Samsung L810v Troubleshooting

10. Flow Chart of Troubleshooting

10-1.

Power On

Power On'does not work

'

Yes

Check the Battery Voltage

is more than

pin F10(PS_HOLD)

U400

=2.6

Check the Clock at

OSC

400=32.768

3.4V

Yes

V?

Yes

KHz

Yes

No

No

No

Check the

Change the Battery

related to PS_HOLD

U400

Resolder OSC

400

VREG_MSMC)=1.37V?

L400(

Yes

C423(VREG_MSME)=1.8V?
C421(VREG_MSMP)=2.6V?
C420(VREG_MSMA)=2.6V?

VREG_TCXO)=2.8V?

C425(

Yes

Check for the clock at

MHz

= 19.2

Yes

Check the initial operation

Yes

No

No

No

Check the U400

Check the U400

Check the clock generation circuit

relatedtoTCX100

(

)

END

10-1

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This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

U400

VREG_S2_2.2V

1
1
A

N

R

A

K

L

P
S

W

_

_

D

D

D

D

V

V

VREG_RFRX1
VREG_RFRX2

VREG_RFUBM

PON_RESET_N

C
N
D

1
1
D

1

1
F

G

V

V

5

5

_

_

G

W

E

S

VREG_GP1

R

V

V

VREG_GP2
VREG_GP3

VREG_MMC
VREG_MSMA
VREG_MSME
VREG_MSMP
VREG_MSMC

VSW_MSMC

VREG_RFTX

VREG_RUIM

VREG_S2
VREG_S3

VSW_S2
VSW_S3

VREG_TCXO

VREG_USB

VREG_WLAN

ISNS_M
ISNS_P

XTAL_IN

XTAL_OUT

SBCK

SBDT|SSBI

SBST

VCOIN
BAT_FET_N
CHG_CTL_N

VCHG

HSET_BIAS

KPD_PWR_N

MSM_INT_N

PS_HOLD

SLEEP_CLK

C

C

N

N

2

1

VLCD_2.9V

VREG_RFTX_2.85V VREG_MSMC_1.37V

VREG_FEM_2.7V

A3
A2
B1

L9
G11
K8
J11
K4

L400

K5

A9
A10
A8

TP400

B8
L10

L8

L6
K7
K6

L402
A1
G2
B11

D1
D2

L11
K11

F8

R405

G8

E8

R407

J10

E2

TP402

C2

TP403

C1
K1

TP404

L4

PM_INT

C10
G10
F10

C437

K9

R411

VBATT

L401

VREG_MSMP_2.6V

PMIC_SBDT

PHONE_ON
PM_INT_N
PON_RESET_N

SLEEP_CLK

C412

3

C413

1

OSC400

C428

2

OSC400

D400

2

1

C440

PS_HOLD

BOOT_SW

C414

C415

C418

C422

EXT_5V

C436

R408

25V

R409

1

POS

C439

BAT400

NEG

2

VREG_BT_2.6V

C417

VREG_LCD_2.6V

C426

VREG_MMC_2.85VVREG_RFRX2_2.7V VREG_USIM_3.0V

VREG_RFRX1_2.1V

VREG_MSMA_2.6V

C416

C427

C419

C420

VREG_MSMP_2.6V

VREG_MSME_1.8V

C421

C424

C423

VREG_S2_2.2V

C430

C434

C431

C432

C429

VREG_S3_2.95V

C435

C433

VREG_TCXO_2.8V

C425

VREG_TCXO_2.8V

TRK_LO_ADJ

R106

C124

TCX100

1

VC6VCC

2

NC

3

GND

OUT

NC

5

4

C127

R108

TCXO

C125

RTR6280_TCXO

C132

C131

10-2

SAMSUNG Proprietary-Contents may change without notice

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C420

C414

C334

C407

C406

O
S

C
4
0
0

C437

R406

C416

C43 4 C435

C410

C401

0
0
4

U

PM_INT

C
4
2

C415

7

TP400

C

4

1

7

L
4

0
1

C
4

C40 8 C409

2
2

Flow Chart of Troubleshooting

3
2

R
4
1
0

1
0
4
P
T

3
0
4
P
T

C
4
1
8

C
4
2
5

C412

C426

4
0
3
U

C
4
0
4

R
4
0
8

C430

C
4
3
1

C
4
3
8

R312

6

0

6

3
0

C604

FPC608

C

C

1

1

3

3

1

2

C

R

1

1

2

0

4

6

R
1
0
8

C

P

F

R529

T
C

X
1
0
0

C125C127

C541

F
P
C
6
0
7

2

R
3
0
1

C
3
3
9

C
3
4
2

R
3
1
4

TP_AMUX_OUT

TP404

L
4

0
0

L
4

0
2

8
5

TP402

6
6

M
P

C

C

4

4

0

0

0

2

10-3

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Flow Chart of Troubleshooting

10-2.

Initial

Initial Failure

Yes

pin G13, G12 of UCP300="H"?

Yes

TP_A300,TP_D301,TP_ALE,T

[

P_NANDCS,TP_OE300,TP_C

AS,TP_RAS,TP__CS300,TP_

WE.TP_RESET_OUT]

IS

OK?

OK?

Yes

No

No

Check the circuit connected to reset

Check the circuit related to UME3

00

Check the circuit around LCD&HDC

Short or not solder)

(

Yes

END

600

10-4

SAMSUNG Proprietary-Contents may change without notice

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DAC_REF

VREG_MSMA_2.6V

Flow Chart of Troubleshooting

B21

MDDIC_DATP

A22

MDDIC_STBN

A21

MDDIC_STBP

B18

MDDIH_DATN

B19

MDDIH_DATP

A18

MDDIH_STBN

A19

MDDIH_STBP

TDI
TDO
TMS

C337

9
1
3
R

C339

VREG_MSMP_2.6V

R320

SDRAM_CLK

R321

BUFF_TCXO

PMIC_SBDT

SSBDT_RTR

C338

REF_OUT

UMTS_PA_EN

GSM_PA_PWR_CTL

UMTS_PA_RANGE0

PON_RESET_N

RESOUT2_N

SDRAM_RAS_N

SDRAM_CLK_EN

SLEEP_CLK

NANDFLASH_RE_N

SDRAM_CS_N

NANDFLASH_CE_N

SDRAM_CAS_N

TRK_LO_ADJ

RF_ON_TX_ON

TRST_N

RTCK

TCK

D14
A16
G15
D16
D15
D18
L21
H22
G25

AA20

D12
E15

AD15

AA22

E16
N24
N19
G17
D17
C24

G13
G12

W5

AA1

G1
M4

A15
B15

V2

AE6

V4

U5
W14
AB14

V5

K8

H13
E13
E11

TDI
TDO
TMS
RTCK
TCK
TCXO
SBCK
SBDT
SBST
CCOMP
DAC_IREF
TRST_N
WDOG_EN

PA_DAC_TEST
PA_ON0
PA_POWER_CTL
PA_POWER_CTL_N
PA_RANGE0
PA_RANGE1
PLLOUT_TEST_SE

RESIN_N
RESOUT_N
RESOUT_N_EBI1

ROM1_CLK
ROM1_ADV_N
SDRAM1_CLK_EN

SLEEP_XTAL_IN
SLEEP_XTAL_OUT

OE1_N
OE2_N

XMEM1_CS_N0
XMEM1_CS_N2
XMEM2_CS_N0
XMEM2_CS_N1

XMEM1_HWAIT_N
XMEM1_LWAIT_N

TRK_LO_ADJ
TX_AGC_ADJ
TX_ON

10-5

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This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

C326 C333

VREG_MSMP_2.6V

VREG_MSME_1.8V

C323

C325

C324

C330

C327

C329

C328

C332

C331

A1(0:12)

SDRAM_D(0:31)

SDRAM_DQM(0)
SDRAM_DQM(1)
SDRAM_DQM(2)
SDRAM_DQM(3)

SDRAM_BA0
SDRAM_BA1

TP_A300

A1(0)
A1(1)
A1(2)
A1(3)
A1(4)
A1(5)
A1(6)
A1(7)
A1(8)
A1(9)
A1(10)
A1(11)
A1(12)

TP_D301

SDRAM_D(0)
SDRAM_D(1)
SDRAM_D(2)
SDRAM_D(3)
SDRAM_D(4)
SDRAM_D(5)
SDRAM_D(6)
SDRAM_D(7)
SDRAM_D(8)
SDRAM_D(9)
SDRAM_D(10)
SDRAM_D(11)
SDRAM_D(12)
SDRAM_D(13)
SDRAM_D(14)
SDRAM_D(15)
SDRAM_D(16)
SDRAM_D(17)
SDRAM_D(18)
SDRAM_D(19)
SDRAM_D(20)
SDRAM_D(21)
SDRAM_D(22)
SDRAM_D(23)
SDRAM_D(24)
SDRAM_D(25)
SDRAM_D(26)
SDRAM_D(27)
SDRAM_D(28)
SDRAM_D(29)
SDRAM_D(30)
SDRAM_D(31)

0

1

9

5

5

1

1

8

8

1

P

C

B

N

H

D

B

M

H

D

D

D

N

D

D

D

N

D

C

C

C

C

C

C

C

C
C
V

K4

A0

L1

A1

L2

A2

L3

A3

C2

A4

D2

A5

E1

A6

D3

A7

E2

A8

D4

A9

K3

A10

F2

A11

F1

A12

L4

DQ0

L5

DQ1

L6

DQ2

L7

DQ3

K8

DQ4

L8

DQ5

K7

DQ6

K5

DQ7

K6

DQ8

G7

DQ9

J6

DQ10

J5

DQ11

H6

DQ12

H5

DQ13

J4

DQ14

G3

DQ15

G4

DQ16

F4

DQ17

E4

DQ18

F5

DQ19

H3

DQ20

H4

DQ21

E6

DQ22

F7

DQ23

F6

DQ24

D5

DQ25

E8

DQ26

D6

DQ27

D8

DQ28

D7

DQ29

C8

DQ30

C7

DQ31

J8

DQM0

G6

DQM1

F8

DQM2

E7

DQM3

J3

BA0

K2

BA1

S
S
V

9

1

B

C

C

C

C

V

V

V

S

S

S

S

S

S

V

V

V

0

9

5

1

D

C

C

Q

C

C

C

C

C

V

V

V

V

C
V

UME300

UME300

S

S

S

S

S

S

S

S

S

S

V

V

V

V

V

0

0

9

9

1

1

F

H

E

G

0

0

0

0

9

9

9

9

9

1

1

1

1

L

E

D

D
Q
C
C
V

S
S
V

9

1

J

J

N

K

G

J

F

M

D

D

D

D

D

D

D

D

Q

Q

Q

Q

Q

Q

Q

Q

C

C

C

C

C

C

C

C

C

C

C

C

C

C

V

V

V

V

V

V

S

S

S

S

S

S

S

S

S

S

S

S

V

V

V

V

V

V

0

0

0

9

2

1

1

1

M

M

L

K

N

TP_D300

C

C

N1

V

V

IO1
IO2
IO3
IO4
IO5
IO6
IO7
IO8

IO9
IO10
IO11
IO12
IO13
IO14
IO15
IO16

ALE
CLE

_CE

_RE
_WEN
_CAS
_RAS

_CS

CKE
CLK

_WED

_WP

RY_BY

DNU
DNU
DNU
DNU
DNU
DNU
DNU
DNU
DNU
DNU

NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC

S

S

S

S

V

V

6

9

P

P

D2(0)

N2

D2(1)

N3

D2(2)

M5

D2(3)

P7

D2(4)

M6

D2(5)

N6

D2(6)

M8

D2(7)

P2

D2(8)

P3

D2(9)

N4

D2(10)

P4

D2(11)

P5

D2(12)

N7

D2(13)

M7

D2(14)

N8

D2(15)

C4

TP_ALE

B4

TP_NANDCS

B6

TP_OE300

B3
B7
H2

TP_CAS
TP_RAS

G2
J2

TP_CS300
E3
G8

TP_WE

K1
C3

TP_RESET_OUT
C6

B2
E5

R317

F3
G1
G5
H7
H8
J7
M3
M4

1

2
A2
A9

A10

B1

B10

P1

P10

R1
R2
R9

R10

D2(0:15)

VREG_MSMP_2.6V

NANDFLASH_ALE
NANDFLASH_CLE
NANDFLASH_CE_N
NANDFLASH_RE_N
WE2_N
SDRAM_CAS_N
SDRAM_RAS_N
SDRAM_CS_N
SDRAM_CLK_EN
SDRAM_CLK
SDRAM_WE_N
RESOUT2_N
NANDFLASH_READY

UME300

10-6

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This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

10-3.

Charging Part

Abnormal charging part

U402

Check the Battery&TA

C443=5

pin5="H"?

Yes

V?

Yes

Yes

No

No

Resolder IFC

Replace

U402

600

CHG_ING_N

USB_5V

Yes

END

VREG_MSMP_2.6V

R414

C441

R416 R417

1

2

3

4

5

R418

USBIN

IUSB

PWR

CHRG

U402

BATDET

GND

11

DCIN

BAT

IDCITERM

VBATT

10

9

8

7

6

EN

C442

EXT_5V

VF

CHARGE_EN

C443

10-7

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

10-8

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

10-4.

Sim Part

Insert SIM is displayed on the LCD

"

SIM

(

Check the voltage at pin#1 of

Yes

Check the SIM connector's

connection to SIM card

500)

Yes

SIM

500 >= 3.0V ?

No

No

Resolder or change SIM

Check the U400

500

Yes

Is there any signals pin#2,#3,#4

of SIM

500 ?

Yes

Check the SIM Card

Yes

END

No

Check the U400

10-9

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

VREG_USIM_3.0V

SIM_RST
SIM_CLK

11

22

33

SIM500

6

6

5

5

4

4

R529

SIM_IO

7GG89GG10

C543

C
3
4
2

R
3
1
4

F
P
C
6
0
7

C544

C545C542

I

5

0

0

M

S

C541

R
3
1
6

R
4
1
5

C340

R300

R318

R412

U
3
0

U404

5

R
4
1
3

D401

C

C

5

5

4

4

2

3

C

C
5

5

4

4

5

4

10-10

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

10-5.

Microphone Part

Microphone does not work

Yes

Is the assembled status of

microphone O.K?

Yes

C526is1.8V

Yes

No

Replace the Front Assy'

No

Check the path around MIC bias circuit

Is microphone ok?

Yes

END

No

Check UCP300

10-11

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

10-12

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

10-6.

Speaker Part

Speaker does not work

Is the terminal of speaker

Is there any signals at

Is there any signals at

Check Slide FPCB.

OK?

Yes

C519 and C520

Yes

R512 and R513

Yes

No

No

No

Check the Speaker Wire

Check UCP300

Check the circuit around U500

END

Yes

10-13

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

LINE_OP
LINE_ON

AMPBIAS

MSM_HPH_L
MSM_HPH_R

EAR_L
EAR_R

C519
C520

C521

C522

C523

R530

R514
R515

INA1
INA2
INB1
INB2
INC1
INC2

C1N
C1P

HPL
HPR

IC
IC

U500

2

3

1

1

5

1
A

D
N
G
P
C

5

3

A

A

6

1

5

1

F

F

D

B

D

D

D

D

D

D

D

D

D

D

V

V

V

V

V

P

P

P

P

C

S

D

S

D

N

V

N

P

G
P

C

G

1

6
F

D

OUT+
OUT+

OUT­OUT-

OUTRX

SCL

SDA

SHDN

VBIAS

NC

D

NC

N

S
S

G

V

P

5

3
F

B

C1

R512

F4
E1

R513

F2

C6

D2
C2
E2
B3

1

C524

2

S
A

I
B
P
M
A

C

5
C

AUDIO_SCL

R531

6
1
5
R

AUDIO_SDA

SPK+

SPK-

AMP_EN

VBATT

4

1

1

1

5

5
C

C

E3
E4
E5
D5
B4
C5

A4
A2

A6
B6

B2
E6

C525

6

0

0

C

D

H

C

R
3

0

4

6

F

0
8

C

C

C

3

3

3

0

1

1

4

6

7

C

R

R513

C513

R

C

C

5

5

5

2

1

2

8

9

0

R512

C512

C601

C514

U
5
0

0

R

R

5

5

1

1

4

5

6

0

0

C

D

C511

R531

R

C
5
2
3

C
5
2
5

F602F603F605

R

C

5

5

5

3

1

2

0

6

4

R

R

C

C
5
2
2

5
2
1

R600

3

3

1

0

0

9

C600

H

C

3

3

3

0

2

0

0

7

6

C

R303

F
P
C
6
0
9

R302

C311

C310

C315

C318

3
0
8

C
3
0
9

C
3
3
7

GSM_PA_EN

C301

C305

R
6

6

0

0

6

F

0

0

2

2

MSM6260-NSP

R
6

0

1

6

F

0
1

UCP300

C

C

C

3

3

3

2

3

2

1

8

2

MODE300MODE301

C
5
3
3

C
5
0
5

T
P
_
A
3
0
0

C530

C538

C501

C509

R319

C303

C313

C
3
1
4

C

C

C

3

3

3

0

4

4

1

3

0

C

R

5

5

2

2

9

3

R
5
2
4

C

R

5

5

3

2
7

5

C

R

5

5

0

0

C

3

0
5
0
4

R

C

5

5

0

0

6

8

R

R

3

3

0

0

4

6

R517

R

C

3

5

1

3

5

6

10-14

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This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

10-7.

Receiver Part

Receiver does not work

Does Speaker work well?

pin4,pin8 of U504 is'H'

R526 is'H'

Yes

Yes

Yes

No

Check the Speaker wire

No

?

?

No

Change the U504

Change or resolder R526

Yes

Is Receiver OK

Yes

END

No

?

Change the Speaker

10-15

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

EAR1_OP

SPK+

AUD_SEL

R525

U504

3

COM1

4

IN1

5

NC1

VBATT

6
2
5

R

2

1
O
N

D
N
G

6

1

+
V

NO2

COM2

IN2

2
C
N

7

C534

0
1

9

8

R528

EAR1_ON

SPK-

AUD_SEL

V608

V601

R526

C
5
3
4

U
5

0
4

R
5
2
5

R
5
2
8

C513

C
5
2
0

C512

C601

R513

C
5
1
9

R512

C514

F603F605

10-16

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

10-8.

LCD part

LCD does not work

Yes

Is the LCD Slide FPCB
connected in HDC600?

Yes

C601=2.6V?

Yes

Is Slide FPCB OK

?

Yes

No

No

No

Put the LCD Slide FPCB on HDC600

check C427

Replace the Slide FPCB

Replace the LCD Module

Not OK

Check the U400

END

10-17

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

LCD_BACKLIGHT

CAMIF_MCLK_C

CAM_PWR_EN

CAM_D(6)
CAM_D(4)
CAM_D(2)
CAM_D(0)

I2C_SDA

CAMIF_HSYNC_C

LCD_CS

VSYNC_FLM

L_D2(7)
L_D2(6)
L_D2(5)
L_D2(4)
L_D2(3)
L_D2(2)
L_D2(1)
L_D2(0)

KYPD_9
KYPD_11
KYPD_13

SPK-

SPK+

VREG_LCD_2.6V

VLCD_2.9V

R600

C601

VBATT

C600

HDC600

7788

11
131314
15
17
19
21 22
23
25 26
27
293330
31
333434
353536
373838
39
414242
434344
454646
474748
49
51 52
53
55 56
57
596660

C

C

C

N

N

N

3

62

6

22

10
12

16
18
20

24

28

32

40

50

54

58

C
N

4
6

11

55

99

11 12

15 16
17
19
21
23 24
25
27 28
29
31
33

37
39
41

45

49
51
53 54
55
57 58
59

61

44

10

14

18
20
22

26

30
32

36

40

44

48
50
52

56

60

R601

R602

SUB_LED_EN
VT_STBY_C
CAM_2M_STBY_C
CAM_RST_C
LCD_DET

CAMIF_PCLK_C
CAM_D(7)
CAM_D(5)
CAM_D(3)
CAM_D(1)

I2C_SCL

CAMIF_VSYNC_C
A2(2)
WE2_N
MAIN_LCD_RST
MOTOR_EN
L_D2(15)
L_D2(14)
L_D2(13)
L_D2(12)
L_D2(11)
L_D2(10)
L_D2(9)
L_D2(8)

KEYSENSE(2)

KEYSENSE(1)

KEYSENSE(0)

PHONE_ON

C602

10-18

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

10-9.

FM RADIO Part

FM Radio does not work

Turn on the Radio.

check the Voltage at

C104

(2.6

V) and C136

(2.6

Is there any signal at

L100

Is there any signal at

C341 and C343?

Yes

V), C105

(2.6

Yes

?

Yes

V)?

No

No

No

Check U400

Check the Earphone and F100

Resolder the F100

Yes

Check UCP300

Yes

Check the EAR/SPEAKER Path

No

Replace the UCP300

.

10-19

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

10-20

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

10-10.

