Samsung SGH-i8910, GT-i8910 Troubleshooting

Flow Chart of TroubleShooting

9.

Logic Section

9-1.

9-1-1 :

No Power

Press PWR KEY

pin4

U405

output high?

YES

U408 pi

output high

n2

NO

Check pin1 and pin2

if One of them is low,

replace board

NO

?

Replace U408

YES

TR403 pin3

output low?

YES

TR402 pin1 VBAT

output

>3.5

V?

YES

END

NO

Replace TR403

NO

Replace TR402

9-1

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Flow Chart of Troubleshooting

PS_HOLD_PU

SYSEN

5 1 4 R

R500

TA501

V_BAT

VREG_TCXO_2.85V

VIO

R450

V_EXT_FET_BOOT

U405

1

A

2

B

3

GND

9

3

R927

R431

U407

6 0 9 U

0 0 5 C

8 0

3

5 R

9 5 C

5

1

0

R

7

U 4 0 5

4 0 4 U

6

VCC

5

NC

4

Y

ON_SW

IF_CON_SENSE

C

6

9

3

C

C946C947

R

4

5

3

0

3

TR403

8 0 4

U

B A T 4 0 0

1 0 4

D

C426

R407

U 3 0 1

C

6

0

8

7

4 0 6 U

3

0 0 3 U

M

A

R

P

_

D

0 6

U

R 6

R330

3 0

R332

n

I

T

N

D401

2

3

1

U408

1

3

4

5

2

BH903

BOTHHO L

6 5

4

2 1

TA401

D402 PZU5.6B

3

2

C 8 1 7

U803

C 8 1 8

0

2

TR403

C 8 1 4

U802

4

R

T

1

G3

R433

C 8 1 5

U805

T A 4 0 2

TR402

5

1

2

D

ZD513

C 8 3 5

Z D 7 0 3

Z

3 0 7

W S

VBAT

TA402

9-2

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Flow Chart of Troubleshooting

9-1-2 :

Abnormal initial operation(Normal

Press PWR KEY

TP_590

is exist?

YES

voltage level

C576

= 1.1~1.3

C581

voltage level

=1.8

V?

YES

V?

+4.0V

NO

voltage source)

Check OSC

neighboring circuits

Check

and neighboring

L507

circuits

and neighboring

L509

circuits

501

and

YES

TR401 pin3

output isasserted?

YES

pin4

U301

output isasserted?

YES

END

NO

Check TR401

and neighboring circuits

Check

and neighboring circuits

if necessary change the board

U301

9-3

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Flow Chart of Troubleshooting

C553

T4

VIO_L

R4

T3

D15

E14

C15

C14

D14

B15

D N G _ 2 D D V

VIO_IN

VIO_GND

VDD1_L

VDD1_IN

VDD1_GND

VDD1_L

VDD1_IN

VDD1_GND

OSC501

21

VIO_L

VIO_IN

C554

VBAT

32KCLKOUT

VBAT1

C575

C561

P16

32KXIN

P15

32KXOUT

TP_590

L _ 1 D D V

N10

32KCLKOUT

T6

CP_CAPM

T7

CP_CAPP

R6

CP_GND

R7

CP_IN

N7

ICTLAC1

P2

ICTLAC2

P6

VDD1

VDD1_OUT

L507

C576

VBAT1

VBAT

C578

2 D C

A

|

K

T

1

L

A

_

C

D

OI

R

P

E

D N G _ O

I V

2 R

T U

N

O

I

L

_

O

I

V

3

N

P

R

T

_

G

A

T

J

5

6

1

A

B

T

G

S

A T

E

J

T

2

1

A

N

E

G|

B |

B|

S

I

K

D

M

C

T E S E

2

R

1

V

_

V

T

S

E

T

6

1

T

A

T U

N

O

I

_

1

C

S

C

A

S

A

V

D

A

V

2

5

1

L

E

K

1

S

V

A

7

6

4

J

3

4

2

1

S

V

A

5

0

7

1

8

1

J

C

M

R

VTV18

C577

NI _ O

I V

VIO V1DD8 VMEM18

C581

VIO_L

L509

9-4

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Flow Chart of Troubleshooting

P

VCHG

HSET_BIAS

KPD_PWR_N

MSM_INT_N

PON_RESET_N

PS_HOLD

SLEEP_CLK

C

C N D

1 1

1

D

C

N

C

N

D

N

D

1

2

G

F

K1

L4 C10 G10 F10

K9

C N D

PM_INT TP_PON_RESET_N

PM_INT_N PON_RESET_N

MSM_PSHOLD

SLEEP_CLK

V2DD6

R332

3

2

1

TR401

FONE_ON

PON_RESET_N

nMSM_RST26

L212

L211

1

A

VCC

2

B

3

GND

NC

6

5

4

Y

R300

FONE_RST

U301

2

0

4

R

C220

3 1 3 R

T H 3 0 0

1 1 3 R

0

_

5

9

P

T

MOD200

SWB-T19

7

L

2

0

O S C 2

N I D _ I P S

0

_ N A L W _ P

T

0

U O D _ I P S _ N A L W _ P

X

T

S C _ I P S _ N A L W _ P T

2

0

2

R

2

0

5

R

2

1

2

C

_

N

W

E

_

M

P

L

N

A

C217

0 1

6 0

2

L

C

9-5

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Flow Chart of Troubleshooting

5

2

7

2 0 9 R

6

7

1

C515

1 2 9 C

R

C566

5

C

C 5

3 0

7

9

R

4 5

1

5 C

0 5 C

C

S

5 5

O

3

5

7

C

5

3

4

C

5

7

0

C

5

7

5

C

5

3

2

C

2 1 5 R

8 0 5 L

C528

C533

6

8

3 1 5 C

C581

5

C

4

1

L 5

C 5 6 1

0 9

SYS_OFF_MODE

1 0 4 R T

3

0

2

4

C

0 0 4 C S

O

C412

4 2 4 C

C 4 1 0

5 1 4 C

1 0 4 L

C

1 0 4 C

2 0 4 L

4

2

C

4 C

0 0 4 L

1

3

0

5

U

TP_PON_RESET_N

R405

4

1

3

C

0 4

U

L 5

0 7

C576

OSC500

2

5

4

C

TP_TCXOEN

2

4

0

R

R 5 2 1

0 0 5 P T

6 2 5 C

C

7

5 2 5 C

4

2

1

5

R

C

B A T

4 0 0

8

2

8

4

5 C

N

E

G

E

5

2

R

5

C

N

E

S

Y

_

S

P

T

C426

R407

3

0 0 3

0 6

U

U 3 0 1

R330

R332

M

A

n

R

I

P

_

T

D

N

C409

R 6 3 0

9-6

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Flow Chart of Troubleshooting

9-1-3 :

Abnormal8M,CIF Camera operation

Drive Camera

CIF) U800 pin

(

U801 pin5,6

M) U802 pin

(8

U803 pin

U804 pin pin3

output Exist?

1

5,6

YES

NO

Check U800, U801, U802,

U803, U804 EN#(high?)

and neighboring circuit

CIF) SOC800

(

pin4,12,16,19

M) HDC800

(8

pin12,14,22,27

output exist?

YES

R900, R901

I2C Clk, Data

output exist?

YES

Is Camera okay?

NO

Check UCP900 and

neighboring circuit

Check UCP900 and

neighboring circuit

Change the Cam. module.

YES

END

9-7

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Flow Chart of Troubleshooting

VCAM_18IO

C801

U800

1

2

VOUT

GND

VDD

D

CE

N G

5

V_BAT

CAM_PWR_EN2

VCAM_28A

V_BAT

VCAM_18C

U801

R800

1

EN2

VIN2VOUT1

3

EN1

7

4

3

CAM_EN

VDD_MCAM_DIGI_1.8V

VDD_MCAM_ANA_2.8V

U802

1

VIN

2

GND

3

EN2

VOUT2

EN1

GND

6VOUT1

5

4

7

VOUT2

D N G

VSS

6

5

4

C803

C804

CAM_PWR_EN3

V_BAT

U803

1

VIN

2

GND

3

EN2

VOUT1

VOUT2

GND

7

VDD_MCAM_AF_2.8V

6

5

4

EN1

9-8

4 1 8

C

VDD_MCAM_ISP_2.8V

7 1 8

C

5 1 8

C

8 1 8

C

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Flow Chart of Troubleshooting

V_BAT

U804

6

PGND

5

AGND

4

CAM_PWR_EN1

R 8 0 2

C 8 1 0

C 8 1 1

C 8 1 2

0 0 8 C

O S

S 5 2 1 0 3

L 8

K X

EN

0 0 8 U

C

8

0

1

5

C

3

8

0

8

3

R

C804

1

VIN

2

SW

3

SNS

D N

G

7

A

1 0 8 U

VDD_MCAM_CORE_1.2V

L802

2 0 8 C

C 8 1 7

U803

2

C 8 1 8

0

2 3 8 C

C 8 1 4

U802

4

R

T

C 8 1 5

U805

T A 4 0 2

2

5

1

D

Z

ZD513

C 8 3 5

Z D 7 0 3

3 0 7

W S

HDC800

AXK8L30125S

C

0

8

2

C

C 8 4 2

C557

L505

C

8

4

3

5

6

2

8

C

6

5

0

3

5

7

D Z

8

2

4

8

1

C

8

6

5

0

5

5 L

C

2

1

3

4

C

8

3

4

8

9

6

4 0 5 D

L

Z

8 0 2

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1

C 8 4 0

8

9

C

8

0

2

C

U 8

0 4

9-9

Flow Chart of Troubleshooting

VCAM_18IO VCAM_18C VCAM_28A

V2DD6

SOC800

CIF_CAM_RST

CAM_D5 CAM_D3

CIF_STBY

11

55

99

13 13 14

CAM_D0

SCL_CIF

PIXEL_VSYNC

CM3650_EN_N_26

PS_OUT_26 ALS_OUT

17 17 18

21 21 22

25 26 27 272828

29

5 0 8 C

VDD_MCAM_AF_2.8V

33

77

1111

1515

1919

2323 25

29

C N

2

1

3

VDD_MCAM_DIGI_1.8V

2

4

6

8

10

12

12 14

16

16 18

20

20 22

24

24 26

30

C N

VDD_MCAM_CORE_1.2V

0 1 8 C

VDD_MCAM_ANA_2.8V

VDD_MCAM_ISP_2.8V

1

2

1

8

C

PIXEL_HSYNC CAM_D6 CAM_D4 CAM_D2 PIXEL_MCLK CAM_D1 CIFPIXEL_PCLK CAM_D7

SDA_CIF

CM3601_EN_N_26

CAM_D7_28

CAM_D6_28

CAM_D5_28

CAM_D4_28

CAM_D3_28

CAM_D2_28

CAM_D1_28

CAM_D0_28

PIXEL_MCLK_28

HDC800

11

22 4

33

4

5566

7788

10

99

1111

1212

13 13 14 14

1515 1616

17 17 18 18

2020

1919

21 21 22 22

23232424

26

2525 26 27272828 29

30 30

29

C

N

2

1

3

2

1 4 8 C

5

3

6

4

8

C

8

4

3

8

C

9

0

9

1

4

3

8

C

1

2

8

C

4

5

3

2

8

C

6

2

8

C

7 2 8 C

9

0

8

2

8

C

0

3

2

8

C

VIO

R900 R901

SCL

SDA

CAM_RST_28

PIXEL_VSYNC_28

PIXEL_HSYNC_28

SDA_28

SCL_28

ISP_INT_28

PIXEL_PCLK_28

9-10

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Flow Chart of Troubleshooting

F

F703

HEA700

F704F705

7 0 8

U

9

0

9

C

C934

R 8 0 2

C 8 1 0

C 8 1 1

C 8 1 2

0 0 8 C

O S

7

0

F

2

0 0 8 U

C

8

0

1

5

C

3

8

0

8

3

R

C804

1 0 8 U

0 0

2

1

1 2 7 R

8 R

2

0

7

R

0

9

8

7

3

2

8

C

HDC800

R991

O M A

P 3 4 3 0

R 7 1 8

7

6

0

TP_162

C 9 3 3

2

7

C

7

1

0

C

9

1

4

1

0

C945

F700

0

1

9

R

9

0

R

C 9 2 2

6

5

2

8

C

U

6 1

U704

7 C

R950

C

4

3

2

1

8

2

4

8

1

C

R928

C

8

4

2

3

5

6

9 0 7 U

9

3

U C P

9 0 0

V D A n

9

2

9

C

_ C M P G _ P T

S C

9

3

2

C

_ M

C322C327

A R P D n

C923

R

C 8 3 8

R930

R929

C

0

8

2

1

C

8

9

8

3

4

9

C

0

R994

C919

C918

C

9

2

3

7

0

R907

C 9 2 5

9

2

0

C

9

1

5

6

9

4

3

C

5

0

9

R

9

4

C

4

2

9

C

T

U

9

0

4

C

L

O

A

T

_

X

S

Y

S

9

0

2

C

9

0

5

C

9

0

3

C

9

4

8

C

9

0

1

C

9

0

7

C

9

0

6

C

9

3

5

C

2

0

7

C

C 2 1 9

4 2 7 C

C 7 2 9

U 2

1

0

0 2 D

0

Z

0 0 2 D Z

4 1 7 R

C

8

2

1

2

4

C

3 0 7 C

T

N

_

I

M

2 1 1

1

7

0

F

C931

5

0

5

R

5

0

3

R

5

0

2

R

5

0

4

R

C941

C914

R

C913

9 0 8

C926

C928

C912

C910

R 9 0 5

4 2 9 C

C908

VPP

9-11

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Flow Chart of Troubleshooting

9-1-4 :

Abnormal3-Dome KEY operation

Press the key

KBC0(ZD701)

goes low to high?

YES

KBR0,1(C705,

C706) goes high to

low?

YES

NO

Change the board

Change the3-Dome KEY

END

9-12

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SOC701

Flow Chart of Troubleshooting

V_ON30

KBC0

MAIN_MIC+

MAIN_MIC-

11 33 4 4 55 6 6 77 99

NC N C

11

1 0 7 D Z

12 1 3

Z D 7 0 1

NCNC

14

22

88

10 1 0

1 0 5 L

C594

C590

C592

C520

KBR0 KBR1 ON_SW

5 6 0 7 C

0

7

C

0 1 5 L

3 0 7 R

S O

C 7 0

1

5 0 7 C

6 0 7 C

7

0

3

R

9-13

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Flow Chart of Troubleshooting

9-1-5 :

Abnormal TOUCH KEY operation

Press Touch Key

U704 pin1

output exist?

YES

C726 goes High to

Low for every

ms?

20

YES

NO

Check pin3 in U704

If high, replace U704

Change the TSP Module

U710 pin3

output exist?

YES

U709 pin

output exist?

6,7

END

NO

Replace U710

Check pin

If output exist, replace U709

2,3

in U709

9-14

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VTOUCH_3.0V

VIO

U709

1

VL

I|O_VL1

TOUCH_SCL

TOUCH_SDA

TOUCH_INT TOUCH_INT30

2

I|O_VL2

3

4

GND

VIO

U710

1

VL

I|O_VL1

2

3

I|O_VL2

4

GND

VCC

I|O_VCC1

I|O_VCC2

VCC

I|O_VCC1

I|O_VCC2

EN

8

7

6

5

VTOUCH_3.0V

8

7

6

5

R721

R722

TOUCH_SCL30

TOUCH_SDA30

TOUCH_EN

Flow Chart of Troubleshooting

V_BAT

U704

4

VIN

3

EN GND

D N

G

VOUT

5

1

2

VTOUCH_3.0V

6 1 7 C

DISPLAY_SO

TOUCH_RST

6 2 7

C

TP_LCD_READ

7

0

S W

7 0 2

D

Z

7 0 7

C

41

41 42

43

43 44

45

47

47 48

49

49 50

51 52

51

53 54

53

C

N

6

5 5

5

HEA700

C 7 2 9

U808

74VCX1632245TBR

8

0

9

R

42 44 46

46

48 50

52 54

R701R718

C703

TOUCH_SCL30 TOUCH_SDA30TOUCH_INT30 LCD_ID

8

9

0

2

3

8

C

HEA700

AXK8L54125SJ

R 7 1 8

7

6

0

F704F705

8

0

1

R

8

0

6

U

F700

C711

R700

R708

C728

2

7

C

T P _ L C D _ R E A D

U 7 1 1

U 8 1 0

7

0

C

C 7 0 2

5 0 7 U

9

0

1

7

2 0 9 U

0 8 U

R

TP_162

9

0

R

7

1

0

U

6 1

U704

7 C

9

R930

0 7 U

R929

9-15

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Flow Chart of Troubleshooting

9-1-6 :

Abnormal LCD operation

Press Power key

Check LCD

connector

Normal

Check U705

5,6

output exist?

YES

Check

output exist?

F700~

F705

abnormal

NO

Reconnect LCD Connector

Replace U705

Check UCP900

neighboring circuit

&

YES

Is LCD module

okay?

YES

END

NO

Change LCD Module

9-16

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Flow Chart of Troubleshooting

C729

TP_LCD_READ

7 0 7 C

V_BAT

HEA700

1

2

1

2

3

4

3

4

5

6

5

6

78

7

8

9

10

9

11 12

11

12

13 14

13

14

15 16

15

16

17 18

17

18

20

19

20

19

21 22

21

22

23 24

23

24

25

252626

27 28

27

28

29

30

29

30

31 32

31

32

33 34

33

34

35 36

35

36

37 38

37

38

40

39

40

39

41

42

41 42

43

44

43 44

45

46

45

46

47

48

47 48

49

50

49

50

51 52

51

52

53 54

53

54

C

N

N 5

6

5

HEA700

DISPLAY_CS_F DISPLAY_CE_F

DISPLAY_HSYNC_F

LCD_D(0)_F LCD_D(2)_F LCD_D(4)_F LCD_D(6)_F

LCD_D(8)_F LCD_D(10)_F LCD_D(12)_F LCD_D(14)_F LCD_D(16)_F LCD_D(18)_F LCD_D(20)_F LCD_D(22)_F

DISPLAY_SO

TOUCH_INT30

TOUCH_RST

VLCD18 VLCD28

R718

6 2 7 C

F700

14

OUT1

OUT2

OUT3

OUT4

OUT5

OUT6

12

11

10

9

8

7

LCD_D(12)_FLCD_D(12)

LCD_D(16)_F

LCD_D(18)_F

LCD_D(20)_F

1

IN1

2

LCD_D(14) LCD_D(14)_F

LCD_D(16)

LCD_D(18)

LCD_D(20)

LCD_D(22) LCD_D(22)_F

IN2

3

IN3

4

IN4

5

IN5

6

IN6

GND GND

13

V_BAT

R701

C703

LCD_D(5)

LCD_D(3)

LCD_D(1)

DISPLAY_MCLK

DISPLAY_VSYNC

MLCD_RST

VTOUCH_3.0V

1

IN1

2

IN2

3

IN3

4

IN4

5

IN5

6

IN6

GND GND

13

F701

14

OUT1

OUT2

OUT3

OUT4

OUT5

OUT6

DISPLAY_CLK_F DISPLAY_MCLK_F DISPLAY_SI_F

DISPLAY_VSYNC_F

LCD_D(1)_F LCD_D(3)_F LCD_D(5)_F LCD_D(7)_F LCD_D(9)_F LCD_D(11)_F LCD_D(13)_F LCD_D(15)_F LCD_D(17)_F LCD_D(19)_F LCD_D(21)_F LCD_D(23)_F

TOUCH_SCL30 TOUCH_SDA30 LCD_ID

12

11

10

9

8

7

LCD_D(5)_F

LCD_D(3)_F

LCD_D(1)_F

DISPLAY_MCLK_F

DISPLAY_VSYNC_F

MLCD_RST_F

4 2 7 C

R714

MLCD_ON

V_BAT

LCD_D(23)

LCD_D(21)

LCD_D(19)

LCD_D(17)

LCD_D(15)

MLCD_RST_F

1

EN2

2

VIN5VOUT1

3

EN1

1

IN1

2

IN2

3

IN3

4

IN4

5

IN5

6

IN6

GND

D N G

7

13 14

U705

VOUT2

F702

GND

VSS

OUT1

OUT2

OUT3

OUT4

OUT5

OUT6

VLCD18

VLCD28

6

4

C700

C702

12

11

10

LCD_D(23)_F

LCD_D(21)_F

9

LCD_D(19)_F

8

LCD_D(17)_F

7

LCD_D(15)_F

LCD_D(7)

LCD_D(9)

LCD_D(11)

LCD_D(13)

4 1 7 R

U808

1

IN1

2

IN2

3

IN3

4

IN4

5

IN5

6

IN6

F705

GND GND

14

13

OUT1

OUT2

OUT3

OUT4

OUT5

OUT6

12

11

DISPLAY_SI_F

10

9

8

7

F703

1

IN1

2

IN2

3

IN3

4

IN4

8

OUT1

OUT2

OUT3

OUT4

GNDGND

9

10

LCD_D(7)_F

7

LCD_D(9)_F

6

LCD_D(11)_F

5

LCD_D(13)_F

LCD_D(0)

LCD_D(2)

LCD_D(4)

LCD_D(6)

LCD_D(8)

LCD_D(10) LCD_D(10)_F

F704

OUT4

OUT6

GND

OUT1

OUT2

OUT3

OUT5

12

LCD_D(0)_F

11

LCD_D(2)_F

10

LCD_D(4)_F

9

LCD_D(6)_F

8

LCD_D(8)_F

7

DISPLAY_CL K DISPLAY_CLK_F

DISPLAY_SI

DISPLAY_CS DISPLAY_CS_F

DISPLAY_CE DISPLAY_CE_F

DISPLAY_HSYNC DISPLAY_HSYNC_F

1

IN1

2

IN2

3

IN3

4

IN4

5

IN5

6

IN6

GND

13 14

7

F

0

3 0 7 C

1

F703

7

F

0

2

1 2 7 R

0 0

1

2

8 R

0

2

7

R

7

8

9

0

2

3

8

C

HEA700

R 7 1 8

7

6

0

F704F705

8

0

1

R

8

0

6

U

F700

C711

R700

R708

C728

2

7

C

U 8 1

T P _ L C D _ R E A D

U 7 1 1

0

7

0

C

C 7 0 2

5 0 7 U

9-17

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Flow Chart of Troubleshooting

9-1-7 :

Abnormal T-Flash operation

Insert the card

R401, R446 value

exist

?

YES

CN401 pin

output exist?

3,4,5,9

YES

NO

Resolder R401, R446

and check neighboring circuit

Check ZD401,D402

and neighboring circuit

if necessary change the

board

END

9-18

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Flow Chart of Troubleshooting

TF_DAT2 TF_DAT3

TF_CMD

TF_CLK

TF_DAT0 TF_DAT1

TF_DETECT

R401

VIO

R453

R442

V_TFLASH30

R443

R444

R445

V_TFLASH30

R446

CN401

1

2

R451

R452

6

5

4

V

OI

1

O

I

5

7

D N G

C

OI

N

2

3

6

OI

1

4

5

V

O

I

5

D N

7

G

C

O

I

N

3

2

C435

C433

2

3

4

5

6

7

8

9

SW-B

10

NC

11

NC

12

SW-A

13

NC

14

NC

ZD401

U607

C330

C435

4

6

R

4

5

R

4

R

4

5

1

R

4

3

R

VPP

TP_PDA_ACTIVE

R401

ZD401

4

0

2

nDPRAM_INT

1 3 6 R

C325

3

2

1

C 3 3 1

D

ZD402

n

C

SIP300

TP_PHONE_ACTIVE18

M

C

I

P

_

D

N

MCP-DPL-CYP-R02

Z

5 1

R442

3

2

9

3

2

1

6

5

C

R

TP_A1_1

R452R453

1

6

C

3

R

9-19

_ 1 D _ P T

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This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-1-8 :

Abnormal SIM Card operation

Insert the card

SIM400 pin

output exist?

SIM400 pin

output exist?

1

YES

2,3,4

NO

check U401

and neighboring circuit

check U401

and neighboring circuit

if necessary change the board

END

YES

9-20

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

R434

5

0

6

R

SIM400

6

5

4

7GG89

VREG_USIM_2.85V

11 2

2

33

G

10

Flow Chart of Troubleshooting

SIM_RST SIM_CLKSIM_IO

C431

4

0

I

S

M

C429C432 C430

U 6

4

3

0

4

3

4

2

C

R

C429

C

C431

0 2 6 C

0

3

2

1 6 R

2 1 6 C

9-21

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-1-9 :

Abnormal Vibrator operation

Drive vibrator

U600 pin

output exist?

L600, L601

output exist

Check motor

1

YES

?

YES

NO

Check

U600

Check U601

Replace

Motor

3

END

9-22

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

V_MOT_3.3V

Flow Chart of Troubleshooting

MOTOR_EN

V_BAT

U600

4

VDD1VOUT

3

CE

5

V_MOT_3.3V

VIBTONE_FREQ

2

GND

D N G

1

2

3

4

U601

EN

PWM

MODE

GAIN

C N

10 11

9

VDP

GND

VDD

VDN

C N

L600

8

7

6

L601

5

C N

C604

C605

R600

2

11

SOC600

0

6

C

O

S

L601

6

0

5

0 0 6 L

C

6

0

R

U601

6

0

9-23

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

C

U

6 0 4

Flow Chart of Troubleshooting

9-1-10

Abnormal Speaker operation

No sound on playing MP3,Key

Tone, Ring Tone

U501, U502

pin D1,D2 signal on?

YES

U501, U502

pinB3,C3 signal exist?

YES

U501, U502

pinD5,B5 signal exist?

YES

NO

Check

U503 &

neighboring circuit

Check

U503 &

neighboring circuit

Replace U501, U502

L503~L506 signal

exist?

YES

SPK500, SPK501

signal exist?

YES

Is Speaker

OK

?

YES

END

NO

Replace L503~L506

Replace SPK500, SPK501

hange Speaker

C

module assay

9-24

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

V_BAT

Flow Chart of Troubleshooting

RSPK

PWR_SDA

PWR_SCL

C543

C544

C582

C583

U501

C562

D D V

OUT-

OUT+

D N

G P

C569

HPR

HPL

C1N C1P

1 3 5 C

D5 B5

A1 A2

A4 A5

1

NC

2

NC

L503

L504

0 5 5 C

9 5 5 C

SPK500

2

11

SPK501

1

1 2

2

RSPK_M

RSPK_P

1 5 5 C

RSPK_M RSPK_P

0 0 5 D Z

1 0 5 D Z

LSPK_M LSPK_P

9 2 5 C

5

1

C

B

D D V

RXINRXIN+

INA1 INA2

INB1 INB2

BIAS SDA SCL

D N G

3 D

V_BAT

P

S S V

4

3

C

A

D4 B4

D2 D1

C2 C1

B2 B3 C3

LSPK

EAROUT_L

EAROUT_R

SDA

SCL

C546

C547

C548

C549

1 B

4 C

D D V

OUT-

OUT+

HPR

D N G P

C572

HPL

C1N

C1P

7 3 5 C

0 6 5 C

L505

L506

EARSPK_R_3.5 EARSPK_L_3.5

5

6

5

C

D5 B5

A1 A2

A4 A5

1

NC

2

NC

U502

4 6 5 C

0 3 5 C

5 C

D D V

RXINRXIN+

INA1 INA2

INB1 INB2

BIAS SDA SCL

P

D

S

N

S

G

V

3

A

D

D4 B4

D2 D1

C2 C1

B2 B3 C3

9-25

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

6 0 5 D Z

4 0 5 D Z

LSPK_M

LSPK_P

7

8

5

C

Flow Chart of Troubleshooting

1 0 9

0

9

R

U

C 5 4

C

4

5

8

3

C543

9 2 5 C

2

U 5

0 1

1 3 5 C

C 5 6 2

C 5 6 9

9 5 5 C

ZD500

0

5

K

P

S

1 0 5 D Z

BH901

0 3 5 C

C 5 5 0

C

L

5

0

5

4

3

1

1 0 2 T

R 2 0 7

N A

L605

9 1 6 C

6

1

3

C

6

5

0

3

5

7

D Z

C560

C572

C564

6 5 5 C

C557

8

6

5

0

5

5 L

C

L505

4 0 5 D

L

Z

8 0 2

2 0

C 5 4

5

6

U

5 5 5 C

C548

7 4

5

4

9

C

5 C

1

0

5

K

P

S

0

U

4

0

I

S

M

2

6

2

R

2 0

6

1

U

5 C

9-26

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Flow Chart of Troubleshooting

9-1-11 :

Abnormal Receiver operation

No sound on Calling

RCV500

Signal exist?

YES

Is RCV(Speaker)

OK

?

YES

END

NO

Check U503

&

neighboring circuit.

If above is ok, replace

RCV500

Replace the RCV

RCV500

1

1 2

2

1981813

C506 C507

A

N

T

2

0

RCVP RCVM

9 0 5

D Z

0 1 5

D Z

5

0

D

9

Z

C506

0 0 5 V C R

3 0 2 L

BH905

BOTHHOLE

0 1

7

5

0

D

5

Z

C

9-27

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Flow Chart of Troubleshooting

9-1-12 :

Abnormal Main&Ear Mic operation

NO

Check EAR600

neighboring circuit.

Change earset

&

NO

Check U612,UCP900

neighboring circuit.

&

NO

Replace U906

No sound input on calling

Ear

pin in EAR600

3

Signal on?

&

YES

Main

pin in SOC701

5, 7

Signal on?

YES

NO

Check

Resoldering it or

SOC701

&

Change3Dome Key

pininU612

2

Signal on?

YES

pininU906

1

is high?

YES

C588

is high?

YES

L510, L501, C519,

C516, L511, L522

Signal on?

NO

Check U503

neighboring circuit

&

NO

Replace C504

NO

Check U503

neighboring circuit

&

C504

Signal on?

YES

Is Earmic

OK?

YES

END

YES

Is mic

OK?

END

Replace

C519, C516, L511, L522

L510, L501,

NO

Check U503

neighboring circuit

&

9-28

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization