Samsung E2510 Troubleshooting 6

9. Flow Chart of Troubleshooting

Power On

9-1.

OWER ON' does not work

'P

Yes

Check battery voltage

is higher than

Check VCC_SYN_2.8V

and VDD3_1.8V of U101

Check the pin1of

OSC100 produces clock

Check the pin8of U101

produces

signal

26M

3.3V

OK

OK

OK

pulse signal

Not OK

NotOK

Not OK

Not OK

Change battery

older PMIC, U101, C129, C130 and

S

older OSC100, U101 and C131 again

S

C131 again

older OSC100 again

S

OK

No

Is Power On working?

Yes

END

Repeat sequence

9-1

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This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

Power On

PON_PA

CAMERA_26MHz

BT_CLK

D_REF_CLK

RFS100

A

1CG3G4

2

L102

C100

7

2

VLOGIC

3

RAMP

R111

C115

TX_EN

4

27
29

VRAMP
TX_EN

GSM_IN
DCS|PCS_IN

1

G

G

G

G

G

G

G

G

0

5

6

8

9

8

9

7

1

1

1

1

1

1

R113

+VDD_RX_TX_2.8V

C128

+VDD_IO_LOW_1.8V

PON_SYNTH

R115

C129

C130

C131

RX_TX_IP

RX_TX_IN

RX_TX_QP

RX_TX_QN

RF_DATA

RF_EN

RF_CLK

C133

R117

9

N
D
P
_

XOUT

8

BIP

7

BIN

6

BQP

5

BQN

4

SDIO

3

_SEN

2

SCLK

1

NC

36

D

C

C

N

N

N

G

3334

35

T
N
A

G

10

32

PAM100

G

0
2

E
T
S
E

R
_

N
E
X

C142

L104

V_BATT

TA100

0
3
T
T
A
B
V

G

G

G

G

5

4

3

2

1

2

2

2

2

2

BS1

BS2

RX1
RX2
RX3
RX4

G

G

G

G

G

G

G

G

G

1

8

6

6

5

4

3

2

3

2

2

3

3

3

3

3

R114

14

12

13

11

O

I
V

1
L
A
T
X

31

U101

30

1615

L

H

D

D

D

O

O

N

D

D

F

F

V

V

G

R

R

RFIPP

RFIPN

RFIDP

RFIDN

RFIEP

RFIEN

RFIAP

RFIAN

2
L

V
I

A

D

D

C

T

D

D

D

F

X

X

V

V

A

27

25

2829

26

ANT100

12

L106

C108

2GG3G51 0

G

OUT2 7

IN2

4

OUT2

6

OUT1

9

5
6

11
12
13
14

17

18

19

20

21

22

23

E

24

D
O
M
X

C135

+VDD_SYN_2.8V

VC1
VC2

1

4

1

IN1

2GG3G51 0

IN2

IN1

8OUT1

F100

G

OUT2 7

OUT2

6

OUT1

9

8OUT1

F101

L105

C112

C113

C114

C116

C122

C124

C127

850 RX

L108

900 RX

L109

1800 RX

L111

1900 RX

REF_ON_PMU

OSC100

43

2

1

9-2

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Flow Chart of Troubleshooting

0

S

1

0

C

O

U101

C112

C108

C114

C113

C122

C116

C127

C124

TA10 0

1

M

0

0

A

P

R11 4

9-3

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Flow Chart of Troubleshooting

Initial

9-2.

Initial Failure

Yes

Check VDD1, VDD3=1.8V,

VDD2=2.9V and AVDD=2.6V

of UCP

Check D_REF_CLK of

UCP

END

200

OK

200

OK

Not OK

Not OK

Check U302

Check U101 and POWER ON Sequence

9-4

SAMSUNG Proprietary-Contents may change without notice

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V

V_BATT

Flow Chart of Troubleshooting

PMU_INT

SIMOFFn

RSTON

REF_ON_PMU

32KHz_DIGIT

+VDD_VIB_3.3V

+VDD_SD_2.9V

+VDD_KEY_3.3V

+VDD_IO_HIGH_2.9V

+AVDD_2.6V

+VDD_SLEEP_2.9V

+VDD_USB_3.3V

C316

C317

C301

1

2

3

4

5

6

7

8

9

10

11

12

13
57

R304

R305

+VDD_PLL_1.2V

C314

8

9

5

5

C

C

N

N

OSCI

OSCO

_IRQ

SIMCKHC

_SIMRSHC

SIMIOHC|_SIMOFF

_RSTHC

GPO3

GPO2

GPO1

PWREN1

PWREN2

K
2
3

VSS

K
L

VSS

C

4
1

C300

C305

C307

C309

C311

+VDD_IO_LOW_1.8V

+AVDD_HFA_2.6V

+SIM_VCC_3.0V

+VDD_RX_TX_2.8V

+VDD_SYN_2.8V

C336

C318

V_EXT_CHARGE_5.0V

VBUS_5.0V

V_BATT

C321

7

5

6

4

3

1

2

6

9

2

5

5

D

D

D

D

V

V

C

C

L

L

8

1

0

5

5

T

A

D
D

B

V

V

1

1

D

D

5

4

4

4

4

4

D

D

D

D

V

V
3

P
L

D

4

5

T

T

D

D

D

A

A

D

D

D

B

B

V

V

V

V

V

2

C

O
I

D

H

U302

T

T

D

D

A

A

B

D

D

D

X

L

V

D

D

D

D

D

V

V

V

C

5

6

4
D

5
1

C

D

D

D

D

7

6

9

8

3

1

1

1

1

5

C

D

B

K

V

V

C

D

D

A

L

M

C

C

I

D

C

S

D

S

S

D

2

3

1

0

2

2

2

2

0

4

4

4

4

E

C

V

C

D

D

DD

A

V

V

V

39

S

1

2

M

VSS

I

F

F

V

S

R

R

38

VCHG

37

USBVIN

36

CHGCUR

35

_REC2

34

_REC1

33

VBATSENSE

32

VISA

31

REFGND

30

REFC

29

MICBIAS

28

D

_ONKEY

C
S

CD

R
O
I

M
I

S

4

5

2

2

V_BATT

27

N

N

E

E

NTC

M

I

M

M

I

I

S

_

S

S

6

4

2

5

R320

C327

R314

C337

C322

ONKEYN

+VDD_IO_LOW_1.8V

SCL

SDA

C319

JACK_IN

AUX_ON

R318

MES_BATT

C306

C308

C310

C312

OSC300

3

1
2

R316

C324

C325

C326

PMU

L300

C328

+VDD_GSM_CORE_1.2V

V_EXT_CHARGE_IF_5.0V

U304

NC

IN1OUT

V_EXT_CHARGE_5.0

5

9-5

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This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

C31 1

C30 9

C30 7

C30 5

C30 0

C32 1

C30 6

C30 8

C31 0

C31 2

ZD503

C314

C316

C317

R21 0 R21 6

R20 6

C32 8

L300

C20 3

R30 4

R30 5

C30 1

C21 0

C21 1

R22 0

R21 9

C21 9

C20 6

C20 8

C22 2

R22 2

C32 7

C326

C325

C324

ZD 10 0

0

0

3

C

S

O

TP30 3

C43 2

C42 1

U400

C42 4

C43 0

C21 6

C40 5C41 6

R40 3R41 0

C13 8

R21 8

U102

C42 8

L409

C42 7

L408

C42 0

C43 1

9-6

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Flow Chart of Troubleshooting

9-3. S

IM Part

Insert SIM" is displayed on the LCD

"

The voltage is

at the pin#11 of CD300

Yes

Is there any signal pin

pin#

13,15,16

Check the SIM Card

of CD300

Yes

3.0V
No

No

Check UCP200,C311

Check UCP

200,

U301

SD_DETECT

+VDD_IO_HIGH_2.9V

SD_DET

END

U303

SD_DET

SD_CMD

SD_CLK

SD_DATA

SIM_RST

SIM_CLK

SIM_IO

+VDD_IO_HIGH_2.9V

R322

3
0

3
D
Z

+VDD_SD_2.9V

R323

R327

R325

R324 R326

5

4

3

1

2

ZD304

+VDD_SD_2.9V

+SIM_VCC_3.0V

R328

6

C333

C339

C332

C338

C331

CD300

1

SW-B

2

SW-A

3

1

4

2

5

3

6

4

7

5

8

6

9

7

10

8

11

C1

12

C5

13

C2

14

C6

15

C3

16

C7

17

NC

18

NC

19

NC

20

NC

21

NC

22

NC

23

NC

6

5

4

Y

NC

VCC

GND

1

NC

2

A

3

2
0
3
D
Z

9-7

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This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-4.

Microphone Part-Phone MIC

Phone MIC does not work

Yes

Check the connection

of MIC

OK

Check MIC_BIAS_2.15V

When UCP200 operates

(

and call is connected

Check thecomponents

which are connected to

MIC_BIAS_2.15V

)

OK

Not OK

Not OK

Not OK

older MIC again

S

older C222 again and check UCP200

S

Solder R222 again

OK

Check the circuit

of MIC PART

OK

Is Phone MIC working?

Yes

END

Not OK

No

older C403,C404, C406, L402 and

S

L404 again

Replace MIC

9-8

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Flow Chart of Troubleshooting

0
0
4
D
Z

MIC400

1

1

2

2

1
0
4
D
Z

L402

L404

MAIN_MI C

Close to microphone

C401

C404

C408

+MIC_BIAS_2.15V

R414

TA400

R406

R407

R415

C403

C406

Close to MCP

R403

MIC_P

C405

MIC_N

400

C22 2

R22 2

C40 5C41 6

R41 0

R40 3

R21

9-9

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C40 1C40 4C40 8

L40 2L40 4

ZD400ZD401

Flow Chart of Troubleshooting

9-5.

Microphone Part-Earphone MIC

Earphone MIC does not work

Yes

Check the connection

of IFC400

OK

Check JACK IN is low

when ear jack is inserted.

OK

Not OK

NotOK

older pin

S

older IFC400, F400

S

of IFC400 again

3, 4

Check MIC_BIAS_2.15V

When UCP200 operates

(

and call is connected

Check the circuit

of EAR MIC

Is Earphone MIC working?

END

)

OK

OK

Yes

Not OK

Not OK

No

older C222 again and check UCP200

S

older C414, C415, C417, L406

S

and L407 again

Repeat the sequence

9-10

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

+MIC_BIAS_2.15V

V

Flow Chart of Troubleshooting

MAIN_MI C

C412

EARMIC_P

C415

EARMIC_N

C419

R414

TA400

R415

Close to IF Close to MCP

L406

L407

R408

R409

C414

C417

EAR_MIC

R410

C413

AUXMIC_P

C416

AUXMIC_N

C418

+VDD_IO_HIGH_2.9

IFC400

V_EXT_CHARGE_IF_5.0V

V_BATT

1

1

2

2

3

3

4

4

5

5

6

6

7

7

8

8

9

9

10

10

11

11

12

12

13

13

14

14

15

15

16

16

17

17

18

18

19

19

20

20

21

NC

22

NC

23

NC

24

NC

25

NC

26

NC

27

NC

5

6

4

ZD402

2

R419

3

1

6

L400

3

4

5

ZD403

2

FM_ANT

R400 R401 R402

EARMIC_P

L403

L411

C409

USB_D+
USB_D-

VBUS_IF_5.0V

1

J

J

J

T

T

T

_

_

_

N

1

1

D

O

D

_

X

X

X

T

R
U
A

C436

F400

1

OUT1

IN1

2

OUT2

IN2

3

OUT3

IN3

4

OUT4

IN4

GNDGND

9

10

R404

5

6

7

8

EARMIC_N

EARSPK_R

EARSPK_L

EAR_SWITCH

EAR_AD C

R405

JACK_IN

TXD1

RXD1

AUX_O N

9-11

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

R22 2

400

C22 2

R41 0

C40 5C41 6

R40 3

L40 6

L40 7

C32 9

4

R21

R21 8

L400

R41 9

R40 2

R40 1

3

U

0

R40 5

R33 6

9-12

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-6.

Earphone Part

Earphone does not work

Check the voltages of

R400, R401 and R402 are

R413, R418 and U400

Yes

Check the circuit

of IFC400

OK

2.9V

OK

Check the circuit

Not OK

Not OK

Not OK

older pin

S

L403 and L411 again

,

older R400, R401 and R402 again

S

older R413 and R418 again

S

5,7

of IFC400

OK

Is JACK_INT signal LOW?

When UCP200 operate

(

Check EAR SW

s)

Yes

Ok

No

Not OK

No

Check UCP200 or Change UCP200

older Jack_IN again

S

Solder R401 again

END

9-13

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

N5

C

S

O

W

R

V_EXT_CHARGE_IF_5.0V

IFC400

10
11
12
13
14
15
16
17
18
19
20

NC
NC
NC
NC
NC
NC
NC

V_BATT

1

1

2

2

3

3

4

4

5

5

6

6

7

7

8

8

9

9

10
11
12

13
14
15
16
17
18
19
20
21
22
23
24
25
26
27

R419

L400

L403

L411

FM_ANT

USB_D+
USB_D-

VBUS_IF_5.0V

C409

C436

+VDD_IO_HIGH_2.9V

R400 R401 R402

EARMIC_P
EARMIC_N

EARSPK_R

EARSPK_L

R404

F400

1

IN1

2

IN2

3

IN3

4

IN4

5

OUT1

6

OUT2

7

OUT3

8

OUT4

GNDGND

9

10

EAR_SWITCH

EAR_AD C

R405

JACK_IN

TXD1

RXD1

AUX_O N

SDA

HFR_P
HFR_N

EAR1
EAR2

SCL

6

4

5

C423

C434

ZD402

2

C424

C435

1

3

C431C430

4

ZD403

2

1

3

V_BATT

C420

5

1
B

C

D

D
D

D

V

V

P

D4

C432

RXIN-

B4

RXIN+

D2

INA1

D1

INA2

C2

INB1

C1

INB2

B2

BIAS

B3

SDA

C3

SCL

OUT-

OUT+

HPR

HPL

U400

C1N

C1P

D

D

N

S

N

S

G

V

P

G

4

3

3

C

A

D

J

J

J

T

T

T

_

_

_

N

1

1

D

O

D

_

X

X

X

T

R
U
A

C421

L408

D5
B5

A1
A2

A4
A5

1

NC

2

NC

C429

L409

R413
R418

C427

C428

SPK_N
SPK_P

EARSPK_R
EARSPK_L

6

5

TA401

C433

CS3_N

UCP200

OE_N_R_W_N

PDICS1_N
PDICS2_N

PDIRD_N

PDIWR_N

RESET_N

RSTBB_N
RSTEXT_N
SIMRST_N

WE_N_E

UNLOCK

MICBIAS

TRST_N

MICN
MICP

EAR1
EAR2

D12
B12
A12
E11

C11
C12
E14

H3

U9
V16
L18
L17

E18
F18

R4

F1

L5

EAR1
EAR2

A1

9-14

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

C43 2

C421

C21 6

U400

C42 4

C43 0

Flow Chart of Troubleshooting

C428

L409

C427

L408

C420

C431

R21 8

R40 2

R40 1

U102

C13 8

L400

R41 9

R40 5

9-15

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-7.

Charging Part

Abnormal charging operation

Check DC jack

Check the38Pin and

Yes

OK

pin of U302

OK

39

Not OK

Plug in DC jack

Not OK

Replace the U302

Check C301 and R304

OK

Check OSC300

OK

END

Not OK

NotOK

Replace the C301 and R304

Solder OSC300 again or change

battery

a

9-16

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

V_BATT

R

Flow Chart of Troubleshooting

+VDD_IO_HIGH_2.9V

PMU_INT

SIMOFFn

+AVDD_2.6V

+VDD_SLEEP_2.9V

+VDD_USB_3.3V

C316

C317

C301

1

2

3

4

5

6

R304

R305

+VDD_PLL_1.2V

C314

9

8
5

5

C

C

N

N

OSCI

OSCO

_IRQ

SIMCKHC

_SIMRSHC

SIMIOHC|_SIMOFF

C300

C305

C307

C309

C311

C336

1

6

2

0

9

6

5

5

7

8

5

5

5

5

4

4

T

A

D

D

D

D

D

D

V

V

C

C

L

L

D

D

D

D

B

V

V

V

V

1

3

P

1

L

D

D

D

U302

4

3

1

2

4

5

4

4

4

T

T

D

D

D

A

A

D

D

D

B

B

V

V

V

V

V

2

C

O
I

D

H

0

4

4

4

4

E

C

V

C

DD

DD

A

V

V

V

39

2

1

S

M

VSS

I

F

F

V

S

R

R

38

VCHG

37

USBVIN

CHGCUR

_REC2

_REC1

36

35

34

R314

C319

JACK_IN

AUX_ON

+VDD_IO_LOW_1.8V

+AVDD_HFA_2.6V

+SIM_VCC_3.0V

+VDD_RX_TX_2.8V

+VDD_SYN_2.8V

V_EXT_CHARGE_5.0V

VBUS_5.0V

C318

V_BATT

MES_BATT

C306

C308

C310

C312

OSC300

3

1
2

R316

C31 1

C30 9

C328

C30 7

C30 5

C30 0

C32 1

C30 6

C30 8

C31 0

C31 2

ZD503

C31 4

C31 6

C317

0

0

C

3

L30 0

C20 3

R30 4

R30 5

C30 1

C21 0

C21 1

R22 0

R21 9

C21 9

C20 6

C20 8

C32 7

C326

C325

C324

ZD 10 0

O

S

9-17

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-8.

Speaker Part

Speaker does not work

Check L408 and L409

Check Pin D5, B5 of

U400

Yes

OK

Not OK

Not OK

older L408 and L409 again

S

Not OK

Replace the speaker

older U400 again

S

OK

Check UCP200

OK

END

Not OK

Replace UCP200

9-18

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

V_BATT

R

SDA

Flow Chart of Troubleshooting

HFR_P

HFR_N

EAR1
EAR2

SCL

C432

C420

5

1

C

B

D

D

D

D

V

V

P

D4

RXIN-

B4

RXIN+

D2

INA1

D1

INA2

C2

INB1

C1

INB2

B2

BIAS

B3

SDA

C3

SCL

3
D

U400

D
N
G

OUT-

OUT+

D
N

S
S

G

V

P

4

3

C

A

C433

TA401

C423

C424

C434

C435

C431C430

HPR

C1N

HPL

C1P

C421

L408

D5
B5

A1
A2

A4
A5

1

NC

2

NC

C429

L409

R413
R418

C427

C428

SPK_N
SPK_P

EARSPK_
EARSPK_L

C428

C43 2

C421

U400

L409

C427

L408

C420

C424

C430

C431

9-19

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-9.

Key Data Input

Check Initial Operation

When one of the keys is

pushed,

is it displayed on LCD?

When one of the keys is

pushed,

KBIO Signal is OK?

Yes

Yes

Yes

No

No

hange the KEY Dome sheet&Key Pad

C

Replace the PBA

END

9-20

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

KEY_COL(0:4)

KEY_ROW(0:4)

KEY_COL(4)

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

KEY_ROW(0)

KEY_ROW(1)

KEY_ROW(2)

KEY_ROW(3)

KEY_ROW(4)

STAR12

DIGIT504

12

12

SHARP

DIGIT509

12

12 CLEAR12RADIO

6

5

4

3

1

ZD500

2

KEY MAP

12 DIGIT500

DIGIT505

1

DIGIT501

12

DIGIT506

12

12 LEFT

DOWN

12

SOFT50112

DIGIT5021

DIGIT507

12

12 RIGHT

12

SEND12

122DIGIT5032

DIGIT508

12

INT12

UP

SOFT500

12

KEY_ROW(2)

KEY_ROW(3)

12

3 4567

12

3 4567

SIDE KEY

ONKEYN

END KEY

TAC_UP

TAC_DW

1

TAC_MOD

KEY_COL(1)

KEY_ROW(4)

3
0
5
D
Z

12

U
1

L
S

3 4567

0
V
5
D
S
E
P

KEY_COL(1)

MOD KEY

+VDD_IO_LOW_1.8V

R511
10K

5
0
0
1

CAMERA

2

END

12

KEY_BT_INT

9-21

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-10.

Key Back Light

key Backlight does not work

Is BACKLIGHT set AlwaysON

in the Menu?

Check VDD_KEY_3.3V

Yes

No

Set BACKLIGHT on Always ON

Yes

Not OK

Replace U302

OK

Replace LED

Yes

END

+VDD_KEY_3.3V

R500 R503R501 R504

LED500

LED501 LED502 LED503

R502

LED504

R505

LED505

KEY LED

9-22

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

V

R314

36

4

SIMOFFn

RSTON

REF_ON_PMU

32KHz_DIGIT

+VDD_VIB_3.3V

+VDD_SD_2.9V

+VDD_KEY_3.3V

SIMCKHC

5

R316

C324

C325

C326

_SIMRSHC

6

SIMIOHC|_SIMOFF

7

_RSTHC

8

GPO3

9

GPO2

10

GPO1

11

PWREN1

12

PWREN2

13

VSS

57

VSS

PMU

U302

T

T

D

D

A

A
K
2

D
D

3

V

K

4

L

D

C

5

4

1

1

B

X

D

D

L

V

D

D

D

D

V

V

C

6

5

C

D

D

D

D

6

7

8

9

3

1

1

1

5

1

L300

C

D

B

K

V

V

C

D

D

A

L

M

C

C

I

D

C

S

D

S

S

D

3

2

0

1

2

2

2

2

C328

CHGCUR

VBATSENSE

REFGND

MICBIAS

D
C
S

D

C

R

O

N

N

I

E

E
M
I

M

M

M

I

I

I

S
_

S

S

S

4

5

6

4

2

2

2

5

V_BATT

C327

+VDD_GSM_CORE_1.2V

_REC2

_REC1

REFC

_ONKEY

NC

V_BATT

C321

V_EXT_CHARGE_5.0

5

35

34

33

C337

32

VISA

31

C322

30

29

28

27

NTC

+VDD_IO_LOW_1.8V

R320

SCL

SDA

R318

ONKEYN

JACK_IN

AUX_ON

V_EXT_CHARGE_IF_5.0V

U304

IN1OUT

9-23

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

SOFT50 1

UP

IN T

RAD IO

TRSTn

D

T

I

K

R

C

T

DOWN

CLEAR

DIGIT50 7

DIGIT50 6

LED50 5

DIGIT50 8

TP301

TP304

SEND

R

S

T

O

N

DI GIT50 2 DIGIT503

LED50 0

DIGIT50 1

CAMERA

END

DIGIT50 0

LED50 1

DIGIT50 5

DIGIT50 4

DIGIT50 9

LED50 4

SHARP

9-24

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-11.

GSM

Receiver

850

RX ON

Cell Power

PAM100 Pin

PAM100 Pin11

pin
pin

:-60

dBm

-65

dBm

-68

F10

0
6≥-70
7≥-70

Yes

Yes

Yes

17

dBm
dBm

dBm

≥

≥

No

No

No

Resolder

L102,C100

Check PAM100 pin

6=L

Resolder F100

5,

Yes

No

Check PAM

control circuit

Resolder PAM100

U10
pin
pin

pin

Check UCP200

1
23≥-70
24≥-70

Yes

U10

1

4,5,6,7

Vp_p

0.2

Yes

END

Yes

dBm
dBm

≥

No

No

Resolder C112,C108,L105

U10

pin

&

0

12,13,28,29

2.8V

pin

11≥1.8V

Yes

≥

No

Check&Resolder

C128,C135

And PMU Part

Resolder U10

1

9-25

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

PON_PA

RAMP

TX_EN

CAMERA_26MHz

BT_CLK

D_REF_CLK

RFS100

A

1CG3G4

2

L102

C100

2

VLOGIC

3

VRAMP

4

R111

C115

27
29

TX_EN

GSM_IN
DCS|PCS_IN

1

G

G

G

G

G

G

G

0

6

5

8

7

1

1

1

1

9

8

R113

+VDD_RX_TX_2.8V

C128

+VDD_IO_LOW_1.8V

PON_SYNTH

R115

C129

C130

C131

RX_TX_IP

RX_TX_IN

RX_TX_QP

RX_TX_QN

RF_DATA

RF_EN

RF_CLK

C133

R117

9

N
D
P
_

XOUT

8

BIP

7

BIN

6

BQP

5

BQN

4

SDIO

3

_SEN

2

SCLK

1

NC

36

D

C

C

N

N

N

G

3334

35

C142

L104

V_BATT

TA100

0

7

3

1

T

T

T

N

A

A

B
V

PAM100

G

G

G

G

G

G

0

2

9

1

2

2

1

2

G

G

G

G

G

G

G

G

G

3

5

2

6

4

4

3

6

5

1

8

3

3

3

3

2

3

2

2

2

3

2

R114

14

10

12

13

11

E

T

O

I

S

V

E
R
_

1
L
A

N
E

T

X

X

32

31

U101

30

1615

L

H

D

D

D

O

O

N

D

D

F

F

V

V

G

R

R

RFIPP

RFIPN

RFIDP

RFIDN

RFIEP

RFIEN

RFIAP

RFIAN

2
L

V
I

A

D

D

C

T

D

D

D

F

X

X

V

V

A

25

2829

26

27

ANT100

12

L106

C108

2GG3G51 0

G

OUT2 7

IN2

4

OUT2

6

OUT1

9

5

BS1

6

BS2

11

RX1

12

RX2

13

RX3

14

RX4

G

17

18

19

20

21

22

23

E

24

D
O
M
X

+VDD_SYN_2.8V

VC1
VC2

IN1

1

4

1

IN2

IN1

2GG3G51 0

8OUT1

F100

G

OUT2 7

OUT2

6

OUT1

9

8OUT1

F101

L105

C112

C113

C114

C116

C122

C124

C127

850 RX

L108

900 RX

L109

1800 RX

L111

1900 RX

C135

REF_ON_PMU

OSC100

2431

9-26

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-27

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-12.

GSM

Receiver

900

RX ON

Cell Power

PAM100 Pin

PAM100 Pin12

pin
pin

:-60

dBm

-65

dBm

-68

F10

0

8≥-70
9≥-70

Yes

Yes

Yes

17

dBm
dBm

dBm

≥

≥

No

No

No

Resolder

L102,C100

Check PAM100 pin

6=L

Resolder F100

5,

Yes

No

Check PAM

control circuit

Resolder PAM100

U10
pin
pin

pin

Check UCP200

1
21≥-70
22≥-70

Yes

U10

1

4,5,6,7

Vp_p

0.2

Yes

END

Yes

dBm
dBm

≥

No

No

Resolder C113,C114,L108

U10

pin

&

0

12,13,28,29

2.8V

pin

11≥1.8V

Yes

≥

No

Check&Resolder

C128,C135

And PMU Part

Resolder U10

1

9-28

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

PON_PA

RAMP

TX_EN

CAMERA_26MHz

BT_CLK

D_REF_CLK

RFS100

A

1CG3G4

2

L102

C100

2

VLOGIC

3

VRAMP

4

R111

C115

27
29

TX_EN

GSM_IN
DCS|PCS_IN

1

G

G

G

G

G

G

G

6

5

8

0

1

1

1

8

7

1

9

R113

+VDD_RX_TX_2.8V

C128

+VDD_IO_LOW_1.8V

PON_SYNTH

R115

C129

C130

C131

RX_TX_IP

RX_TX_IN

RX_TX_QP

RX_TX_QN

RF_DATA

RF_EN

RF_CLK

C133

R117

9

N
D
P
_

XOUT

8

BIP

7

BIN

6

BQP

5

BQN

4

SDIO

3

_SEN

2

SCLK

1

NC

36

D

C

C

N

N

N

G

3334

35

C142

L104

V_BATT

TA100

7

0

1

3

T

T

T

N

A

A

B
V

PAM100

G

G

G

G

G

G

9
1

G

G

G

G

G

G

G

G

G

3

5

6

4

0
2

2

2

1

4

3

6

5

8

1

3

3

3

3

3

2

2

2

2

2

2

2

3

R114

14

10

12

13

11

E

T

O

I

S

V

E
R
_

1
L
A

N
E

T

X

X

32

31

U101

30

1615

L

H

D

D

D

O

O

N

D

D

F

F

V

V

G

R

R

RFIPP

RFIPN

RFIDP

RFIDN

RFIEP

RFIEN

RFIAP

RFIAN

2
L

V
I

A

D

D

C

T

D

D

D

F

X

X

V

V

A

25

2829

26

27

ANT100

12

L106

C108

2GG3G51 0

G

OUT2 7

IN2

4

OUT2

6

OUT1

9

5

BS1

6

BS2

11

RX1

12

RX2

13

RX3

14

RX4

G

17

18

19

20

21

22

23

E

24

D
O
M
X

+VDD_SYN_2.8V

VC1
VC2

IN1

1

4

1

IN2

IN1

2GG3G51 0

8OUT1

F100

G

OUT2 7

OUT2

6

OUT1

9

8OUT1

F101

L105

C112

C113

C114

C116

C122

C124

C127

850 RX

L108

900 RX

L109

1800 RX

L111

1900 RX

C135

REF_ON_PMU

OSC100

2431

9-29

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-30

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-13.

DCS1800 Receiver

RX ON

Cell Power

PAM100 Pin

-65

PAM100 Pin13

-68

pin

6≥-70

pin

7≥-70

F10

:-60

dBm

dBm

0

Yes

17

Yes

Yes

dBm

≥

≥

dBm
dBm

No

No

No

Resolder

L102,C100

Check PAM100 pin

6=L

Resolder F101

5,

Yes

No

Check PAM

control circuit

Resolder PAM100

U10
pin
pin

pin

Check UCP200

1
19≥-70
20≥-70

Yes

U10

1

4,5,6,7

Vp_p

0.2

Yes

END

Yes

dBm
dBm

≥

No

No

Resolder C116,C122,L109

U10

pin

&

0

12,13,28,29

2.8V

pin

11≥1.8V

Yes

≥

No

Check&Resolder

C128,C135

And PMU Part

Resolder U10

1

9-31

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

PON_PA

RAMP

TX_EN

CAMERA_26MHz

BT_CLK

D_REF_CLK

RFS100

A

1CG3G4

2

L102

C100

2

VLOGIC

3

VRAMP

4

R111

C115

27
29

TX_EN

GSM_IN
DCS|PCS_IN

1

G

G

G

G

G

G

G

6

5

8

0

1

1

1

8

7

1

9

R113

+VDD_RX_TX_2.8V

C128

+VDD_IO_LOW_1.8V

PON_SYNTH

R115

C129

C130

C131

RX_TX_IP

RX_TX_IN

RX_TX_QP

RX_TX_QN

RF_DATA

RF_EN

RF_CLK

C133

R117

9

N
D
P
_

XOUT

8

BIP

7

BIN

6

BQP

5

BQN

4

SDIO

3

_SEN

2

SCLK

1

NC

36

D

C

C

N

N

N

G

3334

35

C142

L104

V_BATT

TA100

7

0

1

3

T

T

T

N

A

A

B
V

PAM100

G

G

G

G

G

G

9
1

G

G

G

G

G

G

G

G

G

3

5

6

4

0
2

2

2

1

4

3

6

5

8

1

3

3

3

3

3

2

2

2

2

2

2

2

3

R114

14

10

12

13

11

E

T

O

I

S

V

E
R
_

1
L
A

N
E

T

X

X

32

31

U101

30

1615

L

H

D

D

D

O

O

N

D

D

F

F

V

V

G

R

R

RFIPP

RFIPN

RFIDP

RFIDN

RFIEP

RFIEN

RFIAP

RFIAN

2
L

V
I

A

D

D

C

T

D

D

D

F

X

X

V

V

A

25

2829

26

27

ANT100

12

L106

C108

2GG3G51 0

G

OUT2 7

IN2

4

OUT2

6

OUT1

9

5

BS1

6

BS2

11

RX1

12

RX2

13

RX3

14

RX4

G

17

18

19

20

21

22

23

E

24

D
O
M
X

+VDD_SYN_2.8V

VC1
VC2

IN1

1

4

1

IN2

IN1

2GG3G51 0

8OUT1

F100

G

OUT2 7

OUT2

6

OUT1

9

8OUT1

F101

L105

C112

C113

C114

C116

C122

C124

C127

850 RX

L108

900 RX

L109

1800 RX

L111

1900 RX

C135

REF_ON_PMU

OSC100

2431

9-32

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-33

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-14.

PCS

1900

Cell Power

PAM100 Pin

PAM100 Pin11

pin
pin

Receiver

RX ON

:-60

dBm

-65

dBm

-68

F10

0

8≥-70
9≥-70

Yes

Yes

Yes

17

dBm
dBm

dBm

≥

≥

No

No

No

Resolder

L102,C100

Check PAM100 pin

6=L

Resolder F101

5,

Yes

No

Check PAM

control circuit

Resolder PAM100

U10
pin
pin

pin

Check UCP200

1
17≥-70
18≥-70

Yes

U10

1

4,5,6,7

Vp_p

0.2

Yes

END

Yes

dBm
dBm

≥

No

No

Resolder C124,C127,L111

U10

pin

&

0

12,13,28,29

2.8V

pin

11≥1.8V

Yes

≥

No

Check&Resolder

C128,C135

And PMU Part

Resolder U10

1

9-34

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

PON_PA

RAMP

TX_EN

CAMERA_26MHz

BT_CLK

D_REF_CLK

RFS100

A

1CG3G4

2

L102

C100

2

VLOGIC

3

VRAMP

4

R111

C115

27
29

TX_EN

GSM_IN
DCS|PCS_IN

1

G

G

G

G

G

G

G

6

5

8

0

1

1

1

8

7

1

9

R113

+VDD_RX_TX_2.8V

C128

+VDD_IO_LOW_1.8V

PON_SYNTH

R115

C129

C130

C131

RX_TX_IP

RX_TX_IN

RX_TX_QP

RX_TX_QN

RF_DATA

RF_EN

RF_CLK

C133

R117

9

N
D
P
_

XOUT

8

BIP

7

BIN

6

BQP

5

BQN

4

SDIO

3

_SEN

2

SCLK

1

NC

36

D

C

C

N

N

N

G

3334

35

C142

L104

V_BATT

TA100

7

0

1

3

T

T

T

N

A

A

B
V

PAM100

G

G

G

G

G

G

9
1

G

G

G

G

G

G

G

G

G

3

5

6

4

0
2

2

2

1

4

3

6

5

8

1

3

3

3

3

3

2

2

2

2

2

2

2

3

R114

14

10

12

13

11

E

T

O

I

S

V

E
R
_

1
L
A

N
E

T

X

X

32

31

U101

30

1615

L

H

D

D

D

O

O

N

D

D

F

F

V

V

G

R

R

RFIPP

RFIPN

RFIDP

RFIDN

RFIEP

RFIEN

RFIAP

RFIAN

2
L

V
I

A

D

D

C

T

D

D

D

F

X

X

V

V

A

25

2829

26

27

ANT100

12

L106

C108

2GG3G51 0

G

OUT2 7

IN2

4

OUT2

6

OUT1

9

5

BS1

6

BS2

11

RX1

12

RX2

13

RX3

14

RX4

G

17

18

19

20

21

22

23

E

24

D
O
M
X

+VDD_SYN_2.8V

VC1
VC2

IN1

1

4

1

IN2

IN1

2GG3G51 0

8OUT1

F100

G

OUT2 7

OUT2

6

OUT1

9

8OUT1

F101

L105

C112

C113

C114

C116

C122

C124

C127

850 RX

L108

900 RX

L109

1800 RX

L111

1900 RX

C135

REF_ON_PMU

OSC100

2431

9-35

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-36

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-15.

GSM

PAM100 Pin

PAM100 pin

GSM900 Transmitter

850/

TX ON(5Level)

17

≥

dBm

30

No

27

≥

dBm

30

No

Yes

Yes

Resolder

C100,

Check PAM100

pin2
pin4

Check PAM100

VBATT(pin30) OK?

pin5

L10

=H
=H

=L

Yes

2

No

No

Check PAM
control signal

Check VBAT

control signal

U101 pin15

dBm

30

≥

No

U10

4,5,6,7

Vp_p

0.2

END

1

≥

No

pin

Check UCP200

Yes

Yes

Check or Resolder

R113

U10

pin

&

0

12,13,28,29≥2.

8V

pin

11≥1.8V

Yes

Yes

No

Change or Resolder PAM100

Check&Resolder

C128,C135

And PMU Part

Resolder U10

1

9-37

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

PON_PA

RAMP

TX_EN

CAMERA_26MHz

BT_CLK

D_REF_CLK

RFS100

A

1CG3G4

2

L102

C100

2

VLOGIC

3

VRAMP

4

R111

C115

27
29

TX_EN

GSM_IN
DCS|PCS_IN

1

G

G

G

G

G

G

G

6

5

8

0

1

1

1

8

7

1

9

R113

+VDD_RX_TX_2.8V

C128

+VDD_IO_LOW_1.8V

PON_SYNTH

R115

C129

C130

C131

RX_TX_IP

RX_TX_IN

RX_TX_QP

RX_TX_QN

RF_DATA

RF_EN

RF_CLK

C133

R117

9

N
D
P
_

XOUT

8

BIP

7

BIN

6

BQP

5

BQN

4

SDIO

3

_SEN

2

SCLK

1

NC

36

D

C

C

N

N

N

G

3334

35

C142

L104

V_BATT

TA100

7

0

1

3

T

T

T

N

A

A

B
V

PAM100

G

G

G

G

G

G

9
1

G

G

G

G

G

G

G

G

G

3

5

6

4

0
2

2

2

1

4

3

6

5

8

1

3

3

3

3

3

2

2

2

2

2

2

2

3

R114

14

10

12

13

11

E

T

O

I

S

V

E
R
_

1
L
A

N
E

T

X

X

32

31

U101

30

1615

L

H

D

D

D

O

O

N

D

D

F

F

V

V

G

R

R

RFIPP

RFIPN

RFIDP

RFIDN

RFIEP

RFIEN

RFIAP

RFIAN

2
L

V
I

A

D

D

C

T

D

D

D

F

X

X

V

V

A

25

2829

26

27

ANT100

12

L106

C108

2GG3G51 0

G

OUT2 7

IN2

4

OUT2

6

OUT1

9

5

BS1

6

BS2

11

RX1

12

RX2

13

RX3

14

RX4

G

17

18

19

20

21

22

23

E

24

D
O
M
X

+VDD_SYN_2.8V

VC1
VC2

IN1

1

4

1

IN2

IN1

2GG3G51 0

8OUT1

F100

G

OUT2 7

OUT2

6

OUT1

9

8OUT1

F101

L105

C112

C113

C114

C116

C122

C124

C127

850 RX

L108

900 RX

L109

1800 RX

L111

1900 RX

C135

REF_ON_PMU

OSC100

2431

9-38

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-39

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-16.

DCS1800/PCS1900 Transmitter

TX ON(5Level)

PAM100 Pin

PAM100 pin

30

30

dBm

dBm

No

No

17

29

≥

≥

Yes

Yes

Resolder

C100,

Check PAM100

pin2
pin4
pin5

Check PAM100

VBATT(pin30) OK?

L10

=H
=H
=H

Yes

2

No

No

Check PAM
control signal

Check VBAT

control signal

U101 pin16

dBm

30

≥

No

U10

4,5,6,7

Vp_p

0.2

END

1

≥

No

pin

Check UCP200

Yes

Yes

Check or Resolder

R114

U10

pin

&

0

12,13,28,29≥2.

8V

pin

11≥1.8V

Yes

Yes

No

Change or Resolder PAM100

Check&Resolder

C128,C135

And PMU Part

Resolder U10

1

9-40

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

PON_PA

RAMP

TX_EN

CAMERA_26MHz

BT_CLK

D_REF_CLK

RFS100

A

1CG3G4

2

L102

C100

2

VLOGIC

3

VRAMP

4

R111

C115

27
29

TX_EN

GSM_IN
DCS|PCS_IN

1

G

G

G

G

G

G

G

0

6

5

8

7

1

1

1

1

8

9

R113

+VDD_RX_TX_2.8V

C128

+VDD_IO_LOW_1.8V

PON_SYNTH

R115

C129

C130

C131

RX_TX_IP

RX_TX_IN

RX_TX_QP

RX_TX_QN

RF_DATA

RF_EN

RF_CLK

C133

R117

9

N
D
P
_

XOUT

8

BIP

7

BIN

6

BQP

5

BQN

4

SDIO

3

_SEN

2

SCLK

1

NC

36

D

C

C

N

N

N

G

3334

35

C142

L104

V_BATT

TA100

0

7

3

1

T

T

T

N

A

A

B
V

PAM100

G

G

G

G

G

G

2

9

1

0

2

1

2

2

G

G

G

G

G

G

G

G

G

3

5

2

6

4

3

4

6

5

8

1

3

3

3

3

2

3

2

2

2

2

3

R114

14

10

12

13

11

E

T

O

I

S

V

E
R
_

1
L
A

N
E

T

X

X

32

31

U101

30

1615

L

H

D

D

D

O

O

N

D

D

F

F

V

V

G

R

R

RFIPP

RFIPN

RFIDP

RFIDN

RFIEP

RFIEN

RFIAP

RFIAN

2
L

V
I

A

D

D

C

T

D

D

D

F

X

X

V

V

A

25

2829

26

27

ANT100

12

L106

C108

2GG3G51 0

G

OUT2 7

IN2

4

OUT2

6

OUT1

9

5

BS1

6

BS2

11

RX1

12

RX2

13

RX3

14

RX4

G

17

18

19

20

21

22

23

E

24

D
O
M
X

+VDD_SYN_2.8V

VC1
VC2

IN1

1

4

1

IN2

IN1

2GG3G51 0

8OUT1

F100

G

OUT2 7

OUT2

6

OUT1

9

8OUT1

F101

L105

C112

C113

C114

C116

C122

C124

C127

850 RX

L108

900 RX

L109

1800 RX

L111

1900 RX

C135

REF_ON_PMU

OSC100

2431

9-41

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-42

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-17.

Bluetooth part

Bluetooth connection disable

Check BT function ON

Check the voltage of U302

pin17(VDD_IO_LOW_1.8V)

is around

Check26KHz Clock on

pin15,

U10

1

No

Enable BT function

Yes

No

Check U302 and change

1.8V

Yes

No

Check OSC100

Yes

Check the assembled

status of

Exchange U100

END

101

뭇

Yes

Yes

No

Resolder of change ANT101

No

Check UCP200

9-43

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

5

+VDD_IO_LOW_1.8V

RTS2
CTS2
RXD2

TXD2

FSC

DCL

C106

REF_ON

TP103

+VDD_IO_LOW_1.8V

BT_CLK

32KHz_DIGIT

BT_RST

C117

L110

ZD100

C118

R110

REF_ON_PMU

F102TP102

IN4OUT

GND13GND2

1

ANT101

13 2

L115

2

L114

+VDD_IO_LOW_1.8V

L101

1

2

C

D

F

C

2

S

R
O
I

_

O

D

D

_

D

D

D

V

V

D
V

U100

D

D

D
N

N

N
G

G

G

4

3

D

D

C104

1

1

1

1
J

G

H

D

L

D

G

N

L

I

S

_

P

D

_

G

_

_

I

D

D

D

D

D

D

D

V

V

V

GPIO15|SYS_CLK_REQ

TEST_MODE

D

D

D

D

D

N

N

N

N

N

G

G

G

G

G

2

3

3

2

4
J

F

E

F

E

XTAL1_SYS
XTAL2_SYS

LPO_CLK

TP_IP

PDB

RESETN

ANT

H5
E1
F1
C5

J2

A2

H4

B1

1

NC

2

NC

E4

C103 C105

R105

DU

DD

R107R106

TP100

TP101

TP104
TP105

C107

J5

G5
G4
F5
F4

G3
G2

H2
H3

D5
B4
E5
C4
A4

5

3

3
J

B

A

C

O

D

D

D

D

V
|

V

1
O

I

GPIO1

GPIO2|CTS_UART|CLK_EXT
GPIO3|RTS_UART
GPIO4|TXD_UART

GPIO5|RXD_UART

GPIO6|DA_IP
GPIO7|FCS_IP
GPIO8|DCLK_IP
GPIO9|DB_IP

GPIO10|CLK_EXT
GPIO11|TMS
GPIO12|TCK
GPIO13|TDI

GPIO14|TDO

D
D
V

D

D

D

D

N

N

N

N

G

G

G

G

2

3

3

5

1

B

C

C

A

A

L114

TA300

C33 5

BTC300

C53 0

R50 9

C53 1

C11 8

C104

C103

R32 3

3

0

1

P

T

U10 0

R10 5

0

0

1

0

C

0

S

O

C11 2

C10 8

C11 4

C11 3

C12 2

U101

C11 6

C12 7

C12 4

9-44

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization