Samsung X670 Service Manual Trouble Shooting

7. Flow Chart of Troubleshooting

7-1. Power On

' Power On ' does not work

Yes

Check the Battery Voltage

is more than 3.4V

Yes

C408(VINT) = 2.7V?

Yes

Check the Clock at

R402=32KHZ

Yes

C425(+VDD_IO_LOW) &

C424(+VDD_IO_HIGH) = "H"?

Yes

No

Change the Battery

No

Check the PMU related to VINT

No

Resolder OSC400

No

Check the related circuit

C401(+VDD_GSM_CORE)

=1.8V?

Yes

Check for the clock at C312

= 26MHz

Yes

Check the initial operation

Yes

END

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

No

No

7-1

Check the +VDD_GSM_CORE circuit

Check the clock generation circuit

(related to U100)

FlowChartofTroubleshooting

FlowChartofTroubleshooting

ONKEYN

ONKEYN

C405

C405

OSC400

OSC400

C411

C411

Typical 3.7V

Typical 3.7V

+VDD_RX_TX

+VDD_RX_TX

+VCC_SYN

+VCC_SYN

+VDD_IMAGE

+VDD_IMAGE

+AVDD_HFA

+AVDD_HFA

+VDD_IO_HIGH

+VDD_IO_HIGH

+VDD_IO_LOW

+VDD_IO_LOW

R402

R402

C407

C407

VBAT

VBAT

+AVDD

+AVDD

V400

V400

R404

R404

C410

C410

C412

C412

C414

C414

C415

C415

C416

C416

C422

C422

C424

C424

C425

C425

C406

C406

C408

C408

BU_RST

R401

R401

POS

POS

BAT400

BAT400

NEG

NEG

29

30

27

31

26

25

26

25

I

I

O

O

C

C

C

C

S

S

S

S

O

O

O

O

24

24

RF2VDD

RF2VDD

23

23

RF12VBAT

RF12VBAT

22

22

RF1VDD

RF1VDD

21

21

D1VDD

D1VDD

20

20

LPD1VBAT

LPD1VBAT

19

19

LPVDD

LPVDD

18

18

HCVBAT

HCVBAT

17

17

HCVDD

HCVDD

16

16

D2VDD

D2VDD

15

15

IOD2VBAT

IOD2VBAT

14

14

IOVDD

IOVDD

13

13

_REC2

_REC2

S

S
A

A

I

I
B

B
C

C

I

I
M

M

12

12

C423

C423

32

28

27

28

Y

Y

C

C

E

E

F

F
E

E

K

K

R

R

N

N
O

O
_

_

C

C
H

H
T

T

Q

Q

S

S

R

R

I

R

I

R

_

_

_

_

10

11

10

11

34

33

36

29

T

T
N

N

I

I
V

V

C

C
H

H
O

O

I

I
M

M

I

I
S

S

9

9

35

30

31

32

34

33

36

35

X

X

T

T

V

V

T

T

E

E

D

D

G

G

A

A

A

A

R

R

A

A

V

V

D

D

H

H

B

A

A
S

S
V

V

U400

U400

C
H
K
C
M

I
S

8

8

B

M

M

D

D

B

B

V

V

C

C

V

V

V

V

C

C

C

1

1

H

H

H

S

S

N

N

K

E

E

R

R

C

R

R

M

M

I

I

M

I

W

W

S

S
_

S

P

_

P

7

6

7

6

SCP

SCP

T

T

V

V

P

P

G

G

P

P

A

A

C

C

H

H

C

C

B

B

C

C

/

/

SCN

SCN

R

R
U

U
C

C
G

G

D3VDD

D3VDD

H

H
C

C

SIMD3VBAT

SIMD3VBAT

SIMVCC

SIMVCC

SIMIOCD

SIMIOCD

SIMCKCD

SIMCKCD

_SIMRSCD

_SIMRSCD

SIMEN

SIMEN

GPO3

GPO3

GPO2

GPO2

GPO1

GPO1

GND

GND
GND

GND
GND

GND

2

2

K

K

GND

GND

N

N

1

1

2

2

E

E

3

3

C

C

NC

NC

R

R

L

A

L

A

K

K

E

E

L

L

C

D

W

C

D

W

R

R

NC

NC

_

S

S

P

C

_

S

S

P

C

1

2

3

5

4

1

2

3

5

4

BU_RST

C409

C409

+VDD_SLEEP

C413

37

37

38

38

39

39

40

40

41

41

42

42

43

43

44

44

45

45

46

46

47

47

48

48

49

49
50

50
51

51
52

52
53

53
54

54

C413

R405

R405

V401

V401

TP400

TP400

+VDD_SLEEP

+VDD_IO_LOW

+VDD_IO_LOW

SIM_VCC

SIM_VCC

SIM400

SIM400

SIM_IO

SIM_IO

1

1

SIM_CLK

SIM_CLK

SIM_RST

SIM_RST

C417

C417

C419

C419

C418

C420

C418
C421

C421

C420

6

6

2

2

5

5

3

3

4

4

G78G

G78G

G

G

G

G

910

910

AUX_ON

AUX_ON

SCL

SCL

SDA

SDA

32KHz_DIGIT

32KHz_DIGIT

PON_TX

PON_TX

REF_ON

REF_ON

SIMRST

SIMRST

SIMCLK

SIMCLK

MIC_BIAS

MIC_BIAS

R406

R406

RSTON

RSTON

IT_PMU

IT_PMU

SIMIO

SIMIO

26M_CLK

26M_CLK

C312

C312

+VDD_IO_HIGH

+VDD_IO_HIGH

R313

R313

R315

R315

+VDD_IO_HIGH

+VDD_IO_HIGH

U302

U302

1

5

1

5

NC

VCC

NC

VCC

2

2

INA

INA

4

4

3

3

OUTY

OUTY

GND

GND

R314

R314

26M_DIGIT

26M_DIGIT

7-2

7-2

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This Document can not be used without Samsung's authorization

7-2. Initial

7-2. Initial

Initial Failure

Initial Failure

Yes

Yes

Q300 pin 4 (RSTON) ="H"

Q300 pin 4 (RSTON) ="H"

Yes

Yes

Is UCP200 R214, R215

Is UCP200 R214, R215

OK?

OK?

No

No

No

No

FlowChartofTroubleshooting

FlowChartofTroubleshooting

Check the circuit related to reset

Check the circuit related to reset

Check the UCP200

Check the UCP200

Yes

Yes

Check the 16bit data signal

Check the 16bit data signal

&memoryCE

&memoryCE

Yes

Yes

END

END

7-3

7-3

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FlowChartofTroubleshooting

FlowChartofTroubleshooting

R13

R13

RFSIG0

RFSIG0

M12

M12

RFSIG1

RFSIG1

M11

M11

RFSIG2

RFSIG2

V5

V5

GPIOA3

GPIOA3

P9

P9

GPIOA4

GPIOA4

L11

L11

GPIOA5

GPIOA5

R11

R11

RFSIG6

RFSIG6

P11

P11

RFSIG7

RFSIG7

T2

T2

GPIOA21

GPIOA21

R2

R2

GPIOA22

GPIOA22

R5

R5

GPIOA23

GPIOA23

U18

U18

RFCLK1

RFCLK1

R17

R17

RFDO1

RFDO1

G1

G1

GPIOA9

GPIOA9

V18

V18

RFEN0

RFEN0

H1

H1

RESET

RESET

V10

V10

MCLK

MCLK

R9

R9

AUXDAC1

AUXDAC1

R8

R8

AUXDAC2

AUXDAC2

V11

V11

AUXDAC3

UCP200

UCP200

AUXDAC3

MICBIAS

MICBIAS

AUXADC1

AUXADC1
AUXADC2

AUXADC2
AUXADC3

AUXADC3
AUXADC4

AUXADC4
AUXADC5

AUXADC5

AUXMICN

AUXMICN
AUXMICP

AUXMICP

GPIOA24

GPIOA24
GPIOA25

GPIOA25
GPIOA26

GPIOA26

GPIOA30

GPIOA30
GPIOA27

GPIOA27
GPIOA28

GPIOA28

SIMCLK

SIMCLK

SIMIO

SIMIO

SIMPWR

SIMPWR

SIMRST

SIMRST

GPIOA17

GPIOA17
GPIOA29

GPIOA29
GPIOA31

GPIOA31

USBCN

USBCN

USBDM

USBDM

USBDP

USBDP

VREF

VREF

HFR1

HFR1
HFR2

HFR2
EAR1

EAR1
EAR2

EAR2

MICN

MICN
MICP

MICP

ANL

ANL
ANR

ANR

FSC

FSC
DCL

DCL

SCL
SDA

SDA

SCL

C217

C217

U14

U14

V12

V12

V8

V8

QN

QN

V7

V7

QP

QP

U8

U8

IN

IN

U7

U7

IP

IP

J1

J1

K1

K1
K2

K2
L1

L1
L2

L2

J17

J17
H18

H18
K15

K15
J15

J15

M18

M18
N18

N18
L17

L17
M17

M17
K18

K18
L18

L18

D13

D13
E11

E11
B13

B13

DD

DD

B14

B14

DU

DU

N1

N1
T1

T1
L9

L9

U17

U17
M14

M14

P8

P8
P6

P6
R6

R6

G17

G17
D15

D15
N14

N14
F17

F17

V2

V2
V3

V3
V4

V4

F14

F14
G14

G14
H11

H11

R207

R207
R208

R208

MODE_SELECT

MODE_SELECT
PON_SW

PON_SW
PON_PA

PON_PA

BT_INT

BT_INT
PON_TX

PON_TX
PON_3587_SYNTH

PON_3587_SYNTH
EXT2

EXT2
DCS

DCS

RF_CLK

RF_CLK
RF_DATA

RF_DATA

RF_EN

RF_EN

RSTEXTn

RSTEXTn

EDGE1_PA

EDGE1_PA
AFC

AFC
RAMP

RAMP

MIC_BIAS_BB

MIC_BIAS_BB

RX_TX_QN

RX_TX_QN
RX_TX_QP

RX_TX_QP
RX_TX_IN

RX_TX_IN
RX_TX_IP

RX_TX_IP

MES_BATT

MES_BATT
VF

VF
TEMP_PRODUCT

TEMP_PRODUCT
EAR_ADC

EAR_ADC

HFR_P

HFR_P
HFR_N

HFR_N
EAR1

EAR1
EAR2

EAR2

MIC_N

MIC_N
MIC_P

MIC_P

C222

C222

C223

C223

FSC

FSC

+VDD_IO_LOW

+VDD_IO_LOW

DCL

DCL

R213

R213

DD

DD

DU

DU
R_CONTROL

R_CONTROL
MELODY_SEL

MELODY_SEL
JACK_EN

JACK_EN

AUX_ON

AUX_ON
END_OF_CHG

END_OF_CHG
AUDIO_SW

AUDIO_SW

SIMCLK

SIMCLK

SIMIO

SIMIO

SIMRST

SIMRST
EXT1

EXT1

CHG_ON

CHG_ON

USBCN

USBCN
USBDM

USBDM
USBDP

USBDP

R205

R205

USB Interface

USB Interface

CLKBURST

CLKBURST

ANL

ANL
ANR

ANR

DAI & Bluetooth data Interface

DAI & Bluetooth data Interface

R203

R203
100K

100K

IT_PMU

IT_PMU
M_INT

M_INT

KEY_LED_ON

KEY_LED_ON

D_REF_CLK

D_REF_CLK

+VDD_IO_HIGH

+VDD_IO_HIGH

R215

R215

R214

R214

SCL

SCL

SDA

SDA

+VDD_IO_LOW

+VDD_IO_LOW

+VDD_IO_LOW

+VDD_IO_HIGH

+VDD_IO_HIGH

R309

R309

LCD_RESET

LCD_RESET

S_RST

S_RST

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SAMSUNG Proprietary-Contents may change without notice

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This Document can not be used without Samsung's authorization

+VDD_IO_LOW

Q300

Q300

7-4

7-4

4

4

5

5

6

6

3

3

2

2

1

1

LEVEL SHIFT

LEVEL SHIFT

+VDD_IMAGE

+VDD_IMAGE

R307

R307

RSTON

RSTON

S_RST_IMAGE

S_RST_IMAGE

FlowChartofTroubleshooting

FlowChartofTroubleshooting

7-5

7-5

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SAMSUNG Proprietary-Contents may change without notice

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This Document can not be used without Samsung's authorization

FlowChartofTroubleshooting

FlowChartofTroubleshooting

7-3. Charging Part

7-3. Charging Part

Abnormal charging part

Abnormal charging part

Check the U502 pin 1

Check the U502 pin 1

U502 pin 5 = "L"?

U502 pin 5 = "L"?

>4.9V

>4.9V

Yes

Yes

Yes

Yes

No

No

No

No

Check the circuit related to

Check the circuit related to

V_EXT_CHARGE

V_EXT_CHARGE

Resolder or replace U502

Resolder or replace U502

Yes

Yes

U502 pin 3 = "L"?

U502 pin 3 = "L"?

Yes

Yes

Check the U502 pin 10

Check the U502 pin 10

≒4.2V

≒4.2V

Yes

Yes

END

END

No

No

No

No

Check the circuit related to

Check the circuit related to

AUX_ON signal

AUX_ON signal

Resolder or replace U502

Resolder or replace U502

7-6

7-6

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SAMSUNG Proprietary-Contents may change without notice

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This Document can not be used without Samsung's authorization

V_EXT_CHARGE

V_EXT_CHARGE

5.0V

5.0V

+VBUS

+VBUS

AUX_ON

AUX_ON

CHG_ON

CHG_ON

C504

C504

C503 ZD501

C503 ZD501

+VDD_IO_HIGH

+VDD_IO_HIGH

R511

R511

C506

C506

FlowChartofTroubleshooting

FlowChartofTroubleshooting

Typical 3.7V

Typical 3.7V

VBAT

VBAT

R510

R510

ZD500

U502

U502

1

1

CRDL

CRDL

2

2

USB

USB

3

3

_PPR

_PPR

4

4

_CHG

_CHG

5

5

_EN

_EN

10

10

BAT

BAT

9

9

ICDL

ICDL

8

8

GND

GND

7

7

USBON

USBON

6

6

IMIN

IMIN

GND

GND

11

11

R515

R515

ZD500

R512

R512

R514

R514

BATTERY CHARGING

BATTERY CHARGING

C505

C505

Typical 1.4V

Typical 1.4V

MES_BATT

MES_BATT

USB_CHG_ONEND_OF_CHG

USB_CHG_ONEND_OF_CHG

7-7

7-7

SAMSUNG Proprietary-Contents may change without notice

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

This Document can not be used without Samsung's authorization

FlowChartofTroubleshooting

FlowChartofTroubleshooting

7-4. Sim Part

7-4. Sim Part

Phone can't access SIM Card

Phone can't access SIM Card

SIM400 pin 1,5 = "H"?

SIM400 pin 1,5 = "H"?

After Power ON,

After Power ON,

Check SIMCLK Signal on

Check SIMCLK Signal on

pin3 of SIM400 in a few

pin3 of SIM400 in a few

Yes

Yes

Yes

Yes

No

No

No

No

Check the sim charge pump

Check the sim charge pump

Check the Clock

Check the Clock

Yes

Yes

After SIM card insert,

After SIM card insert,

SIM400 pin 2 = "H(SIM_RST)"?

SIM400 pin 2 = "H(SIM_RST)"?

Yes

Yes

Check the SIM Card

Check the SIM Card

Yes

Yes

END

END

No

No

Replace PBA

Replace PBA

7-8

7-8

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SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

This Document can not be used without Samsung's authorization

FlowChartofTroubleshooting

FlowChartofTroubleshooting

C406

C406

C408

C408

BU_RST

R401

R401

POS

POS

BAT400

BAT400

NEG

NEG

29

30

31

28

28

C

C

F

F

E

E

R

R

32

34

33

36

29

30

31

T

T

T

T

E

E

A

A

N

N

V

V
I

I

B

B

A

A

V

V

V

V

S

S

V

V

U400

U400

C

C
H

H
K

K
C

C
M

M
I

I
S

S

7

8

7

8

35

32

34

33

36

35

T

T

X

X

V

V

D

D

G

G
H

H
C

C
V

V

C

C
H

H
S

S
R

R
M

M
I

I
S

S
_

_

6

6

A

A

A

A

R

R

D

D

D

D

V

V

M

M

P

P

T

T

G

G

C

C

A

A

H

H

B

B

C

C

/

/
R

R
U

U
C

C
G

G
H

H
C

C

1

1

2

2

K

K

N

N

N

N

2

2
E

E

E

E

3

3
R

R

R

R

K

K

L

L

W

W

W

W

P

P

C

P

P

C

3

5

4

3

5

4

37

37

B

B

SCP

SCP

V

V
P

P
C

C

38

38

SCN

SCN

39

39

D3VDD

D3VDD

40

40

SIMD3VBAT

SIMD3VBAT

41

41

SIMVCC

SIMVCC

42

42

SIMIOCD

SIMIOCD

43

43

SIMCKCD

SIMCKCD

44

44

_SIMRSCD

_SIMRSCD

45

45

SIMEN

SIMEN

46

46

GPO3

GPO3

47

47

GPO2

GPO2

48

48

GPO1

GPO1

49

49

GND

GND

50

50

GND

GND

51

51

GND

GND

52

52

GND

GND

1

1

53

53

C

C

NC

NC

L

A

L

A

E

E

54

54

C

D

C

D

R

R

NC

NC

_

S

S

_

S

S

1

2

1

2

BU_RST

C409

C409

+VDD_SLEEP

+VDD_SLEEP

C413

C413

R405

TP400

TP400

R405

V401

V401

C421

C421

+VDD_IO_LOW

+VDD_IO_LOW

C418 C420

C418 C420

C419

C419

SIM_VCC

SIM_VCC

SIM_IO

SIM_IO

SIM_CLK

SIM_CLK

SIM_RST

SIM_RST

C417

C417

SIM400

SIM400

1

1

6

6

2

2

5

5

3

3

4

4

G

G

G78G

G

G

G78G

910

910

AUX_ON

AUX_ON

SCL

SCL

SDA

SDA

32KHz_DIGIT

32KHz_DIGIT

PON_TX

PON_TX

REF_ON

REF_ON

SIMRST

SIMRST

SIMCLK

SIMCLK

7-9

7-9

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SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

This Document can not be used without Samsung's authorization

FlowChartofTroubleshooting

FlowChartofTroubleshooting

7-5. Microphone Part

7-5. Microphone Part

Microphone does not work

Microphone does not work

Check the connection

Check the connection

from MIC

from MIC

Check the circuit

Check the circuit

from UCP200 to MIC

from UCP200 to MIC

Yes

Yes

Yes

Yes

No

No

No

No

Resolder MIC

Resolder MIC

Resolder the C603, C606, R601, R603, R604

Resolder the C603, C606, R601, R603, R604

L600, L601, U600

L600, L601, U600

Yes

Yes

Check R605, R625

Check R605, R625

='H'?

='H'?

Yes

Yes

Check the MIC

Check the MIC

Yes

Yes

END

END

No

No

No

No

Check the JACK_IN, JACK_EN signal

Check the JACK_IN, JACK_EN signal

Replace the MIC

Replace the MIC

7-10

7-10

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SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

This Document can not be used without Samsung's authorization

MICROPHONE

MICROPHONE

EARPIECE

EARPIECE

EAR600

EAR600

11

11

22

22

33

33

44

44

55

55

66

66

15

15

77

77

G

G

16

16

88

88

G

G

17

17

99

99
G

G

18 10

18 10

10

10

G

G

G

G

G

G

1112GG1314

1112GG1314

L603

L603

6

6

MIC600

MIC600

D602

D602

FlowChartofTroubleshooting

FlowChartofTroubleshooting

MIC_BIAS_BB

MIC_BIAS_BB

MIC_BIAS

MIC_BIAS
Close to MCP

Close to MCP

MIC_BIAS

C615

C615

C611

C611

MIC_BIAS

0

0
1

1

NO2

NO2

9

9

COM2

COM2

8

8

IN2

IN2

1

1

2

2

C

C
C

C
V

V

D

D
N

N

C

C
N

N

G

G

6

6

7

7

C612

C612

Close to microphone

Close to microphone

U600

U600

1

1
O

O
N

N

3

3

COM1

COM1

4

4

IN1

IN1

5

5

NC1

NC1

C617

C617

C607

C607

C605

C605

C601

C601

D603

D603

R_ANT

R_ANT

L606

L606
L607

L607
L608

L608

45

45

D600

D600

JACK_EN

JACK_EN

R605

R605

R606

R606

C600

C600

L600

L600

L601

L601

EARSPK_L

EARSPK_L
HFR_N

HFR_N
EARSPK_R

EARSPK_R

R625

R625

R601

R601

R603

R603

R604

R604

D601

D601

R600

R600

C603

C603

C606

C606

R607

R607

+VDD_IO_HIGH

+VDD_IO_HIGH

R611

R611

R612

R612

C616

C616

R602

R602

EAR_SWITCH

EAR_SWITCH

JACK_IN

JACK_IN
EAR_ADC

EAR_ADC

C608

C608

C602

C602

C604

C604

MIC_P

MIC_P

MIC_N

MIC_N

123

123

ZD601

ZD601

Typical 3.7V

Typical 3.7V
VBAT

VBAT

P

P

P

P

_

_

_

_

P

P
K

K

R

R

M

M

F

F

P

P
S

S

A

A

A

A

7-11

7-11

SAMSUNG Proprietary-Contents may change without notice

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

This Document can not be used without Samsung's authorization

FlowChartofTroubleshooting

FlowChartofTroubleshooting

7-6. Speaker Part(Melody)

7-6. Speaker Part(Melody)

Speaker does not work

Speaker does not work

Check the U602

Check the U602

Pin 3, 15

Pin 3, 15

Check the U604 Pin 5

Check the U604 Pin 5

(EAR1)

(EAR1)

Yes

Yes

Yes

Yes

No

No

No

No

Check the U300

Check the U300

Check the U604 Pin 1 (LOUD_EN),

Check the U604 Pin 1 (LOUD_EN),

Resolder U604

Resolder U604

Yes

Yes

U300 pin 17,18 ≒ 1.8V?

U300 pin 17,18 ≒ 1.8V?

(When U300 operate)

(When U300 operate)

Yes

Yes

Check the C705, C706

Check the C705, C706

Yes

Yes

Check LCD MODULE

Check LCD MODULE

SPK+, SPK-

SPK+, SPK-

=Operate

=Operate

Yes

Yes

Is Speaker working?

Is Speaker working?

No

No

No

No

No

No

No

No

Resolder U300

Resolder U300

Resolder U602

Resolder U602

Check the board to board

Check the board to board

Connector

Connector

Change the Speaker

Change the Speaker

Yes

Yes

END

END

7-12

7-12

SAMSUNG Proprietary-Contents may change without notice

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

This Document can not be used without Samsung's authorization

10

10

18

18
20

20

24

24

30

30
32

32

40

40
42

42
44

44
46

46
48

48
50

50

54

54
56

56

2

2
4

4

6

6
8

8

HDC700

HDC700

2

2
4

4
6

6

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

48

48
50

50
52

52
54

54
56

56
57

57

57 585859

57 585859

FlowChartofTroubleshooting

FlowChartofTroubleshooting

+VDD_IMAGE

+VDD_IMAGE

Typical 3.7V

Typical 3.7V

VBAT

C703

C703

C704

C704

VBAT

C702

C702

C718

C718

C722

C722

C723

C710

C723

C721C720C719 C712 C713

C721C720C719 C712 C713

C710

C711

C711

C714

C714

DIM_EN

DIM_EN

Y(7)

Y(7)
Y(6)

Y(6)
Y(5)

Y(5)
Y(4)

Y(4)
Y(3)

Y(3)
Y(2)

Y(2)
Y(1)

Y(1)
Y(0)

Y(0)
M_CLK

M_CLK

PCLK

PCLK
HSYNC

HSYNC
VSYNC

VSYNC
M_SCL

M_SCL
M_SDA

M_SDA

SPK_P

SPK_P

SPK_N

SPK_N

C706C705

C715C716 C717

C715C716 C717

C706C705

R715

R715

+VDD_IO_HIGH

+VDD_IO_HIGH

1

1

1

1

3

3

3

3

5

5

5

5

7

7

78

78

9

9

9

9

1112

1112

11

11

1314

1314

13

13

1516

1516

15

15

17

17

17

17

19

19

19

19

2122

2122

21

21

23

23

23

23

2526

2526

25

25

2728

2728

27

27

29

29

29

29

31

31

31

31

3334

3334

33

33

3536

3536

35

35

3738

3738

37

37

39

39

39

39

41

41

4142

4142

43

43

4344

4344

45

45

4546

4546

47

47

47

47

49

49

49

49

5152

5152

51

51

53

53

53

53

55

55

55

55

60

60

59

59

60

60

26M_DIGIT

26M_DIGIT

M_INT

M_INT

RSTON

RSTON

R300

R300

+VDD_IO_HIGH

+VDD_IO_HIGH

HPL

HPL

HPR

HPR

C302

C302

+VDD_IO_LOW

+VDD_IO_LOW

8

8

1

1

4

4

32

32

3

3

D

D

D

D

G

G

D

D

R

R
/

/

V

V

1

1

O

O
I

I

CLKI

CLKI

2

2

LED

LED

3

3

/IRQ

/IRQ

4

4

/RST

/RST

5

5

NC

NC

6

6

PLLC

PLLC

7

7

VDD

VDD

O

O
N

N

8

8

O

O

VSS

VSS

M

M
/

/

R

R

L

L

-

-

-

-

9

9

T

T

T

T

VREF

VREF

U

U

U

U

O

O

O

O

P

P

P

P

H

H

G

G

H

H

5

5

C301C303

C301C303

3

3

10

11

10

11

R302

R302

R304

R304

MELODY IC

MELODY IC

27

27

30

30

29

29

2

2

3

3

0

0

S

S

R

R

A

A

C

C

W

W

/

/

/

/

U300

U300

3

1

3

1

2

2

Q

Q

Q

Q

Q

Q

E

E

E

E

E

E

14

14

13

13

12

12

R303

R303

C307

C307

R305

R305

26

26

0

0
D

D

SPOUT2

SPOUT2

SPOUT1

SPOUT1

D

D
D

D
V

V
P

P
S

S

15 16

15 16

1

1
D

D

S

S
S

S
V

V
P

P
S

S

C306

C306

OEn

C300

C300

OEn

HA(1)

HA(1)

CS5n_MELODY

CS5n_MELODY

WEn

WEn

HD(0)

HD(0)

HD(1)

HD(1)

HD(2)

HD(2)

HD(3)

HD(3)

HD(4)

HD(4)

HD(5)

HD(5)

HD(6)

HD(6)

HD(7)

HD(7)

VIB

VIB

AMP_N

AMP_N

AMP_P

AMP_P

VBAT

VBAT

EARP_HF

EARP_HF

HFR_P

HFR_P

MELODY_SEL

MELODY_SEL

AMP_N

AMP_N

SPK_N

SPK_N

Typical 3.7V

Typical 3.7V
VBAT

VBAT

P

P

P

P

_

_

_

_

P

P

R

6

6

M

M
A

A

15

15

1

1
O

O
N

N

U602

U602

D

D
N

N
G

G

R
F

F
A

A

13

13

14

14

4

4

+

+

C

C

V

V

N

N

12

12

COM4

COM4

11

11

NO4

NO4

10

10

IN3/IN4

IN3/IN4

9

9

NC3

NC3

3

3

3

3

M

M

O

O

O

O

N

N

C

C

7

8

7

8

L

L

L

L
P

P

N

N

H

H

A

A

ANR

ANR

HPR

HPR

R_CONTROL

R_CONTROL

AFL

AFL

K

K
P

P
S

S

17

16

17

16

D

D

1

1

N

N

M

M

G

G

O

O

21

21

C

C

NC

NC

22

22

NC

NC

1

1

NC1

NC1

2

2

IN1/IN2

IN1/IN2

3

3

NO2

NO2

4

4

2

2

COM2

COM2

C

C
N

N

5

5

N

N
_

_
R

R
F

F
H

H

TP301

TP301

TP302

TP302

3

3
3

3

G

G

25

25

D2

D2

24

24

D3

D3

23

23

D4

D4

22

22

D5

D5

21

21

D6

D6

20

20

D7

D7

19

19

MTR

MTR

18

18

17

17

G

G

6

6
3

3

C304

C304

C305

C305

R306

R306

C311

C311

7-13

7-13

SAMSUNG Proprietary-Contents may change without notice

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

This Document can not be used without Samsung's authorization

FlowChartofTroubleshooting

FlowChartofTroubleshooting

7-14

7-14

SAMSUNG Proprietary-Contents may change without notice

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

This Document can not be used without Samsung's authorization

7-7. Receiver Part

7-7. Receiver Part

Receiver does not work

Receiver does not work

U602 pin 1,5 = 1.5V?

U602 pin 1,5 = 1.5V?

U602 pin 4,16 = 1.5V?

U602 pin 4,16 = 1.5V?

Yes

Yes

Yes

Yes

Yes

Yes

No

No

No

No

FlowChartofTroubleshooting

FlowChartofTroubleshooting

Resolder UCP200 or change PBA

Resolder UCP200 or change PBA

Resolder or replace U602

Resolder or replace U602

HDC700 pin 49, 51= 1.5V?

HDC700 pin 49, 51= 1.5V?

Yes

Yes

LCD MODULE

LCD MODULE

SPK +,- PAD = 1.5V?

SPK +,- PAD = 1.5V?

Yes

Yes

Check the soldering of the

Check the soldering of the

spaeaker wire

spaeaker wire

Yes

Yes

Is Receiver working?

Is Receiver working?

No

No

No

No

No

No

No

No

change UCP200

change UCP200

Change the Board to Board Connector

Change the Board to Board Connector

Modify the speaker wire soldering

Modify the speaker wire soldering

Replace the Speaker

Replace the Speaker

Yes

Yes

END

END

7-15

7-15

SAMSUNG Proprietary-Contents may change without notice

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

This Document can not be used without Samsung's authorization

FlowChartofTroubleshooting

FlowChartofTroubleshooting

7-8. Key Data Input

7-8. Key Data Input

Check Initial Operation

Check Initial Operation

When one of the keys is

When one of the keys is

pushed,

pushed,

Isn'titdisplayedonLCD?

Isn'titdisplayedonLCD?

Yes

Yes

Yes

Yes

No

No

Check the Dome sheet & Key Pad

Check the Dome sheet & Key Pad

When one of the keys is

When one of the keys is

pushed,

pushed,

KEY_ROW(0,4),

KEY_ROW(0,4),
KEY_COL(0,4)

KEY_COL(0,4)

signal is OK?

signal is OK?

Yes

Yes

END

END

No

No

Check the D702~D715 Direction.

Check the D702~D715 Direction.
& Replace Volume Key FPCB or

& Replace Volume Key FPCB or

Camera Key FPCB or Replace the PBA

Camera Key FPCB or Replace the PBA

7-16

7-16

SAMSUNG Proprietary-Contents may change without notice

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

This Document can not be used without Samsung's authorization

KEY_COL(0:4)

KEY_COL(0:4)

KEY_COL(4)

KEY_COL(4)

KEY_COL(3)

KEY_COL(3)

KEY_COL(2)

KEY_COL(2)

KEY_COL(1)

KEY_COL(1)

KEY_COL(0)

KEY_COL(0)

FlowChartofTroubleshooting

FlowChartofTroubleshooting

KEY_ROW(0:4)

KEY_ROW(0:4)

KEY_ROW(0)

KEY_ROW(0)

KEY_ROW(1)

KEY_ROW(1)

KEY_ROW(2)

KEY_ROW(2)

KEY_ROW(3)

KEY_ROW(3)

KEY_ROW(4)

KEY_ROW(4)

KEY_ROW(3)

KEY_ROW(3)

KEY_ROW(4)

KEY_ROW(4)

KEY_COL(1)

KEY_COL(1)

ONKEYN

ONKEYN

D706

D706

D705

D705

END_KEY

END_KEY

STAR1

STAR1

12 12

12 12

DIGIT0

DIGIT0

12

12

SHARP1

SHARP1

12

12

CAMERA

CAMERA

KEY_MAP

D712

D710

D708 D709D707

D710

D708 D709D707

R718

R718

R719

R719

R716

R716

1

1

2

2

END

END

VOLUME_KEY

VOLUME_KEY

D711

D711

D712

D713

D715

D714

D713

D715

D714

D703

D702

D702

D704

D703

D704

KEY_MAP

1

1

V_UP

V_UP

2

2

V_DOWN

V_DOWN

3

3

V_COMMON

V_COMMON

4

4

GND

GND

VK700

VK700

SIDE_KEY

SIDE_KEY

DIGIT7

DIGIT7

12

12

DIGIT9

DIGIT9

12

12

DIGIT8

DIGIT8

12

12

V_UP

V_UP

V_DOWN

V_DOWN

KEY_ROW(3)

KEY_ROW(3)

KEY_COL(0)

KEY_COL(0)

DIGIT4

DIGIT4

12

12

DIGIT6

DIGIT6

12

12

LEFT

LEFT

12

12

DOWN

DOWN

12

12

SOFT1

SOFT1

12

12

R720

R720

R717

R717

CAMERA_KEY

CAMERA_KEY

12

12

1

1

12

12

12

12

DIGIT1

DIGIT1

DIGIT3

DIGIT3

RIGHT

RIGHT

SEND

SEND

D700

D700

2

2

UP

UP

D701

D701

DIGIT2

DIGIT2

12

12

DIGIT5

DIGIT5

12

12

INT

INT

12

12

SOFT2

SOFT2

1

1

CLR

CLR

12

12

CK701

CK701

1

1

IN

IN

2

2

OUT

OUT

3

3

GND

GND

CAMERA_KEY

CAMERA_KEY

2

2

7-17

7-17

SAMSUNG Proprietary-Contents may change without notice

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

This Document can not be used without Samsung's authorization

FlowChartofTroubleshooting

FlowChartofTroubleshooting

7-9. Back Light (for Color Main LCD)

7-9. Back Light (for Color Main LCD)

Backlight does not work

Backlight does not work

Yes

Yes

Is LCD Contrast set on

Is LCD Contrast set on

high level in the Menu?

high level in the Menu?

Yes

Yes

IC3 pin 2 = H ?

IC3 pin 2 = H ?

No

No

No

No

Set LCD Contrast on high level

Set LCD Contrast on high level

Change the board to board

Change the board to board

Connector

Connector

Yes

Yes

IC3 PIN 5 ≥ VBAT?

IC3 PIN 5 ≥ VBAT?

Yes

Yes

Replace the LCD Module

Replace the LCD Module

Yes

Yes

END

END

No

No

Check the IC3 & the related circuit

Check the IC3 & the related circuit

7-18

7-18

SAMSUNG Proprietary-Contents may change without notice

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

This Document can not be used without Samsung's authorization

FlowChartofTroubleshooting

FlowChartofTroubleshooting

7-19

7-19

SAMSUNG Proprietary-Contents may change without notice

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

This Document can not be used without Samsung's authorization

FlowChartofTroubleshooting

FlowChartofTroubleshooting

7-10. Key Back Light

7-10. Key Back Light

Main Key LED does not work

Main Key LED does not work

U700 pin6 = "H"?

U700 pin6 = "H"?

END

END

Yes

Yes

Yes

Yes

No

No

Check the UCP200 related to

Check the UCP200 related to

"KEY_LED_ON"

"KEY_LED_ON"

KEY_LED_ON

KEY_LED_ON

Typical 3.7V

Typical 3.7V

VBAT

VBAT

U700

U700

1

6

6

5

5

4

4

1

VIN

CE

VIN

CE

2

2

VSS

VSS

NC

NC

3

3

NC

NC

VOUT

VOUT

D

D
N

N
G

G

7

7

LED702

LED702

R703R701 R702R700

R703R701 R702R700

LED703

LED703

LED700

LED700

LED707

LED707

LED708

LED708

C700C701

C700C701

LED705

LED705

KEY_LED

KEY_LED

LED704

LED704

R708R707R705 R706 R704

R708R707R705 R706 R704

LED701

LED701

LED709LED706

LED709LED706

R710 R711R709

R710 R711R709

LED710 LED711

LED710 LED711

7-20

7-20

SAMSUNG Proprietary-Contents may change without notice

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

This Document can not be used without Samsung's authorization

7-11. Camera part

7-11. Camera part

"Camera" function does not work

"Camera" function does not work

Yes

Yes

Check the Camera

Check the Camera

Connector

Connector

Yes

Yes

J2 Pin 3, 26 = 2.9V?

J2 Pin 3, 26 = 2.9V?

IC2 Pin 5 = 1.8V?

IC2 Pin 5 = 1.8V?

Yes

Yes

R314 = 26MHz?

R314 = 26MHz?

No

No

No

No

No

No

FlowChartofTroubleshooting

FlowChartofTroubleshooting

Reconnect the camera module

Reconnect the camera module

Check the U400 ( or IC2)

Check the U400 ( or IC2)

Check U302(pin2, pin4) related to

Check U302(pin2, pin4) related to

26Mhz

26Mhz

and R314

and R314

Yes

Yes

Is there another problem?

Is there another problem?

Yes

Yes

Replace the camera

Replace the camera

module

module

END

END

7-21

7-21

SAMSUNG Proprietary-Contents may change without notice

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

This Document can not be used without Samsung's authorization

FlowChartofTroubleshooting

FlowChartofTroubleshooting

7-22

7-22

SAMSUNG Proprietary-Contents may change without notice

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

This Document can not be used without Samsung's authorization

+VDD_IMAGE

+VDD_IMAGE

FlowChartofTroubleshooting

FlowChartofTroubleshooting

IMAGE_RESET

IMAGE_RESET

+VDD_IO_HIGH

+VDD_IO_HIGH

M_SCL

M_SCL

M_SDA

M_SDA
M_CLK

M_CLK

PCLK

PCLK

VSYNC

VSYNC
HSYNC

HSYNC

HA(1)

HA(1)
HA(2)

HA(2)

IMAGE_INT

IMAGE_INT

WEn

WEn

OEn

OEn

CS3n_IMAGE

CS3n_IMAGE

HD(0:15)

HD(0:15)

R321

R321

C321

C321

+VDD_IO_LOW

+VDD_IO_LOW

R319

R319

R310

R310

R311

R311

C316

C316

9

9

9

12

12

B

A

A
F

F

C

C

C

C

E

E

N

N

A1

A1

N

N

R

R

RESET

RESET

H

MA0

MA0
MA1

MA1
MINT

MINT
MWEN

MWEN
MREN

MREN
MCS

MCS
MD0

MD0

MD1

MD1
MD2

MD2
MD3

MD3
MD4

MD4
MD5

MD5
MD6

MD6
MD7

MD7
MD8

MD8
MD9

MD9
MD10

MD10
MD11

MD11
MD12

MD12
MD13

MD13
MD14

MD14
MD15

MD15

CVDD

CVDD
CVDD

CVDD
CVDD

CVDD
CVDD

CVDD
MVDD

MVDD
MVDD

MVDD
RVDD

RVDD
RVDD

RVDD
LVDD

LVDD
LVDD

LVDD
SVDD

SVDD
SVDD

SVDD

H

1

1

2

2

S

S

S

S

C

C

C

C

L

L

L

L

6

6

6

6
L

L

K

K

D1

D1
C1

C1

L2

L2

M2

M2
M1

M1

L1

L1

D2

C320

C320

D2

E1

E1
E2

E2
E3

E3
F1

F1
F2

F2

G1

G1
G2

G2

H1

H1

H2

H2
H3

H3

J1

J1

J2

J2
J3

J3

K1

K1
K3

K3

C6

C6

E10

E10

L4

L4
L7

L7
L3

L3
C3

C3
G3

G3
E8

E8
D9

D9
K4

K4
B8

B8
A2

A2

HD(0)

HD(0)

HD(1)

HD(1)
HD(2)

HD(2)
HD(3)

HD(3)
HD(4)

HD(4)
HD(5)

HD(5)
HD(6)

HD(6)
HD(7)

HD(7)
HD(8)

HD(8)
HD(9)

HD(9)
HD(10)

HD(10)
HD(11)

HD(11)
HD(12)

HD(12)
HD(13)

HD(13)
HD(14)

HD(14)
HD(15)

HD(15)

C319

C323C322

C323C322

C319

R312

R312

Y(0:7)

)

1

1

0

0

(

(

(

(

Y

Y

Y

Y

0

0

0

0

0

0

4

4

8

8

3

3

9

1

1

1

1

1

1

B

B

A

A

A

A

B

B

B

A

A

C

C

L

L

A

A

K

K

C

C

K

K

1

1

0

0

L

L

C

C

D

D

L

L

N

N
Y

Y
S

S
V

V

S

S
R

R
L

L

5

5
K

K

I

I

I

I

S

S

S

S

C

C

C

C

D

D

D

D

P

P

M

M
S

S

U305

U305

3

3
O

O

I

I
P

P
G

G

/

/
E

E
B

B

N

N

O

O

N

N

E

E

E

E

R

R
T

T

R

R

W

W

S

S

L

L

L

L

6

6

7

7

7

7

0

0

C

C

M

M

M

M

1

1
G

G

7

7

6

6

5

5

4

4

3

3

2

2

(

(

(

(

(

(

(

(

(

(

(

(

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

6

6

5

5

5

5

4

4

7

7

6

6

B

B

A

A

B

B

A

A

B

B

A

A

5

5

3

3

4

4

2

2

6

6

7

7

I

I

I

I

I

I

I

I

I

I

I

I

M4

M4

D

D

D

D

D

D

D

D

D

D

D

D

LD17

LD17

M3

M3

LD16

LD16

F8

F8

LD15

LD15

F9

F9

LD14

LD14

G8

G8

LD13

LD13

G9

G9

LD12

LD12

H8

H8

LD11

LD11

J8

J8

LD10

LD10

J9

J9

LD9

LD9

K7

K7

LD8

LD8

K8

K8

LD7

LD7

K9

K9

LD6

LD6

K10

K10

LD5

LD5

L8

L8

LD4

LD4

L9

L9

LD3

LD3

L10

L10

LD2

LD2

M9

M9

LD1

LD1

M10

M10

LD0

LD0

B1

GPIO8/MD16

GPIO8/MD16
GPIO7/MD17

GPIO7/MD17

I

I

O

O

S

S
S

S

K

K

K

K

L

L

L

L

D

D
V

C

V

C

C

C

0

0

5

5

3

3

1

1

D

D

M

M

H

H

B1
B2

B2
C2

C2

GPIO6

GPIO6

C4

C4

GPIO5

GPIO5

C5

C5

GPIO4

GPIO4

D8

D8

GPIO2

GPIO2

D10

D10

GPIO1

GPIO1

E9

E9

GPIO0

GPIO0

C8

C8

DVSS2

DVSS2

C9

C9

DVSS

DVSS

F3

F3

DVSS

DVSS

F10

F10

DVSS

DVSS

H9

H9

DVSS

DVSS

J10

J10

DVSS

DVSS

K2

K2

DVSS

DVSS

L5

L5

DVSS

DVSS

M8

M8

DVSS

DVSS

B3

B3

DVSS

DVSS

S

S

A7

A7

S

S

DVSS

DVSS

V

V

D

D

)

)

)

)

)

)

)

)

)

)

)

)

)

)

)

Y(0:7)

LD(15)

LD(15)
LD(14)

LD(14)
LD(13)

LD(13)
LD(12)

LD(12)
LD(11)

LD(11)
LD(10)

LD(10)

LD(9)

LD(9)
LD(8)

LD(8)
LD(7)

LD(7)
LD(6)

LD(6)
LD(5)

LD(5)
LD(4)

LD(4)
LD(3)

LD(3)
LD(2)

LD(2)
LD(1)

LD(1)
LD(0)

LD(0)

LD(0:15)

LD(0:15)

S_RST

S_RST

26M_CLK

26M_CLK

C312

C312

+VDD_IO_HIGH

+VDD_IO_HIGH

R313

R313

R315

R315

LCD_MAIN_CS

LCD_MAIN_CS

LCD_SUB_CS

LCD_SUB_CS

RS

RS

L_WR

L_WR

+VDD_IO_HIGH

+VDD_IO_HIGH

U302

U302

1

1

2

2

3

3

5

5

NC

VCC

NC

VCC

INA

INA

4

4

GND

OUTY

GND

OUTY

SAMSUNG Proprietary-Contents may change without notice

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

This Document can not be used without Samsung's authorization

R314

R314

26M_DIGIT

26M_DIGIT

7-23

7-23

26M_DIGIT

26M_DIGIT

FlowChartofTroubleshooting

FlowChartofTroubleshooting

7-12. FM RADIO

7-12. FM RADIO

"FM Radio" function does not work

"FM Radio" function does not work

Check the Insert

Check the Insert

Yes

Yes

Earphone

Earphone

Yes

Yes

R624 = 2.9V

R624 = 2.9V

Yes

Yes

No

No

No

No

Insert the Earphone or Change the

Insert the Earphone or Change the

Earphone

Earphone

Check the U400

Check the U400

Replace the U603

Replace the U603

END

END

7-24

7-24

SAMSUNG Proprietary-Contents may change without notice

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

This Document can not be used without Samsung's authorization

C618

C618

C621

C621

C622

C622

C619

C619

U603

U603

C623

C623

FlowChartofTroubleshooting

FlowChartofTroubleshooting

C620

C620

L604

L604

C624

C624

R624

R624

R_ANT

R_ANT

+VDD_IO_HIGH

+VDD_IO_HIGH

SCL

SCL

SDA

SDA

32KHz_OUT

32KHz_OUT

R_INT

R_INT

R618

R618

R617

R617

C625

C625

C626

C626

L605

L605

A4

A4
E7

E7
D2

D2
A7

A7
B2

B2
B7

B7
F2

F2
C7

C7
D6

D6
F7

F7
C2

C2
G1

G1
F6

F6
E6

E6
G7

G7
A2

A2
A3

A3
A1

A1
G4

G4

CD1

CD1
CD2

CD2
CD3

CD3
CLOCK

CLOCK
CPOUT

CPOUT
DATA

DATA
AGND

AGND
DGND

DGND
DGND

DGND
DGND

DGND
RFGND

RFGND
FREQIN

FREQIN
INTCON1

INTCON1
INTCON2

INTCON2
INTX

INTX
LO1

LO1
LO2

LO2
LOOPSW

LOOPSW
MPXOUT

MPXOUT

BUSENABLE

BUSENABLE

CAGC

CAGC
RFIN1

RFIN1
RFIN2

RFIN2

SWPORT

SWPORT

TIFCENTER

TIFCENTER

TMUTE

TMUTE

VAFL

VAFL
VAFR

VAFR

VCC

VCC
VDD

VDD

VREFDIG

VREFDIG

XTAL

XTAL

A6

A6
B1

B1
D1

D1
C1

C1
A5

A5
G2

G2
G6

G6

F4

F4

G5

G5
E1

E1
D7

D7
B6

B6

F1

F1

B4

B4

NC

NC

G3

G3

NC

NC

1

1

NC

NC

2

2

NC

NC

C627

C627

R621

R621

R619

R619

C628

C628

TP601

TP601
TP602

TP602

BUSENABLE

BUSENABLE

SW_PORT

SW_PORT

AFL

AFL
AFR

AFR

7-25

7-25

SAMSUNG Proprietary-Contents may change without notice

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

This Document can not be used without Samsung's authorization

FlowChartofTroubleshooting

FlowChartofTroubleshooting

7-13. BLUETOOTH

7-13. BLUETOOTH

BLUETOOTH does not work

BLUETOOTH does not work

R316 = 'H'

R316 = 'H'

Replace ANT300

Replace ANT300

Yes

Yes

Yes

Yes

No

No

No

No

Check the UCP200

Check the UCP200

Replace U301

Replace U301

END

END

Yes

Yes

7-26

7-26

SAMSUNG Proprietary-Contents may change without notice

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

This Document can not be used without Samsung's authorization

FlowChartofTroubleshooting

FlowChartofTroubleshooting

ANT300

ANT300

13 2

13 2

BT_INT

BT_INT

TXD2

TXD2

RXD2

RXD2

BT_RST

BT_RST

R316

R316

TP310

TP310
TP311

TP311
TP312

TP312
TP313

TP313

B6

B6

VCC

VCC

B5

B5

VCC_IO

VCC_IO

B3

B3

UART_CTS/USB+

UART_CTS/USB+

A4

A4

UART_RTS/USB-

UART_RTS/USB-

B2

B2

UART_RxD

UART_RxD

B1

B1

UART_TxD

UART_TxD

C5

C5

RESETB

RESETB

A3

A3

X_IN

X_IN

C4

C4

AIO0

AIO0

E6

E6

RF_IO

RF_IO

D4

D4

PIO0

PIO0

E4

E4

PIO1

PIO1

F4

F4

PIO2

PIO2

D5

D5

PIO3

PIO3

E3

E3

PIO4

PIO4

D3

D3

PIO5

PIO5

B4

B4

PIO8

PIO8

U301

U301

VDD18V

VDD18V

SPICLK

SPICLK

SPICSB

SPICSB

SPIMISO

SPIMISO
SPIMOSI

SPIMOSI

PCMCLK

PCMCLK

PCM_IN

PCM_IN

PCM_OUT

PCM_OUT

PCM_SYNC

PCM_SYNC

GND

GND
GND

GND
GND

GND
GND

GND
GND

GND
GND

GND
GND

GND

+VDD_IO_LOW

+VDD_IO_LOW

L300

L300

C314

C314

C313

C313

C6

C6

E2

E2

F3

F3
F2

F2

E1

E1

TP314

TP314

D1

D1

TP315

TP315

D2

D2

TP316

TP316

C1

C1

TP317

TP317

C2

C2

A5

A5
A6

A6
C3

C3
D6

D6
E5

E5

F1

F1
F5

F5

NC

NC

2

2

NC

NC

A2

A2

NC

NC

C317

C317

DCL

DCL
DD

DD

DU

DU
FSC

FSC

BLUE TOOTH

BLUE TOOTH

7-27

7-27

SAMSUNG Proprietary-Contents may change without notice

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

This Document can not be used without Samsung's authorization

FlowChartofTroubleshooting

FlowChartofTroubleshooting

7-14. GSM Receiver

7-14. GSM Receiver

RX ON

RX ON

RF input : 62CH

RF input : 62CH

Amp : -50dBm

Amp : -50dBm

Yes

Yes

LMSP54HA-350 pin8

LMSP54HA-350 pin8

>= -65dBm

>= -65dBm

Yes

Yes

LMSP54HA-350

LMSP54HA-350

pin5, pin6>= -65dBm

pin5, pin6>= -65dBm

Yes

Yes

U102

U102

pin30 >= -70dBm

pin30 >= -70dBm
pin29 >= -70dBm

pin29 >= -70dBm

No

No

Resolder RFS101, C106

Resolder RFS101, C106

No No

No No

No

No

Resolder C117, C119, L111

Resolder C117, C119, L111

Check LMSP54HA-350

Check LMSP54HA-350

pin9,pin10,pin12 = L

pin9,pin10,pin12 = L

Yes

Yes

Check ANT Switch

Check ANT Switch

control circuit

control circuit

Resolder Module1

Resolder Module1

Yes

Yes

U102 pin7,8,9,10

U102 pin7,8,9,10

>= 1V

>= 1V

Yes

Yes

C140, C141

C140, C141

>= 1V

>= 1V

Yes

Yes

Check UCP200

Check UCP200

END

END

No

No

Check U102

Check U102

pin28,pin31>=2.7V

pin28,pin31>=2.7V

Yes

Yes

No

No

Check & Resolder

Check & Resolder

U102, R108 R107

U102, R108 R107

RF26MHz, RF PSU Part

RF26MHz, RF PSU Part

Resolder U102

Resolder U102

7-28

7-28

SAMSUNG Proprietary-Contents may change without notice

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

This Document can not be used without Samsung's authorization

7-15. GSM Transmitter

7-15. GSM Transmitter

TX ON (5Level)

TX ON (5Level)

Yes

Yes

LMSP54HA-350 Pin8

LMSP54HA-350 Pin8

>= 20dBm

>= 20dBm

No

No

LMSP54HA-350 pin11

LMSP54HA-350 pin11

>= 18dBm

>= 18dBm

Yes

Yes

Yes

Yes

Resolder RFS101, C106

Resolder RFS101, C106

Check LMSP54HA-350

Check LMSP54HA-350

pin10 = H (2.68V),

pin10 = H (2.68V),

pin9, pin12 = L

pin9, pin12 = L

FlowChartofTroubleshooting

FlowChartofTroubleshooting

No

No

Check ANT Switch

Check ANT Switch

control circuit

control circuit

No

No

PAM101 18pin

PAM101 18pin

>= 18dBm

>= 18dBm

No

No

PAM101 14pin

PAM101 14pin

>= -11dBm

>= -11dBm

No

No

U102 pin7,8,9,10

U102 pin7,8,9,10

>= 1V

>= 1V

Yes

Yes

Check UCP200

Check UCP200

Yes

Yes

Yes

Yes

No

No

Yes

Yes

Resolder L115, C134

Resolder L115, C134

Check PAM101

Check PAM101
+VBAT, pin15,

+VBAT, pin15,

pin8 OK?

pin8 OK?

No

No

Check U102

Check U102

pin28,pin31 >=2.7V

pin28,pin31 >=2.7V

OK?

OK?

Yes

Yes

Change or Resolder

Change or Resolder

LMSP54HA-350

LMSP54HA-350

Yes

Yes

Resolder or Change PAM101

Resolder or Change PAM101

Check +VBAT or PAM101

Check +VBAT or PAM101

control signal

control signal

No

No

Check & Resolder

Check & Resolder

U102, R108 R107

U102, R108 R107

RF26MHz, RF PSU Part

RF26MHz, RF PSU Part

Resolder U102

Resolder U102

END

END

7-29

7-29

SAMSUNG Proprietary-Contents may change without notice

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

This Document can not be used without Samsung's authorization

FlowChartofTroubleshooting

FlowChartofTroubleshooting

7-16. DCS Receiver

7-16. DCS Receiver

RX ON

RX ON

RF input : 698CH

RF input : 698CH

Amp : -50dBm

Amp : -50dBm

Yes

Yes

LMSP54HA-350 Pin8

LMSP54HA-350 Pin8

>= -65dBm

>= -65dBm

Yes

Yes

No

No

Resolder RFS101, C106

Resolder RFS101, C106

LMSP54HA-350

LMSP54HA-350

pin1, pin2 >= -65dBm

pin1, pin2 >= -65dBm

Yes

Yes

U102

U102

pin35 >= -70dBm

pin35 >= -70dBm
pin36 >= -70dBm

pin36 >= -70dBm

Yes

Yes

U102 pin7,8,9,10

U102 pin7,8,9,10

>= 1V

>= 1V

Yes

Yes

C140, C141

C140, C141

>= 1V

>= 1V

Yes

Yes

Check UCP200

Check UCP200

No

No

No

No

No

No

Check Module1

Check Module1

pin9,pin10,pin12 = L

pin9,pin10,pin12 = L

Yes

Yes

Resolder C112, C115, L110

Resolder C112, C115, L110

Check U102

Check U102

pin28,pin31 >=2.7V

pin28,pin31 >=2.7V

Yes

Yes

No

No

No

No

Check ANT Switch

Check ANT Switch

control circuit

control circuit

Resolder LMSP54HA-350

Resolder LMSP54HA-350

Check & Resolder

Check & Resolder

U102, R108 R107

U102, R108 R107

RF26MHz, RF PSU Part

RF26MHz, RF PSU Part

Resolder U102

Resolder U102

END

END

7-30

7-30

SAMSUNG Proprietary-Contents may change without notice

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

This Document can not be used without Samsung's authorization

7-17. DCS Transmitter

7-17. DCS Transmitter

TX ON (0Level)

TX ON (0Level)

Yes

Yes

pin8

No

No

pin8

pin13

pin13

LMSP54HA-350

LMSP54HA-350

>= 20dBm

>= 20dBm

LMSP54HA-350

LMSP54HA-350

>= 18dBm

>= 18dBm

Yes

Yes

Yes

Yes

Resolder RFS101, C106

Resolder RFS101, C106

Check Module1

Check Module1

pin12 = H (2.68V),

pin12 = H (2.68V),

pin9, pin10 = L

pin9, pin10 = L

FlowChartofTroubleshooting

FlowChartofTroubleshooting

No

No

Check ANT Switch

Check ANT Switch

control circuit

control circuit

No

No

PAM101 pin20

PAM101 pin20

>= 18dBm

>= 18dBm

No

No

PAM101 pin4

PAM101 pin4

-11dBm

-11dBm

>=

>=

No

No

U102 pin7,8,9,10

U102 pin7,8,9,10

>= 1V

>= 1V

Yes

Yes

Check UCP200

Check UCP200

Yes

Yes

Yes

Yes

No

No

Yes

Yes

Resolder L116, C144

Resolder L116, C144

Check PAM101

Check PAM101

+VBAT, pin3, pin8

+VBAT, pin3, pin8

OK?

OK?

Check U102

Check U102

pin28,pin31

pin28,pin31

>=2.7V

>=2.7V

OK?

OK?

No

No

Yes

Yes

Yes

Yes

No

No

Change or Resolder

Change or Resolder

Module1

Module1

Resolder or Change PAM101

Resolder or Change PAM101

Check +VBAT or PAM101

Check +VBAT or PAM101

control signal

control signal

Check & Resolder

Check & Resolder

U102, R108 R107

U102, R108 R107

RF26MHz, RF PSU Part

RF26MHz, RF PSU Part

Resolder U102

Resolder U102

END

END

7-31

7-31

SAMSUNG Proprietary-Contents may change without notice

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

This Document can not be used without Samsung's authorization

FlowChartofTroubleshooting

FlowChartofTroubleshooting

7-18. PCS Receiver

7-18. PCS Receiver

RX ON

RX ON

RF input : 661CH

RF input : 661CH

Amp : -50dBm

Amp : -50dBm

Yes

Yes

LMSP54HA-350 pin8

LMSP54HA-350 pin8

>= -65dBm

>= -65dBm

Yes

Yes

LMSP54HA-350

LMSP54HA-350

pin3, pin4>= -65dBm

pin3, pin4>= -65dBm

No

No

No

No

Resolder RFS101, C106

Resolder RFS101, C106

Check LMSP54HA-350

Check LMSP54HA-350

pin9= H

pin9= H

pin10, pin12 = L

pin10, pin12 = L

No

No

Check ANT Switch

Check ANT Switch

control circuit

control circuit

Yes

Yes

U102

U102

pin32 >= -70dBm

pin32 >= -70dBm
pin33 >= -70dBm

pin33 >= -70dBm

Yes

Yes

U102 pin7,8,9,10

U102 pin7,8,9,10

>= 1V

>= 1V

Yes

Yes

C140, C141

C140, C141

>= 1V

>= 1V

Yes

Yes

Check UCP200

Check UCP200

END

END

No

No

No

No

Yes

Yes

Resolder C142, C143

Resolder C142, C143

Check U102

Check U102

pin28,pin31 >=2.7V

pin28,pin31 >=2.7V

Yes

Yes

Resolder LMSP54HA-350

Resolder LMSP54HA-350

No

No

Check & Resolder

Check & Resolder

U102, R108 R107

U102, R108 R107

RF26MHz, RF PSU Part

RF26MHz, RF PSU Part

Resolder U102

Resolder U102

7-32

7-32

SAMSUNG Proprietary-Contents may change without notice

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

This Document can not be used without Samsung's authorization

7-19. PCS Transmitter

7-19. PCS Transmitter

TX ON (0Level)

TX ON (0Level)

Yes

Yes

LMSP54HA-350 Pin8

LMSP54HA-350 Pin8

>= 20dBm

>= 20dBm

No

No

LMSP54HA-350 pin13

LMSP54HA-350 pin13

>= 18dBm

>= 18dBm

Yes

Yes

Yes

Yes

Resolder RFS101, C106

Resolder RFS101, C106

Check LMSP54HA-350

Check LMSP54HA-350

pin12 = H (2.68V),

pin12 = H (2.68V),

pin9, pin10 = L

pin9, pin10 = L

FlowChartofTroubleshooting

FlowChartofTroubleshooting

No

No

Check ANT Switch

Check ANT Switch

control circuit

control circuit

No

No

PAM101 pin20

PAM101 pin20

>= 18dBm

>= 18dBm

No

No

PAM101 pin4

PAM101 pin4

-11dBm

-11dBm

>=

>=

No

No

U102 pin7,8,9,10

U102 pin7,8,9,10

>= 1V

>= 1V

Yes

Yes

Check UCP200

Check UCP200

Yes

Yes

Yes

Yes

No

No

Yes

Yes

Resolder L116, C144

Resolder L116, C144

Check PAM101

Check PAM101

+VBAT, pin3, pin8

+VBAT, pin3, pin8

OK?

OK?

Check U102

Check U102

pin28,pin31

pin28,pin31

>=2.7V

>=2.7V

OK?

OK?

Yes

Yes

No

No

Yes

Yes

No

No

Change or Resolder

Change or Resolder

LMSP54HA-350

LMSP54HA-350

Resolder or Change PAM101

Resolder or Change PAM101

Check +VBAT or PAM101

Check +VBAT or PAM101

control signal

control signal

Check & Resolder

Check & Resolder

U102, R108 R107

U102, R108 R107

RF26MHz, RF PSU Part

RF26MHz, RF PSU Part

Resolder U102

Resolder U102

END

END

7-33

7-33

SAMSUNG Proprietary-Contents may change without notice

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

This Document can not be used without Samsung's authorization

FlowChartofTroubleshooting

FlowChartofTroubleshooting

GSM_TX

GSM_TX

R119

R119

R118

R118

1

1

IN

IN

GND1 GND 2

GND1 GND 2

2

2

OUT

OUT

4

4

3

3

C139

C139

MODE_SELECT

EDGE1_PA

EDGE1_PA

R117

R117

F103

F103

L117

L117

DCS

DCS

C136

C136

C138

C138

C137

C137

0

0

2

2

1

1

1

1

1

1

BAND

BAND

NC

NC

NC

NC

F

F

E

E

R

R

V

V

3

3

1

1

B

B

L

L

_

_

N

N

I

I

F

F

R

R

1

1

4

4

T

T

B

B

A

A

V

V

5

5

1

1

T

T

B

B

A

A

V

V

6

6

1

1

D

D

G

G

N

N

7

7

1

1

RFOUT_LB

RFOUT_LB

GND

GND

9

9

8

8

1

1

1

1

C135

C135

L115

L115

C134

C134

MODE_SELECT

+VDD_RX_TX

+VDD_RX_TX

2.8V

2.8V
PON_PA

PON_PA

RAMP

RAMP

R116

R116

L114

L114

1

1

8

9

8

9

7

7

TXON

TXON

VSTAB

VSTAB

VDAC

VDAC

C

C

N

N

E

E

M

M

O

O

D

D

H

H

_

_

B

B

R

R

FIN

FIN

PAM101

PAM101

T

T

B

B

A

A

V

V

T

T

B

B

A

A

V

V

D

D

G

G

N

N

RFOUT_HB

RFOUT_HB

GND

GND

0

0

1

1

2

2

2

2

L116

L116

L113

L113

DCS_TX

DCS_TX

Typical 3.7V

Typical 3.7V
VBAT

VBAT

R114

R114

R110

R110

F102

F102

2

2

R113

R113

C125

C125

C124

C124

6

6

5

5

4

4

3

3

2

2

1

1

C144

C144

13

13

TA101

TA101

L112

L112

D100

D100

FESW3

FESW2

FESW1

FESW3

FESW2

FESW1

C113

C113

C114

C114

L108

L108

11

11

13

13

12

9VC3 L120

12

9VC3 L120

GSM900TX

GSM900TX

VC110VC2

VC110VC2

GSM1800/1900TX

GSM1800/1900TX

7

7

GG

GG

14

14

ANT

ANT

8

8

GSM1900RX

GSM1900RX

F101

F101

GSM1800RX

GSM1900RX 3

GSM1800RX

GSM1800RX

GSM1900RX 3

GSM1800RX

GSM900RX6GSM900RX

GSM900RX6GSM900RX

4

5

4

5

1

2

1

2

L119

L119

ANTCON-X660

ANTCON-X660

6

1

22334

6

1

22334

R125

R125

556

1

4

556

1

4

ANT100

J_ANT

J_ANT

L102

L102

L103

L103

C106

C106

L106

L106

C107

C107

ANT100

ANTCON-X660

ANTCON-X660

1

233445566

1

233445566

1

2

1

2

ANT101

ANT101

R124

R124

G

G

2

2

RFS101

RFS101
AC

AC

31

31

4

4

G

G

+VDD_RX_TX

DCS_TX

FESW1

FESW3

FESW2

FESW1

FESW3

FESW2

C140

C140

C141

C141

R122

R121

R120

R122

R121

R120

R123

R123

RX_TX_IP

RX_TX_IN

RX_TX_QP

RX_TX_QN

RX_TX_IP

RX_TX_IN

RX_TX_QP

RX_TX_QN

DCS_TX

+VDD_RX_TX

PON_SW

PON_SW

GSM_TX

GSM_TX

2.8V

2.8V

R115

R115

C130

C130

4

7

6

4

7

6

3

3

3

3

3

3

3

3

3

0

0

4

4

5

6

3

4

5

6

3

4

4

4

4

4

4

4

4

4

2

2

4

4

SWON

NC1

NC2

GND2

GND3

GND4

SWON

NC1

NC2

GND2

GND3

GND4

1

1

R

R

3

3

N

N

F

F

D

D

G

G

2

2

O

O

B

B

H

H

3

3

R

R

4

4

N

N

F

F

D

D

G

G

4

4

F

F

1

1

E

E

W

W

S

S

5

5

F

F

2

2

E

E

W

W

S

S

6

6

F

F

3

3

E

E

W

W

S

S

7

7

I

I

B

B

8

8

I

I

A

A

9

9
B

B

Q

Q

0

0

1

1

A

A

Q

Q

4

4

1

1
1

1

N

N

D

D

G

G

VCCIF

VCCIF

DATA

DATA

1

1

1

1

1

1

2

2

3

3

1

1

C131

C131

C132

C132

C133

C133

RF_DATA

RF_DATA

3

9

9

3

3

5

5

3

3

8

8

3

3

TXVCC

LBO

GNDRF1

GNFRF2

HBIA

HBIB

TXVCC

LBO

GNDRF1

GNFRF2

HBIA

HBIB

SWBIB

SWBIB

R

R

L

L

F

F

O

O

C

C

E

E

S

S

R

R

P

P

C

C

U102

U102

N

N

E

E

U

U

S

S

N

N

Y

Y

E

E

F

F

R

R

D

D

CLKOUT

CLKOUT

REFVCC

REFVCC

PGMDIV

PGMDIV

GNDL

GNDL

VDDL

VDDL

CLK

CLK

EN

EN

5

5

1

1

4

4

1

1

7

9

0

8

7

9

0

8

1

1

2

1

1

1

2

1

6

6

1

1

TP102

TP102

C126

C126

+VDD_IO_LOW

+VDD_IO_LOW

D_REF_CLK

26M_CLK

RF_CLK

RF_EN

D_REF_CLK

26M_CLK

RF_CLK

RF_EN

1.8V

1.8V

C119

C119

L111

L111

GSM RX

GSM RX

1

1

3

3

2

2

3

3

VCCRF

SWBIA

VCCRF

SWBIA

0

0

3

3

B

B

I

I

B

B

L

L

9

9

2

2
A

A

I

I

B

B

L

L

8

8

2

2

C

C

V

V

7

7

2

2

T

T

X

X

E

E

6

6

2

2

C

C

C

C

V

V

5

5

2

2
R

R

T

T

F

F

L

L

R

R

T

T

C

C

C

C

C

C

V

V

G

G

N

N

FIN

FIN

E

E

R

R

CLKFDBX

CLKFDBX

C123

C123

R111

R111

TP101

TP101

4

4

2

2

3

3

2

2

2

2

2

2

1

1

2

2

R108

R108

41

41

VCC

VCC

R109

R109

VCON

VCON

R107VR100

R107VR100

C118

C118

AFC

AFC

C112

C112

C115

C115

C117

C117

C116

C116

3

3

OUT

OUT

GND

GND

2

2

C143

C143

C142

C142

L110

L110

DCS RX

DCS RX

PCS RX

PCS RX

L104

L104

C108

C108

C105

C105

C109

C109

C104

C104

C110

C110

R106

R106

+VCC_SYN

+VCC_SYN

TCX101

TCX101

PON_3587_SYNTH

PON_3587_SYNTH

+VCC_SYN

+VCC_SYN

+VCC_SYN

+VCC_SYN

2.8V

2.8V

L101

L101

C102

C102

C101

C101

C103

C103

R101

R101

+VCC_SYN

+VCC_SYN

7-34

7-34

SAMSUNG Proprietary-Contents may change without notice

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

This Document can not be used without Samsung's authorization

FlowChartofTroubleshooting

FlowChartofTroubleshooting

7-35

7-35

SAMSUNG Proprietary-Contents may change without notice

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

This Document can not be used without Samsung's authorization

FlowChartofTroubleshooting

FlowChartofTroubleshooting

7-36

7-36

SAMSUNG Proprietary-Contents may change without notice

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

This Document can not be used without Samsung's authorization