GSM Receiver

RX ON

RF input
Cell Power

C1

07≥-65

L105
R103
R104
R105

C108

:62

:-50

>2.5V
<0.5V
<0.5V
>1.5V

-68

≥

CH

Yes

dBm

Yes

Yes

dBm

dBm

No

No

No

CONTINUOUS RX on

RF input

Cell power

Resolder RFS100

Check UCP

Resolder F101 or Change F101

300

:62

:-50

CH

dBm

Yes

U202 PIN

11,12,13,14

500

Check UCP300

mV

END

≥

Yes

No

Check U202

10-21

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

RFS100

ANT103

ANT_JTAG

VREG_FEM_2.7V

GSM_ANT_SEL0_N
GSM_ANT_SEL1_N
GSM_ANT_SEL2_N

C

G

1

2

1

R101

R100

R102

C110

R103
R104
R105

C116

G

A

4

3

2

C107

L103

L105

11

VDD

15

VC1

14

VC2

13

VC3

12

VC4

24

GSM850|900_TX

22

GSM1800|1900_TX

C117 L110

C118

20

ANT

F101

10GG9G19 21GG23 25GG26

F101

GSM850_RX1
GSM850_RX2

GSM900_RX1
GSM900_RX2 4

GSM1800_RX2

GSM1900_RX1 7
GSM1900_RX2 8

UMTS_TRX1

UMTS_TRX3

27GG28

1

2
3

5GSM1800_RX1
6

16

17UMTS_TRX2
18

C108

C112

C115

L104

L106

L107

L108

L109

C109

C113

C114

GSM_RXM_900

GSM_RXP_900

DCS_RXM

DCS_RXP

PCS_RXM

PCS_RXP

C119

L111

FEM

P

M

P

Q

Q

_

_

X

X

T

T

C200

M

I

I

_

_

X

X

T

T

C201

L112

C120

VREG_RFRX1_2.1V

VREG_RFRX2_2.7V

C212

C213

VREG_RFRX1_2.1V

VREG_RFRX1_2.1V

F
E
R
_
C
A
D

C207

ground

R200

d
n
u
o
r

RX_QP
RX_QM
RX_IM

RX_IP

g

6

2

3

4

0

5

1

7

0

8

1

9

7

6

7

6

C

C

G

N

N

U
L
S

1

_

VDDA2

D

2

N

TCXO

G

3

VDDA1

4

VDDA1

5

VTUNE1

6

VDDA1

7

VDDA2

8

NC

9

NC

TP200

10

VDDA1

11

PRX_QP

12

PRX_QN

13

PRX_IN

14

PRX_IP

15

NC

16

NC

17

NC

C

C

N

N

8
1

9

0

1

2

C229

C234

C235

C237

C236

S
AI
B
R
_
X
T

T
D
B
S

6

F
E
R

I
_
C
A
D

2
A
D
D
V

1
2

6

6

P

N

Q

Q

_

_

X

X

T

T

1

M

A

D

D

D

D

V

V

3

2

2

2

6

6

6

6

2

2

PI

NI

A

A

_

_

D

D

X

X

D

D

T

T

V

V

U202

U202

2

2

2

E

N

A

A

N

O

D

D

_

U

F

T

D

D

V

R

V

V

4

6

5

7

2

2

2

2

C226

N
O
_
X
T
_
N
O
_
F
R

9

6

5

2
A
D
D
V

P
NI
_
X
M
_
B
W

9

8

2

2

0
0
1
2
_
P
X
R
_
S
T
M
U

C215

C214

RTR6280_TCXO

C217

C218

C219

SSBDT_RTR

R211

R212

C228

C227

C231

C230

VREG_RFRX2_2.7V

3
T
U
O
_
F
R
_
B
H

M
N

I
_
X
M
_
B

W

0
0
1
2
_
M
X
R
_
S
T
M
U

C233C232

7

8

5

5

2
T
U
O
_
F
R
_
B
H

P
B
L
X
R
P
W

0

1

3

3

5

6

5

5

1

1

2

T

T

T

U

U

U

O

O

O

_

_

_

F

F

F

R

R

R

_

_

_

B

B

B

L

L

H

P

M

M

B

B

B

H

L

H

X

X

X

R

R

R

P

P

P

W

W

W

3

2

3

3

3

4

2

2

2

2

C

C

VREG_MSMP_2.6V

2

3

4

5

5

5

1

2

PDET_IN

A

A

D

D

D

D

V

V

GCELL_INN
GCELL_INP

EGSM_INN
EGSM_INP

DCS_INN

DCS_INP
GPCS_INN
GPCS_INP

WPRXSE1

T
U
O
_
2

WPRXSE2

E
S
X

WPRXSE1_OUT

R
P
W

4
3

C208

C209

NC
NC
NC
NC
NC

NC

UMTS2100_TX

DCS1800_PCS1900_TX

EGSM900_TX

C255

VREG_RFRX2_2.7V

C210

C211

PWR_DET

C216

51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35

GSM_RXM_900
GSM_RXP_900
DCS_RXM
DCS_RXP
PCS_RXM
PCS_RXP

C220

UMTS_RX_2100

F200

1

C222

2

2

0

0

2

2
L

R

IN

L201

G2G

C205

3

OUT

OUT

4

5

C202

C206C204C203

UMTS_RXM_2100

C221

L200

UMTS_RXP_2100

C225

RF TRANSCEIVER

10-22

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

6

0

0

C

D

H

C
2
5
3

C
2
5
0

C246

L210

F203

C

R
3

0

4

6

F

0
8

C

C

C

3

3

3

0

1

1

4

6

7

C

R

C

3

3

3

0

2

0

0

7

6

C

R303

F
P
C
6
0
9

R302

C311

C310

C315

C318

3
0
8

C
3
0
9

C
3
3
7

GSM_PA_EN

R
6

6

0

0

6

F

0

0

2

2

MSM6260-NSP

C301

C305

C

C
2
2

2

0

0

Q

L

0

2

L

L

1

0
8

C

L209

2
4
0

C251

C
2
5
2

R207

1

1

0

C

0

9

1
1
0

C115

L
1
0
5

K

2
0
2
F

C245

L204

U

C113C114

L
1
0
8

C112

5

C
2
4
1

C109

L

L

1

1

0

0
6

7

C108

0

8

-

S

H

D

S

1

0

1

F

C

L
1

1

0

0

3

7

C

2

2

1

1

6

0

L

1

0

4

L

L
1
1
1

C
1
2
1

C
1
1
7

C120

C122

C116

R103

R
1

C118

0
4

3

1

6

1

C
1
1
9

L
1
1
2

R105

1

0

2

0

1

6

UCP300

F

R

U

R
6

F

0
1

C

C

C

3

3

3

2

3

2

1

8

2

MODE300MODE301

T
P
_
A
3
0
0

C
5
3
3

C
5
0
5

C530

C538

C501

C509

R319

C303

C313

C
3
1
4

C

C

C

3

3

3

0

4

4

1

3

0

C

R

5

5

2

2

9

3

R
5
2
4

C

R

5

5

3

2
7

5

C

R

5

5

0

0

C

3

0
5
0
4

R

C

5

5

0

0

6

8

R

R

3

3

0

0

4

6

R517

R

C

3

5

1

3

5

6

6

0

6

C

P

F

C

C

C

R

2

2

3

1

6

1

C
2
2

C

7

2
3
2

C
2
2
8

L200

L201

R202

C
2
4
8

C233

C
2
3
7

C226

C225

C221

0

C223

0
2
F

C224

C222

L202

C

C

2

2

3

4

9

9

2

0

0

Q

C

C

C

2

2

2

1

3

3

5

5

4

8

0

2

C
2
2

L

0

2

C

C
2
1
2

2

2

2

1

1

1

9

8

7

C

C

C

2

2

2

1

0

1

TP200

4

2

3

C203

6

2

R

T

R

2

0

U

R200

C207

C
2
0
1

C
2
0
5

C208

C
2
0
0

C
2
0
4

C209

C206

C211

C

C

2

C109C113C114

2

1

1

6

0

R103

10-23

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

10-11

GSM Transmitter

TX ON

C200
C201

C209

R112

R107
C129
C130

(5

50

≥

50

≥

Yes

dBm

0

≥

Yes

dBm

0

≥

Yes

>2.5V
>1.3V
<0.5V

LEVEL)

