT2 G13 SD_DAT3 G12 SD_CLK E12 SD_CMD

V

RX2_IN RX5_IN TX2_OUT TX5_OUT XTAL_IN XTAL_OUT

W1_CNTL SLP_CLK_IN

E1 F2 D2 D1 E2 E4 C2 F4

SW_WIFI_BT_RX SW_BT_TX SW_WIFI_5G_RX LNA_EN_5 LNA_EN_2

VREG_1.2V

BRF_ANT

PA_PE_A PA_PE_G

C519

C520

C521

C522

C517

C523

C524

C525

RF_CNTL0_N RF_CNTL1_P RF_CNTL2_N RF_CNTL3_P RF_CNTL4_N RF_CNTL5_N D RF_CNTL6_N N G RF_CNTL7_N _

C532

C526

RX_2N RX_5N

C536

C537

C535

C538

R500

C539

C540

C541

3 3 5 C 0 1 3 1 1 1 3 1 1 A B E B C

R209

R210

N4 N5

C9 C12

CLK_26MHZ_WIFI OSC201

G11 F11

VREF1V2

R211

R212

N7

4

3

1

2

E7

EAR_MIC_N EAR_MIC_P

MIC_BIAS_1.65V SUB_MIC_N SUBMIC_BIAS_1.65V

C230

C285

C579 C580

SUB_MIC_P

F8

F6

MAIN_MIC_N 1005

C5 F5

MAIN_MIC_P

D3

1005

F7 B5

CLK_32K_8787

C229

D1 E6 E5

C548

A8 B8

C550

RBIAS RES

X R _ T N

1 4 5 6 7 8 6 7 8 1 4 6 7 8 2 4 2 4 1 1 1 2 1 B B A D D F F F G G G H H H H H J J K K L N

D11

RCV_N RCV_P

PA_PE_A PA_PE_G

E11

C10

Audio_R_3.5 Audio_L_3.5

B10

E9

PMIC_32KHZ_OUT3

VDD_WIFI_1.8V

TP508 TP509 TP510 TP511

HIFI_SYNC HIFI_BITCLK HIFI_SDATA_OUT HIFI_SDATA_IN

TP_WLAN_PD

PCM_SYNC PCM_CLK PCM_TXD

WLAN_PD WLAN_BT_RESET

TP_WLAN_BT_RESET

PCM_RXD CODEC_INTN

B4 A4 B3 B6

TP512 TP513 TP514 TP515

A7

TP516

A3

A9 A5 A6

E8 E12

ANAPOS

C235

M5

4 7 2 7 C L C H

2 1 3 1 2 2 2 8 7 6 5 4 5 2 2 2 1 2 1 5 6 1 K 1 1 T T T T T R T R L L K K G G J K L M

3 1 1 6 7 6 5 3 3 1 P H P P P L K J

C 1 2 3 E I O I O I O D D D D O D D D C V V V D D V


1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 O O O O O O O O O 1 1 1 1 1 1 1 1 1 1 O O O O O O O O O O D L D L D L D L D L D L D L D L D D L D D D D D D D D D L L L L L L L L L L V V V V V V V V V V V V V V V V V V V

4 3 5 C

1 2 J 3 J 1 F J K E N P P K K S D _ P P _ K S S A P _ _ D S D D _ D D A D V V V D D V

C528

C529

C530

C531

R503 1 1 2 0 0 1 1 1 1 1 R T N R T

2 2 2 1 1 1 R P T

1 1 1 1 1 K K K K K C C C C C U U U U U B B _ B _ B B _ _ N I N V X X I V V V V

1 3 1 P R R

2 2 2 K K K C C C U U U B B B _ V _ N X I V V



3 1 3 1 1 1 G H F 5 5 5 K K K C C C U U U B _ B B _ N V X I V V

C544

PMIC_INTN

REFNADC

PMODE

REFPADC

C560

XTAL2 AMICBEXT AMICNEXT

CLK32K_1

AMICPEXT

CLK32K_2 CLK32K_3

MICCLK12/AMICN1 MICCLK34/AMICN2

DVC1

MICDAT12/AMICP1

DVC2

MICDAT34/AMICP2 MICVDD12/AMICB1

EXTONN

MICVDD34/AMICB2 GPIO0 AUX1N

GPIO1

AUX1P

GPIO2

AUX2N

GPIO3|HDET

L8

TP500

P13

PMIC_INTN

1 OSC500

E3 E2

K9

TP501

L5 J6

R6 T3

TP502 TP503

K8

M5

VREG_1.8V

C546

CLK_32KHZ_AGPS PMIC_32KHZ_OUT3 VLT_LVL_SEL1 VLT_LVL_SEL2 R505

M9

H3

2

PMIC_32KHZ_OUT1 CLK_32K_8787

JIG_ON_N TP504


TP505

J9

L_DET

AUX2P

A12

C547

C549

A11

G2 F1

N P N P 6 N 6 0 A 8 8 0 E 1 1 D D L D D D D D 2 C D V V V 1 V D REFCCURR D V REFDAC

XTAL1 D12

PWDET_2G PWDET_5G

D13

C527

C217

TX_2 TX_5

D9 VIO H10 VIO

S S A S S _ S S S S S S S S S S S S S S S S S S S V V M S S S S S S S S S S S S S S S S S S S A A F V V V V V V V V V V V V V V V V V V V

V_CORE_SNS L500 L501 L502 L503 L504

ANAPOS

WLAN_CMD

M1 G1

A8 TCK B7 TDI A7 TDO B8 TMS B5 PDN D7 RESETN

VREG_1.8V

V_CORE_SNS

C518

WLAN_SD_CLK

K1 J1

A6 SER_CLK A5 SER_CSN A4 SER_DAT B6 SER_WB

VREG_1.2V

VDD_DIG_1.8V

R206

D2

U202

B12 FM_AUDIO_IN_L C12 FM_AUDIO_IN_R C13 FM_AUDIO_OUT_L D12 FM_AUDIO_OUT_R

FM_AUDIO_L FM_AUDIO_R

WLAN_DAT0 WLAN_DAT1 WLAN_DAT2 WLAN_DAT3

TP_WLAN_CMD

N6 PWDET_2G M7 PWDET_5G

A12 FM_ANT_RX A13 FM_ANT_TX

FM_ANT

TP_WLAN_DAT200 TP_WLAN_DAT201 TP_WLAN_DAT202 TP_WLAN_DAT203

VREG_1.8V

N13 CTNCPHV

CTNCPLV CTPCPLV

EARN EARP

ON_SW

ONKEYN

PM500

CTPCPHV

PDM_CLK PDM_DATA

RESET_OUTN SLEEPN VCHG_GOOD

HP1 HP2

I2C_SCL I2C_SDA

REFCLK GPADC0 FSYN1

GPADC1

BCLK1

GPADC2

SDI1

GPADC3

SDO1

GPADC4 GPADC5

FSYN2 BCLK2

PWM

SDI2

VBAT_SNS

SDO2 VINREF CODEC_INTN

VAON

ANANEG

VREF1V2

ANAPOS

A2

PDM_CLK PDM_DATA

B2

M8

TP506

PMIC_RST_OUT

R8

VCXO_EN TA_EN

L11

B1

CI2C_SCL CI2C_SDA

C1

H12

RF_TEMP

K11 G12

LCD_SELECT VF EAR_ADC_3.5

H13 J11 L13

C554 TH500

VREF1V2

K5 L9

VBAT_SENSE

G7 J5

G8 M13

VSC

C561 1 1 2 3 4 5 K K K K K K C C C C C D C U U U U U U N B D A R K F G _ B _ B _ B _ B _ B _ N N P A P E _ D D D D D D S G A C E S R D S S S S S S S S S S S S S S S S S S S S S S Y S D D D D D N M N N N N N N S S S S S S S S S S S S S S S S S S S S S S S N N N N N N G W G G G G G G V V V V V V V V V V V V V V V V V V V V V V V S G G G G G A P P P P P P P

K5

1 0 3 2 9 9 2 9 9 3 2 2 3 2 9 9 1 1 3 3 2 5 8 8 6 7 6 3 6 7 3 2 3 1 4 8 9 4 7 7 1 1 1 C C F G H H J K K L M M M G N N P P P P R R J B F B D H G H F R T R P M E

G1 SPKP SPKN 3 1 3 1 1 1 A - A - T - T C C C C N N N N 3 1 3 1 1 1 T A A T


H1

C562

C563

C564

BAT500

C C N N 2 1

C C N N

1 2 V_SYS

GND_HS_SENSE

C566

SW_WIFI_5G_RX LNA_EN_5 SW_BT_TX SW_WIFI_BT_RX

R216 C244

C281 LNA_ANT_5G

C254

C255 LNA_ANT_2G V_SYS

V_SYS

C258 PWDET_2G

1 2 3 4

R201

C264

9 1 2 R

C265

T D X T N N R B A G V V

VDET

GND

GND

BT

U208

VCC VCC

LNA_EN N E _ D X A N X T P G R

C266

VCC

GND

12 11 10 9

LNA_EN_2

7 1

BRF

L214

R202

C282

C274

L221 C275

C261

F200

OUT 2

GNDGND L225

L209

1

C280

VCC GND

GND

7 1

C251

C252

C253

C263

C260

ANT200

P3

2

4 P2

P1

C262

L204

3

1 GND

C240

1

C241

2 LNA_ANT_2G

4 IN

VCC

C283

C276

8 1 2 R

C242

U207

GND

12 11 10 9

C259

L222

F203

VCC

5 6 7 8

C257

PWDET_5G PA_PE_A TX_5

RX_2N L219

R222

GND

C268

C272

TX_2

RX

T N E E _ D D A N X V P G T

C256 C267

X D T N R N N E V G A _ A N L

GND

C250

R221

5 6 7 8

PA_PE_G

1 2 3 4

RX_5N

L215

V_SYS

6 5 4 3 1 1 1 1

R217 22pF

6 5 4 3 1 1 1 1

V_SYS

L227

L226

L207

1 2

L208

3

C249

L213

LNA_ANT_5G

L224

8-18


Level 3 Repair

8-3-8. GPS Part

GPS is not working

Yes

Check GPS function ON

No

Enable GPS Function

Yes

Check the Voltage on L218 = 1.8V, C243, L206 = 1.8V

No

Check the PM500 (crack, open, damaged, etc.)

Yes

Check 26MHz Clock at C236, C237

No

Check the TCX202(crack, open, etc.)

Yes

Check the Voltage of GPS_LNA_EN (at C239),

No

Resolder or change the U205

Yes

Check the Status of L223, C245, C246, L210, C247, C248, F202, F201

No

Resolder or Replace L223, C245, C246, L210, C247, C248, F202, F201

Yes

Check the Status of C247, C248, ANT201

No Resolder or Replace C247, C248, ANT201

Yes


Yes END

8-20


Level 3 Repair

V_GPS_1.8V

L206

C243

C245

ANT201

U205 6 5

GPS_LNA_EN

1 RFOUT

GND

EN

GND

VDD

RFIN

4

2 3

F201

C246

L210

4

OUT

C248

C247

2

2

1

IN

1 1

GG G 5 3 2

L212

L211 C239

V_SYS U203 4 3

GPS_TCXO_EN

VIN

VOUT

EN

GND

1 2

D N G

V_GPS_1.8V

5

C236 C237

L218

TCX202

R215 C269

6

C271

C270

VCC

5 NC C273

C238

4

GPS_TCXO_OUT

OUT

GND

1 2

NC

GND

3

GPS_TCXO_EN L220 7 7 1 2 1 4 1 5 B C A A D A C B

F202 L223 1

IN

OUT

4

X L _ S P M S _ D D V

E1 GNSS_RF_IN

G GG 2 3 5

TP_GPS_TXD TP_GPS_RXD

GPS_TXD GPS_RXD

C279

E7

C278

O 8 I _ X 2 2 V 8 T I V 1_ D V U F D _ V 1 O 1 1_ D V _ A _ D _ K S S B V _ S B P O _ X D N D M C D S T V G _ _ D V _ D D D D D D V V V

UART_RX

AIO_0

D5

B3 UART_TX

TP_CLK_TCXO

U209

E3

GPS_TCXO_OUT

D3

TCXO_IN XO_OUT

TP_CLK_200

B1

CLK_32KHZ_AGPS

AIO_1 D7 GPIO_0|DR_I2C_DIO|BLANKING|EIT1

B4

GPIO_1|DR_I2C_CLK|GNSS_ON

RTC_XTAL_IN

GPIO_2|TSYNC|SPI_MISO|TM|ECLK GPIO_3|ECLK|SPI_MOSI|DAC_DI|EIT2

A6 C6

C4 A3

GPIO_4|EIT1|SPI_MISO|DAC_CLK|BLANKING

JTMS

GPIO_5|TM|SPI_MOSI|DAC_CS#|GNSS_ON|SCLK|RTCCLK

C5

GPIO_6|UART_CTS|SSPI_CLK|HS0 E5 GPIO_7|UART_RTS|SSPI_CS#|HS1

D4 ON_OFF E4

GPS_LNA_EN GPS_RTS GPS_CTS

E6 TMODE

AP_AGPS_ONOFF AP_AGPS_RESETn

GPS_ECAL

TP_ECAL

D6 JTCK

B6

TP_GPS_ONOFF TP_GPS_RESET

C277

C3

TP_GPS_RTS TP_GPS_CTS

EXT_SRESET_B

C C N N

2 1

F S R B _ B S S S U P S S S _ B _ N N M A O S K I G G _ _ _ _ _ S S S S S S S S S S V V V V V

7 2 5 2 2 A B A E D

V_GPS_1.8V

V_CAM_IO_1.8V VDD_DIG_1.8V

VREG_LVS5_LVDS_1P8 V_ANALOG_3.0V

V_USB_3.1V

V_VCTCXO_2.8V

V_WIFI_3.3V

V_SD_3.0V

V_MOTOR_3.3V

C500 EAR_MIC_BIAS_2.6V

V_SIM1_3.0V

VLED_IC_1.9V

V_2M_A2.8V

V_PROXY_2.8V

V_MMC_3.0V

C501

VREG_L18_LVDS_1P2

VREG_L16_LVDS_3P3

C584

V_SYS

C514

C502

C503

C504

C505

C506

C507

C508

C509

C510

C511

C512

C513


V_SYS

VREG_1.8V

VREG_1.2V

V_DIGRF_1.8V

VREG_1.2V

VDD_DIG_1.8V

VREG_1.8V

V_CORE_SNS C518

C519

C520

C521

C522

C517

C523

C524

C525

V_CORE_SNS L500 L501 L502 L503 L504

ANAPOS

C532

C526 C536

C537

C535

C538

R500

C539

C540

C541

3 3 5 C 0 3 1 3 1 1 1 1 1 A B E B C

C9 C12 G11

P N P N N 8 6 6 A 8 1 0 0 E 1 D D L D D D D C D D V V 2 V V 1 REFCCURR D D V REFDAC

3 1 6 7 6 5 3 3 1 1 H P P P L K J P

4 7 2 7 C L C H C 1 2 3 E O I O I O D I D D D O D D D C V V V D D V


2 2 2 3 2 1 1 8 7 6 5 4 5 2 2 2 1 2 1 5 6 1 1 1 L J K K M T T T T T R T R L L K K G G 0 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 1 1 1 1 1 1 1 1 1 O O O O O O O O O O O O O O O O O O D D D D D D D D D O D D D D D D D D D D L L L L L L L L L L L L L L L L L L L V V V V V V V V V V V V V V V V V V V

4 3 5 C

2 J 3 J 1 1 J F

C527

C528

C529

C530

C531

R503 1 1 2 0 0 1 1 1 1 1 R T N R T

K E N P P D K K S _ P P _ K S S A P _ _ D S D D D _ D D V A V V D D V

1 1 1 1 1 K K K K K C C C C C U U U U U B B B B B _ _ V _ _ N I N X X I V V V V

2 2 2 1 1 1 R P T

1 3 1 P R R




3 1 3 1 1 1 G H F 5 5 5 K K K C C C U U U B B B _ V _ N X I V V

C544

PMIC_INTN

REFNADC

PMODE

L8

TP500

P13

PMIC_INTN

1

OSC500

F11

VREF1V2

REFPADC

E3 XTAL1

E2

XTAL2 D12 E7

EAR_MIC_N EAR_MIC_P

MIC_BIAS_1.65V SUB_MIC_N SUBMIC_BIAS_1.65V SUB_MIC_P

C579 C580

F8

AMICBEXT AMICNEXT

CLK32K_1

AMICPEXT

CLK32K_2

K9

TP501

L5 J6

CLK32K_3

F6

MAIN_MIC_N 1005

C5

MICCLK12/AMICN1

R6

MICCLK34/AMICN2 F5

MAIN_MIC_P

D3

1005

F7 B5

DVC1

MICDAT12/AMICP1

DVC2

E6

TP502 TP503

PMIC_32KHZ_OUT1 CLK_32K_8787 CLK_32KHZ_AGPS PMIC_32KHZ_OUT3 VLT_LVL_SEL1 VLT_LVL_SEL2

2

VREG_1.8V

C546

R505

MICDAT34/AMICP2 MICVDD12/AMICB1

EXTONN

MICVDD34/AMICB2

M9

K8 GPIO0

D2 D1

T3

AUX1N

GPIO1

AUX1P

GPIO2

AUX2N

GPIO3|HDET

H3 M5

JIG_ON_N TP504


TP505

J9

L_DET

E5 AUX2P

C548

C549

C547

A12 A11

N13 CTNCPHV CTPCPHV

A8 B8

C550

CTNCPLV CTPCPLV

D11

RCV_N RCV_P

E11

EARN EARP

PDM_CLK PDM_DATA

B10

SLEEPN

PCM_SYNC PCM_CLK PCM_TXD PCM_RXD CODEC_INTN

PDM_CLK PDM_DATA

B2

TP506

PMIC_RST_OUT

R8

VCXO_EN TA_EN

L11

HP1 HP2

I2C_SCL

B1

CI2C_SCL CI2C_SDA

C1 I2C_SDA

E9

PMIC_32KHZ_OUT3 HIFI_SYNC HIFI_BITCLK HIFI_SDATA_OUT HIFI_SDATA_IN

A2

M8 RESET_OUTN

VCHG_GOOD C10

Audio_ R_3.5 Audio_ L_3.5

ON_SW

ONKEYN

PM500

REFCLK GPADC0

TP508 TP509 TP510 TP511

B4 A4 B3 B6

FSYN1

GPADC1

BCLK1

GPADC2

SDI1

GPADC3

SDO1

TP512 TP513 TP514 TP515

A7

TP516

A3

GPADC4

H12 K11 G12 H13 J11 L13

RF_TEMP LCD_SELECT VF EAR_ADC_3.5

BCLK2

PWM

SDI2

VBAT_SNS

SDO2

L9

VBAT_SENSE

G7 VINREF

CODEC_INTN E8 E12

TH500

VREF1V2

K5

A6

ANAPOS

C554

GPADC5 FSYN2

A9 A5

J5

VAON

ANANEG

VREF1V2

G8

ANAPOS M13 VSC

C560

C561 G1 1 1 2 3 4 5 K K K K K K C C C C C D C U U U U U U N B D A R K F B B B B B N N P A P E G _ _ _ _ _ _ _ D D D D D D S G A C E S R D S S S S S S S S S S S S S S S S S S S S S S Y S D D D D D N M N N N N N N S S S S S S S S S S S S S S S S S S S S S S S N N N N N N G W G G G G G G V V V V V V V V V V V V V V V V V V V V V V V S G G G G G A P P P P P P P 1 0 3 2 9 9 2 9 9 3 2 2 3 2 9 9 1 1 3 3 2 5 8 8 6 7 6 3 6 7 3 2 3 1 4 8 9 4 7 7 1 1 1 C C F G H H J K K L M M M G N N P P P P R R J B F B D H G H F R T R P M E

SPKP SPKN 3 3 1 1 1 1 A - A - T - T C C C C N N N N 3 1 3 1 1 1 T A A T

H1


C562

C563

C564

BAT500

C C N N 2 1

V_SYS

GND_HS_SENSE

C566

8-21


Level 3 Repair

8-3-9. LCD

LCD is still off after PWR ON

Yes No

Check the connection of HDC601

Reconnect the HDC601

Yes

No Check LCD FPCB

If there is LCD FPCB crack, replace the LCD FPCB.

Yes

No

Check the Voltage on C630 (High: VBAT)

Check L603

Yes

No Check U602

Check the U602 (crack, open, damaged, etc.) If there is damage on it, Resolder or Replace U602

Yes

No

Check the Voltage on C604 = 3.3V

Resolder or Replace the PM500

Yes

Replace LCD Module Yes

END

8-23


Level 3 Repair

8-3-10. TSP

Touch Screen does not work

Yes

No

Check TSP Connector on Main PBA


Yes

No

Check the Voltage on C702 = 3.3V

Resolder or Replace C702

Yes

No

C702 ≥ 3.3V? C703 ≥ 3.3V?

Resolder or Replace R700 Resolder or Replace R702

Yes

No

Check the I2C signal

Resolder or Replace R703, R704

Yes Replace U705

Yes END

8-25


Level 3 Repair

HDC702 1 3 5 7 9

TX29 TX25 TX21 TX17 TX13 TX09 TX05 TX01

11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59

RX17 RX15 RX13 RX11 RX09 RX07 RX05 RX03 RX01 TX02 TX06 TX10 TX14 TX18 TX22 TX26

1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59

2 2 4 4 6 6 8 8 10 10 12 12 14 14 16 16 18 18 20 20 22 22 24 24 26 26 28 28 30 30 32 32 34 34 36 36 38 38 40 40 42 42 44 44 46 46 48 48 50 50 52 52 54 54 56 56 58 58 60 60

TX27 TX23 TX19 TX15 TX11 TX07 TX03 RX16 RX14 RX12 RX10 RX08 RX06 RX04 RX02 RX00 TX00 TX04 TX08 TX12 TX16 TX20 TX24 TX28

TOUCH_3.3V

R700

R701

0 0 7 C

3 5 4 6 4 2

C702

C701

TOUCH_3.3V VREG_1.8V

RX00 RX01 RX02 RX03 RX04 RX05 RX06 RX07 RX08 RX09 RX10 RX11 RX12 RX13 RX14 RX15 RX16 RX17

7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

Y00

2 4 5

A A A A C C C C C C C C V V V V

7 2

D D D D V V

O D L _ 8 X00 1 V

Y01

X01

Y02

X02

Y03

X03

Y04

X04

Y05

X05

Y06

X06

Y07

X07

Y08

X08

Y09

X09

Y10

X10

Y11

X11

Y12

X12

Y13

X13

U705

Y14

X14

Y15

X15

Y16

X16

Y17

X17 X18

R703

R704

R705

X19

2 0 7 R

X20 X21 44 45

TSP_INT TSP_I2C_SDA TSP_I2C_SCL

46 47

X22 RESETn

X23

INTn

X24

SDA

X25

SCL

X26 X27

3 0 7 C

X28 X29 D D N N G G

6 1 2 6

28 29 30 31 32 33 34 35 36 37 38 39 40 41 3

TX11 TX07 TX03 TX15 TX19 TX23 TX27 TX13 TX17 TX21 TX25 TX29 TX09 TX05 TX02 TX06 TX10 TX14 TX18 TX22 TX26 TX28 TX24 TX20 TX00 TX04 TX08 TX12 TX16

2 1 60 59 58 57 56 55 54 53 52 51 50 49 48

TX01

C C N N

2 3 6 6

8-26


Level 3 Repair

6 L C6 6 C4

C4

L403 4

L4

431 1

437 7

L404 2 4 R

C 3

R721 1

335

511 9 9 I P G

6 37 4 2 3 C

7 3 3 C

5 T T

TP306

7 3

2 0 7 C

1 0 7 C

1 0 7 R

0 0 7 R

2 0 7 R

3 0 7 C

321

7 T

5 0 3 P T

1

1 0 5 P

8-27


Level 3 Repair

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

Yes

No

Check the Camera connector on Main PBA


Yes

Resolder C710 Check the voltage C710 = 1.2V? C709 = 1.8V? C708 = 2.8V?

No

Resolder CC709 Resolder CC708 Replace the PBA

Yes

Check the I2C line TP CAM I900 & TP CAM I901 = HIGH

No

Resolder R301, R302 Replace the PBA

Yes

Replace the camera module

Yes

END

8-28


Level 3 Repair

3M_CAM_CORE_1.2V V_CAM_IO_1.8V V_3M_A2.8V

1 3 5 7 9 11

3M_nRST 3M_nSTBY

13 15 17 19

3M_CAM_I2C_SDA 3M_CAM_I2C_SCL

HDC701 1 2 2 3 4 4 5 6 6 7 8 8 10 10 9 11 12 12 13 14 14 15 16 16 17 18 18 19 20 C C 20

3M_DN_F 3M_DP_F 3M_CLK_P_F 3M_CLK_N_F 3M_MCLK R708

N N 1 2 2 2

R710 CAM_MCLK_F

0 1 7 C

9 0 7 C

8 0 7 C

5 0 7 C

0 0 7 L

V_CAM_IO_1.8V

R301

R302

3M_CAM_I2C_SCL 3M_CAM_I2C_SDA

C705 R708

71 1

7

7 5

7 1

7

7

7

7

7 7

27

0 1

0 7 C

0 7 C

0 7 L

4

V411

8-29


Level 3 Repair

8-3-12. 1.3M CAM

"Camera" function does not work

Yes

No

Check the Camera connector on Main PBA


Abnormal

Resolder C704 Check the voltage

No

C704 = 1.8V? C706 = 2.8V? C707 = 1.8V

Resolder C706 Resolder C707 Replace the PBA

Yes Check the I2C line TP CAM I900 & TP CAM I901 = HIGH

No

Resolder R315, R316 Replace the PBA

Yes

Replace the camera module

Yes

END

8-30


Level 3 Repair

V_PROXY_2.8V VT_CAM_A2.8V VT_CAM_CORE_1.8V

6 1 7 R

HDC703 1 3 5 7 9 11 13 15 17 19 21 23 25 27

1 2 2 3 4 4 5 6 6 7 8 8 9 10 10 11 12 12 13 14 14 15 16 16 17 18 18 19 20 20 21 22 22 23 24 24 25 26 26 27 28 28 30 30 29 29 C C C C N N N N 1 2 3 4 3 3 3 3

SENSOR_I2C_SDA SENSOR_I2C_SCL

CAM_MCLK_F

R706 CAM_PCLK_F CAM_HSYNC_F CAM_VSYNC_F CAM_nSTBY_F

TP700

CAM_F(6)_F

6 0 7 C 1 1 7 C

VREG_1.8V

V_CAM_IO_1.8V

7 0 7 C

PS_ALS_INT

TP701

CAM_F(0)_F CAM_F(1)_F CAM_F(2)_F CAM_F(3)_F CAM_F(4)_F CAM_F(5)_F CAM_nRST_F C427 VT_CAM_I2C_SCL VT_CAM_I2C_SDA CAM_F(7)_F

R717

C426

4 0 7 C

V_CAM_IO_1.8V

R315 R316 VT_CAM_I2C_SCL VT_CAM_I2C_SDA

R721 1 R722

S G T

0 7 C

7 7 C

711 11 7 1 7 R

6 0 7 R

8-31


Level 3 Repair

8-3-13. No Service No service Yes Check memu setting Menu

→ applications → setting → wireless

mobile networks

→ network

mode

and network

→ setting

→

is auto mode ?

PHONE : T211XXXX Menu → Phone → Keypad → *#1234# → check Phone version PHONE : T211XXXX

→

Check the Main Antenna exists or not

No

No

Check the C126,C153,C141,C152 is well soldered

Re-solder C126,C153,C141,C152 correspondingly.

Yes

No

Check VDD V(C128) = 2.8V

Replace the U124

Abnormal

Change the Main Antenna

Abnormal Change the PBA Yes END

8-32


Level 3 Repair

8-3-14. GSM850/WB5 NORMAL CONDITION catch the channel? No Trouble occurs only in GSM850/B5 band?

NO

Try 8-3-3 Repair procedure

Yes

Check C124,L116,C125,L114,L15 6,L117,L115,C127,C126,L 119 soldering condition

Yes

CHECK soldered components C124,L116,C125,L114,L156,L117,L115, C127,C126,L119

No

Check DUF100,U116, U117 for any damage (crack, open, etc)

Yes

Resolder or change DUF100,U116,U117

Yes

Resolder or change U124

No

Check U124 for any damage (crack, open, etc)

No Change the board

END

8-34


Level 3 Repair

8-3-15. GSM900/WB8 NORMAL CONDITION catch the channel? No Trouble occurs only in GSM900/WB8 band?

NO


Yes

Check C131,C131,L124,L118,L11 9,L12,L120,C154,C153,L1 26 soldering condition

Yes

CHECK soldered components C131,C131,L124,L118,L119,L12,L120, C154,C153,L126

No


Yes


Yes


No


No Change the board

END

8-36


Level 3 Repair

8-3-16. WB1 NORMAL CONDITION catch the channel? No Trouble occurs only in WB1 band?

NO


Yes

Check L107,L137,L139,L157,L12 9,C141,L132,L134,L135,L 138,L136soldering

Yes

CHECK soldered components L107,L137,L139,L157,L129,C141,L132, L134,L135,L138,L136

No


Yes


Yes


No


No Change the board

END

8-38


Level 3 Repair

8-3-17. WB2 NORMAL CONDITION catch the channel? No Trouble occurs only in WB2 band?

NO


Yes

Check C143,L146,C151,L141,C1 52,L142,L143,L144,L147,L 145 soldering condition

Yes

CHECK soldered components C143,L146,C151,L141,C152,L142,L143, L144,L147,L145

No


Yes


Yes


No


No Change the board

END

8-40


Level 3 Repair

8-3-18. GSM1800 Rx NORMAL CONDITION catch the channel? No Trouble occurs only in GSM1800 band?

NO


Yes

Check C120,L154,L106,C138,C1 39,L108 soldering condition for any damage

Yes

CHECK soldered components C120,L154,L106,C138,C139,L108

No

Check U106, U104 for any damage (crack, open, etc)

Yes

Resolder or change U106,U104

Yes


No


No Change the board

END

8-42


Level 3 Repair

8-3-19. GSM1900 Rx NORMAL CONDITION catch the channel? No Trouble occurs only in GSM1900 band?

NO


Yes

Check C120,L154,L111,L112,L15 5,L113 soldering condition for any damage

Yes

CHECK soldered components C120,L154,L111,L112,L155,L113

No

Check U106, U104 for any damage (crack, open, etc)

Yes

Resolder or change U106,U104

Yes


No


No Change the board

END

8-44


Level 3 Repair

8-3-20. Grip Sensor

"Grip Sensor " function does not work

Yes

Check the Grip Sensor Functionality (*#0*# or *#435517#)

Abnormal

No

Check the status of Main ANT & Sub ANT

Replace the ANTs

Yes

No

Check the status of Grip Sensor Components. L101, R116, L109, L159, R149

Replace the components

Yes

END

8-46


Level 3 Repair

8-47


Level 3 Repair

1

1

1

8-48


Level 3 Repair

8-4. Service Schematics UCP300

8-49


Level 3 Repair

UME400

8-50


Level 3 Repair

PM500

8-51


GALAXY TAB SM-T211 DIAGRAM.pdf

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