Samsung SM-T230, Galaxy Tab 4 Schematics PSPEC

Level

8.

Block Diagram

8-1.

GGOOYYAA ((WWIIFFII))

Repair

3

MMEEMMOORRYY

PPOOWWEERR

&&

AAUUDDI IOO

EAR_MIC_BIAS_2 .8V

EAR_MIC

MAIN_MIC

SPK

EARSPK

CCOONNNNEECCTTOORR

LLCCDD && TTSSPP

CCAAMMEERRAA

V_BAT_SW

[RP152L002B- TR]

RCV

SPK_N/P

CONNECTOR

DDIISSPP__33VV33

LDO

VVRREEGG__11VV88

VV__MMEEMM__AA__22VV8 8

VDD_TSP_2V8 VDD_DIG_1.8V V_MEM_A2V8

V_SD_3V3

V_MMC_3 V3

VDD_S IM_3V0

V_RAMP _2V8 V_USB_3 .1V

LVDS_1V8 VCC3V3_WLAN VDD_SEN_ 3V3

LVDS_1V2

V_GPS_1.8V_PMU

EAR_MIC_BIAS_2.8V

VCORE_MAI N_1.2 V

VREG_1V8 VREG_1 .2V

V_3G_DI G_RF

RCV_P/ N

EAR_MIC_N/ P MAIN_MIC_N/P

MIC_BIAS_1.6 5V

EAR_ADC_3.5

EARSPK_L/ R_3. 5

L_DET

GND_DET

IF

VV__BBAATT__IIFF

BATTERY

VV__BBAATT__CCEELLLL

LCD

TSP_VENDOR(1:2)

VV__CCAAMM__IIOO__11VV88 VV_ _CCAAMM__AA__22VV88

VV__BBAATT__SSWW

L D O

B U C K

LOAD SWITCH

[ET3148A]

V_BAT_SW

BAT SWITCH

[ET3153]

LED_VOUT_19.8V

LED_K

TSP

8GB eMMC

[ SDIN7DU2-8G- 944]

VVRREEGG__11VV88

PMIC

[PM820]

Audio

I/F

IF_DM/DP/ ID

VBUS_5V_IF

VV__MMMMCC__33VV33

STBYB

TX(00:29) RX(00:17)

VVDDDD__TTSSPP__22VV88

1.5 / 3M

CAMERA

VV__SSDD__33VV3 3

VVRREEGG__1 1VV88

VVRRE EGG__11VV88

VVRREEGG__1 1..22VV

32.768MHz

HIFI_SDATA_IN/OUT/ SYNC/BITCLK

PWR_KEY

TEMP_CHAMBER

TEMP_AP

VVRREEGG__11VV88

CHG_CUR

[ SMB328AET]

VVBBUUSS__MMUUIICC

JIG_ON_N

[ RT8973WSC]

CONNECTOR

LCD BLIC

[ RT8511B]

TOUCH IC

[ BT532]

1.5/3M

MC2_DAT(0:7)

MC2_CLK

MC2_CMD

XXTTAALL

CLK_32K_8777 PMIC_32KHZ_OUT CLK_32KHZ_AGPS

PMIC_RST_OUT

PCM_TXD/RXD/SYNC/CLK

VLT_LVL_SEL1/2

SYS_CLK_EN PMIC_INTN

PMU_SCL/ SDA

CODEC_INT

TThheerrmmiissttoorr TThheerrmmiissttoorr

Charger IC

VVRREEGG__1 1VV88

VV__BBAATT__SSWW

MUIC+OVP

SD

LED_BACKLIGHT_RESET

TSP_LVDS_SDA/SCL

1.5M VT_CAM_D(0:7)

1.5/3M _I2C_SCL/SDA MIPI_3M_D0 :1_P/ N MIPI_3M_CLK_P/N

3M

CAM_MCLK

_

_CAM_RSTN/ STBY

V_BAT_SW

CHG_SDA/SCL

MUIC_TXD/RXD

SD_D(0:3)

SD_DET_N

TOUCH_IRQ

CHG_STAT

MUIC_DM/DP MUS_SDA/SCL

MUIC_INT

SD_CMD

SD_CLK

eMMC/MMC

4.5 SD 3.0 I/F

PMU I/F

HS USB 2.0

Dual Core 1. 2 GHz

8Gb POP LPDDR2

[ H9TKNNN8JDAPLR- NGHR]

eMMC/MMC

4.5 SD 3.0 I/F

LCD MIPI

DSI-4

TSP I2C

MIPI CSI- 4 Main CAM

AP / CP

[PXA986]

+

WLAN/ BT

A- GPS

UART

Keypa d

Sensor

RRFF PPAARRTT

CLK_32KHZ_AGPS

HOME KEY

3G_CLK_26MHZ_WIFI_IN

VVDDDD__WWIIFFII__11..88VV

BT/WIFI

[ 88W8777]

VV__GGPPSS__11..88VV

VOL KEY

PWR KEY

VVCCCC33VV33__WWLLAANN

GPS

[ 88L2000]

RF_CNTL0_P/N

TTCCXXOO

26MHz

VVRREEGG__1 1VV88

WLAN_RF

BT_RF

SAW

[SFHG89DA00 2] GPS_LNA_EN

BT/WIFI

SP2T

[ RDASW25]

LNA

[RDALN16]

Band pass

Filter

(2.4GHz)

SAW

[SFHG89DA002]

Antenna

MMOOTTOORR

&&

KKEEYY

GPS

BT/WIFI Antenna

XXTTAALL

26MHz

CLK_32K_8777

BT_PCM_TXD/ RXD

BT_PCM _CLK/ SYNC

WLAN_SD_DATA(0:3)

I/F

WLAN_SD_CL K/CMD

WLAN_WU_HO ST HOST_WU_WLAN

WLAN_PDn

GPS_CAL_CLK

AP_AGPS_RESETn AP_AGPS_ONOFF

GSP_TXD/RXD

VOL_UP / DOWN

PWR_KEY

I/F

HOME_KEY

SSEENNSSOORR

ISC

SEN_SCL/ SDA

ACC_INT

ACCELERATOR SENSOR

[ BMA254]

VVDDDD__SSEENN__33VV33

VVRREEGG__11VV88

8-1

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’swritten authorization is strictly prohibited.

PCB Diagrams

8-2. 8-2-1.

Top

Level3Repair

8-2

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’swritten authorization is strictly prohibited.

Level3Repair

8-2-2.

Bottom

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’swritten authorization is strictly prohibited.

Flow Chart of Troubleshooting

8-3. Equipments

Level3Repair

Oscilloscope



Power Supply



Digital Multimeter



driver, ESD Safe Tweezer

+

8960 &



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’swritten authorization is strictly prohibited.

Spectrum Analyzer

8-4

Soldering iron



Level3Repair

8-3-1.

Power On

Device can`t power on.

Check the Battery Voltage

it more than

Is

Check the power key

open, etc)

(

Power-on the phone and check

the power-on sound is ok?

Yes

No

Yes

3.4

V?

.

No

Abnormal

Yes

Charging the battery by TA.

Change the power key

And retry to the power-on operation.

Change the FRONT ASSY

Check the U401 output voltage

C427,C428

(

C430

>1.2

Check the Clock OSC400

Is that frequency32KHz?

check the initial operation

END

>1.8

Yes

V,

V)

No

If the output voltage is not satisfied with normal condition, Change the U401

Change the OSC400 If OSC400 does not still work, Change the U401 This problem is internal oscillator of U401

Test condition(Oscilloscope setting)

※

us.div(time division)

:20.0

8-5

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’swritten authorization is strictly prohibited.

TEMP_BOARD1

C

32

3

4

0 0 4

1

H

0

T

4 H T

Thermistor for System

SUBMIC_BIAS_1.65V

2 5 4 C

C410

TEMP_BOARD2

MIC_BIAS_1.65V

0 5 4 C

Level3Repair

3

5

2

6

9

2

0

2

6

4

C

C407

C406

C411

V_SYS

C440

C438

TEMP_BOARD2

TEMP_BOARD1

5 8 4 R

EARSPK_L_3.5 EARSPK_R_3.5

MAIN_MIC_N

SUB_MIC_N

MAIN_MIC_P

SUB_MIC_P

EAR_ADC_3.5

L_DET_OUT

EAR_MIC_N EAR_MIC_P

PMIC_INTN

CODEC_INT

C412

PMU_SCL PMU_SDA

PWR_KEY

C413

C414

C468

VREG_1V8

V_SYS

VREG_1.2V

C430

1 3 4 C

7 3 4 C

1 4 4 C

4

5

2

4

5

4

6

8

2

1

4

1

F

J

K

C

B

C

F

B

H

G

P

T

2

1

4

3

5

N

O

C

N

I

V

E

K

V

E

V

D

L

H

C

H

D

_

D

U

D

O

V

G

B

D

B

D

C

H

V

D

C

D

V

C415

VREG_1V8

C432

1

2

6

H

K

1

P

K

N

V

P

I

L

S

V

_

D

D D V

D

V

2

1 C

2 N I V

2

1

7

2

1

2

6

7

2

3

7

2

1

F

L

F

J

B

C

E

B

A

D

A

3

2

4

2

1

5

3

7

1

3

1

4

6

5

2 1

B

N

B

O

O I V

O

N

O

N

D

I

L

D

V

L

V

V N I V

U401

88PM820-A1-EAD2C000-P162

A

S

K

4

5

P

2

1

3

P

1

N

3

1

S

A

S

C

D

N

S

N

G

S

G

S

G

P

V

P

G

A

P

V

G

P

5

3

0

3

0

4

5

4

5

9

4

7

4

1

L

F

E

G

B

K

A

E

B

K

D

A

C408

C427

C429

C428

C424

CHG_DET 3M_CORE_1V3_FB V_DIGRF_1.8V_FB

VREG_1.2V_FB VREG_1V8_FB

VCORE_MAIN_1.2V_FB

V_BAT_SW_SENSE1

R408

VF

RCV_N RCV_P

TP_PMIC_INTN

R419

8 8 E

D

S N S _ T A B V

D5

GPADC0

D6

GPADC1

E7

GPADC2

D9

GPADC3

K3

GPIO0

H4

GPIO1

L2

HDET

L10

AUX1N

J11

AUX1P

G10

AUX2N

K9

AUX2P

K14

EARN

L14

EARP

H15

HP1

E15

HP2

J12

MICCLK12

H10

MICCLK34

J13

MICDAT12

J10

MICDAT34

K12

MICVDD12

K10

MICVDD34

G13

AMICNEXT

F12

AMICPEXT

D7

MIC_DET

H8

PMICINTN

K5

I2C_SCL

G7

I2C_SDA

D10

PMODE

B6

PWM

C10

CODECINTN

E10

ONKEYN

GND_HS_SENSE

C

3M_CORE_1V3_FB V_DIGRF_1.8V_FB

VREG_1.2V_FB

VREG_1V8_FB

VCORE_MAIN_1.2V_FB

L402 L403

L404

1

2

1

8

5

8

9

8

2

1

3

4

6

1

L

B

A

K

A

E

K

D

A

G

A

2

1

4

8

3

1

9

5

3

4

1

2

0

1

X

1

X

X O D L V

5 3 D N G P

5 B

X

O

V

O

O D L

D

L

L V

V

5

1

L

A

_

C

N

5

1

2

1

L

A

L

A

V_SYS

R486

VREG_1V8

C434

C435

C436

3 3 4 C

2 4 4 C

C444

1

6

9

4

3

6

1

J

B

C

E

H

D

K

S

C

T

N

W

I

Y

S

U

O

S

_

S

V

2

O

T

A

N I

V

_

V

U

V

2

1

O

V

F

V

1

E

F

R

E

V

8

R

V 1

V

_ A

J14

m 0

REFCCURR

0 2

F13

REFCLK_IN

F5

C445

REFCLK_OUT

L13

REFDAC

K4

RESETOUTN

L12

XTAL1

L11

XTAL2

H6

CLK32K_1

B11

TP_HIFI_SDATA_OUT

SDI1

C11

SDI2

C12

TP_HIFI_SDATA_IN

SDO1

B13

SDO2

G6

TP_SYS_CLK_EN

SLEEPN

L9

SPKN

L8

SPKP

F7

SVC1

H7

SVC2

J15

ANANEG

K15

C449

ANAPOS

B12

BCLK1

D12

BCLK2

C15

CFNHV

A14

CFNLV

B15

C451

CFPHV

A13

CFPLV

G5

TP_LVL_SEL_1

DVC1

H5

TP_LVL_SEL_2

DVC2

A12

TP_HIFI_SYNC

FSYN1

C13

FSYN2

G8

PDM_SCL

F10

PDM_SDA

0 4 C

TP_HIFI

C443

TP_SVC

TP_PDM_SCL TP_PDM_SDA

1

3

2

7

4

C

VCORE_MAIN_1.2V

VREG_1.2V

V_DIGRF_1.8V

VREG_1V8

C418

C420

C419

C421

R409

REFDAC PMIC_RST_OUT

SYS_CLK_EN

SPK_N SPK_P

REFDAC

C453

VLT_LVL_SEL1 VLT_LVL_SEL2

HIFI_SYNC PCM_SYNC

HIFI_SDATA_OUT PCM_TXD HIFI_SDATA_IN PCM_RXD

C448

HIFI_BITCLK PCM_CLK

CLK_32K_8787 PMIC_32KHZ_OUT CLK_32KHZ_AGPS

OSC400

2

1

7

6

4

C

JIG_ON_N

R415

JIG_ON_N

R416

3

1

Q402

2

R412

Active L

IF_CON_SENSE

V_USB_BLOCK

V_SYS

R410

must be NC

R411

R413

CHG_DET

1

U

8

9

1

0

9

1

5

3

6

R

5

3

7

R

L402

TP_PDM_SCL

0

R182

R

C337

TP_SLEEP_I ND

T

P

_

G

J T

P

A

I

G

O

_

S

1

E

2

L

4

1

8

6 L40

C737

C738

R638

R639

TP_HIF I _ SDATA_ O UT

T P _

3

5

7

2

C

H

R

I F I _ S Y

C426

R 489

R

9

1

N C

C431

C437

C471

R 419

0

C451

C453

C42

C42 1

1

0

C411

C41

40

407

C413

C

468

U

C415

C

4

3

C

4

C 416

C432

C 440

52 3

C

3

4

6

R

0

4

9

R

TP_PDM_SDA

T P

C

2

4

7

_ H I F I _

C441

C448

S

C

2

4

8

D A T A _ I N

40 2 C

C423

C 438

C530

44 9

C445

C

40 0

OS C

C446 C447

C414

C 408

41 2 C

C 406

5

C

3

4

3

C 409

C425

C 470

C472

7

8

9

3

2

7

6

8

U180

1

C

R

C N Y

R190

S _ I

TP_HIFI_SDATA_OUT

F I H _ P T

R191

R375

9

6

7

8

2

3

4

3

R356

C

R

C

R192

R357

9

1

7

1

L E

2

1

3

7

1

S

_

4

O

G

I

TP_SLEEP_IND

A

P

T

C

R

J

G

_

P

T

1 C53

R520

TP_PDM_SCL

L404

3 2 3 C

4

C

7

1

4

C

9

1

4

R

8

C 403

C422

N I

3

_ A

2

T

C436

A

5

D S

TP_PDM_SDA

_ I F I H _ P T

2

0

C427

1

3

4

5

0

1

2

0

4

L

2

C418

C45

4

5

6 0 4 L

L40

4

2

C

C45

C469

C428

4

C

0

1

1 4

4

C

7

3

1

0

4

C

8

5

1

6

4

C

C443

6 1 4

2

3

2

0

2

3

4

C

4

C

0

1

0

R409

R

2

3

0

2

9

5

6

R

4

C

5

8

9

4

C

0 0

C442

7

4

4 C

C S

6

1

0

4 U

0

8

7

3

4

C

5

4

O

4 C

0 4 L

8

4

C417

0

1

4

C

3

6

2 1

0

4

0

C

C419

4 L

R485

C433

9

1

C444

3

5

0

9

0

2

TP_LVL_SEL_2

1

2

4

_

2

7

C

L E

4

R

C

V

C

S

C

_

C

S

L V

_

L _

P

P T

T

3 L40

4

C

4

TP_LVL_SEL_2

R491

SV C

T

TP _

P _ L V L _ S E L _ 1

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’swritten authorization is strictly prohibited.

Level3Repair

8-3-2.

Initial(Lock up)

Initial Failure(Lock up when booting)

Re-download SW the phone.

Check the AP Reset

Check the oscillator clock waveforms.

32.768

OSC400 is operating when

phone is not in sleep mode

Download success

RESET_INn

R340 or R339)

(

Yes

KHz:OSC400.

No

Abnormal

If Phone do not go download mode, boot code area

of EMMC is damaged.

It need to change the UME300(EMMC)

Change the UCP300/change the PBA

Check the OSC400.

Crack, open etc.)

(

Check the output clock waveforms and frequency.

Test condition(Oscilloscope setting)

※

us.div(time division)

:20.0

@ 32.768

Khz

Normal

Change UCP300, U401

Abnormal

Change PBA

END

8-7

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’swritten authorization is strictly prohibited.

Level3Repair

3

2

C

3

C

2

8

V

1

_

R

G

V

E

0 8 3 R

P

L

_

U

O

V

L

_

D

N

O

V

N

O

_

O

S

P

G

_

A

P

A

E

S

_

R

S

P

G

_

A

P

A

N

_

L

C

D

_

1

E

_

L

C

D

_

3

N

E

T

C

_

S

H

G _

C

H

E

I

F

I

_

W

3

G

_

I

C

A

_

N

S

T

D

_

D

_

1

2

O

P

_

G

I

P

T

N

C

_

E

H

G

n

V

1

8

_

R

G

V

E

3

R

2

3

C

L

_

S

N

S

E

A

N

_

S

D

E

S

3

4

R

1

C

L

U

_

S

M

P

D

A

U

_

S

M

P

3

R

C

L

S

2

C

_

3

_

I

1

M

D

A

2

C

_

S

3

_

I

1

M

T

_

R

S

R

D

A

I

N

T

D

I

U

C

T

N

_

D

O

E

C

O

3

2

R

4

C

H

_

I

N

T

U

O

_

T

R

F

V

1

_

R

G

V

E

2

6

3

R

C

L

_

S

U

S

M

D

A

M

_

S

U

S

n

D

_

P

N

L

A

W

H

D

N

n

S

_

G

P

T

_

G

P

T

3

2

8

R

_

I

2

C

_

S

C

L

3

M

_

S

D

A

_

I

3

M

2

C

_

T

L

S

P

C

S

A

D

P

_

T

S

G

V

E

R

8

V

E

1

_

R

G

V

U

T

_

O

T

_

R

S

G

J

A

T

_

N

T

R

S

_

T

I

P

R

U

T

_

O

T

R

S

C

_

I

M

P

2

3

4

R

C

K

L

O

_

B

S

B

_

U

V

4 4 3 R

5 4 3 R

E

_

K

E

M

O

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2

8-8

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’swritten authorization is strictly prohibited.

Level3Repair

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1

8-9

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’swritten authorization is strictly prohibited.

Samsung SM-T230, Galaxy Tab 4 Schematics PSPEC

Specifications and Main Features

Frequently Asked Questions

User Manual