mV
mV

No

No

No

No

Check UCP300

Check U202

Resolder F102 or Change F102

Check UCP

300

Yes

C119

L105
R103
R104
R105

Resolder RFS100 or Change RFS100

≥

≥

>2.5V

>1.5V
>1.5V
<0.5V

C107

dBm

30

END

dBm

0

Yes

Yes

Yes

No

No

No

Resolder U102 or Change U102

Check UCP

Resolder F101 or Change F101

300

10-24

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

VREG_RFRX1_2.1V

VREG_RFRX2_2.7V

C212

C213

VREG_RFRX1_2.1V

Flow Chart of Troubleshooting

P

M

P

Q

Q

_

_

X

X

T

T

C200

F
E
R
_
C
A
D

C207

ground

R200

d
n
u
o
r

RX_QP
RX_QM

RX_IM
RX_IP

g

6

4

5

8

3

0

1

7

9

2

6

6

6

6

6

7

7

6

6

6

F

P

PI

S

N

NI

C

C

G

E

AI

Q

N

N

Q

_

U

_

_

R

_

L

X

X

I

B

X

X

T

S

_

1

VDDA2

2

TCXO

3

VDDA1

4

VDDA1

5

VTUNE1

6

VDDA1

7

VDDA2

8

NC

9

NC

TP200

10

VDDA1

11

PRX_QP

12

PRX_QN

13

PRX_IN

14

PRX_IP

15

NC

16

NC

17

NC

C229

C234

C236

C235

T

R

T

T

_

C

_

D

A

X

N

T

D

G

U202

U202

2

2

2

1

E

M

T

A

A

A

N

D

D

D

D

D

U

C

C

T

D

B

D

D

D

N

N

V

V

S

V

V

V

8
1

9

4

0

6

5

1

2

3

1

2

2

2

2

2

2

2

C226

C237

C215

C214

RTR6280_TCXO

C217

C218

C219

SSBDT_RTR

R211

R212

C228

C227

C231

C230

VREG_RFRX2_2.7V

M

I

I

_

_

X

X
T

T

C201

VREG_RFRX1_2.1V

C202

C206C204C203

UMTS_RXM_2100

C221

L200

UMTS_RXP_2100

C225

G2G

C205

3

OUT

OUT

4

5

C208

C209

2

0

1

3

4

5

6

7

8

9

5

6

6

5

5

5

5

5

5

5

1

2

PDET_IN

2

2

2

1

1

2

2

3

A

A

T

T

T

T

T

A

A

A
D
D
V

N
O
_
F
R

D

D

U

U

U

U

U

D

D

D

D

O

O

O

O

O

D

D

V

V

_

_

_

_

_

V

V

GCELL_INN

F

F

F

F

F

R

R

R

R

R

GCELL_INP

_

_

_

_

_

B

B

B

B

B

EGSM_INN

L

L

H

H

H

EGSM_INP

DCS_INN

DCS_INP
GPCS_INN
GPCS_INP

NC
NC
NC
NC
NC

WPRXSE1

T
U

NC

O

P

M

_

NI

N

P

M

M

P

2

WPRXSE2

I

B

_

B

_

E

B

B

X

X

L

L

H

H

S

2

X

X

X

X

X

M

M

WPRXSE1_OUT

A

_

_

R

R

R

R

R

D

P

P

P

B

P

B

P

D

W

W

V

W

W

W

W

W

7

1

0

2

8

3

9

4

2

3

3

3

2

3

2

3

3

4

2

2

2

2

C

C

0

0

N

0

0

O

1

1

_

2

2

X

_

_

T

P

M

_

X

X

N

R

R

O

_

_

_

S

S

VREG_MSMP_2.6V

F

T

T

R

M

M

U

U

C233C232

UMTS2100_TX

DCS1800_PCS1900_TX

EGSM900_TX

C255

VREG_RFRX2_2.7V

C210

C211

PWR_DET

C216

51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35

GSM_RXM_900
GSM_RXP_900
DCS_RXM
DCS_RXP
PCS_RXM
PCS_RXP

C220

UMTS_RX_2100

F200

1

C222

2

2

0

0

2

2
L

R

IN

L201

DCS1800_PCS1900_TX

EGSM900_TX

F102

0
1
1
R

R109

1

IN

RF TRANSCEIVER

1
1
1
R

R112

4

OUT

F102

G2G3G

5

C119

L111

C120

L112

C121

VBATT

TA100

R107

R109

R114R113

0
1
1
R

C122

UMTS_ANT

C126

C129

C128 C130

1
1
1
R

2G PAM

U102

VBATT

4

U102

6 VRAMP
3 TX_EN

BAND_SEL2

9DCS|PCS_OUT

1DCS|PCS_IN

8 GSM_OUT

GND

31

GND

30

GND

29

GND

28

GND

27

GND

26

GND

25

GND

24

GND

23

GND

22

GND

21

GND

20

GND

19

GND

18

GND

17

GND

16

GND

15

GND

14

GND

13

GND

12

GND

11

GND

10

GND

5

GSM_IN7

10-25

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

RFS100

ANT103

ANT_JTAG

VREG_FEM_2.7V

GSM_ANT_SEL0_N
GSM_ANT_SEL1_N
GSM_ANT_SEL2_N

C

G

1

2

1

R101

R100

R102

C110

R103
R104
R105

C116

G

A

4

3

2

C107

L103

L105

11

VDD

15

VC1

14

VC2

13

VC3

12

VC4

24

GSM850|900_TX

22

GSM1800|1900_TX

C117 L110

C118

20

ANT

F101

10GG9G19 21GG23 25GG26

F101

GSM850_RX1
GSM850_RX2

GSM900_RX1
GSM900_RX2 4

GSM1800_RX2

GSM1900_RX1 7
GSM1900_RX2 8

UMTS_TRX1

UMTS_TRX3

27GG28

1

2
3

5GSM1800_RX1
6

16

17UMTS_TRX2
18

C108

C112

C115

L104

L106

L107

L108

L109

C109

C113

C114

GSM_RXM_900

GSM_RXP_900

DCS_RXM

DCS_RXP

PCS_RXM

PCS_RXP

C119

C120

FEM

L111

L112

6

0

6

C

P

F

C

C

C

R

2

C233

C226

C225

C221

C223

C224

C222

L202

C
2
3
9

2

3

1

6

1

C
2
2
7

2

0

0

Q

L
2

6

0

0

C

D

H

C

R
3

0

4

6

F

0
8

C

C

C

3

3

3

0

1

1

4

6

7

C

R

C

3

3

3

0

2

0

0

7

6

C

R303

F
P
C
6
0
9

R302

C311

C310

C315

C318

3
0
8

C
3
0
9

C
3
3
7

GSM_PA_EN

R
6

0

0

6

F

0
2

MSM6260-NSP

6
0
2

C301

C305

R
6

0

1

6

F

0
1

UCP300

C

C

C

3

3

3

2

3

2

1

8

2

MODE300MODE301

T
P
_
A
3
0
0

C
5
3
3

C
5
0
5

C530

C538

C501

C509

R319

C303

C313

C
3
1
4

C

C

C

3

3

3

0

4

4

1

3

0

C

R

5

5

2

2

9

3

R
5
2
4

C

R

5

5

3

2
7

5

C

R

5

5

0

0

C

3

0
5
0
4

R

C

5

5

0

0

6

8

R

R

3

3

0

0

4

6

R517

R

C

3

5

1

3

5

6

C
2
3
2

C

C

2

2

2

3

8

7

L200

0
0
2
F

L201

R202

C

C

2

2

4

4

8

9

C

C

C

2

2

2

1

3

3

5

5

4

8

0

2

C
2
2
0

C

C
2
1
2

2

2

2

1

1

1

9

8

7

C

C

C
2

2

2

0

1

1

TP200

2

4

3

C203

6

2

R

T

R

2

0

U

R200

C207

C
2
0
1

C
2
0
5

C208

C
2
0
0

C
2
0
4

C209

C206

C211

C

C

2

C109C113C114

2

1

1

6

0

R103

10-26

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

C
2
1
6

C
1
1
7

C120

L
1
1
1

C211

C
2
1
0

R
1
0
4

C
1
1
9

R103

C118

F102

6

1

1

3

R113

R112

F

R

Flow Chart of Troubleshooting

R
1
1
4

C128

R107

F
P

T
A
1
0
0

C
6
0
1

C
1
2
1

C122

C116

L
1
1
2

R105

2

0

1

U

R109R110 R111

C126

C
1
3
0

C
1
2
9

10-27

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

10-12.

DCS Receiver

RX ON

RF input
Cell Power

C1

07≥-65

L105
R103
R104
R105

C112

: 698

:-50

>2.5V
<0.5V
>1.5V
>1.5V

-68

≥

CH

Yes

dBm

Yes

Yes

dBm

dBm

No

No

No

CONTINUOUS RX on

RF input

Cell power

Resolder RFS100

Check UCP

Resolder F101 or Change F101

300

:698

:-50

CH

dBm

Yes

U202 PIN

11,12,13,14

500

Check UCP300

mV

END

≥

Yes

No

Check U202

10-28

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

RFS100

Flow Chart of Troubleshooting

ANT103

ANT_JTAG

VREG_FEM_2.7V

GSM_ANT_SEL0_N
GSM_ANT_SEL1_N
GSM_ANT_SEL2_N

C

G

1

2

1

R101

R100

R102

C110

R103
R104
R105

C116

G

A

4

3

2

C107

L103

L105

11

VDD

15

VC1

14

VC2

13

VC3

12

VC4

24

GSM850|900_TX

22

GSM1800|1900_TX

C117 L110

C118

20

ANT

F101

10GG9G19 21GG23 25GG26

F101

GSM850_RX1
GSM850_RX2

GSM900_RX1
GSM900_RX2 4

GSM1800_RX2

GSM1900_RX1 7
GSM1900_RX2 8

UMTS_TRX1

UMTS_TRX3

27GG28

1

2
3

5GSM1800_RX1
6

16

17UMTS_TRX2
18

C108

C112

C115

L104

L106

L107

L108

L109

C109

C113

C114

GSM_RXM_900

GSM_RXP_900

DCS_RXM

DCS_RXP

PCS_RXM

PCS_RXP

C119

L111

FEM

P

M

P

Q

Q

_

_

X

X

T

T

C200

M

I

I

_

_

X

X

T

T

C201

L112

C120

VREG_RFRX1_2.1V

VREG_RFRX2_2.7V

C212

C213

VREG_RFRX1_2.1V

VREG_RFRX1_2.1V

F
E
R
_
C
A
D

C207

ground

R200

d
n
u
o
r

RX_QP
RX_QM
RX_IM

RX_IP

g

8

0

1

7

0

1

9

2

3

4

6

9

5

6

7

7

6

6

6

6

6

6

6

6

5

6

2

2

2

F

S

PI

P

C

C

NI

N

G

N

N

U
L
S

1

_

VDDA2

D

2

N

TCXO

G

3

VDDA1

4

VDDA1

5

VTUNE1

6

VDDA1

7

VDDA2

8

NC

9

NC

TP200

10

VDDA1

11

PRX_QP

12

PRX_QN

13

PRX_IN

14

PRX_IP

15

NC

16

NC

17

NC

C

C

N

N

8
1

9
1

C229

C234

C236

C235

A

A

A

E

AI

Q

_

Q

_

D

D

D

_

R

_

X

X

I

B

X

D

D

D

X

T

T

_

R

T

T

V

V

V

C

_

A

X
T

D

U202

U202

P
NI
_

2

X

2

2

2

1

E

N

M

M

T

A

A

A

A

N

O

_

D

D

D

D

D

D

_

U

B

F

T

D

B

D

D

D

D

V

V

S

R

V

V

V

V

W

4

0

6

5

1

7

2

8

3

9

2

2

2

2

2

2

2

2

2

2

C226

0

N

0

O

1

_

2

X

_

T

P

_

X

N

R

O

_

_

S

F

T

R

M
U

C237

C215

C214

RTR6280_TCXO

C217

C218

C219

SSBDT_RTR

R211

R212

C228

C227

C231

C230

VREG_RFRX2_2.7V

8
5

3
T
U
O
_
F
R
_
B
H

M
N

I
_
X
M
_
B

W

0
3

0
0
1
2
_
M
X
R
_
S
T
M
U

C233C232

6

7

5

5

2

2

T

T

U

U

O

O

_

_

F

F

R

R

_

_

B

B

L

H

M

P

B

B

L

L

X

X

R

R

P

P

W

W

1

2

3

3

3
2
2
C

2

3

4

5

5

5

5

5

1

2

PDET_IN

1

1

A

A

T

T

D

D

U

U

D

D

O

O

V

V

_

_

GCELL_INN

F

F

R

R

GCELL_INP

_

_

B

B

EGSM_INN

L

H

EGSM_INP

DCS_INN

DCS_INP
GPCS_INN
GPCS_INP

WPRXSE1

T
U
O
_

P

M

2

WPRXSE2

B

B

E

H

H

S

X

X

X

WPRXSE1_OUT

R

R

R

P

P

P

W

W

W

3

4

3

3

4
2
2
C

VREG_MSMP_2.6V

C208

C209

NC
NC
NC
NC
NC

NC

UMTS2100_TX

DCS1800_PCS1900_TX

EGSM900_TX

C255

VREG_RFRX2_2.7V

C210

C211

PWR_DET

C216

51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35

GSM_RXM_900
GSM_RXP_900
DCS_RXM
DCS_RXP
PCS_RXM
PCS_RXP

C220

UMTS_RX_2100

F200

1

C222

2

2

0

0

2

2
L

R

IN

L201

G2G

C205

3

OUT

OUT

4

5

C202

C206C204C203

UMTS_RXM_2100

C221

L200

UMTS_RXP_2100

C225

RF TRANSCEIVER

10-29

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

6

0

0

C

D

H

C
2
5
3

C
2
5
0

C246

L210

F203

C

R
3

0

4

6

F

0
8

C

C

C

3

3

3

0

1

1

4

6

7

C

R

C

3

3

3

0

2

0

0

7

6

C

R303

F
P
C
6
0
9

R302

C311

C310

C315

C318

3
0
8

C
3
0
9

C
3
3
7

GSM_PA_EN

R
6

6

0

0

6

F

0

0

2

2

MSM6260-NSP

C301

C305

C

C
2
2

2

0

0

Q

L

0

2
0
8

C
1
1

L209

C251

R207

0

L
1
0
5

2
0
2
F

C
2
4
0

C
2
5
2

L
1
1
0

C115

C245

L204

C113C114

L

L

L

1

1

1

0

0

0

7

8

9

C112

K

0

8

5

U

-

D

1

0

1

C

L

2

1

4

0

1

3

C109

L
1
0
6

C108

S

F

C

2

2

1

1

0

6

L

1

0

4

H

L

S

C
1
0
7

L
1
1
1

C
1
2
1

C
1
1
7

C120

C122

C116

R103

R
1

C118

0
4

3

1

6

1

C
1
1
9

L
1
1
2

R105

1

0

2

0

1

6

UCP300

F

R

U

R
6

F

0
1

C

C

C

3

3

3

2

3

2

1

8

2

MODE300MODE301

T
P
_
A
3
0
0

C
5
3
3

C
5
0
5

C530

C538

C501

C509

R319

C303

C313

C
3
1
4

C

C

C

3

3

3

0

4

4

1

3

0

C

R

5

5

2

2

9

3

R
5
2
4

C

R

5

5

3

2
7

5

C

R

5

5

0

0

C

3

0
5
0
4

R

C

5

5

0

0

6

8

R

R

3

3

0

0

4

6

R517

R

C

3

5

1

3

5

6

6

0

6

C

P

F

C

C

C

R

2

2

3

1

6

1

C
2
2

C

7

2
3
2

C
2
2
8

L200

L201

R202

C
2
4
8

C233

C
2
3
7

C226

C225

C221

0

C223

0
2
F

C224

C222

L202

C

C

2

2

3

4

9

9

2

0

0

Q

C

C

C

2

2

2

1

3

3

5

5

4

8

0

2

C
2
2

L

0

2

C

C
2
1
2

2

2

2

1

1

1

9

8

7

C

C

C

2

2

2

1

0

1

TP200

4

2

3

C203

6

2

R

T

R

2

0

U

R200

C207

C
2
0
1

C
2
0
5

C208

C
2
0
0

C
2
0
4

C209

C206

C211

C

C

2

C109C113C114

2

1

1

6

0

R103

10-30

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

10-13.

DCS Transmitter

TX ON

C200
C201

C208

R107
C129
C130

L112

LEVEL)

(0

50

≥

50

≥

Yes

dBm

0

≥

Yes

>2.5V
>1.3V
>1.3V

Yes

dBm

0

≥

mV
mV

No

No

No

No

Check UCP300

Check U202

Check UCP

Resolder U102 or Change U102

300

Yes

L105

>2.5V

R103

<0.5V

R104

>1.5V

R105

>1.5V

Yes

C107

dBm

30

≥

Yes

Resolder RFS100 or Change RFS100

END

No

No

Check UCP

Resolder F101 or Change F101

300

10-31

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

VREG_RFRX1_2.1V

C215

C214

C218

C219

R211

C227

VREG_RFRX2_2.7V

C212

C213

VREG_RFRX1_2.1V

R212

C228

RTR6280_TCXO

C217

C230

VREG_RFRX2_2.7V

RX_QP
RX_QM

SSBDT_RTR

C231

P

M

P

Q

Q

_

_

X

X

T

T

C200

F
E
R
_
C
A
D

C207

ground

R200

d
n
u
o
r
g

6

4

5

8

3

0

1

7

9

2

6

6

6

6

6

7

7

6

6

6

F

P

PI

S

N

NI

C

C

G

E

AI

Q

N

N

Q

_

U

_

_

R

_

L

X

X

I

B

X

X

T

S

_

1

VDDA2

2

TCXO

3

VDDA1

4

VDDA1

5

VTUNE1

6

VDDA1

7

VDDA2

8

NC

9

NC

TP200

10

VDDA1

11

PRX_QP

12

PRX_QN

13

RX_IM

PRX_IN

14

RX_IP

PRX_IP

15

NC

16

NC

17

NC

C229

C234

C236

C235

T

R

T

T

_

C

_

D

A

X

N

T

D

G

U202

U202

2

2

2

1

E

M

T

A

A

A

N

D

D

D

D

D

U

C

C

T

D

B

D

D

D

N

N

V

V

S

V

V

V

8
1

9

4

0

6

5

1

2

3

1

2

2

2

2

2

2

2

C226

C237

M

I

I

_

_

X

X
T

T

C201

VREG_RFRX1_2.1V

C202

C206C204C203

UMTS_RXM_2100

C221

L200

UMTS_RXP_2100

C225

G2G

C205

3

OUT

OUT

4

5

C208

C209

2

0

1

3

4

5

6

7

8

9

5

6

6

5

5

5

5

5

5

5

1

2

PDET_IN

2

2

2

1

1

2

2

3

A

A

T

T

T

T

T

A

A

A
D
D
V

N
O
_
F
R

D

D

U

U

U

U

U

D

D

D

D

O

O

O

O

O

D

D

V

V

_

_

_

_

_

V

V

GCELL_INN

F

F

F

F

F

R

R

R

R

R

GCELL_INP

_

_

_

_

_

B

B

B

B

B

EGSM_INN

L

L

H

H

H

EGSM_INP

DCS_INN

DCS_INP
GPCS_INN
GPCS_INP

NC
NC
NC
NC
NC

WPRXSE1

T
U

NC

O

P

M

_

NI

N

P

M

M

P

2

WPRXSE2

I

B

_

B

_

E

B

B

X

X

L

L

H

H

S

2

X

X

X

X

X

M

M

WPRXSE1_OUT

A

_

_

R

R

R

R

R

D

P

P

P

B

P

B

P

D

W

W

V

W

W

W

W

W

7

1

0

2

8

3

9

4

2

3

3

3

2

3

2

3

3

4

2

2

2

2

C

C

0

0

N

0

0

O

1

1

_

2

2

X

_

_

T

P

M

_

X

X

N

R

R

O

_

_

_

S

S

VREG_MSMP_2.6V

F

T

T

R

M

M

U

U

C233C232

UMTS2100_TX

DCS1800_PCS1900_TX

EGSM900_TX

C255

VREG_RFRX2_2.7V

C210

C211

PWR_DET

C216

51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35

GSM_RXM_900
GSM_RXP_900
DCS_RXM
DCS_RXP
PCS_RXM
PCS_RXP

C220

UMTS_RX_2100

F200

1

C222

2

2

0

0

2

2
L

R

IN

L201

RF TRANSCEIVER

C119

L111

C121

VBATT

L112

R107

TA100

0
1
1
R

R109

C120

C122

UMTS_ANT

C126

C129

C128 C130

1
1
1
R

U102

VBATT

4

U102

6 VRAMP
3 TX_EN

BAND_SEL2

2G PAM

9DCS|PCS_OUT

1DCS|PCS_IN

8 GSM_OUT

GND

31

GND

30

GND

29

GND

28

GND

27

GND

26

GND

25

GND

24

GND

23

GND

22

GND

21

GND

20

GND

19

GND

18

GND

17

GND

16

GND

15

GND

14

GND

13

GND

12

GND

11

GND

10

GND

5

GSM_IN7

10-32

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

RFS100

Flow Chart of Troubleshooting

ANT103

ANT_JTAG

VREG_FEM_2.7V

GSM_ANT_SEL0_N
GSM_ANT_SEL1_N
GSM_ANT_SEL2_N

C

G

1

2

1

R101

R100

R102

C110

R103
R104
R105

C116

G

A

4

3

2

C107

L103

L105

11

VDD

15

VC1

14

VC2

13

VC3

12

VC4

24

GSM850|900_TX

22

GSM1800|1900_TX

C117 L110

C118

20

ANT

F101

10GG9G19 21GG23 25GG26

F101

GSM850_RX1
GSM850_RX2

GSM900_RX1
GSM900_RX2 4

GSM1800_RX2

GSM1900_RX1 7
GSM1900_RX2 8

UMTS_TRX1

UMTS_TRX3

27GG28

1

2
3

5GSM1800_RX1
6

16

17UMTS_TRX2
18

C108

C112

C115

L104

L106

L107

L108

L109

C109

C113

C114

GSM_RXM_900

GSM_RXP_900

DCS_RXM

DCS_RXP

PCS_RXM

PCS_RXP

C119

C120

FEM

L111

L112

6

0

6

C

P

F

C

C

C

R

2

C233

C226

C225

C221

C223

C224

C222

L202

C
2
3
9

2

3

1

6

1

C
2
2
7

2

0

0

Q

L
2

6

0

0

C

D

H

C

R
3

0

4

6

F

0
8

C

C

C

3

3

3

0

1

1

4

6

7

C

R

C

3

3

3

0

2

0

0

7

6

C

R303

F
P
C
6
0
9

R302

C311

C310

C315

C318

3
0
8

C
3
0
9

C
3
3
7

GSM_PA_EN

R
6

0

0

6

F

0
2

MSM6260-NSP

6
0
2

C301

C305

R
6

0

1

6

F

0
1

UCP300

C

C

C

3

3

3

2

3

2

1

8

2

MODE300MODE301

T
P
_
A
3
0
0

C
5
3
3

C
5
0
5

C530

C538

C501

C509

R319

C303

C313

C
3
1
4

C

C

C

3

3

3

0

4

4

1

3

0

C

R

5

5

2

2

9

3

R
5
2
4

C

R

5

5

3

2
7

5

C

R

5

5

0

0

C

3

0
5
0
4

R

C

5

5

0

0

6

8

R

R

3

3

0

0

4

6

R517

R

C

3

5

1

3

5

6

C
2
3
2

C

C

2

2

2

3

8

7

L200

0
0
2
F

L201

R202

C

C

2

2

4

4

8

9

C

C

C

2

2

2

1

3

3

5

5

4

8

0

2

C
2
2
0

C

C
2
1
2

2

2

2

1

1

1

9

8

7

C

C

C
2

2

2

0

1

1

TP200

2

4

3

C203

6

2

R

T

R

2

0

U

R200

C207

C
2
0
1

C
2
0
5

C208

C
2
0
0

C
2
0
4

C209

C206

C211

C

C

2

C109C113C114

2

1

1

6

0

R103

10-33

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

C211

C

C

2

2

1

1

6

0

C
1
1
7

C120

L
1
1
1

R103

R
1

C118

0
4

C
1
1
9

F102

6

1

1

3

R113

R112

F

R

R
1
1
4

C128

R107

F
P

T
A
1
0
0

C
6
0
1

C
1
2
1

C122

C116

L
1
1
2

R105

2

0

1

U

R109R110 R111

C126

C
1
3
0

C
1
2
9

10-34

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

10-14. P

CS Receiver

RX ON

RF input
Cell Power

C1

07≥-65

L105
R103
R104
R105

C115

≥

CH

: 660

:-50

Yes

Yes

>2.5V

<0.5V
>1.5V
<0.5V

Yes

-68

dBm

dBm

dBm

No

No

No

CONTINUOUS RX on

RF input

Cell power

Resolder RFS100

Check UCP

Resolder F101 or Change F101

300

:660

:-50

CH

dBm

Yes

U202 PIN

11,12,13,14

500

Check UCP300

END

mV

≥

Yes

No

Check U202

10-35

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

RFS100

ANT103

ANT_JTAG

VREG_FEM_2.7V

GSM_ANT_SEL0_N
GSM_ANT_SEL1_N
GSM_ANT_SEL2_N

C

G

1

2

1

R101

R100

R102

C110

R103
R104
R105

C116

G

A

4

3

2

C107

L103

L105

11

VDD

15

VC1

14

VC2

13

VC3

12

VC4

24

GSM850|900_TX

22

GSM1800|1900_TX

C117 L110

C118

20

ANT

F101

10GG9G19 21GG23 25GG26

F101

GSM850_RX1
GSM850_RX2

GSM900_RX1
GSM900_RX2 4

GSM1800_RX2

GSM1900_RX1 7
GSM1900_RX2 8

UMTS_TRX1

UMTS_TRX3

27GG28

1

2
3

5GSM1800_RX1
6

16

17UMTS_TRX2
18

C108

C112

C115

L104

L106

L107

L108

L109

C109

C113

C114

GSM_RXM_900

GSM_RXP_900

DCS_RXM

DCS_RXP

PCS_RXM

PCS_RXP

C119

L111

FEM

P

M

P

Q

Q

_

_

X

X

T

T

C200

M

I

I

_

_

X

X

T

T

C201

L112

C120

VREG_RFRX1_2.1V

VREG_RFRX2_2.7V

C212

C213

VREG_RFRX1_2.1V

VREG_RFRX1_2.1V

F
E
R
_
C
A
D

C207

ground

R200

d
n
u
o
r

RX_QP
RX_QM
RX_IM

RX_IP

g

8

0

1

7

0

1

9

2

3

4

6

9

5

6

7

7

6

6

6

6

6

6

6

6

5

6

2

2

2

F

S

PI

P

C

C

NI

N

G

N

N

U
L
S

1

_

VDDA2

D

2

N

TCXO

G

3

VDDA1

4

VDDA1

5

VTUNE1

6

VDDA1

7

VDDA2

8

NC

9

NC

TP200

10

VDDA1

11

PRX_QP

12

PRX_QN

13

PRX_IN

14

PRX_IP

15

NC

16

NC

17

NC

C

C

N

N

8
1

9
1

C229

C234

C236

C235

A

A

A

E

AI

Q

_

Q

_

D

D

D

_

R

_

X

X

I

B

X

D

D

D

X

T

T

_

R

T

T

V

V

V

C

_

A

X
T

D

U202

U202

P
NI
_

2

X

2

2

2

1

E

N

M

M

T

A

A

A

A

N

O

_

D

D

D

D

D

D

_

U

B

F

T

D

B

D

D

D

D

V

V

S

R

V

V

V

V

W

4

0

6

5

1

7

2

8

3

9

2

2

2

2

2

2

2

2

2

2

C226

0

N

0

O

1

_

2

X

_

T

P

_

X

N

R

O

_

_

S

F

T

R

M
U

C237

C215

C214

RTR6280_TCXO

C217

C218

C219

SSBDT_RTR

R211

R212

C228

C227

C231

C230

VREG_RFRX2_2.7V

8
5

3
T
U
O
_
F
R
_
B
H

M
N

I
_
X
M
_
B

W

0
3

0
0
1
2
_
M
X
R
_
S
T
M
U

C233C232

6

7

5

5

2

2

T

T

U

U

O

O

_

_

F

F

R

R

_

_

B

B

L

H

M

P

B

B

L

L

X

X

R

R

P

P

W

W

1

2

3

3

3
2
2
C

2

3

4

5

5

5

5

5

1

2

PDET_IN

1

1

A

A

T

T

D

D

U

U

D

D

O

O

V

V

_

_

GCELL_INN

F

F

R

R

GCELL_INP

_

_

B

B

EGSM_INN

L

H

EGSM_INP

DCS_INN

DCS_INP
GPCS_INN
GPCS_INP

WPRXSE1

T
U
O
_

P

M

2

WPRXSE2

B

B

E

H

H

S

X

X

X

WPRXSE1_OUT

R

R

R

P

P

P

W

W

W

3

4

3

3

4
2
2
C

VREG_MSMP_2.6V

C208

C209

NC
NC
NC
NC
NC

NC

UMTS2100_TX

DCS1800_PCS1900_TX

EGSM900_TX

C255

VREG_RFRX2_2.7V

C210

C211

PWR_DET

C216

51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35

GSM_RXM_900
GSM_RXP_900
DCS_RXM
DCS_RXP
PCS_RXM
PCS_RXP

C220

UMTS_RX_2100

F200

1

C222

2

2

0

0

2

2
L

R

IN

L201

G2G

C205

3

OUT

OUT

4

5

C202

C206C204C203

UMTS_RXM_2100

C221

L200

UMTS_RXP_2100

C225

RF TRANSCEIVER

10-36

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

6

0

0

C

D

H

C

R
3

0

4

6

F

0
8

C

C

C

3

3

3

0

1

1

4

6

7

C

R

C

3

3

3

0

2

0

0

7

6

C

R303

F
P
C
6
0
9

R302

C311

C310

C315

C318

3
0
8

C
3
0
9

C
3
3
7

GSM_PA_EN

R
6

6

0

0

6

F

0

0

2

2

MSM6260-NSP

C301

C305

C
2
2

2

0

0

Q

L

0

C
2
5
3

C
2
5
0

C246

L210

F203

2
0
8

C

L209

2
4
0

C251

C
2
5
2

R207

L

L

1

1

0

1

C

9

0

1
1
0

C115

L
1
0
5

K

U

2
0
2
F

C245

L204

0

1

6

UCP300

C113C114

L

L

1

1

0

0

7

8

C112

0

8

5

-

D

1

0

1

C
2
4
1

F

L
1
0
3

C109

L
1
0
6

C108

S

F

R
6
0
1

H

S

C
1
0
7

C

C

C

3

3

3

2

3

2

1

8

2

MODE300MODE301

T
P
_
A
3
0
0

C

C

2

2

1

1

0

6

L

1

0

4

L

L
1
1
1

C
1
2
1

C
1
1
7

C120

C122

C116

R103

R
1

C118

0
4

C
1
1
9

L
1
1
2

R105

C
5
3
3

C
5
0
5

C530

C538

C501

C509

R319

C303

C313

C
3
1
4

C

C

C

3

3

3

0

4

4

1

3

0

C

R

5

5

2

2

9

3

R
5
2
4

C

R

5

5

3

2
7

5

C

R

5

5

0

0

C

3

0
5
0
4

R

C

5

5

0

0

6

8

R

R

3

3

0

0

4

6

R517

R

C

3

5

1

3

5

6

3

1

F

6

1

R

1

0

2

U

6

0

6

C

P

F

C

C

C

R

2

2

3

1

6

1

C
2
2

C

7

2
3
2

C
2
2
8

L200

L201

R202

C
2
4
8

C233

C
2
3
7

C226

C225

C221

0

C223

0
2
F

C224

C222

L202

C

C

2

2

3

4

9

9

2

0

0

Q

C

C

C

2

2

2

1

3

3

5

5

4

8

0

2

C
2
2

L

0

2

C

C
2
1
2

2

2

2

1

1

1

9

8

7

C

C

C

2

2

2

1

0

1

TP200

4

2

3

C203

6

2

R

T

R

2

0

U

R200

C207

C
2
0
1

C
2
0
5

C208

C
2
0
0

C
2
0
4

C209

C206

C211

C

C

2

C109C113C114

2

1

1

6

0

R103

10-37

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

10-15.

PCS Transmitter

TX ON

C200
C201

C208

R107
C129
C130

L112

LEVEL)

(0

50

≥

50

≥

Yes

dBm

0

≥

Yes

>2.5V
>1.3V
>1.3V

Yes

dBm

0

≥

mV
mV

No

No

No

No

Check UCP300

Check U202

Check UCP

Resolder U102 or Change U102

300

Yes

L105

>2.5V

R103

<0.5V

R104

>1.5V

R105

<0.5V

Yes

C107

dBm

30

≥

Yes

Resolder RFS100 or Change RFS100

END

No

No

Check UCP

Resolder F101 or Change F101

300

10-38

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

VREG_RFRX1_2.1V

VREG_RFRX2_2.7V

C212

C213

VREG_RFRX1_2.1V

Flow Chart of Troubleshooting

P

M

P

Q

Q

_

_

X

X

T

T

C200

F
E
R
_
C
A
D

C207

ground

R200

d
n
u
o
r

RX_QP
RX_QM

g

8

6

3

0

4

1

7

5

9

6

6

6

7

6

7

6

6

6

F

PI

S

P

N

NI

C

C

G

E

AI

Q

N

N

Q

U

_

_

_

R

_

L

X

X

I

B

X

X

S

T

_

1

VDDA2

2

TCXO

3

VDDA1

4

VDDA1

5

VTUNE1

6

VDDA1

7

VDDA2

8

NC

9

NC

TP200

10

VDDA1

11

PRX_QP

12

PRX_QN

13

RX_IM

PRX_IN

14

RX_IP

PRX_IP

15

NC

16

NC

17

NC

C229

C234

C236

C235

T

R

T

T

_

C

_

D

A

X

N

T

D

G

U202

U202

2

2

2

1

E

M

T

A

A

A

N

D

D

D

D

D

U

C

C

T

D

B

D

D

D

N

N

V

V

S

V

V

V

8
1

9

4

0

5

1

2

3

1

2

2

2

2

2

2

C226

C237

C215

C214

RTR6280_TCXO

C217

C218

C219

SSBDT_RTR

R211

R212

C228

C227

C230

VREG_RFRX2_2.7V

C231

M

I

I

_

_

X

X

T

T

C201

VREG_RFRX1_2.1V

C202

C206C204C203

UMTS_RXM_2100

C221

L200

UMTS_RXP_2100

C225

G2G

C205

3

OUT

OUT

4

5

C208

C209

4

2

0

1

2
6

6
2

3

5

6

7

8

9

5

5

6

6

5

5

5

5

5

5

1

2

PDET_IN

1

2

2

2

1

2

2

3

A

A

T

T

T

T

T

A

A

A
D
D
V

N
O
_
F
R

D

D

U

U

U

U

U

D

D

D

D

O

O

O

O

O

D

D

V

V

_

_

_

_

_

V

V

GCELL_INN

F

F

F

F

F

R

R

R

R

R

GCELL_INP

_

_

_

_

_

B

B

B

B

B

EGSM_INN

L

L

H

H

H

EGSM_INP

DCS_INN

DCS_INP
GPCS_INN
GPCS_INP

NC
NC
NC
NC
NC

WPRXSE1

T
U

NC

O

P

M

_

NI

N

P

M

M

P

2

WPRXSE2

I

B

_

B

_

E

B

B

X

X

L

L

H

H

S

2

X

X

X

X

X

M

M

WPRXSE1_OUT

A

_

_

R

R

R

R

R

D

P

P

P

B

P

B

P

D

W

W

V

W

W

W

W

W

7

1

0

2

8

3

9

4

2

3

3

3

2

3

2

3

3

4

2

2

2

2

C

C

0

0

N

0

0

O

1

1

_

2

2

X

_

_

T

P

M

_

X

X

N

R

R

O

_

_

_

S

S

VREG_MSMP_2.6V

F

T

T

R

M

M

U

U

C233C232

UMTS2100_TX

DCS1800_PCS1900_TX

EGSM900_TX

C255

VREG_RFRX2_2.7V

C210

C211

PWR_DET

C216

51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35

GSM_RXM_900
GSM_RXP_900
DCS_RXM
DCS_RXP
PCS_RXM
PCS_RXP

C220

UMTS_RX_2100

F200

1

C222

2

2

0

0

2

2
L

R

IN

L201

RF TRANSCEIVER

C119

L111

C121

VBATT

L112

R107

TA100

0
1
1
R

R109

C120

C122

UMTS_ANT

C126

C129

C128 C130

1
1
1
R

9DCS|PCS_OUT

U102

VBATT

4

U102

6 VRAMP
3 TX_EN

BAND_SEL2

1DCS|PCS_IN

2G PAM

8 GSM_OUT

GND

31

GND

30

GND

29

GND

28

GND

27

GND

26

GND

25

GND

24

GND

23

GND

22

GND

21

GND

20

GND

19

GND

18

GND

17

GND

16

GND

15

GND

14

GND

13

GND

12

GND

11

GND

10

GND

5

GSM_IN7

10-39

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

RFS100

ANT103

ANT_JTAG

VREG_FEM_2.7V

GSM_ANT_SEL0_N
GSM_ANT_SEL1_N
GSM_ANT_SEL2_N

C

G

1

2

1

R101

R100

R102

C110

R103
R104
R105

C116

G

A

4

3

2

C107

L103

L105

11

VDD

15

VC1

14

VC2

13

VC3

12

VC4

24

GSM850|900_TX

22

GSM1800|1900_TX

C117 L110

C118

20

ANT

F101

10GG9G19 21GG23 25GG26

F101

GSM850_RX1
GSM850_RX2

GSM900_RX1
GSM900_RX2 4

GSM1800_RX2

GSM1900_RX1 7
GSM1900_RX2 8

UMTS_TRX1

UMTS_TRX3

27GG28

1

2
3

5GSM1800_RX1
6

16

17UMTS_TRX2
18

C108

C112

C115

L104

L106

L107

L108

L109

C109

C113

C114

GSM_RXM_900

GSM_RXP_900

DCS_RXM

DCS_RXP

PCS_RXM

PCS_RXP

C119

C120

FEM

L111

L112

6

0

6

C

P

F

C

C

C

R

2

C233

C226

C225

C221

C223

C224

C222

L202

C
2
3
9

2

3

1

6

1

C
2
2
7

2

0

0

Q

L
2

6

0

0

C

D

H

C

R
3

0

4

6

F

0
8

C

C

C

3

3

3

0

1

1

4

6

7

C

R

C

3

3

3

0

2

0

0

7

6

C

R303

F
P
C
6
0
9

R302

C311

C310

C315

C318

3
0
8

C
3
0
9

C
3
3
7

GSM_PA_EN

R
6

0

0

6

F

0
2

MSM6260-NSP

6
0
2

C301

C305

R
6

0

1

6

F

0
1

UCP300

C

C

C

3

3

3

2

3

2

1

8

2

MODE300MODE301

T
P
_
A
3
0
0

C
5
3
3

C
5
0
5

C530

C538

C501

C509

R319

C303

C313

C
3
1
4

C

C

C

3

3

3

0

4

4

1

3

0

C

R

5

5

2

2

9

3

R
5
2
4

C

R

5

5

3

2
7

5

C

R

5

5

0

0

C

3

0
5
0
4

R

C

5

5

0

0

6

8

R

R

3

3

0

0

4

6

R517

R

C

3

5

1

3

5

6

C
2
3
2

C

C

2

2

2

3

8

7

L200

0
0
2
F

L201

R202

C

C

2

2

4

4

8

9

C

C

C

2

2

2

1

3

3

5

5

4

8

0

2

C
2
2
0

C

C
2
1
2

2

2

2

1

1

1

9

8

7

C

C

C
2

2

2

0

1

1

TP200

2

4

3

C203

6

2

R

T

R

2

0

U

R200

C207

C
2
0
1

C
2
0
5

C208

C
2
0
0

C
2
0
4

C209

C206

C211

C

C

2

C109C113C114

2

1

1

6

0

R103

10-40

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

C
2
1
6

C
1
1
7

C120

L
1
1
1

C211

C
2
1
0

R
1
0
4

C
1
1
9

R103

C118

F102

6

1

1

3

R113

R112

F

R

Flow Chart of Troubleshooting

R
1
1
4

C128

R107

F
P

T
A
1
0
0

C
6
0
1

C
1
2
1

C122

C116

L
1
1
2

R105

2

0

1

U

R109R110 R111

C126

C
1
3
0

C
1
2
9

10-41

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

10-16.

WCDMA Receiver

RF input

Cell Power

C1

07≥-65

L105
R103
R104
R105

C241

C251

RX ON

: 10700

Yes

>2.5V

>1.5V
<0.5V
>1.5V

Yes

-68

≥

-71

≥

:-50

Yes

dBm

dBM

Yes

dBM

CH

dBm

No

No

No

No

CONTINUOUS RX on

RF input

Cell power

Resolder RFS100

Check UCP

Resolder F101 or Change F101

Resolder F202 or Change F202

300

: 10700

:-50

dBm

CH

Yes

C222

C221
C225

-74

≥

-74

≥

-74

≥

U202 PIN

11,12,13,14

mV

500

Yes

Check UCP300

END

dBM

Yes

dBM
dBM

Yes

≥

No

Check U202

No

Resolder F200 or Change F200

No

Check U202

10-42

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

RFS100

Flow Chart of Troubleshooting

ANT103

ANT_JTAG

VREG_FEM_2.7V

GSM_ANT_SEL0_N
GSM_ANT_SEL1_N
GSM_ANT_SEL2_N

C

G

1

2

1

R101

R100

R102

C110

R103
R104
R105

C116

G

A

4

3

2

C107

L103

L105

11

VDD

15

VC1

14

VC2

13

VC3

12

VC4

24

GSM850|900_TX

22

GSM1800|1900_TX

C117 L110

C118

20

ANT

F101

10GG9G19 21GG23 25GG26

F101

GSM850_RX1
GSM850_RX2

GSM900_RX1
GSM900_RX2 4

GSM1800_RX2

GSM1900_RX1 7
GSM1900_RX2 8

UMTS_TRX1

UMTS_TRX3

27GG28

1

2
3

5GSM1800_RX1
6

16

17UMTS_TRX2
18

C108

C112

C115

L104

L106

L107

L108

L109

C109

C113

C114

GSM_RXM_900

GSM_RXP_900

DCS_RXM

DCS_RXP

PCS_RXM

PCS_RXP

C119

C120

FEM

L111

L112

UMTS_ANT

C241

L204

C245

2

ANT

F202

G34G

G

F202

G

6G89

RX

G

TX

1

C251

57

L208

UMTS_RX_2100

L209

10-43

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

VREG_RFRX1_2.1V

C215

C214

C218

C219

R211

R212

C228

C227

VREG_RFRX2_2.7V

C212

C213

VREG_RFRX1_2.1V

RTR6280_TCXO

C217

VREG_RFRX2_2.7V

P

M

P

Q

Q

_

_

X

X

T

T

C200

F
E
R
_
C
A
D

C207

ground

R200

d
n
u
o
r
g

6

4

5

8

3

0

1

7

9

2

6

6

6

6

6

7

7

6

6

6

F

P

PI

S

N

NI

C

C

G

E

AI

Q

N

N

Q

_

U

_

_

R

_

L

X

X

I

B

X

X

T

S

_

1

VDDA2

2

TCXO

3

VDDA1

4

VDDA1

5

VTUNE1

6

VDDA1

7

VDDA2

8

NC

9

NC

TP200

10

VDDA1

11

RX_QP
RX_QM

SSBDT_RTR

C231

C230

PRX_QP

12

PRX_QN

13

RX_IM

PRX_IN

14

RX_IP

PRX_IP

15

NC

16

NC

17

NC

C229

C234

C236

C235

T

R

T

T

_

C

_

D

A

X

N

T

D

G

U202

U202

2

2

2

1

E

M

T

A

A

A

N

D

D

D

D

D

U

C

C

T

D

B

D

D

D

N

N

V

V

S

V

V

V

8
1

9

4

0

6

5

1

2

3

1

2

2

2

2

2

2

2

C226

C237

M

I

I

_

_

X

X

T

T

C201

VREG_RFRX1_2.1V

C208

C209

UMTS2100_TX

DCS1800_PCS1900_TX

EGSM900_TX

C210

VREG_RFRX2_2.7V

C211

C205

C202

C206C204C203

C255

A
D
D
V

N
O
_
F
R

7
2

N
O
_
X
T
_
N
O
_
F
R

D

D

U

U

U

U

U

D

D

D

D

O

O

O

O

O

D

D

V

V

_

_

_

_

_

V

V

GCELL_INN

F

F

F

F

F

R

R

R

R

R

GCELL_INP

_

_

_

_

_

B

B

B

B

B

EGSM_INN

L

L

H

H

H

EGSM_INP

DCS_INN

DCS_INP
GPCS_INN
GPCS_INP

NC
NC
NC
NC
NC

WPRXSE1

T
U

NC

O

P

M

_

NI

N

P

M

M

P

2

WPRXSE2

I

B

_

B

_

E

B

B

X

X

L

L

H

H

S

2

X

X

X

X

X

M

M

WPRXSE1_OUT

A

_

_

R

R

R

R

R

D

P

P

P

B

P

B

P

D

W

W

V

W

W

W

W

W

1

0

2

8

3

9

4

3

3

3

2

3

2

3

3

4

2

2

2

2

C

C

0

0

0

0

1

1

2

2

_

_
P

M

X

X

R

R

_

_

S

S

VREG_MSMP_2.6V

T

T

M

M

U

U

C233C232

2

0

1

3

4

5

6

7

8

9

5

6

6

5

5

5

5

5

5

5

1

2

PDET_IN

2

2

2

1

1

2

2

3

A

A

T

T

T

T

T

A

A

PWR_DET

C216

51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35

GSM_RXM_900
GSM_RXP_900
DCS_RXM
DCS_RXP
PCS_RXM
PCS_RXP

C220

UMTS_RX_2100

F200

3

OUT

1

IN

OUT

4

C222

2

2

0

0

2

2
L

R

G2G

5

L201

L200

UMTS_RXM_2100

C221

UMTS_RXP_2100

C225

RF TRANSCEIVER

F200

1

IN

F200

C222

2
0
2
R

G2G

L201

3

OUT

OUT

4

5

C221

L200

C225

UMTS_RXM_2100

UMTS_RXP_2100

10-44

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

6

0

6

C

P

F

C

C

C

R

2

C233

C226

C225

C221

C223

C224

C222

L202

C
2
3
9

2

3

1

6

1

C
2
2
7

2

0

0

Q

L
2

6

0

0

C

D

H

C

C

R
3

6

F

0

4

0
8

C

C

C

3

3

3

1

0

1

7

4

6

C

C

R

3

3

3

0

0

2

7

6

0

C

R303

F
P
C
6
0
9

R302

C311

C310

C315

C318

C301

C305

3
0
8

C
3
0
9

C
3
3
7

GSM_PA_EN

R
6

6

F

0

0

0
2

MSM6260-NSP

C
6
0
2

R
6

6

F

0

1

0
1

UCP300

C

3

3

3

3

2

2

8

2

1

MODE300MODE301

T
P
_
A
3
0
0

C
5
3
3

C
5
0
5

C530

C538

C501

C509

R319

C303

C313

C
3
1
4

C

C

C

3

3

3

0

4

4

1

3

0

C

R
5

5
2

2

9

3

R
5
2
4

R

C

5

5

2

3

7

5

R

C

5

5

0

0

C

0

3
5
0
4

R

C

5

5

0

0

6

8

R

R

3

3

0

0

4

6

R517

C

R

5

3

3

1

6

5

C
2
3
2

C

C

2

2

2

3

8

7

L200

0
0
2
F

L201

R202

C

C

2

2

4

4

8

9

C

C

C

2

2

2

1

3

3

5

5

4

8

0

2

C
2
2
0

C

C
2
1
2

2

2

2

1

1

1

9

8

7

C

C

C
2

2

2

0

1

1

TP200

2

4

3

C203

6

2

R

T

R

2

0

U

R200

C207

C
2
0
1

C
2
0
5

C208

C
2
0
0

C
2
0
4

C209

C206

C211

C

C

2

C109C113C114

2

1

1

6

0

R103

C
2
3
8

C
2
5
5

C
2
3
0

C231

R212

C229

C247

L205

C244

F201

2
3
2

C

C

2

2

2

3

8

7

L200

0
0
2
F

L201

R202

C
2
4
8

L206

L203

L207

C24 2 C243

U
2

0
1

R

R

R

2

2

2

0

0

1

9

8

0

FPC600

6

2

8

0

R

T

R

C233

C226

C225

C221

C223

C224

2

2

0

U

C222

L202

C

C

2

2

3

4

9

9

0

0

C
2
5
3

C
2
4
0

2

L209

C251

C
2
2

Q

L

0

2
0
8

C
1
1
0

L
1
0
5

L
1
1
0

C115

C113C114

L

L

1

1

0

0

9

8

C112

K

5

U

-

S

0

8

H

D

S

L

C246

1

0

1

L210

C
2
5
0

F203

2

C
2
5
2

0
2
F

C245

R207

L204

F

C
2
4
1

10-45

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

10-17.

WCDMA Transmitter

TX ON

C200
C201

C244

L206

C253

C250

(23

≥
≥

≥

≥

>2.0V

20

≥

50
50

Yes

dBm

0

Yes

dBm

0

Yes

Yes

mV
mV

dBm

dBm)

No

No

No

No

No

Check U300

Check U202

Resolder F201 or Change F201

Check UCP

Resolder U201 or Change U201

300

Yes

F202

pin7

C241

L105
R103
R104
R105

Resolder RFS100 or Change RFS100

≥

C107

≥

dBm

17

Yes

14

≥

Yes

>2.5V

>1.5V
<0.5V
>1.5V

Yes

dBm

30

Yes

dBm

No

No

No

No

Resolder F203 or Change F203

Resolder F202 or Change F202

Check UCP

Resolder F101 or Change F101

300

END

10-46

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

VREG_RFRX1_2.1V

VREG_RFRX2_2.7V

C212

C213

VREG_RFRX1_2.1V

Flow Chart of Troubleshooting

P

M

P

Q

Q

_

_

X

X

T

T

C200

F
E
R
_
C
A
D

C207

ground

R200

d
n
u
o
r

RX_QP

RX_QM

g

8

6

3

0

4

1

7

5

9

6

6

6

7

6

7

6

6

6

F

PI

S

P

N

NI

C

C

G

E

AI

Q

N

N

Q

U

_

_

_

R

_

L

X

X

I

B

X

X

S

T

_

1

VDDA2

2

TCXO

3

VDDA1

4

VDDA1

5

VTUNE1

6

VDDA1

7

VDDA2

8

NC

9

NC

TP200

10

VDDA1

11

PRX_QP

12

PRX_QN

13

RX_IM

PRX_IN

14

RX_IP

PRX_IP

15

NC

16

NC

17

NC

C229

C234

C236

C235

T

R

T

T

_

C

_

D

A

X

N

T

D

G

U202

U202

2

2

2

1

E

M

T

A

A

A

N

D

D

D

D

D

U

C

C

T

D

B

D

D

D

N

N

V

V

S

V

V

V

8
1

9

4

0

5

1

2

3

1

2

2

2

2

2

2

C226

C237

C215

C214

RTR6280_TCXO

C217

C218

C219

SSBDT_RTR

R211

R212

C228

C227

C230

VREG_RFRX2_2.7V

C231

M

I

I

_

_

X

X

T

T

C201

VREG_RFRX1_2.1V

C202

C206C204C203

UMTS_RXM_2100

C221

L200

UMTS_RXP_2100

C225

G2G

C205

3

OUT

OUT

4

5

C208

C209

4

5

2

0

6

1

7

2
6

6
2

3

8

9

5

5

5

6

5

6

5

5

5

5

1

2

PDET_IN

1

2

1

2

2

2

2

3

A

A

T

T

T

T

T

A

A

A
D
D
V

N
O
_
F
R

D

D

U

U

U

U

U

D

D

D

D

O

O

O

O

O

D

D

V

V

_

_

_

_

_

V

V

GCELL_INN

F

F

F

F

F

R

R

R

R

R

GCELL_INP

_

_

_

_

_

B

B

B

B

B

EGSM_INN

L

L

H

H

H

EGSM_INP

DCS_INN

DCS_INP
GPCS_INN
GPCS_INP

NC
NC
NC
NC
NC

WPRXSE1

T
U

NC

O

P

M

_

NI

N

P

M

M

P

2

WPRXSE2

I

B

_

B

_

E

B

B

X

X

L

L

H

H

S

2

X

X

X

X

X

M

M

WPRXSE1_OUT

A

_

_

R

R

R

R

R

D

P

P

P

B

P

B

P

D

W

W

V

W

W

W

W

W

7

1

0

2

8

3

9

4

2

3

3

3

2

3

2

3

3

4

2

2

2

2

C

C

0

0

N

0

0

O

1

1

_

2

2

X

_

_

T

P

M

_

X

X

N

R

R

O

_

_

_

S

S

VREG_MSMP_2.6V

F

T

T

R

M

M

U

U

C233C232

UMTS2100_TX

DCS1800_PCS1900_TX

EGSM900_TX

C255

VREG_RFRX2_2.7V

C210

C211

PWR_DET

C216

51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35

GSM_RXM_900
GSM_RXP_900
DCS_RXM
DCS_RXP
PCS_RXM
PCS_RXP

C220

UMTS_RX_2100

F200

1

C222

2

2

0

0

2

2
L

R

IN

L201

RF TRANSCEIVER

F201

C251

C244

L208

L209

1

IN

2G3G5

UMTS_RX_2100

F201

G

OUT

L206

4

C248

C249

UMTS_ANT

C241

L204

C245

2

ANT

1

F202

G34G

G

F202

G

6G89

RX

G

TX

C251

57

L208

UMTS_RX_2100

L209

L205

UMTS2100_TX

C247

UMTS_ANT

C241

L204

C245

TX

1

PWR_DET

G

G34G

F202

2

ANT

6G89

RX

57

G

G

F203

1

IN

COUP

OUT

F203

50OHM

34

7
0
2
R

2

R208

0

9

1

0

2

2

R

R

10-47

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

RFS100

ANT103

ANT_JTAG

VREG_FEM_2.7V

GSM_ANT_SEL0_N
GSM_ANT_SEL1_N
GSM_ANT_SEL2_N

C

G

1

2

1

R101

R103
R104
R105

R100

R102

C110

C116

G

A

4

3

2

C107

L103

L105

C117 L110

C118

11

VDD

15

VC1

14

VC2

13

VC3

12

VC4

24

GSM850|900_TX

22

GSM1800|1900_TX

20

ANT

F101

10GG9G19 21GG23 25GG26

F101

GSM850_RX1
GSM850_RX2

GSM900_RX1
GSM900_RX2 4

GSM1800_RX2

GSM1900_RX1 7
GSM1900_RX2 8

UMTS_TRX1

UMTS_TRX3

27GG28

1

2
3

5GSM1800_RX1
6

16

17UMTS_TRX2
18

FEM

C108

C112

C115

C119

L111

L104

L106

L107

L108

L109

L112

C109

C113

C114

C120

GSM_RXM_900

GSM_RXP_900

DCS_RXM

DCS_RXP

PCS_RXM

PCS_RXP

C
2
3
0

C231

R212

C229

C247

L205

C244

F201

F201

C
2
3
8

C
2
5
5

2
3
2

C

C

2

2

2

3

8

7

L200

0
0
2
F

L201

R202

C
2
4
8

L206

L203

L207

C24 2 C243

U
2

0
1

R

R

R

2

2

2

0

0

1

9

8

0

FPC600

6

2

8

0

R

T

R

C233

C226

C225

C221

C223

C224

U202

2

0

2

U

C222

6

0

0

C

D

L202

C

C

2

2

3

4

9

9

0

0

C
2
5
3

C
2
4
0

C246

L210

C

C

2

2

5

5

2

0

F203

2

Q

L209

C251

R207

C
2
2

L

0

2
0
8

C
1
1
0

L
1
0
5

2
0
2
F

L
1
1
0

C115

C245

L204

C113C114

L

L

1

1

0

0

9

8

C112

K

5

U

-

S

0

8

H

D

S

L

1

0

1

F

C

2

4

1

R
3

4

0
8

C

C

3

3

0

1

4

6

C

R

3

3

0

2

6

0

R303

F
P
C
6
0

R302

9

C311

C310

C315

C318

6

6

F

0

0

0

C
3
1
7

C
3
0
7

C
3
0
8

C
3
0
9

C
3
3
7

GSM_PA_EN

C301

C305

H

C

R
6

6

F

0

0

2

2

MSM6260-NSP

UCP300

C

C

R
6

6

F

0

1

0
1

C

3

3

3

3

2

2

8

2

1

MODE300MODE301

C
5
3
3

C
5
0
5

T
P
_
A
3
0
0

C530

C538

C501

C509

R319

C303

C313

C
3
1
4

C

C

C

3

3

3

0

4

4

1

3

0

C

R
5

5
2

2

9

3

R
5
2
4

R

C

5

5

2

3

7

5

R

C

5

5

0

0

C

0

3
5
0
4

R

C

5

5

0

0

6

8

R

R

3

3

0

0

4

6

R517

C

R

5

3

3

1

6

5

10-48

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

10-49

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

10-18.

Bluetooth Part

BT Connection disable

Check BT function

ON

Yes

C105

>2.5V?

Yes

C106

=32.768

Check the assembled

staus of BT_ANT100

KHz

Yes

No

Enable BT function

No

?

No

No

Check the circuit connected to

and Check the

U400

Check the circuit connected to

U400 and Check the U400

Resolder or change BT_ANT100

U400

Yes

Resolder or change F100

END

10-50

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

U400

Flow Chart of Troubleshooting

BT_ANT100

F100

10-51

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

U400

10-52

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization