Samsung C3730C Troubleshooting

Flow Chart of Troubleshooting

9.

Baseband

9-1.

Power ON

9-1-1

' Power On ' does not work

Yes

Check the Battery Voltage

is more than 3.4V

Yes

C432 (VINT) = 2.55V?

Yes

Check the Clock at

OSC400=32.7KHZ

Yes

R414(VDD_IO_LOW_1.8V) & C414(VDD_IO_HIGH_2.9V) =

"H"?

Yes

No

Change the Battery

No

Check the PMU related to VINT

No

Resolder OSC400

No

Check the related circuit

L402(VDD_GSM_CORE_1.2V)

=1.2V?

Yes

Check the initial operation

Yes

END

No

9-1

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Check the VDD_GSM_CORE_1.2V

circuit

Flow Chart of Troubleshooting

2

_

V R

_

V

1

_

3

0

3

A

G2_RSTn

VDD_IO_LOW_1.8V

O

V

C

8

_

. 2

M

_

E

X

M

T

_

D

V

VDD_IO_LOW_1.8V

R411

GSM_REF_OUT G2_REF_ON DVM2

G2_REF_ON

SCL1 USB_SUSPEND SDA1

8

_

.

V

2

H

8

V

.

_

8

G

2

.

I

X

_

2

T

H

_

N

_

X

Y

X

O

I

R

S

R

_

D

V

C432

VHIGH_3.3VVHIGH_3.3V

ISET

R413

R O

TP502

C _ M S G _ D D V

L402

L403

C433

SIM_OFF

32KHZ_DIGIT

C437

RSTON

C

2

0

5

C

4

3

6

0

5

C

O S C 4

0 0

8 0 4 R

4

3

2

5

3

4

5

2

3

1

A

B

2

1 D

D

A

C

S

T8

SPI_RF(2)

SPI_ABB(2)

LCR_SW3

G2_26MHZ

32KHZ_DIGIT

512CLK G2_INT

INT_GSM_F

LCRSUBF_INT

R414

G2_REF_ON

SEN1

T7

SEN2

T14

SEN3

Y16

SEN4_RFSIGO6

E7

BP_CKI_PLL1

G8

BP_CKI_PLL2

F7

BP_CKI_PLL3

B1

CKI

A2

CLK32KI

C2

CLKSEL

C17

CSOUT_N

AA14

DACLK

N6

GPMDMINT

M6

GSMFINT

V19

HDP0

Y18

HDP1

W19

HDP2

Y21

HDP3

W18

HDP4

W20

HDP5

U19

HDP6

U20

HDP7

V20

HDP8

T19

HDP9

T21

HDP10

T20

HDP11

R21

HDP12

P19

HDP13

R19

HDP14

R20

HDP15

N19

HDP16

P20

HDP17

L19

HDP18

N20

HDP19

M19

HDP20

M20

HDP21

K20

HDP22

L20

HDP23

J20

HDP24

J19

HDP25

K19

HDP26

H20

HDP27

H19

HDP28

G20

HDP29

F20

HDP30

G19

HDP31

E20

HDP32

E19

HDP33

F19

HDP34

D20

HDP35

D19

HDP36

E21

HDP37

C20

HDP38

C19

HDP39

N5

LCRSUBFINT

AA6

LVDS_RX_I_N

Y6

LVDS_RX_I_P

AA7

LVDS_RX_Q_N

Y7

LVDS_RX_Q_P

AA8

LVDS_TX_I_N

Y8

LVDS_TX_I_P

AA9

LVDS_TX_Q_N

Y9

LVDS_TX_Q_P

TP401

W8

REFV_VRA1

W7

REFV_VRA2

M5

REF_ON

W17

RESET_N

U3

RFSIGIO0

V3

RFSIGIO1

6

4

5

7

6

8

3

4

7

1

C

B

C

A

B

C

4

7

3

6

8

5

9

0

1

0

1

N

2

N

B

_

T

D

1

D

1

D

1

A

_

S

D

T

D

V

M

R

C

A

D

A

D

A

D

C

D

U

C

A

C

A

D

C

A

S

D

B

S

C

S

C

S

C

A

K

S

L

C

S

C S

0

5

6

7

6

5

8

7

6

9

1

C

A

C

B

C

B

C

B

2

5

6

3

8

7

4

9

2

0

1

A

1

A

1

A

T

A

T

A

T

A

D

C

D

C

D

C

S

C

S

2

1

0

4

7

6

5

1

U

T

Y

C

A

U

1

2

3

1

5

4

3

K

A

1

7

L

T

A

O

C

A

T

G

S

I

D

A

S

D

F

C

R

S

_

4 K

L C S

UCP400

2

6

5

6

5

1

K

U

W

K

3

2

C

A

8

T

O

A

G

D

I

S

F R

_

4 A

T A D S

1

4

3

2

1

2

3

1

7

1

5

1

6

5

7

1

J

L

A

M

Y

W

A

I

O

D

1

0

3

5

4

6

8

2

7

P

T

D

V

T

R

E

_

I

D

K

O

D

T

C

D

T

6

7

0

7

5

2

7

5

7

2

6

7

6

1

J

L

K

H

A

G

W

S

I

C

9

N

P

3

2

1

B

M

P

K

D

_

I

V

L

T

V

T

C

D

R

S

E

L

_

E

_

S

L

V

_

P

_

A

D

R

_

S

N

A

T

D

A

M

_

D

T

V

D

S

V

R

T

1

3

8

1

A

C

D

V

4

2

1

7

1

4

1

3

1

2

1

2

1

2

A

L

H

A

D

A

V

A

C

A

B

W

A

1

2

1

2

1

C

E

S

E

D

V

D

V

L

V

_ E

N9

D D

D1D2VIN

V

N1

D1VDD

M1

D2VDD

M2

D2VDD

L9

D3D4VIN

J1

D3VDD

G1

D4VDD

J9

D5D6VIN

E1

D5VDD

E2

D5VDD

A8

D6VDD

G21

DCD1FB

H21

DCD1LX

J21

DCD1LX

L15

DCD1VIN

N21

DCD2FB

L21

DCD2LX

M21

DCD2LX

M15

DCD2VIN

W1

GPO1VIN

Y1

GPO2VIN

A9

HCVDD

J10

HCVIN

F1

IOVDD

F2

IOVDD

K9

IOVIN

N17

LCVDD

N13

LCVIN

U10

MICBIASVDD

N11

RF1RF2VIN

V1

RF1VDD

U1

RF2VDD

N10

RF3RF4VIN

T1

RF3VDD

R1

RF4VDD

K1

USBVDD

K2

USBVDD

M9

USBVIN

N7

USIMVIN

N15

VBAT

P15

VBAT

P1

VCC

R14

VCHG

R15

VCHG

R12

VHIGH

H5

VINT

U12

VINT

U15

VINT

R10

VSAVE

R13

VBUS

P17

VBATSENSE

E13

USIMACT

F12

USIMPRES

T15

CCSET

A20

CLK32K

G17

GPIO1

H17

GPIO2

G16

GPIO3

H16

GPIO4

F17

GPIO5

F16

GPIO6

R8

GPO1

R9

GPO2

L17

INT_N

E12

ONKEY_N

AA20

OSCI

AA19

OSCO

J15

PWREN1

J16

PWREN2

J17

PWREN3

K16

PWREN4

K17

PWREN5

T17

REC1_N

R16

REC2_N

U11

REFC

R11

REFGND

F14

RSTHC_N

M17

RSTMEM_N

E5

SCL

R17

SCUSB

F5

SDA

105

C 5 0 6

C513

C511

C510

V 8

. 2 _ X T _ D D V

AUX_ON

6

_

H

_

V

.

W

V

2

0

.

1

3

_

L

M

I

L

S

P

_

D

V

D

3

.

O

3

L

_

B

R

S

C

U

L

_

D

V

H

2

G

W

I

E

_

V

G

I

O

H

L

V

2

A

V

.

_

L

H

3

6

F

.

1

.

_

Y

_

R

3

H

_

2

E

O

C

O

_

I

O

L

K

_ D D V

H

_

D

C

_

D

G

D

I

D

V

D

H

D

V

A

V

C413

C414

C415

C440

C441

C442 C416

C417

C418

C419

C420

C421 C422 C423

C424 C425 C426

C427

C428 C429

T N

I V

BAT400

C430

C431

C434

R412

C435

IT_PMU KEY_POWER_ON

C436

OSC400

R806

H103

T

C416

C400

L

4

0

1

C518

R512

2

C

4

6

C408

8

0

C409

4 R

4

R

7

0

2

4

0

4

L

C

L

4

0

3

7

1

4 C

C438

C

8

4

2

C433

C421

C

7

4

2

C441

C418

T P

C420

C

4

0

5 0 0

L

4

2

0

C

1

4

4 0

C

3

U 4

0 2

R 4

2

1

4

C

2

7

1

3

1

8

4

C

R

4

C

4

1

0

1

4

C

0

4 P C U

9

5

4

6

0

9

1

4

C

1

2

4

C

2

3

4

1

C

4 C

9-2

C435

6

0

9

1

5

R

8 R

0

2

5

R

4

5

2

4

C

C 4

3 1

4

R

2

1

R413

C 4

3 0

4

R

4

1

R 4

1

4

C

6

0

4

C

7

0

C 4

4

5

C437

1

0

R 2

4

1

P

3

T

0 0 4 P T

2

1

2 R

R 2 1 4

2

3

2

4

C

9 1 2 C

C3

3

0

3 C

0

L3

0

0 C 3

0

7

1

0

1 3 C

C 3

1

4

C 3

1

5

R202

C

R

2

0

4

3

R200

C

R

2

0

3

1

2

C

8

1

C211

R100

5

C

0

1

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-1-2.

Initial

Initial Failure

Yes

C438 (RSTON) ="H"?

Yes

UCP500 pin C13

(RSTEXT_N) TP503

="H"? OK?

Yes

Check the 16bit data signal

&memoryCE

No

Check the circuit related to reset

No

change UCP50

END

Yes

9-3

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

GPIOA25

USB_VBUS

UCP400

VSAVE

VBATSENSE

USIMACT

USIMPRES

CCSET

CLK32K

ONKEY_N

PWREN1 PWREN2 PWREN3 PWREN4 PWREN5

REC1_N REC2_N

REFGND

RSTHC_N

RSTMEM_N

SCUSB

SHUTDOWN

ADCIN1_D7_DNU

ADCIN2_A29_DNU

ALMSENSE_B36_DNU

D7D8VIN_B20_DNU

D7VDD_A25_DNU D8VDD_A24_DNU

DCLX_A18_DNU DCLX_A21_DNU

DCUDFB_B17_DNU DCUDMODE_B18_DNU DCULEDFB_A17_DNU

DCULED_A15_DNU

GPIO7_B40_DNU GPIO8_A50_DNU

H5

VINT

U12

VINT

U15

VINT

R10 R13

VBUS

GPIO1 GPIO2 GPIO3 GPIO4 GPIO5 GPIO6

GPO1 GPO2 INT_N

OSCI

OSCO

REFC

C433

P17 E13

F12

T15 A20 G17 H17 G16 H16

F17

F16

R8

R9

L17 E12 AA20 AA19

J15

J16

J17 K16 K17

T17 R16 U11 R11

F14 M17

E5

SCL

R17

F5

SDA

G11

G9 G10

U9

F10

F9

E9 E14 E11

F11 E10

F13 E15

T13 U13

U7

32KHZ_DIGIT

C437

C438

VDD_IO_LOW_1.8V

SIM_OFF

GSM_REF_OUT G2_REF_ON

DVM2

G2_REF_ON

RSTON

R411

ISET

SCL1 USB_SUSPEND

SDA1

C432

VHIGH_3.3VVHIGH_3.3V

R413

R412

AUX_ON

T N

I V

IO_LOW_1.8V

KEY_COL(0:4)

_REF_CLK_26M

MIC_BIAS

_IO_HIGH_2.9V

R507R506

RX_TX_QN

R503

KEY_ROW(0:4)

C520

RX_TX_IN

RX_TX_IP

RX_TX_QP

CIF_CAM_RST

HDP_TRCPKT(0) HDP_TRCPKT(1) HDP_TRCPKT(2)

GSM_REF_ON

SLEEP_VDD_EN

G2_REF_ON

KEY_COL(0) KEY_COL(1) KEY_COL(2) KEY_COL(3) KEY_COL(4)

USB_SUSPEND

KEY_ROW(0) KEY_ROW(1) KEY_ROW(2) KEY_ROW(3) KEY_ROW(4)

KEY_ROW(5)

C521

RF_CLK

RF_DATA

PON_PA

INT_GSM_F

POWER_DOWN_4220

BAND_SEL

MODE_SELECT

AMP_ON

CAM_Y(7)

G2_INT

MIC_N MIC_P

RF_EN

RTCK

H3

GPIOA26

J3

GPIOA27

L2

GPIOA28

J2

GPIOA29

K2

GPIOA30

K3

GPIOA31

T18

GPIOB2

A2

GPIOB5

F10

GPIOB8

F11

GPIOB9

F9

GPIOB10

E3

GPIOB11

A15

GPIOB13

C14

GPIOB14

A14

GPIOB15

B12

GPON0

V3

GPON1

U15

HFR1 HFR2

R513 R514 R515 R516 R517

R518

TP503

HFR1

T15

HFR2

J9

IN

K9

IP

J10

QN

K10

QP

T7

JDIR

V2

JROT

C12

JSEL0

C10

JSEL1

Y7

KCOL0

AA6

KCOL1

AA5

KCOL2

Y6

KCOL3

Y4

KCOL4

Y5

KCOL5

AA8

KROW0

AA9

KROW1

Y10

KROW2

Y8

KROW3

Y9

KROW4

AA7

KROW5

F1

MCLK

T17

MCLKSEL

P10

MICBIAS

AB8

MICN

AB7

MICP

G9

MSDATA1

G10

MSDATA2

G11

MSDATA3

AB2

R504

REF26MI

B13

RESET_N

K15

RFCMCLK

J13

RFCMDATA

J14

RFCMEN0

K14

RFSIG2

K13

RFSIG6

W2

RFSIG7

B14

RSTBB_N

C13

RSTEXT_N

G14

RTCK

J16

RXTXDATA

J15

RXTXEN

R3

SCL1

P3

SCL2

R2

SDA1

P2

9-4

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

C

4

0

6

C501

P

3 0 5 C

BOTH105

C 5 0 6

C513

C511

C510

0

3

R

TP502

5

1

0

R

5

T P 5 0 3

TP501

C

2

5

0

C

4

3

6

C

0

5

0

O S C 4

0

U500

TAC800

5

0

C433

C518

R512

2

6

4

C

C408

8

0

C409

4 R

0

7

R

4

C438

8

2

4

C

2

4

0

4

4 L

C

C421

L

4

0

3

0

4

C435

7 1 4

C

6

0

9

R51

8 R

0

R

5

2

C 4

3

1

R

2

4

1

R413

C 4

3

0

1

4

R

4

R 4

1

C304

3

0

3 C

3

0

R

0

L300

3

0

C

0

C 3

0

7

3

0

C

1

0

1

3 C

C 3

1 4

C 3

1

3

0

U

3

0

R

1

C302

3

1

C

1

9

0

3 C

L303

0

L

1

3

C 3

0

5

C306

2

3

0

L

C308

L304

C319

BOTH102BOTH103

2

1

3 C

3

1

9-5

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-1-3.

SIM Part

pin3 of SIM700 in a few second

Phone can't access SIM Card

Yes

SIM700 pin 1 = "H"?

Yes

AfterPowerON,

Check SIM_CLK Signal on

Yes

No

Resolder or replace SIM700

No

Check the Clock

After SIM card insert,

SIM700 pin 2 = "H(SIM_RST)"?

Yes

Check the SIM Card

Yes

END

No

Replace PBA

9-6

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

7

M

O

T

O

R

7

0

O

R707

VDD_SIM_3.0V

R707

BOTH105

SIM_IO

R715

SIM700

11

66

22

SIM_RST

SIM_CLK

C710

C726

33 44

C711

55

G

78GG910

ZD703

SIM Connector

7

0

1

5 0 7 L

SC103

C

R

4

0

6

1

C

6

1

M O D 1

C 6

0

2

C

R

1

C

4

3

5

6 0 2

C608

L 6 0

C603

2

C

6

0

4

9

0 0 6

0 0

C

6 R

R 6

7

0

4

6 C

C605

C515

C514

C519

C501

1

0

6

1

0

R

C521

C

R

5

0

4

5

1

6

5

R 6 0 1

1 0 6 C

R 5 1 3

1 1 5 R

3 0 5 C

C 5 0 6

1

8 1 6 C

0

C

1

6 1 7

6 U

C 6 2

0 C 1 4 4

C 6

3 1

1

6

2

C

5

4

9

5

0

9

5

7

C

R

6

0

R

5

6

0

ZD706

C610

C 6 1 5

C

6

1

6

4

9

C

R

C

5

8

0

5

8

5 R

U C P 5

0

U 7

C716

1

R 7 1

5

2

C

3

4

C 6 2 1

U410

9 3 4 C

C512

0 2 5 C

R 5 1 4

R 5 0 1

R

0

5

0

0 0 5

VR500

Q

TP702

R 5 0 2

0 1 7 R

5 1 7 C

1 1 7 R

C

5

1

7

R

5

0

3

R

5

1

0

T P 5

0

3

TP501

TP502

C

5

0

2

4 3 6

C

5

0

SIM700

U500

2

6

R 7

1

5

7 C

Z

0

7

D

3

TAC801

8

D

0

4

Z

TAC800

9-7

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-1-4.

Charging Par

Abnormal charging part

Check UCP400 pin R14,

R15(C430) is around 5V when

t

Yes

charging

Yes

END

No

Check the TA

9-8

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

O

GPO2VIN

A9

HCVDD

J10

HCVIN

F1

IOVDD

F2

IOVDD

K9

IOVIN

N17

LCVDD

N13

LCVIN

U10

MICBIASVDD

N11

RF1RF2VIN

V1

RF1VDD

U1

RF2VDD

N10

RF3RF4VIN

T1

RF3VDD

R1

RF4VDD

K1

USBVDD

K2

USBVDD

M9

USBVIN

N7

USIMVIN

N15

VBAT

P15

VBAT

P1

VCC

R14

VCHG

R15

VCHG

R12

VHIGH

H5

VINT

U12

VINT

U15

VINT

R10

VSAVE

R13

VBUS

C433

P17

VBATSENSE

E13

USIMACT

F12

USIMPRES

T15

CCSET

UCP400

C 5 0 6

C513

C511

C510

C518

R512

6

C433

C416

C441

C420

L 4 0 1

0

2

8

C

C400

T

A

L

4

0

7 1 4 R

C

4

0

1

2

C

4

C408

8 0

C409

4 R

0

4

R

7

C438

C

4

2

8

2

4

0

4

4 L

C

C421

C

4

2

7

C418

T P 5

0

2 0

C

4

4 0

C

3

U 4

0

2

R

2

4

1

C

2

1

3

8

4 C

9

0

1

C

4

1

4

0

1

4

C

L

4

0

3

0

4 P C U

6

4

5

2

1

4

C

7 1 4 C

5

9

2

3

4

1

C

4 C

A20

CLK32K

G17

GPIO1

H17

GPIO2

G16

GPIO3

H16

GPIO4

F17

GPIO5

F16

GPIO6

R8

GPO1

R9

GPO2

L17

INT_N

E12

ONKEY_N

C

2

0

5

C

4 3 6

0

5

C

O S C 4

0

C435

6 0

1

9

R

5

8 R

0

2

5

R

4

2

4 C

C 4 3 1

2

1

4

R

R413

C 4 3 0

4

1

4

R

R 4 1 1

6

0

4

C

0

4

C

7

C 4

4

5

C437

1 0

R 2

4

1

P

3

T

0

4 P T

2 1 2 R

R 2 1 4

2

3

2

4

4 C

C

9 1 2 C

32KHZ_DIGIT

VDD_IO_LOW_1.8V

SIM_OFF

GSM_REF_OUT G2_REF_ON DVM2

C304

3 0 3 C

L300

C 3 0 7

0 1 3 C

C 3 1 4

C 3 1 5

R202

C

R

2

0

4

3

R200

C

R

2

0

3

1

C

8

1

2

C211

R100

5

1

0

C

R411

ISET

0

3

0

R

0

3

0

C

1

3

0

C

0

C 2

1

0

1

6

U

T N

I V

C432

VHIGH_3.3VVHIGH_3.3V

R412

R413

IT_PMU KEY POWER ON

BAT400

C434

C435

U500

0

1

3

1

3

L303

1

0

3

C306

3

L

2

0

U

3

0

1

C319

L305

2

4

1

C

0

2

1

0

2

9

C

U 2

0

1

8 1 1 L

6

7

3

1

8

C

0 2 C

9

1

2

C

2

3

1

C

L107L113

5

6

2

1

4

5

C

3

1

C

3

7

8

1

2

C

C418

C419

C420

C421 C422 C423

C424 C425 C426

C427

C428 C429

C430

C431

RST

TAC800

R

C302

C

9 0 3 C

L

C 3 0 5

C308

L304

1

4

1

BOTH102BOTH103

2

1

3 C

3 1 3 C

0

5

2

1

2

C

R

P A M

1

0

C

7

9

1

0 2 1 C

C119

A

1

T

0

9-9

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-1-5.

Microphone Part

Microphone does not work

Check the connection

from MIC

Check the circuit

from UCP500 to MIC

Yes

No

Reconnect MIC

Resolder the R601, R604, C623, C624, C625,

C626

Check the MIC

Yes

END

No

Replace the MIC

9-10

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

C

4

3

9

C

7

Close to MCP

MIC_BIAS

MIC600

L 6 0 2

0 0 6 C

R 6

0

4

Close to MIC FPCB PAD

L603

3

0

6

0

2

1

0 0 6 D Z

C626

1

0

6

D

Z

C623

1005

L604

S

6

4

0

1

C

R

1

6

C

M O D

C 6

0 2

R 6 0 2

C608

C603

C

6

0

4

9

0

6 R

7

0

6 C

C605

1

0

2

C 1

C

4

3

5

1

0 6 R

1

0

1

C521

C

R

0

5

R

4

5

1

6

5

R 6

0

1

0

6 C

8 1 6 C

C 6 1 7

0

1

6 U

C 6

2

0

C

1

4

C 5

0

7

C

3

6

1

6

4

2

C

C 5

4

9

0

9

5

C

R

0

5

6

R

6

0

6

R

ZD

C610

C

6

1

2

5

1

C

6

1

6

9

C

C51

C

R

5

0

8

0

2

0

5

C

R

3

0

6

0

C624

C625

ZD102

Z D 1

0

1

A N T

1

0

2

R600

3 0 6 0

6

5

3 0 6 0

0

M O D

1

0

1

0

C600

5 0 0 1

C601

0603

3 0 6 0

3

9

1

C

C122

2

1

L

F

1

0

1

C 1 0 9

P

T

C112

P

T

C607

R101

3 0 6 0

1

2

0

1

P

T

0 8 R

C107

0

1

C

1

2

1

C

6

1

2

C

0

1

P

T

R102

1

C

MIC_P

C605

MIC_N

0 0 8 R

C625

4 0 6

3

1

0

R

L

6 1

3

ZD601

C

3

0

3 U

2

0

3 U

3 0 6

C624

L

C623

C626

0

6 D Z

L

6

0

5

6

2

3

0

6

D

Z

R601

R604

C118

C 1 4 7

5

4

0

0 1

1

R

SC101

9-11

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-1-6.

Speaker Part

Speaker does not work

Yes

U610 pin C3 = H

Yes

C506 = 2.6V ?

Yes

C507 = VDD/2

No

Resolder or replace U701

No

Replace UCP500

No

Replace UCP500

Yes

Is Speaker working?

Yes

END

No

Change the Speaker

9-12

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

VDD

EAR1

EAR2

EARSPK_L

EARSPK_R

SPK_P SPK_N

C617

LIN1 LIN2

RIN1 RIN2

HPOUTL HPOUTR

SPOUT+ SPOUT-

RECV+ RECV-

VBATT_4.2_3.3V

5 B

D D V A

U610

YDA158-PZE2

D

N

G

P

D

A

C

4

1

C

A

C

C611

5 0 0 1

1

4 F

E

D

V

P

P S

H

REFCP REFHP

PROTN

D N G

C

P

N

S

5

2

1

F

MIN+

_RST

VREF

VREG

C612

1005

A4 B4

C614

MIN-

CP+

CP-

CAP SCL SDA

1005

C2

C615

1005

D2

D1

E2

C3 D3 D5 C5 A5 B1 D4

06031005

C619 C620

EAR1

EAR2

AMP_ON

SCL1

SDA1

1005

C621

VDD_IO_HIGH_2.9V

C610

5 0 0 1

C613

C616

R605 R606

5 0 0 1

C618

5 0 0 1

B3

1005

B2

A3

1005

A2

1005

F2

1005

F1

E4 E5

E3 F3

AVDD_HFA_2.6V

C506

VDD_IO_HIGH_2.9V

VDD_IO_LOW_A_1.8V

C507

2

1

F

C

E

N

R V

VDD_SIM_3.0V

V 6

. 2 _

D D V A

3

9

7

1

W

P

U

N

F

R

O

B

E

P

B

V

1

R

V

D

E

D

V

D

V

4

2

1

6 G

R P 1 E D D V

1

B

Y

A

5

4

E

D

V

VDD_IO_HIGH_2.9V

VDD_USB_3.3V

3

1

8

2

P

F

M

Y

3

2

E

D

V

VDD_IO_LOW_A_1.8V

2

1

9

2

U

D

U

1

2

1

E

D

V

9-13

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

VDD_PLL_1.2V

AVDD_2.6V

8 0 5

C

0

3

7

2

6 2 T

1 E D D V

7

0

1

2

P

1 E D D V

B

A

E

L

K

A

1

1 E D D V

E

D

D D

D

V

6

2

9

1

2

1

T

L

A

U

K

U

C

L

G

D

C

D

V

D

V