MEF

9. Flow Chart of Troubleshooting 9-1.Baseband 9-1-1Power ON ' Power On ' does not work Yes

No

Check the Battery Voltage is more than 3.4V

Change the Battery

Yes

No

C321(VINT) = 2.55V?

Check the PMU related to VINT

Yes

No

Check the Clock at OSC300=32KHZ

Resolder OSC300

Yes

No

C325(VDD_IO_LOW_1.8V) & C304(VDD_IO_HIGH_2.6V) = "H"?

Check the related circuit

Yes

No

C327(VDD_GSM_CORE_1.2V)

Check the VDD_GSM_CORE_1.2V circuit

= 1.2V? Yes

Check the initial operation

Yes

END

9-1

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

VBAT

VDD_A_3G_2V6

C300

C301

VDD_IO_HIGH_2V6 VDD_A_HIGH_2V6 VDD_RF2G_RF(1)_2V8 VDD_RF2G_RF(2)_2V8 VDD_SD_3V2

VDD_RF3G_RF(3)_2V8 VDD_BT_2V8

VBAT VDD_IO_LOW_1V8

VDD_USB_3V3

VDD_D_CAM_1V5

VBAT VDD_USB_CHG_5V0

VDD_MAIN_KEY_LED_3V3 VDD_CAM_1V8

4700nF

10000nF

VDD_A_CAM_2V8

4700NF

VDD_SIM_3V0

VDD_MOT_3V3

J5

A5

C304

C311

C310

C309

C307

C308

H10 VCC

VBUS

J7

C1

B1

VBAT1

VBAT2

VBAT_SENSE

E9

K5

A1

USIMVIN

D9

G9

USBVIN

RF4VDD

USBVDD

RF1RF2_VIN

RF3RF4_VIN

RF3VDD

A8

E10

C10

B10

D10

F10

HCVIN

IOVDD

RF2VDD

RF1VDD

MIC_BIAS_VDD

K9

C2

K8

HCVDD

GPOVIN

F9

H1

DCD3VIN

F3

H3

D8

H2

D7IOVIN

D5D6VIN

D1D2VIN

DCD2VIN

DCD1VIN

A9

G8

G10

A10

D4VIN

D5VDD

D6VDD

SCL S DA

K4 J4

OSCI

VSAVE

OSCO

VPAD

PWR EN1

NC

PWR EN2

NC

PWR EN3

NC NC

C8

NC

VSS

VSS

VSS

VSS

A2 B2

B8

B6

C3 2 1

B7

R300

C7

C322

C3 2 0

PMU_INT_BB

C5 D7

AUX_ON

C3

ON_KEY_N PMU_RST_BB

G3

C4

R 301

C9 B4

C3 2 4

A6 B3

USB_SUSPEND SCL(1) SDA(1)

TP_SUSPEND

F8 C6 B5 E2

VDD_IO_LOW_1V8 H9 J8

B A T3 0 0

J9 1 2

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

VSS

REFGND

VSS

VSS

VSS

DCD1GND

VDD_IO_LOW_1V8

DCD3GND

USIM_PR ES

GPIO12_GND

USIM_ACT

B9

G5

G4

G6

G7

F7

F4

F6

F5

E7

E8

E4

E5

E6

E3

J1

D5

D4

D6

A7

C330 F1

C329

D7VDD

R EFC SCU SB

H4

SIM_OFF_N

CCSET

DCD3 L X

CLK32K

DCD2GND

TP_REF_ON

AT BO UT

DCD3 F B

K2

REF_ON 3G_MODEM_ON_OFF 3G_REF_ON

2

RSTH C_N

OTPVPP

A3

OSC300

D4VDD

K6

DCD2 L X

A4

1

ONKEY_N

U300

DCD2 F B

H5

C327

H8

DCD1 L X

K1

C3 2 6

EXTON_N

D1

C3 2 5

J10

DCD1 F B

K3

C323

IN T_N REC_N

F2

L3 0 2

K10

V I NT 2 GPO1 GPO2

G2

32KHZ_DIGIT

V I NT 1

GPIO6

D2

E1

VHIGH

GPIO5

D3

G1

V CHG 2

GPIO4

H6

L300

V CHG 1

GPIO3

H7

L301

D3VIN

GPIO1 GPIO2

J6

BT_REQ_CLK DYN_VOLT_CTRL(1) DYN_VOLT_CTRL(2)

D3VDD

K7

VDD_GSM_CORE_1V2

VDD_CORE_1V2

D2VDD

D1VDD

J2

VDD_IO_LOW_1V8

VDD_RF_DIG_1V8

C306

4700NF C319

C317

C318

470nF

C316

C314

C315

470nF

C313

C312

VDD_EXT_CHG_5V0

J3

VDD_RF3G_RF(4)_1V5

C303

C305

VDD_A_LOW_1V2

PM IC C127

VBAT

near to transceiver

VDD_RF3G_R F(3)_2V8

L112

ANT 1

RX

VDD_RF2G_R F(2)_2V8

C133

M2 M3

A4

GSM_RXP_850 GSM_RXM_850 DCS_RXP DCS_RXM GSM_RXP_900 GSM_RXM_900 PCS_RXP PCS_RXM

A3 A8 A7 A6 A5 A 10 A9

VCTCXO100

A1 3 C1 3

K1 J1

C153 F3 N 10 E3

C156

N9 D3 M9

REF_ON

R112 RAMP V_RAMP

TP_RF_CLK TP_RF_DATA

N1 L2 C3

TP_EN_RF TP_PDN_N TP_RST_RFIC

L1 C1 0 M 11

VDD_BALUN

3 _R X Q -

2 _ R FIE N 2 _ R FIP P

U100

2 _ R FIP N

3 _ TX I+ 3 _ T XI -

2 _ R FO H

3 _ T XQ +

2 _ R FO L

3_ TX Q -

2 _ X TA L 1

3_ TX O U TB A ND 1 +

2 _ X TA L 2

3_ TX O U TB AN D 1 3_ TX O U TB A ND 2 +

2 _ A FC

3_ TX O U TB AN D 2 -

2_V I O

3_ TX O U TB A ND 5 +

2_X D I V

3_ TX O U TB AN D 5 -

2_X O UT 3 _S P IC LK

2_X M O D E

3 _S P ID A TA

2_X E N

3 _ S P I EN 2 _ R A M PI N 3 _S Y SC L K EN

2_R A MPO UT

3_S Y S CL K O U T 2 _ S C LK 3_T C XO IN

2_S D I O 2_D IAG A D 2_S E N B

3 _ R E S ET N

2_P D N B

3_ BG M O N IT OR

2 _ R ES E T B 3 _ T E ST PI N 1

F100

C169

M8

C144

H3

L113

G3

near to transceiver

L9

L10

6 ANT

E 13

A1

TP_RX_IP

B1 D1

TP_RX_QP

C1

N7

TP_TX_IP

N6 N4

L114

C145

F1 3

TP_TX_QP

N5

3G_R X_IP 3G_R X_IN 3G_R X_QP 3G_R X_QN

1 RX

F101

3G_TX_IP 3G_TX_IN 3G_TX_QP 3G_TX_QN C151

N 13 N 12

B(1)_PA_IN

L1 3 M1 3 J1 3

C155

K 13

D 10 E 10 F1 0

TP_RF_SPI_CLK TP _RF_SPI_DATA TP_RF_SPI_EN

3G_RF_SPI_CLK 3G_R F_SPI_DATA 3G_RF_SPI_EN

L116

B 10 A 11

F1

3G_REF_CLK

TP_3G_RESET 3G_RESET_N

TX

9 8 7 5 4 2

C149

C161

C162

G 10 H 10

B3 F2

L11

L7

L8

L5

L4

L3

L6

K9

K11

K8

K3

K4

K5

K7

K6

J11

J2

J3

J9

H12

H11

H9

H2

G9

F11

G11

G12

F9

E9

D9

D2

E11

D11

C8

C9

C11

C7

C6

C5

C4

C2

C143

M7

G 13

C164 B12

B(8)_TRX

M1 M6

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

3 _ T E ST PI N 2

GND

C141

B13

G2 3_VLOOPF

E1

H1

A12 3_VDDDIGIO

3_VDD3_TXSYN

3_VDD3_RXSYN

3_VDDDIGCORE

N3

3_VDD1V_3

3_VDD3

A2

B2

D13

3_VDD1V_2

N8

N2

G1

H13

2_VDD_BB

3_VDD1V_1

2_VDD_SYHF

3_DCDCVBATT

1

2

M12

NC

NC

3_PAGND

E2

J12

B11

L12

3_PAGND

3_PAGND

3 _ R XI -

GND

EN_RF PDN_N RST_RFIC

3 _ R X I+

3 _ R XQ +

GND

RF_CLK RF_DATA

J10

3_ R X INB A N D 5

2 _ R FIA N

2 _ R FIE P

GND

C160

3_ R X INB A N D 2 2 _ R FIA P

2 _ R FID N

GND

C157

3_ R X INB A N D 1

2 _ R FID P

B4

C159

K1 0

3 _ L D O I N PA 3_ LD O IN S YN

2_B QN

GND

L115

D_R EF_CLK

3 _L D O I NM A IN

2 _ B IP

B5

3

C150

4

VCC OUT

1 2 VCON GND

DCS_PA GSM_PA

2 _ A U XC L K EN

2 _ B IN

B7

VDD_RF_DIG_1 V8

C140

C142

3_D C D C O U T 3 _D C D CT E ST 3_ D C D C SE N S E

2_B QP

B6

VDD _RF2G_RF(1)_2V8

C139

C132

3

C146

B(8)_PA_OUT

G G G G G G

M5

3_DCDCGND

K2 M4

RX_TX_IN RX_TX_IP RX_TX_QN RX_TX_QP

2 _ A U XC L K

B8

B T_REQ_CLK

N1 1 M 10

B9

TRANCEIVER

R114 R115

BT_C LK

K12

C138

3_PAGND

C137

3_GNDDIGIO

C136

3_GNDDIGCORE

C135

B( 1)_PA_OUT

C131

VD D_RF3G_RF(4)_1V5

3G_REF_CLK

3

C130

VDD_RF2G_R F(1)_2V8

AFC

TX

G 9 G 8 G 7 G 5 G 4 G 2

VDD_RF2G_RF(2)_2V8

L111

6

C128

L118 VDD_RF_DIG_1V8

C134

B(1)_TRX

L110

9-2

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

B(8)_PA_IN

C147

C148

Flow Chart of Troubleshooting

9-3

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-1-2. Initial

Initial Failure Yes

No

UCP200 pin A8 (RSTBB_N)

Check the circuit related to reset

="H"?

Yes

No

UCP200 pin A15 (RSTEXTn) ="H"?

change UCP200

OK?

Yes Check the 16bit data signal & memory CE Yes END

9-4

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

VBAT

VDD _A_ HIGH_ 2V6

VDD_A_ LOW_1 V2

C226

C225

VDD_I O_H IGH_2 V6

3 G_ MO DEM_O N_O FF VDD_ A_ 3G_ 2V6

VDD_SD_ 3V2

VD D_USB_3 V3 VDD_CORE_ 1V2

VD D_GSM_CORE_1V 2

VDD_A_ HIGH_ 2V6

V DD _IO_LO W_ 1V8

V DD _CAM_ 1V 8

V DD _SIM_3 V0

J23

L23

V17

K22

H22

F13 VDDE9

VDDE7

VDDE7

VDDE7

VDDE7

VDDE7

VDDE8

Y22

Y23

G23

AC13

AC22

AA23

VDDE4

VDDE3

VDDE3

VDDE6

VDDE5

VDDE5

J6

G9

H6

M23

AA22

VDDE2

VDDE2

VDDE2

F21

G20

G21

AB19

VDDE2

VDDE1

VDDE1

VDDE1

VDDE1

L6

T6

Y6

P22

F20

B14

AC19

VDDE1

VDDE1

VDDDBBI

VDDDCGU

VDDDBBICGU

M13

M14

M12

VDDC2

VDDC2

VDDC2

VDDC2

VDDC2EN_N

VDDD3GCGU

L11

L14

L13

M11

L12

VDDC2

VDDC2

VDDC2

VDDC2

T18

V18

AB12

VDDC2

P11

P12

U17

U18

VDDC1

VDDC1

VDDC1

VDDC1

VDDC1

VDDC1

N11

N12

M18

M17

L18

VDDC1

VDDC1

VDDC1

VDDC1

VDDC1

VDDC1

V23

L17

AC12

VDDC1

N22

AB9

AB8

VDDAVB2

VDDAVBO

AH7

AC9

AC8

VDDAH1

VDDAH1

VDDASDI

VDDAVB1

VDDAREF

VDDAUSB

P6

N6

AG7

VDDACLK

R6

U6

R22

VDDACGU

VDDABBICGU

VDDABBIVREF

W6

AA6

VDDAACGU

VDDABBI2G

VDDA3GCGU

VDDABBI3GDAC

VDE_D14

NC

VDE_D15

NC NC

VDE_CS0 _N

NC

VDE_CS1 _N

NC NC

VDE_EOF I

NC

VDE_EOF I_CO PY

NC

VDE_RD_ N

NC

VDE_WR_ N

NC

NFI_ D0

NC

NFI_ D1

NC

NFI_ D2

NC

NFI_ D3

NC

B3 C2

NC

NFI_ D5

NC

NFI_ D6

NC

NFI_ D7

NC

C3 C4 C23 F22

NC

NFI_ CLE

NC

NFI_ RDY

NC

NFI_ RE_N

NC

NFI_ WE_ N

NC

NFI_ CE_N

NC

NFI_ CE_N_CO PY

NC

A25

B24 B25 B23

NC

EBI_ OE_N _R_W_N_ COPY

NC

EBI_ WE_ N_E_ COPY

NC

JSEL0

NC

JSEL1

NC

AF3

AB1 6 AB1 8 AB2 2 AC6 AC7 AC1 6 AC1 8 AD3 AE1 AF1 AF2 AF4 AF5 AG2 AG3 AG4 AG5 AG6 AG8 AG9 AH2 AH8 AH1 1 AH1 2

NC

NC

KCO L1 KCO L2

NC

KCO L3

NC

KCO L4

NC NC

KCO L6

NC

KCO L7

NC

KRO W0

NC

KRO W1

NC

KRO W2

NC

KRO W3

NC

KRO W4

NC

NC

C13 F8 F10 F12 F16 F18 G8 G10 G12 G14 G16 K6 K7 N23 P23 R23 T22 T23 U22 U23 V6 W23 1 2

VSSDBBICGU

VSSDBBI

VSSDCGU

VSSD3GCGU

T7

L7

Y7

P18

VSSAREF

VSSAVB1

VSSAVBO

VSSAVB2

AB10

AC10

VSSAH1

VSSAH1

VSSAH1

VSSAUSB

VSSASDI

V22

AF9

AF8

N18

AB11

AC11

VSSAH1

AF7

AF6

VSSABBICGUQ

VSSABBI3GDAC

VSSACGU

VSSABBIVREF

VSSACLK

GNDE

GNDE

VSSABBI2G

VSSAACGU

VSSA3GCGU

VSSABBICGU

V7

U7

N7

W7

R18

P7

R7

M7

W27

AA7

AB7

GNDE

GNDE

GNDE

N27

R27

U27

GNDE

GNDE

GNDE

GNDE

GNDE

J7

L22

J27

L27

J22

K23

GNDE

GNDE

KRO W7

VSSABBI3GADC

KRO W5 KRO W6

TRS T_N

A13

NC

KCO L5

TM S

A14

NC KCO L0

TD I TD O

C22 A26

NC EBI_ ADV_N

TC K

A23 A27

NC NFI_ ALE

R207

R208

R209

SDA(1 ) M _S D A

C1

NC

NFI_ D4

R2 06

SCL (1) M_S CL

B1

NC

H23

AF 19

VREF

GNDE

AF 18 AG 19

T RST_ N

GNDE

AG 18 AG 16

TMS4 TR ST4_ N

VDE_D11

VDE_D13

GNDE

AF 16

VDE_D8 VDE_D9 VDE_D10

VD D_ IO_ LOW_1 V8

ZD200

P2

VDE_D12

G27

AF 17

TMS

G22

AF 15

TD O TDO 4

V DD_ CA M_1 V8 IOM_D CL IOM _D D IOM_D U IOM_F SC D _R E F _C L K R TC K

B2

TDI4

VDE_D6 VDE_D7

G19

KEY _ROW(0) KEY _ROW(1) KEY _ROW (2) KEY _ROW(3) KEY _ROW(4)

N1 C25 A24

TDI

VDE_D3 VDE_D4 VDE_D5

GNDE

AH20 AH19

K EY_ROW( 0:4 )

TCK 4

GNDE

AG 15

TC K

VDE_D2

R ST_ BB T P_R ST_ EX T_N

AC1 7

SD ATIO 2

VDE_D0

GNDE

AH16

AH17 AH18

A8 A15

AB1 5 AB1 7

SDA 1

VDE_D1

SIM _RST

AC1 5

SDA 2

GNDE

AG 17

L2 AF11

SDATIN 2

GNDE

AH15

SD _CMD SIM _IO SIM _CLK

AF10

SCLK 2

VDE_A0

SD_ DA TA( 0) S D _C L K

AG10

SC L2

SDI_ WE_ N SDI_ PVTREF

GNDE

F23

KEY _COL( 0) KEY _COL( 1) KEY _COL( 2) KEY _COL( 3) KEY _COL( 4)

SC L1

F14

C2 4

KE Y_COL(0:4 )

R TS1_ N

F11

AH27 AH26

L1

AF12 AG11

RTC K RTCK 4

SDI_ CAS_N

R202

P3

AG12

MCL K SDI_ CLK SDI_ CLK_ N

SDI_ RAS_N

E27

AG 25

VD D_ IO_ LOW_1 V8

DU FSC

C11

AG 24

SDI_ LDQ S SDI_ UDQS

C27

AH25

DD

G18

AF 24

DCL

GNDE

AF 22

RSTBB_ N RST EXT_ N

SDI_ LDQ M

GNDE

AF 23

SDI_ CS0_ N SDI_ CS1_ N

SDI_ UDQM

GNDE

AG 20

AG 23

AH24

SIMRST_ N

GNDE

AF 20

SIMPW R

SDI_ CKE1

AC14

AG 22

AH21

SDI_ CKE0

AC20

NFI_D (7)

NF I_A LE NF I_C LE SMP_NF I_RDY N FI_ RE _N NFI_ WE _N N FI_ CE _N

AG 21

SIMIO SIMCL K

AC21

NFI_D (4) NFI_D (5) NFI_D (6)

AF 21 AH22

SDI_ DQ14 SDI_ DQ15

AB21

NFI_D (2) NFI_D (3)

AG 28

AH23

F CICL K F CICMD

GNDE

NFI_D (0) NFI_D (1)

SDI_ DQ12

A12

LCD _WR NFI_D(0: 7)

DIISWS

SDI_ DQ13

32K HZ _DI GIT

F3 D3 E3

DTR1_ N

FCIDATA 0

DE TEC T_ USB _3V3

J3

DSR1_ N

SDI_ DQ10

AB20

AF 28

AE 27

LCD_ RD

ZD201

AF 26 AG 26

AA28

W22

DIISC K

SDI_ DQ9

US B_ DM US B_ DP

Y27

DIISSD O

SDI_ DQ11

GNDC

FLM

SDI_ DQ7 SDI_ DQ8

GNDC

LC D_C S

SDI_ DQ6

GNDC

AA27

SDI_ DQ5

RX D(1 ) TXD(1)

Y26 AA2 6

CLK32I

UCP200

SDI_ DQ3 SDI_ DQ4

GNDC

AD27

AB27

SDI_ DQ2

GNDC

AF 27 AD28

AC28

AB28

K1 K2

USBRREF

GNDC

AE 28

USBVBUS

V11

AC23 AB23

SDI_ DQ0

R F _S M ( 1) R F _S M ( 2) R F _S M ( 3)

B6 A6

SDI_ DQ1

V12

AF 25 AD26 AB26

USBDP

V13

AE 26

U SBDM

SDI_ BA2

V14

AC27

F7

SDI_ BA0 SDI_ BA1

V15

AC26

L D(0 ) L D(1 ) L D(2 ) L D(3 ) L D(4 ) L D(5 ) L D(6 ) L D(7 )

C5

TXD 1

V16

AG 27

F6 A5

RXD 1

GNDC

M2 2

RFSM_OU T3

GNDC

C2 8

RFSM_OU T2

SDI_ A11

SDI_ A13

E N _R F P O N _P A BAND_ SE L R F _C L K R F _D A T A

A7

SDI_ A12

GNDC

L28 D2 7

E1

C6 B5

RFCL K

SDI_ A10

3G_RF _SP I_E N 3G_RF _SPI_D AT A 3G_RF _SP I_C LK

D1

RFSIG 7

RFSM_OU T1

GNDC

K2 8

E2 8

G1

RFDAT A

RFSM_OU T0

GNDC

T26

SDI_ A4 SDI_ A5 SDI_ A6

SDI_ A8 SDI_ A9

GNDC

L26

R2 6

K3

SDI_ A7

U12

D2 8

M2 8

M2 7

RFEN 0 RFSIG 6

3G_RE SET _N 3G_BY PA SS 3G_PA _EN (2) 3G_PA _EN (1)

J1 H1

H2

RF3GSPICL K

SDI_ A3

U16

B2 8 M2 6

A2

SDI_ A1 SDI_ A2

RST_C AM_CIF EN _CA M_ 1M3 EN _CA M_ CIF

F2 G2

RF 3GSPIDAT A SDI_ A0

C2 20

F1 N3

R F3G SPIEN 0

HFR2

U14

V2 6 W26

V1

RF3 GGPO 8

U13

V2 7

U1

G3

RF3 GGPO 6

U15

P2 7

T1

RF3 GGPO 7

GNDC

LC D_R S LD( 0:7)

T27 P2 6 U2 6

R1

RF3 GGPO 9

T17

TP_ HMP_S D_ CLK H M P _S D _C L K TP_ HMP_S D_ CLK_N H MP _SD _CLK_ N SD I_SD_C AS _N SD I_SD_R AS _N S D I _S D _W E _ N

N2 6

RF3 GGPO 5

HDPA19

U11

R 214

Y2 8

T3 R2

HFR1

GNDC

S DI_ SD_ LDQM S DI_S D_ UDQM SDI_ SD_LD QS S DI_ SD_ UD QS

T28 U2 8 V2 8 W28

HDPA17 HDPA18

HDPA20

GNDC

SDI_SD_ CS(0)_N VDD_ IO_L OW_1 V8

R2 8

RF3 GGPO 4

T16

SDI _SD _CK E(0)

P2 8 N2 8

RF3 GGPO 3

HDPA16

GNDC

SDI_ SD _DQ(0) SDI_ SD _DQ(1) SDI_ SD _DQ(2) SDI_ SD _DQ(3) SDI_ SD _DQ(4) SDI_ SD _DQ(5) SDI_ SD _DQ(6) SDI_ SD _DQ(7) SDI_ SD _DQ(8) SDI_ SD _DQ(9) SDI_ SD _DQ(10) SDI_ SD _DQ(11) SDI_ SD _DQ(12) SDI_ SD _DQ(13) SDI_ SD _DQ(14) SDI_ SD _DQ(15)

RF3 GGPO 2

HDPA15

GNDC

SDI_ SD_ DQ(0:1 5)

F28 K2 6

HDPA14

GNDC

SDI_S D_ BA(0) SDI_S D_ BA(1)

RF3 GGPO 1

GNDC

J2 6

HDPA13

GNDC

H2 6

K2 7

RF3 GGPO 0

RC V_ N

3G _RX_IN 3G _RX_IP 3G _R X _Q N 3G _R X _Q P 3G _TX _IN 3G _TX _IP 3G _TX _QN 3G _TX _QP

U2 R3

BBIVREF

HDPA12

GNDC

F27 B2 7

T2

HDPA11

T15

F26

BBI3 GTXQ P

HDPA10

T11

D2 6

Y2 W1

HDPA9

T13

B2 6 C2 6

E2 6 G26

BBI3 GTXQ N

HDPA8

T14

SDI_AD(10 ) SDI_AD(11 ) SDI_AD(12 )

H2 8

HDPA7

T12

SDI_AD(4) SDI_AD(5) SDI_AD(6) SDI_AD(7) SDI_AD(8) SDI_AD(9)

J2 8 H2 7 G28

BBI 3GTXIP

R17

SDI_AD(3)

BBI3GTX IN

GNDC

SDI_AD(0) SDI_AD(1) SDI_AD(2)

BBI3GRXQ P

R16

S DI_AD( 0:1 2)

BBI3 GRXIP BBI3G RXQ N

HDPA4

R15

AH10

SP K_ N

HDPA2

HDPA5 HDPA6

RCV _COM RX _TX _IN RX _TX _IP RX _TX _QN RX _TX _QP

Y1 AA1

BBI3GRX IN

HDPA1

HDPA3

C219

AH4

BBI2GQ P

GNDC

AH9

BB I2GQ N

GNDC

A1 7 G17

C221

BBI2G IP

GPO N1

RC V_ P 3G_RA MP

AH3

B BI2G IN GPO N0

A FC RAM P

U3 V3

HDPA0

GNDC

C1 6

SPK _ P

RCV 2

R13

A1 8

GPIOA30

R14

C1 7

VDDABBI3GADC

M6 B1 7

Y3

AA2

GPIOA31

GNDC

F17

RCV1

GNDC

C1 9

GPIOA29

GNDC

A1 9

AUXDAC 5

AB3

GPIOA28

GNDC

C1 8

GPIOA27

GNDC

F19 B1 9

B1 8

AUXDAC 4

GNDC

C2 1 B2 2 B2 0

GPIOA26

P14

C2 0 A2 1

A2 0

AUXDAC 3

P15

C1 5

B2 1 A2 2

AUXDAC 1 AUXDAC 2

F M _L F M _R

W3

A UXAD C

GPIOA23 GPIOA24 GPIOA25

EAR_S PK _L EAR_S PK _R

AC3

GPIOA21 GPIOA22

MIC_BIAS _2 V1

AH5 AH6

AC2

AN R

GPIOA20

MI C_N MI C_P AUX_MIC_ N AUX_MIC_ P

AE2 AD2

ANL

P16

G15

EAR 2

P17

RE F_ ON US B_S USPE ND

EAR 1

GPIOA17

R11

M1

AD1

AG1

GPIOA18

R12

N2

GPIOA16

GPIOA19

GNDC

M3

MIC2 P

H _S Y N C V _S Y N C

AC1

MIC1P

MIC BIAS1

P_CLK _IN M_CLK_O UT

C9

B12

MIC2 N

GPIOA13

GNDC

P1

B10

C12

GPIOA15

GNDC

D2 M2

A11

MIC1 N

GPIOA10 GPIOA11 GPIOA12

GPIOA14

GNDC

E2

CAMVS

GNDC

B8

GPIOA8

P13

B7

C10

GPIOA9

N17

A4

G6

C AMHS

N16

AH13

GPIOA7

N15

AF 13 AH14

CAMCLK O

N14

AG 13 AF 14

SD_ DA TA(2) SD_ DA TA(1) PWM _LC D_ BL 3G_RE F_ ON P D N _N RST _RF IC EN_C AM_ CIF _L DO

CAMCL KI

GPIOA5

N13

J2 L3 A3

CAMDATA 7

GPIOA4

GNDC

A1 6 B1 5

AG 14

CAMDATA 6

GPIOA2

A10

GPIOA3

GNDC

C1 4

GPIOA1

GNDC

H3 G13

B11

GPIOA6

GNDC

C7

CAMDATA 5

GNDC

H7 B4

F9 B9

CAMDATA 3 CAMDATA 4

GPIOA0

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

A9

CAMDATA 2

GNDC

B1 6

G11

C8

CAMDATA 0 CAMDATA 1

GPA DC4 GPA DC5

M16

F15

GPA DC2 GPA DC3

AGND

SD_ DA TA(3)

B1 3

GPA DC1

L15

E AR _SWIT CH

V2

L16

B B _R S T _B T DYN_V OLT _CTRL(1) DYN_V OLT _CTRL(2) RTS (2) T XD(2) JA CK _IN S LID E_O N

W2

AB1

M15

P M U _I N T _B B

AB2

AE3

RS T_CAM_1 M3 R XD(2) CTS(2) RST_L CD SIM_O FF_N

AA3

AB13

VF

AB14

MES_B AT T E M P _P R O D U C T

AB6

VDD_ A_L OW _1 V2

9-5

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

C222

Flow Chart of Troubleshooting

9-1-3. SIM Part

Phone can't access SIM Card

Yes

No SIM300 pin 1 = "H"?

Resolder or replace SIM300

Yes

After Power ON,

No

Check SIMCLK Signal on

Check the Clock

pin 3 of SIM300 in a few second

Yes

No

After SIM card insert,

Resolder or replace UCP200

SIM300 pin 2 = "H(SIMRST)"?

Yes

Check the SIM Card

Yes

END

9-6

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

VDD_SIM_3V0

SIM300 R 310 1 2 3

SIM_RST SIM_CLK

C 342

C336

C 337

6 6 5 5 4 4

1 2 3 7 7 8 8 9 9

12 12 11 11 10 10 G G G G 16 15 14 13

SIM_IO

C335

C341

SIM CON

9-7

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-1-4. Charging Part

Abnormal charging part Yes

No

Check the U300 pin A2,B2

Check the circuit related to

> 4.9V

VCHG_5V

Yes

U300 pin D7(AUX_ON)

No

= "L"?

Check the circuit related to AUX_ON signal

Yes

END

9-8

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

VBAT

VDD_A_3G_2V6

C300

C301

VDD_IO_HIGH_2V6 VDD_A_HIGH_2V6 VDD_RF2G_RF(1)_2V8 VDD_RF2G_RF(2)_2V8 VDD_SD_3V2

VDD_RF3G_RF(3)_2V8 VDD_BT_2V8

VBAT VDD_IO_LOW_1V8

VDD_USB_3V3

VDD_D_CAM_1V5

VBAT VDD_USB_CHG_5V0

VDD_MAIN_KEY_LED_3V3 VDD_CAM_1V8

4700nF

10000nF

4700NF

VDD_SIM_3V0

VDD_MOT_3V3 VDD_A_CAM_2V8

A5

C304

C310

C311

C309

C307

C308

C306

H10 VCC

VBUS

J7

C1

B1

VBAT1

VBAT2

VBAT_SENSE

E9

K5

A1

USIMVIN

D9

G9

USBVIN

RF4VDD

USBVDD

RF1RF2_VIN

RF3RF4_VIN

A8

E10

RF3VDD

C10

B10

D10

F10

HCVIN

IOVDD

RF2VDD

RF1VDD

MIC_BIAS_VDD

K8

C2

H1

K9

HCVDD

GPOVIN

DCD3VIN

F3

F9

H3

D8

H2

D7IOVIN

D5D6VIN

D1D2VIN

DCD2VIN

DCD1VIN

A9

G8

G10

A10

D4VIN

D5VDD

D7VDD

D6VDD

D4VDD

K6

H8

J10

D3VIN

PWR EN1

NC

PWR EN2

NC

PWR EN3

NC NC NC

VSS

USIM_PR ES

VSS

USIM_ACT

VSS

VDD_IO_LOW_1V8

B2

B6 B7

C3 2 1

R300

C7

C322

PMU_INT_BB

C5 D7

AUX_ON

C3

ON_KEY_N PMU_RST_BB

G3

C4 C9

R 301

B4 A6

C3 2 4

B3 F8

TP_SUSPEND

C6 B5

USB_SUSPEND SCL(1) SDA(1)

E2

VDD_IO_LOW_1V8 H9 J8 J9

B A T3 0 0

1 2

G5

G4

G7

G6

F7

F4

F6

F5

E8

E7

E3

E4

E5

E6

J1

A7

D4

C330 F1

C329

VPAD

VSS

B9

VSAVE

OSCO

A2

B8

VSS

J4

OSCI

VSS

SIM_OFF_N

K4

H4

C8

SCL S DA

VSS

REF_ON 3G_MODEM_ON_OFF 3G_REF_ON

R EFC SCU SB

D6

2

DCD3 L X

D5

OSC300

1

CCSET

DCD3 F B

CLK32K

VSS

A3

AT BO UT OTPVPP

VSS

A4

TP_REF_ON

RSTH C_N

VSS

K2

H5

C327

DCD2 L X

K1

C3 2 6

ONKEY_N

U300

DCD2 F B

D1

C3 2 5

DCD1 L X

VSS

L3 0 2 32KHZ_DIGIT

C323

EXTON_N

VSS

E1

K3

DCD1 F B

VSS

F2

L301

REC_N

VSS

G1

IN T_N

REFGND

L300

V I NT 2 GPO1 GPO2

VSS

G2

V I NT 1

GPIO6

GPIO12_GND

D2 D3

V CHG 2

GPIO5

VSS

J5

V CHG 1

VHIGH

GPIO4

VSS

DYN_VOLT_CTRL(1) DYN_VOLT_CTRL(2)

GPIO1 GPIO2 GPIO3

DCD1GND

H6

DCD3GND

H7

DCD2GND

J6

BT_REQ_CLK

D2VDD

K7

VDD_GSM_CORE_1V2

VDD_CORE_1V2

D3VDD

D1VDD

J2

VDD_IO_LOW_1V8

VDD_RF_DIG_1V8

K10

VDD_EXT_CHG_5V0

J3

VDD_RF3G_RF(4)_1V5

C303

4700NF C319

C317

C318

470nF

C316

C315

C314

C313

C312

470nF

C305

VDD_A_LOW_1V2

PM IC

9-9

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

C3 2 0

Flow Chart of Troubleshooting

9-1-5. Microphone Part

Microphone does not work

Yes No Check the connection

Reconnect MIC

from MIC

Yes

Check the circuit

No

Resolder the C411, C417, C421, R410, R413, C412, C416

from UCP200 to MIC

Yes

Check IFC400 PIN 9 = ' H' ?

No

Check the JACK_IN signal

Yes

Check the MIC

No

Replace the MIC

Yes END

9-10

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

MIC_BIAS_2V1

ZD402

C402

R400 C404

EAR_MIC_P

AUX_MIC_P

L402

C403

R401

C406

C405

EAR_MIC_N

AUX_MIC_N

L403 R404

ZD405

C408

MIC_BIAS_2V1

ZD403

C409

C410

MIC400

C411

R410 C412

L406

MIC_P C415

C417

L407

C416

ZD404

MIC_N C421

R413

C418

MIC PATH L400

VDD_EXT_CHG_5V0_IF

L401

C401

VDD_IO_HIGH_2V6

R418

VBAT

R 40 2

IFC400 1 2 3 4 5 6 7 8 9 10 11 12

R403

L405

R405

EAR_MIC_P EAR_MIC_N EAR_SPK_R RCV_COM EAR_SPK_L EAR_SWITCH

R415 R416 R417

JACK_IN TXD(1) R X D (1) AUX_ON

USB_DP USB_DM VDD_USB_CHG_5V0_IF

1

4

J_TXD(1) J _R X D (1 ) J _A U X_ O N 3

J_USB_DP J_USB_DM

5

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

L404

C4 0 0 C 413

ZD401

ZD400 2

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 NC NC NC NC NC NC NC

6

FM_ANT

IF CON 9-11

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-12

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-1-6. Speaker Part Speaker does not work

Yes

Is there any signal at pin AH9(SPK_P)&AH10(SPK_N) ?

No

Resolder or replace UCP200

Yes

No

Is there any signal at SPK_P, SPK_N?

Resolder R501, R503 or replace Speaker

Yes

No

Is Speaker working?

Change the Speaker

Yes

END

9-13

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

C513

SPK_P

SPK500

R501 C511

ZD502

C514

ZD501

SPK_N

R503

SPK

9-14

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-1-7. Receiver Part

Receiver does not work Yes No Is there any signal at CN101 pin 3(HFR1) & 5(HFR2) ?

Resolder UCP200 or change PBA

Yes No Replace the Receiver

Is Receiver working?

Yes END

9-15

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

VDD_IO_HIGH_2V6

VBAT

VDD_IO_LOW_1V8

VDD_CAM_1V8

HDC501

ON_KEY_N

VDD_A_CAM_2V8

C501

LCD_RS_SUB LCD_WR_SUB LD(1)_SUB LD(3)_SUB LD(5)_SUB LD(7)_SUB RST_LCD Y(7) Y(5) Y(3) Y(1) P_CLK_IN_CIF LCD_CS_SUB V_SYNC M_SDA RST_CAM_CIF

1 3 5 7 9

11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53

11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53

2 2 4 4 6 6 8 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54

10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54

55 56 57 58

C500

1 3 5 7 9

55 56 57 58

RCV_P RCV_N

C 508

MAIN PBA CON

9-16

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

KEY_ROW(2) KEY_ROW(3) KEY_ROW(4) KEY_COL(2) KEY_COL(3) KEY_COL(4) LCD_RD_SUB FLM LD(0)_SUB LD(2)_SUB LD(4)_SUB LD(6)_SUB PWM_LCD_BL Y(6) Y(4) Y(2) Y(0) M_CLK_OUT_CIF H_SYNC EN_CAM_CIF_LDO M_SCL EN_CAM_CIF

Flow Chart of Troubleshooting

9-1-8. Headset Part

Earphone does not work

Yes

No

Is there any signal at pin AH5(EAR_SPK_L)& AH6(EAR_SPK_R) ?

Resolder or replace UCP200

Yes

No IFC400 pin 5,7 short?

Resolder R403, R405 or replace IFC400

Yes

No Is Earphone working?

Replace the earphone

Yes

END

9-17

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

L400

VDD_EXT_CHG_5V0_IF

L 401

C401

VDD_IO_HIGH_2V6

R418

V BA T

R 402

IF C 4 0 0 1 2 3 4 5 6 7 8 9 10 11 12

R403

L405

R405

E A R _ M I C _P E A R _ M I C _N EAR_SPK_R R C V _C O M EAR_SPK_L EAR_SWITCH

R415 R416 R417

J A C K _ IN TXD(1) R X D ( 1) AUX_ON

USB_DP USB_DM VDD_USB_CHG_5V0_IF

4

1

J _T X D ( 1 ) J_RXD(1) J_AUX_ON 3

J_USB_DP J_USB_DM

C 400 C 413

Z D 40 1

ZD400 2

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

L404

6

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 NC NC NC NC NC NC NC

5

FM_ANT

IF CON

MIC1N MIC1P MIC2N MIC2P MICBIAS1

EAR1 EAR2

ANL ANR

AUXADC AUXDAC1 AUXDAC2 AUXDAC3 AUXDAC4 AUXDAC5

AD1 AC1 AE2 AD2 AG1

AH5 AH6

AC2 AC3

MIC_N MIC_P AUX_MIC_N AUX_MIC_P MIC_BIAS_2V1 EAR_SPK_L EAR_SPK_R FM_L FM_R

W3 Y3 AB3 AA2 U3 V3

AFC RAMP 3G_RAMP

9-18

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-19

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-1-9. Camera Part (Mega and VGA)

Camera function does not work

Check camera FPCB and connector

NO

Re-connect the camera FPCB

YES

(VDD_CAM_1V8)

NO

Check the U300

NO

Check HDC500 and Resolder

= 1.8V? YES

C503(VDD_CAM_1V8)

C503

= 1.8V?

YES

NO Is Camera working? Replace the Camera

YES

END

9-20

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

VDD_A_CAM_2V8

VDD_CAM_1V8

VDD_D_CAM_1V5

HDC500 (0.9t) 1 3 5 7 9 11 13 15 17 19 21

C515

M_CLK_OUT EN_CAM_1M3 M_SDA

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 NC NC 22 23

C502

2 4 6 8 10 12 14 16 18 20

H_SYNC P_CLK_IN Y(1)_CAM Y(3)_CAM Y(5)_CAM Y(7)_CAM RST_CAM_1M3

C516

M_SCL

C503

C504

F502

Y(5)

7 8

IN1

OUT1 OUT2

IN2

OUT3

IN3

OUT4

IN4

9

1

Y(6)_CAM

2 3 4

Y(1)

Y(4)_CAM

Y(3)

Y(7)_CAM

Y(2)

Y(5)_CAM

Y(0)

5 6 7 8

OUT1

IN1

OUT2

IN2

OUT3

IN3

OUT4

IN4

10

GND

Y(7)

6

GND

Y(4)

5

GND

Y(6)

F503

9

M_CLK_OUT

GND

V_SYNC Y(0)_CAM Y(2)_CAM Y(4)_CAM Y(6)_CAM

10

M_CLK_OUT_CIF

P_CLK_IN

P_CLK_IN_CIF

1.3M CAM CON

9-21

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

1 2 3 4

Y(1)_CAM Y(3)_CAM Y(2)_CAM Y(0)_CAM

Flow Chart of Troubleshooting

9-1. WCDMA TX TX ON Target PWR=23dBm

FEM100 PIN2

YES

≥ 20dBm

Re-solder RFS100, R100, C106, L100

Switch Control

NO FEM100 PIN22

Check Antenna

YES

Check FEM100 PIN4=H

≥ 23dBm

PIN5=H

NO

YES

Re-solder or Change FEM100

F100 PIN6

Re-solder

YES

C127,L110,L111

≥ 24dBm NO

PAM101 PIN9 ≥24dBm

YES Re-solder C146 C147,C148

NO YES

C151 ≥ 1Bm

Re-solder PAM101

NO

Check U100

END

9-22

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

4 3 2 1

G G A C

RFS100

L100

ANT101

ANT100

R100

VDD_RF2G_RF(2)_2V8

C104 C105

C106

L102

R101

C110

C109

9

DPCS_TX

R104

VDD

7

4 V C1 5 V C2 6 V C3

R103

GSM850RX GSM850RX GSM900RX GSM900RX GSM1800RX GSM1800RX GSM1900RX GSM1900RX

L104

12 13 14 15 16 17 18 19

GSM_RXM_850

C111 L105

GSM_RXP_850

L1 0 6

20 UMTS1 22 UMTS2

G G G G G

RF_SM(3)

R102

GSM1800|1900TX

1 8 10 23 24

RF_SM(1) RF_SM(2)

GSM850|900TX

GSM_RXM_900

C165

3 NC 21 NC

GSM_TX

ANT

2

FEM100

11

L1 0 7

GSM_RXP_900

C113

DCS_RXM

L108 C114

FEM

DCS_RXP

C115

PCS_RXM L117

C116

PCS_RXP

B(8)_TRX

B(1)_TRX

VBAT VBAT

BAND(8)

BAND(1)

PAM102

PAM101

4

3G_RAMP

5

RF O UT

V BP

ISO

VMO DE

G ND

V EN

C PL

1

10 9

B(1)_PA_OUT

2

B(8)_PA_IN

8

3

3G_BYPASS

7

4

3G_RAMP

6

5

3G_PA_EN(2)

11

3G_PA_EN(1)

VC C 2

R FI N

C119

C120

VC C 1

VC C 2

R FI N

R FO U T

VB P

I SO

VMO DE

G ND

VEN

CP L

GND

3

3G_BYPASS

V CC1

10 9

B(8)_PA_OUT

8 7 6 C126

11

2

GND

1

B(1)_PA_IN

R105

C124

R106

C125

PAM (3G)

9-23

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

R107

R108

Flow Chart of Troubleshooting

C1 2 7

VBAT

B(1)_TRX

L111

L110

near to transceiver

VDD_RF3G_RF(3)_2V8

6

C128

L118 L112

ANT 1

RX

TX

3

B(1)_PA_OUT

G G G G G G

VDD_RF_DIG_1V8

9 8 7 5 4 2

VDD_RF2G_RF(2)_2V8

C131

C130 VDD_RF3G_RF(4)_1V5

C139

3_ D C D C S E N S E

3 _L D O I N P A

3_ RX IN B A N D1 3_ RX IN B A N D2 3_ RX IN B A N D5

3 _ R X I+ 3 _ R XI 3 _ R XQ + 3 _R X Q -

U100

3 _ T X I+ 3 _T X I 3 _ TX Q + 3_ T X Q -

3_ T X O U T B A N D 1 + 3 _ T X OU T B A ND 1 3_ T X O U T B A N D 2 + 3 _ T X OU T B A ND 2 3_ T X O U T B A N D 5 + 3 _ T X OU T B A ND 5 -

3 _S P IC L K 3 _S P ID A T A 3_ S P I E N

3 _S Y S C L K E N 3_ S Y S C L K O U T

3 _T C X O I N

3_ R E S E T N 3 _ B G M O N I TO R

3 _ TE S T P I N 1

GND

GND

M6 M8

C144

H3

L113

C143

M7 G3

near to transceiver

G1 3

6 A NT

E 13

A1

TP_RX_IP

B1 D1

TP_RX_QP

C1

N7

TP_TX_IP

N6 N4

L114

C145

F13

T P_ T X_ Q P

N5

3G_RX_IP 3G_RX_IN 3G_RX_QP 3G_RX_QN

1 RX

TX

9 8 7 5

C149

4 2

F101

3G_TX_IP 3G_TX_IN 3G_TX_QP 3G_TX_QN C151

N 13 N 12

B(1)_PA_IN

L13 M 13 J1 3

C155

K 13

D 10 E 10 F10

TP_RF_SPI_CLK TP_RF_SPI_DATA TP_RF_SPI_EN

3G_RF_SPI_CLK 3G_RF_SPI_DATA 3G_RF_SPI_EN

B(8)_PA_IN

L116

B 10 A 11

F1

3G_REF_CLK

TP_3G_RESET 3G_RESET_N

C161

C162

G1 0 H 10

B3 F2

GND

GND

L10

GND

GND

GND

B(8)_TRX

M1

L11

L9

L6

L7

L8

GND

GND

GND

L3

L4

L5

K11

GND

K9

GND

GND

GND

GND

K5

K8

K7

K6

GND

GND

GND

GND

K3

K4

J11

GND

GND

J9

J3

GND

J2

H12

GND

GND

H9

H11

GND

GND

H2

G12

GND

GND

GND

G11

GND

3 _ TE S T P I N 2

F9

C169

3

C146

B(8 )_ P A_ O U T

G G G G G G

VDD_BALUN

3 _D C D C T E S T

3 _ L DO IN S Y N

G9

C141

C142

3_ D C D C O U T

3 _L D O I N M A I N

F11

C140

B13

E1

G2

3_VDDDIGCORE

3_VLOOPF

H1

A12 3_VDDDIGIO

3_VDD3_TXSYN

3_VDD3_RXSYN

B2

A2

N8

N3

3_VDD3

3_VDD1V_3

N2

D13

3_VDD1V_1

3_VDD1V_2

G1

3_DCDCVBATT

2_VDD_BB

2_VDD_SYHF

H13

C138

C132

F100

9-24

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

C147

C148

Flow Chart of Troubleshooting

9-25

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-2. WCDMA RX RX ON CELL POWER = -60dBm

YES

FEM100 PIN2

Re-solder RFS101, R100, C106, L100

≥ -66dBm

Check Antenna Switch Control

NO YES

FEM100 PIN22

Check FEM100 PIN4=H

≥ -70dBm

PIN5=H

YES

NO YES

F100 PIN6

Re-solder or Change FEM100

Re-solder F100, C127,L110,L111

≥ -73dBm NO YES

F100 PIN1 ≥ -76dBm

CHECK AND RE-SOLDER C128,C130,L112,L118

NO CHECK U100

END

9-26

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

4 3 2 1

G G A C

RFS100

L100

ANT100

ANT101

R100

VDD_RF2G_RF(2)_2V8

C104 C105

C106

L102

R101

C110

C109

9

RF_SM(3)

R102 R103 R104

VDD

7

4 V C1 5 V C2 6 V C3

GSM850RX GSM850RX GSM900RX GSM900RX GSM1800RX GSM1800RX GSM1900RX GSM1900RX

L104

12 13 14 15 16 17 18 19

20 UMTS1 22 UMTS2

G G G G G

RF_SM(1) RF_SM(2)

GSM1800|1900TX

1 8 10 23 24

DPCS_TX

GSM850|900TX

3 NC 21 NC

GSM_TX

ANT

2

FEM100

11

GSM_RXM_850

C111 L105

GSM_RXP_850

L1 0 6

GSM_RXM_900

C165

L1 0 7

GSM_RXP_900

C113

DCS_RXM

L108 C114

FEM

DCS_RXP

C115

PCS_RXM L117

C116

PCS_RXP

B(8)_TRX

B(1)_TRX

9-27

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

C1 2 7

VBAT

B(1)_TRX

L111

L110

near to transceiver

VDD_RF3G_RF(3)_2V8

6

C128

L118 L112

ANT 1

RX

TX

3

B(1)_PA_OUT

G G G G G G

VDD_RF_DIG_1V8

9 8 7 5 4 2

VDD_RF2G_RF(2)_2V8

C131

C130 VDD_RF3G_RF(4)_1V5

C139

3_ D C D C S E N S E

3 _L D O I N P A

3_ RX IN B A N D1 3_ RX IN B A N D2 3_ RX IN B A N D5

3 _ R X I+ 3 _ R XI 3 _ R XQ + 3 _R X Q -

U100

3 _ T X I+ 3 _T X I 3 _ TX Q + 3_ T X Q -

3_ T X O U T B A N D 1 + 3 _ T X OU T B A ND 1 3_ T X O U T B A N D 2 + 3 _ T X OU T B A ND 2 3_ T X O U T B A N D 5 + 3 _ T X OU T B A ND 5 -

3 _S P IC L K 3 _S P ID A T A 3_ S P I E N

3 _S Y S C L K E N 3_ S Y S C L K O U T

3 _T C X O I N

3_ R E S E T N 3 _ B G M O N I TO R

3 _ TE S T P I N 1

GND

GND

M6 M8

C144

H3

L113

C143

M7 G3

near to transceiver

G1 3

6 A NT

E 13

A1

TP_RX_IP

B1 D1

TP_RX_QP

C1

N7

TP_TX_IP

N6 N4

L114

C145

F13

T P_ T X_ Q P

N5

3G_RX_IP 3G_RX_IN 3G_RX_QP 3G_RX_QN

1 RX

TX

9 8 7 5

C149

4 2

F101

3G_TX_IP 3G_TX_IN 3G_TX_QP 3G_TX_QN C151

N 13 N 12

B(1)_PA_IN

L13 M 13 J1 3

C155

K 13

D 10 E 10 F10

TP_RF_SPI_CLK TP_RF_SPI_DATA TP_RF_SPI_EN

3G_RF_SPI_CLK 3G_RF_SPI_DATA 3G_RF_SPI_EN

B(8)_PA_IN

L116

B 10 A 11

F1

3G_REF_CLK

TP_3G_RESET 3G_RESET_N

C161

C162

G1 0 H 10

B3 F2

GND

GND

L10

GND

GND

GND

B(8)_TRX

M1

L11

L9

L6

L7

L8

GND

GND

GND

L3

L4

L5

K11

GND

K9

GND

GND

GND

GND

K5

K8

K7

K6

GND

GND

GND

GND

K3

K4

J11

GND

GND

J9

J3

GND

J2

H12

GND

GND

H9

H11

GND

GND

H2

G12

GND

GND

GND

G11

GND

3 _ TE S T P I N 2

F9

C169

3

C146

B(8 )_ P A_ O U T

G G G G G G

VDD_BALUN

3 _D C D C T E S T

3 _ L DO IN S Y N

G9

C141

C142

3_ D C D C O U T

3 _L D O I N M A I N

F11

C140

B13

E1

G2

3_VDDDIGCORE

3_VLOOPF

H1

A12 3_VDDDIGIO

3_VDD3_TXSYN

3_VDD3_RXSYN

B2

A2

N8

N3

3_VDD3

3_VDD1V_3

N2

D13

3_VDD1V_1

3_VDD1V_2

G1

3_DCDCVBATT

2_VDD_BB

2_VDD_SYHF

H13

C138

C132

F100

9-28

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

C147

C148

Flow Chart of Troubleshooting

9-29

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

4 3 2 1

G G A C

RFS100

L100

ANT100

ANT101

R100

VDD_RF2G_RF(2)_2V8

C104 C105

C106

L102

R101

C110

C109

GSM850|900TX

9

DPCS_TX

R102

GSM1800|1900TX

4 VC1 5 VC2 6 VC3

R103

GSM_RXM_850

C111 L105

GSM_RXP_850

L106

20 UMTS1 22 UMTS2 1 8 10 23 24

G G G G G

R104

RF_SM(3)

L104

12 13 14 15 16 17 18 19

GSM850RX GSM850RX GSM900RX GSM900RX GSM1800RX GSM1800RX GSM1900RX GSM1900RX

GSM_RXM_900

C165

3 NC 21 NC

RF_SM(1) RF_SM(2)

ANT

11

GSM_TX

VDD

2

7

FEM100

L107

GSM_RXP_900

C113

DCS_RXM

L108 C114

FEM

DCS_RXP

C115

PCS_RXM L117

C116

PCS_RXP

B(8)_TRX

B(1)_TRX

C127

VBAT

B(1)_TRX

L111

L110

near to transceiver

VDD_R F3G_RF(3)_2V8

6

C128

L118 L112

ANT 1

RX

TX

3

B( 1)_PA_OUT

G G G G G G

VD D_RF_DIG_1V8

VDD_R F2G_RF(2)_2V8

9 8 7 5 4 2

VD D_RF2G_RF(2)_2V8

C 131

C130

VDD_RF2G_R F(1)_2V8 VDD_RF3G_RF(4)_1V5

C1 3 3

M3

A4

GSM_RXP_850 GSM_RXM_850 DCS_RXP DCS_RXM GSM_RXP_900 GSM_RXM_900 PCS_RXP PCS_RXM

A3 A8 A7 A6 A5 A 10 A9

V CTCXO100

A1 3 C1 3

K1 J1

C153 F3 N 10 E3

C156

N9 D3 M9

REF_ON

N1 L2 C3 L1 C1 0 M 11

B13

E1

G2

VDD_BALUN

3_VLOOPF

H1

A12 3_VDDDIGIO

3_VDD3_TXSYN

3_VDD3_RXSYN

3_VDDDIGCORE

N3

A2

3_VDD3

N8

N2

D13

B2 3_VDD1V_3

3_VDD1V_1

3_VDD1V_2

2_VDD_SYHF

3_DCDCVBATT

1

2

G1

H13

2_VDD_BB

M12

NC

NC

3_PAGND

E2

L12

J12

B11

K12

3_R X Q -

2 _R F IP P

U100

2 _R F IP N

3 _T X I+ 3 _ T X I-

2 _R F OH

3 _T XQ +

2 _R F OL

3_T X Q -

3_ TX O U TB A N D 1+

2 _ X TA L 1

3 _ TX O U TB A N D 1 -

2 _ X TA L 2

3_ TX O U TB A N D 2+ 2 _A F C

3 _ TX O U TB A N D 2 -

2 _ V IO

3_ TX O U TB A N D 5+

2 _X DI V

3 _ TX O U TB A N D 5 -

2 _X O U T 2 _X MO DE

3 _ S P IC LK 3 _ S P ID A TA

2 _X E N

3_ S PI EN 2 _R A M PIN 2 _R A M PO U T

3 _S Y SC L K EN 3_ S YS C LK O U T

2 _S CL K 3 _T CX O IN

2 _S DI O 2 _D IA G AD 2 _S E N B

3_R E S ETN

2 _P DN B

3_ B GM ON I TO R

2 _R ES E TB 3 _ TE ST P IN 1

M6 M8

C144

H3

L113

G3

near to transceiver

L9

L7

L8

6 ANT

E 13

C145

F1 3

A1

TP_RX _IP

B1 D1

TP_RX_QP

C1

N7

TP_TX _IP

N6 N4

TP_TX_QP

N5

L114

3G_RX_IP 3G_RX_IN 3G_RX_QP 3G_RX_QN

1 RX

F101

3G_TX_IP 3G_TX_IN 3G_TX_QP 3G_TX_QN C151

N 13 N 12

B (1)_PA_IN

L1 3 M1 3 J1 3

C155

K 13

D 10 E 10 F1 0

TP_RF_SP I_CLK TP_RF_SPI_ DATA TP_RF_SPI _EN

3G_R F_SPI_C LK 3G_R F_SPI_DA TA 3G_R F_SPI_EN

L11 6

B 10 A 11

F1

3G_R EF_CLK

TP_3G_RE SET 3G_R ESET_N

TX

9 8 7 5

C149

C161

C162

G 10 H 10

B3 F2

L11

L10

L3

L4

L5

L6

K9

K11

K8

K5

K4

K3

K6

K7

J11

J3

J9

J2

H2

H9

H12

H11

G11

G12

G9

F11

F9

E9

D9

D2

E11

D11

C8

C9

C11

C6

C4

C2

C7

C5

C143

M7

G 13

C164 B12

B(8)_TRX

M1

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

3 _ TE ST P IN 2

GND

EN_RF PDN_N RST_RFIC

J10

TP_RF_CLK TP _RF_DATA TP _EN_RF TP_PDN_N TP_RST_RFIC

3 _ RX I3_ R XQ +

2 _R F IE N

GND

RAMP V_RAMP R F_C LK RF_DATA

3_ R X I+

2 _R F IE P

GND

C160

2 _R F ID P 2 _R F ID N

GND

C157

K1 0

3_R X IN B A ND 5

2 _R F IA N

B4

C 159

R112

2 _R F IA P

GND

L1 15

D_REF_CLK

3 _L DO IN S YN

3_R X IN B A ND 1 3_R X IN B A ND 2

B5

3G_REF_CLK

3 _L D OI N PA

2 _ B IP

2 _B Q P

B6

3

C150

4

VCC OUT

AFC

2 1 VCON GND

DCS_PA GSM_PA

3 _L D OI N MA IN 2 _ B IN

2 _B Q N

B7

VDD _RF_DIG_1V8

F100

C169

C142

3_ DC D C O U T 3 _D C D C TE S T 3_D C D C SE N S E

2 _A U XC L KE N

B8

VDD_RF2G_RF(1)_2V8

C 141

3

C146

B(8)_PA_OUT

G G G G G G

M5 M2

2 _A U XC L K

3_PAGND

K2 M4

RX_TX_IN R X_TX_IP RX_TX_QN RX_TX_QP

3_DCDCGND

N1 1 M 10

B9

TRANCEIVER

R114 R115

BT_C LK BT_REQ_CLK

C140

C1 39

C138

3_PAGND

C137

3_PAGND

C 136

3_GNDDIGIO

C135

3_GNDDIGCORE

C 134

C132

9-30

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

B (8)_PA_IN

4 2

C147

C 148

Flow Chart of Troubleshooting

9-31

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-3. EGSM TX

TX ON(5 level)

FEM100 PIN2

YES

≥ -5dBm

Re-solder RFS100, R100, L100, C106

Switch Control

NO FEM100 PIN9≥

YES

Check FEM100 PIN4=H, PIN5=H

-15dBm

PIN6=H

Re-solder or Change

NO PAM PIN16 ≥ -18dBm

Check Antenna

YES YES

Re-solder L101, C102,C103

NO Re-solder C168

CHECK U100

END

9-32

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

F100

Flow Chart of Troubleshooting

1 C

4 G 3 G 2 A

RFS100

L100

ANT100

ANT101

R100

VDD_RF2G_RF(2)_2V8

C104 C105

C106

L102

R101

C110

C109

7

4 VC1 5 VC2 6 VC3

GSM_RXM_850

C111 L105

GSM_RXP_850

L106

GSM_RXM_900

C165

NC

R104

L104

12 13 14 15 16 17 18 19

20 UMTS1 22 UMTS2 NC

R103

3

RF_SM(3)

R102

GSM1800|1900TX

1 G 8 G 10 G 23 G 24 G

RF_SM(1) RF_SM(2)

GSM850RX GSM850RX GSM900RX GSM900RX GSM1800RX GSM1800RX GSM1900RX GSM1900RX

L107

GSM_RXP_900

21

9

DPCS_TX

GSM850|900TX

ANT

11

GSM_TX

VDD

2

FEM100

C113

DCS_RXM

L108 C114

FEM

DCS_RXP

C115

PCS_RXM L117

C116

PCS_RXP

B(8)_TRX

B(1)_TRX

VBAT

C100

C112

DPCS_TX L103

C107

PAM100

19 16

GSM_TX C103

GSM_OUT

DCS|PCS_IN GSM_IN

38 G 37 G 36 G 35 G

4

C167

6

C168

23 TX_EN 22 BS 24 VRAMP 25 VLOGIC

DCS_PA GSM_PA PON_PA BAND_SEL V_RAMP

G G G G G G G G G G G G G G G G G G G G G G G G G

L101

DCS|PCS_OUT

34 33 32 31 30 29 28 27 21 20 18 17 15 14 13 12 11 10 9 8 7 5 3 2 1

C102

VBATT

26

C108

PAM (2.5G)

9-33

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

VBAT

VDD_RF2G_RF(2)_2V8 VDD_RF2G_RF(1)_2V8

C133

BT_REQ_CLK

M4

RX_TX_IN RX_TX_IP RX_TX_QN RX_TX_QP

M5 M2 M3

A4

GSM_RXP_850 GSM_RXM_850 DCS_RXP DCS_RXM GSM_RXP_900 GSM_RXM_900 PCS_RXP PCS_RXM

VDD_RF2G_RF(1)_2V8

VDD_RF_DIG_1V8

A3 A8 A7 A6 A5 A 10 A9

V CTCXO100

A1 3 C1 3

OUT 3

C150

K1 J1

3G_REF_CLK

C 153

L115

F3 N 10 E3

C156

D_REF_CLK

N9 D3 M9

REF_ON RAMP V_RAMP RF_CLK RF_DATA EN_RF PDN_N RST_RFIC

J 10

TP_RF_C LK TP _R F_DATA

N1 L2 C3

TP _EN_RF TP_PDN_N TP_R ST_RFIC

L1 C1 0 M 11

VDD_BALUN

2 _B QN 2 _B QP

3_ R X INB A N D1 3_ R X INB A N D2

2 _R FIA P

3_ R X INB A N D5

2 _R FIA N 2 _R FID P

3 _ RX I+

2 _R FID N

3 _ R XI -

2 _R FIE P

3 _ RXQ +

2 _R FIE N

3 _R X Q -

2 _R FIP P

U 100

2 _R FIP N

3 _ TX I+ 3 _T XI -

2 _R FOH

3 _ TXQ +

2 _R FOL

3_ T X Q -

3_T X O U T B A N D 1 +

2 _X TA L 1

3 _ TX O U TB A N D 1 -

2 _X TA L 2

3_T X O U T B A N D 2 + 2 _A FC

3 _ TX O U TB A N D 2 -

2 _V I O

3_T X O U T B A N D 5 +

2 _X DI V

3 _ TX O U TB A N D 5 -

2 _X O UT 2 _X M O D E

3 _S P ICLK 3 _S P ID ATA

2 _X E N

3_ S PI EN 2 _R AM PI N 2 _R AM PO UT

3 _S Y SC L K EN 3_ S YS CL K OUT

2 _S CL K 3 _T CXO IN

2 _S DI O

M1 M6 M8

H3 M7 G3

G1 3 E 13 F1 3

A1

T

B1 D1

T

C1

N7

T

N6 N4 N5

N1 3 N1 2 L1 3 M13 J13 K1 3

D1 0 E 10 F1 0

TP_R T P _R TP_

B1 0 A1 1

F1

TP_3G_RE

2 _D IAG A D 2 _S E NB

3_ R E S E T N

2 _P DN B

3 _ B G M ON I T OR

2 _R ES E T B 3 _ TE ST PI N 1

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

3 _ TE ST PI N 2 GND

C 14 0

B13

E1

G2

3_VDDDIGCORE

3_VLOOPF

H1

A2

A12 3_VDDDIGIO

3_VDD3_TXSYN

3_VDD3_RXSYN

B2

N8

N3

3_VDD3

3_VDD1V_3

3_VDD1V_2

N2

D13

3_VDD1V_1

G1

2_VDD_BB

2_VDD_SYHF

2

1

L12

H13

NC

NC

K12

E2

M12 3_PAGND

3_PAGND

3_PAGND

3_PAGND

3 _LD OIN PA 3 _ L DO IN S YN

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

L11

L10

L9

L8

L7

L6

L4

L3

L5

K11

K9

K8

K7

K6

K5

K4

K3

J9

9-34

J11

J3

J2

H12

H9

H11

H2

G9

G11

G12

F11

F9

E9

E11

D11

C9

D9

D2

C11

C7

C6

C5

C8

C4

C2

B9

B12

B8

C164 B7

C160

3 _L D OI NM AIN 2 _B IN

B5

C157

K1 0

3_ D C D C O U T 3 _DC DCT E ST 3_ D CD CSE NS E

2 _A UXC L KEN

B4

C159

R112

C139

2 _B IP

B6

VCC 4

AFC

2 1 VCON GND

DCS_PA GSM_PA

2 _A UXC L K

3_DCDCVBATT

N1 1 M 10

3_DCDCGND

K2

TRANCEIVER

R 1 14 R 1 15

BT_CLK

J12

C 138

B11

C137

3_GNDDIGIO

C136

3_GNDDIGCORE

C135

C 1 34

G1 0 H1 0

B3 F2

Flow Chart of Troubleshooting

9-35

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-4. DCS/PCS TX

TX ON(0 level)

FEM PIN2

YES

≥ 0dBm

Re-solder RFS100, R100, L100, C106

Switch Control

NO FEM PIN9

YES

Check FEM PIN15=H, PIN14=L

≥ -15dBm

PIN13=L

Re-solder or Change

NO PAM PIN19 ≥ -18dBm

Check Antenna

YES YES

Re-solder or Change C108, L103, C107

NO

Re-solder C167

CHECK U100

END

9-36

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

FEM

Flow Chart of Troubleshooting

4 3 2 1

G G A C

RFS100

L100

ANT100

ANT101

R100

VDD_RF2G_RF(2)_2V8

C104 C105

C106

L102

R101

C110

C109

9

DPCS_TX

R104

VDD

7

4 V C1 5 V C2 6 V C3

R103

GSM850RX GSM850RX GSM900RX GSM900RX GSM1800RX GSM1800RX GSM1900RX GSM1900RX

L104

12 13 14 15 16 17 18 19

GSM_RXM_850

C111 L105

GSM_RXP_850

L1 0 6

20 UMTS1 22 UMTS2 G G G G G

RF_SM(3)

R102

GSM1800|1900TX

1 8 10 23 24

RF_SM(1) RF_SM(2)

GSM850|900TX

GSM_RXM_900

C165

3 NC 21 NC

GSM_TX

ANT

2

FEM100

11

L1 0 7

GSM_RXP_900

C113

DCS_RXM

L108 C114

FEM

DCS_RXP

C115

PCS_RXM L117

C116

PCS_RXP

B(8)_TRX

B(1)_TRX

VBAT

C100

C112

DPCS_TX L103

C107

PAM100

19 16

GSM_TX C103

DCS|PCS_IN GSM_IN

4

C167

6

C168

23 TX_EN 22 BS 24 VRAMP 25 VLOGIC

38 G 37 G 36 G 35 G

DCS_PA GSM_PA PON_PA BAND_SEL V_RAMP

G G G G G G G G G G G G G G G G G G G G G G G G G

L101

GSM_OUT

34 33 32 31 30 29 28 27 21 20 18 17 15 14 13 12 11 10 9 8 7 5 3 2 1

C102

DCS|PCS_OUT

VBATT

26

C108

PAM (2.5G)

9-37

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

VBAT

VDD_RF2G_RF(2)_2V8 VDD_RF2G_RF(1)_2V8

C133

BT_REQ_CLK

M4

RX_TX_IN RX_TX_IP RX_TX_QN RX_TX_QP

M5 M2 M3

A4

GSM_RXP_850 GSM_RXM_850 DCS_RXP DCS_RXM GSM_RXP_900 GSM_RXM_900 PCS_RXP PCS_RXM

VDD_RF2G_RF(1)_2V8

VDD_RF_DIG_1V8

A3 A8 A7 A6 A5 A 10 A9

VCTCXO100

A13 C13

3

C150

K1 J1

3G_REF_CLK

C153

L115

F3 N 10 E3

C156

D_REF_ CLK

N9 D3 M9

REF_ON RAMP V_RAMP RF_CLK RF_DATA EN_RF PDN_N RST_RFIC

J 10

TP_RF_CLK TP_RF_DATA

N1 L2 C3

TP_EN_RF TP_PDN_N TP_RST_RFIC

L1 C10 M1 1

VDD_BALUN

2_B QN 3 _ R X IN B A N D 1

2_B QP

3 _ R X IN B A N D 2 3 _ R X IN B A N D 5

2_R FIA P 2_R FIA N

3 _ RX I+

2_R FID P 2_R FID N

3 _ R XI -

2_R FIE P

3 _ R XQ +

2_R FIE N

3_R X Q -

2_R FIP P

U100

2_R FIP N

3 _TX I+ 3 _ T XI -

2_R F OH

3 _ T XQ +

2_R F OL

3_ TX Q -

2_X T A L 1

3_ TX O UTB AN D 1+

2_X T A L 2

3 _ T X O U T B A N D1 3_ TX O UTB AN D 2+

2_A F C

3 _ T X O U T B A N D2 -

2_V I O

3_ TX O UTB AN D 5+

2_X D I V

3 _ T X O U T B A N D5 -

2_X O U T 3 _S P ICLK

2 _ X M O DE 2_X E N

3 _ S P ID A T A 3_ S PI EN

2 _ R A M PI N 3 _ S Y SC L K EN

2 _ R A M PO U T

3_ S YS C LK OU T 2_S C L K 2_S D I O

3 _T CX O IN

M1 M6 M8

H3 M7 G3

G13 E 13 F1 3

A1

T

B1 D1 C1

N7 N6 N4 N5

N1 3 N1 2 L1 3 M13 J13 K1 3

D1 0 E 10 F1 0

TP_ TP_R TP _

B1 0 A1 1

F1

TP_3G_R

2_D IA G A D 2 _ S E NB

3_ R E S ETN

2_P D N B

3_ B GM ON I TOR

2 _ R ES E T B 3 _ T E ST PI N 1

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

3 _ T E ST PI N 2

GND

C140

B13

E1

G2

3_VDDDIGCORE

3_VLOOPF

H1

A12 3_VDDDIGIO

3_VDD3_TXSYN

3_VDD3_RXSYN

B2

N3

N8

A2

3_VDD3

3_VDD1V_3

N2

D13

3_VDD1V_1

3_VDD1V_2

G1

H13

2_VDD_BB

2_VDD_SYHF

1

2 NC

L12

M12

NC

3_PAGND

3_PAGND

E2

K12

3_PAGND

J12

3 _ L D O I N PA 3 _ L D O I N S YN

9-38

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

L11

L10

L8

L7

L6

L9

L4

L5

L3

K11

K9

K8

K6

K7

K5

K4

K3

J11

J9

J3

J2

H11

H12

H9

H2

G9

F11

G12

G11

F9

E9

E11

D2

D9

D11

C11

C9

C8

C7

C4

C5

C6

C2

B12

B9

B8

C164 B7

C1 60

3 _L D OI N M A IN

2_B IP

B6

C157

K10

3_ DC D C OU T 3 _ D C D C T E ST 3 _ D C D C SE N S E

2_B IN

B4

C159

R112

C139

2 _ A U X C L K EN

B5

4

VCC OUT

AFC

1 2 VCON GND

DCS_PA GSM_PA

2 _ A UX C L K

3_DCDCVBATT

N11 M1 0

3_DCDCGND

K2

TRANCEIVER

R 1 14 R 1 15

BT_CLK

B11

C 13 8

3_PAGND

C137

3_GNDDIGIO

C136

3_GNDDIGCORE

C135

C 1 34

G10 H1 0

B3 F2

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

9-5. GSM 850 RX

RX ON AMP = -50dBm

FEM PIN2

YES

≥ -60dBm

Re-solder RFS100, R100, L100, C106

Switch Control

NO FEM PIN12, 13

YES

Check FEM PIN4=L, PIN5=H

≥ -70dBm

PIN6=H

NO U100 PIN A3,A4

≥ -75dBm

Check Antenna

YES YES

Re-solder or Change

Re-solder or Change L104, L105, C111

NO Check U100

END

9-40

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

FEM

Flow Chart of Troubleshooting

4 3 2 1

G G A C

RFS100

L100

ANT100

ANT101

R100

VDD_RF2G_RF(2)_2V8

C104 C105

C106

L102

R101

C110

C109

9

DPCS_TX

R104

VDD

7

4 V C1 5 V C2 6 V C3

R103

GSM850RX GSM850RX GSM900RX GSM900RX GSM1800RX GSM1800RX GSM1900RX GSM1900RX

L104

12 13 14 15 16 17 18 19

GSM_RXM_850

C111 L105

GSM_RXP_850

L1 0 6

20 UMTS1 22 UMTS2 G G G G G

RF_SM(3)

R102

GSM1800|1900TX

1 8 10 23 24

RF_SM(1) RF_SM(2)

GSM850|900TX

GSM_RXM_900

C165

3 NC 21 NC

GSM_TX

ANT

2

FEM100

11

L1 0 7

GSM_RXP_900

C113

DCS_RXM

L108 C114

FEM

DCS_RXP

C115

PCS_RXM L117

C116

PCS_RXP

B(8)_TRX

B(1)_TRX

VBAT

C100

C112

DPCS_TX L103

C107

PAM100

19 16

GSM_TX C103

DCS|PCS_IN GSM_IN

4

C167

6

C168

23 TX_EN 22 BS 24 VRAMP 25 VLOGIC

38 G 37 G 36 G 35 G

DCS_PA GSM_PA PON_PA BAND_SEL V_RAMP

G G G G G G G G G G G G G G G G G G G G G G G G G

L101

GSM_OUT

34 33 32 31 30 29 28 27 21 20 18 17 15 14 13 12 11 10 9 8 7 5 3 2 1

C102

DCS|PCS_OUT

VBATT

26

C108

PAM (2.5G)

9-41

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

VBAT

VDD_RF2G_RF(2)_2V8 VDD_RF2G_RF(1)_2V8

C 133

BT_REQ_CLK

M4

RX_TX_IN RX_TX_IP RX_TX_QN RX_TX_QP

M5 M2 M3

A4

GSM_RXP_850 GSM_RXM_850 DCS_RXP DCS_RXM GSM_RXP_900 GSM_RXM_900 PCS_RXP PCS_RXM

VDD_RF2G_RF(1 )_2V8

VDD_RF_DIG_1V8

A3 A8 A7 A6 A5 A 10 A9

V CT C X O 1 0 0

A1 3 C1 3

3

C 150

K1 J1

3G _R E F _C L K

L115

C 153 F3 N 10 E3

C156

D_REF_ CLK

N9 D3 M9

REF_ON

R112 RAMP V_RAMP RF_CLK RF_DATA EN_RF PDN_N RST_RFIC

J 10

TP_RF_CLK TP_RF_DATA

N1 L2 C3

TP_EN_RF TP_PDN_N TP_RST_RFIC

L1 C1 0 M 11

VDD_BALUN

3 _L D O I N P A 3 _ LD O IN S YN

2 _B Q N 2 _B Q P

3_ R X I N B A N D 1

2 _R F IA P

3_ R X I N B A N D 5

3_ R X I N B A N D 2

2 _R F IA N 2 _R F ID P

3 _ R X I+

2 _R F ID N

3 _ R XI -

2 _R F IE P

3 _ R XQ + 3 _R X Q -

2 _R F IE N 2 _R F IP P

U100

2 _R F IP N

3 _ T X I+ 3 _T X I -

2 _R F O H

3 _ T XQ +

2 _R F O L

3_ T X Q -

2 _X T A L 1

3_ T X O U T B A N D 1 +

2 _X T A L 2

3 _ T X O U TB A N D 1 3_ T X O U T B A N D 2 +

2 _A F C

3 _ T X O U TB A N D 2 -

2 _V I O

3_ T X O U T B A N D 5 +

2 _X D I V

3 _ T X O U TB A N D 5 -

2 _X O U T 2 _X M O D E

3 _S P I C L K 3 _S P ID A TA

2 _X E N

3_ S P I E N 2 _R A M P I N 2 _R A M P O U T

3 _S Y S C L K E N 3_ S Y S C L K O U T

2 _S C L K 3 _T CXO IN

2 _S D I O

M1 M6 M8

H3 M7 G3

G1 3 E 13 F1 3

A1

T

B1 D1 C1

N7 N6 N4 N5

N 13 N 12 L1 3 M1 3 J13 K 13

D 10 E 10 F1 0

T P_ TP_ T P_

B 10 A 11

F1

TP_3G_R

2 _D IA G AD 2 _S E N B

3_ R E S E T N

2 _P D N B

3 _ BG M ON IT OR

2 _R E S E T B 3 _ T E ST PI N 1

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

3 _ T E ST PI N 2

GND

C140

B13

E1

G2 3_VLOOPF

3_VDDDIGIO

3_VDDDIGCORE

A2

A12

H1

N3

3_VDD3

3_VDD3_TXSYN

3_VDD3_RXSYN

N8

B2 3_VDD1V_3

N2

D13

3_VDD1V_1

3_VDD1V_2

G1

H13

2_VDD_BB

1

2

NC

NC

L12

M12 3_PAGND

3_PAGND

E2

J12

K12

3_PAGND

3_PAGND

3 _L D OIN M A IN

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

L10

L11

L9

L6

L8

L7

L4

L3

L5

K11

K9

K8

K7

K6

K5

K4

J9

K3

J3

9-42

J11

J2

H12

H2

H9

H11

G12

G9

F11

G11

F9

E9

E11

D2

D9

D11

C11

C9

C8

C7

C6

C5

C4

B9

B8

C2

B12

C164 B4

C160

2 _A U X C L K E N

B7

C157

3_ D C D C O U T 3 _D C D C T E S T 3_ D C D C S E N S E

2 _B IP

B6

C 159

K1 0

C139

2 _B IN

B5

4

VCC OUT

AFC

1 2 VCON GND

DCS_PA GSM_PA

2 _A U X C L K

3_DCDCVBATT

N1 1 M 10

2_VDD_SYHF

TRANCEIVER

R114 R115

BT_CLK

3_DCDCGND

K2

C 138

B11

C137

3_GNDDIGIO

C 136

3_GNDDIGCORE

C135

C134

G1 0 H 10

B3 F2

Flow Chart of Troubleshooting

9-43

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-6. GSM900 RX

RX ON AMP--50dBm

FEM PIN2

YES

≥ -60dBm

Re-solder RFS100, R100, L100, C106

Switch Control

NO FEM PIN14, 15

YES

Check FEM PIN4=L, PIN5=H

≥ -70dBm

PIN6=H

NO U100 PIN A5,A6

≥ -75dBm

Check Antenna

YES YES

Re-solder or Change

Re-solder or Change L106, L107, C165

NO Check U100

END

9-44

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

FEM

Flow Chart of Troubleshooting

4 3 2 1

G G A C

RFS100

L100

ANT100

ANT101

R100

VDD_RF2G_RF(2)_2V8

C104 C105

C106

L102

R101

C110

C109

9

RF_SM(3)

R102 R103 R104

VDD

7

4 V C1 5 V C2 6 V C3

GSM850RX GSM850RX GSM900RX GSM900RX GSM1800RX GSM1800RX GSM1900RX GSM1900RX

L104

12 13 14 15 16 17 18 19

20 UMTS1 22 UMTS2 G G G G G

RF_SM(1) RF_SM(2)

GSM1800|1900TX

1 8 10 23 24

DPCS_TX

GSM850|900TX

3 NC 21 NC

GSM_TX

ANT

2

FEM100

11

GSM_RXM_850

C111 L105

GSM_RXP_850

L1 0 6

GSM_RXM_900

C165

L1 0 7

GSM_RXP_900

C113

DCS_RXM

L108 C114

FEM

DCS_RXP

C115

PCS_RXM L117

C116

PCS_RXP

B(8)_TRX

B(1)_TRX

9-45

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

VBAT

VDD_RF2G_RF(2)_2V8 VDD_RF2G_RF(1)_2V8

C 133

BT_REQ_CLK

M4

RX_TX_IN RX_TX_IP RX_TX_QN RX_TX_QP

M5 M2 M3

A4

GSM_RXP_850 GSM_RXM_850 DCS_RXP DCS_RXM GSM_RXP_900 GSM_RXM_900 PCS_RXP PCS_RXM

VDD_RF2G_RF(1 )_2V8

VDD_RF_DIG_1V8

A3 A8 A7 A6 A5 A 10 A9

V CT C X O 1 0 0

A1 3 C1 3

3

C 150

K1 J1

3G _R E F _C L K

L115

C 153 F3 N 10 E3

C156

D_REF_ CLK

N9 D3 M9

REF_ON

R112 RAMP V_RAMP RF_CLK RF_DATA EN_RF PDN_N RST_RFIC

J 10

TP_RF_CLK TP_RF_DATA

N1 L2 C3

TP_EN_RF TP_PDN_N TP_RST_RFIC

L1 C1 0 M 11

VDD_BALUN

3 _L D O I N P A 3 _ LD O IN S YN

2 _B Q N 2 _B Q P

3_ R X I N B A N D 1

2 _R F IA P

3_ R X I N B A N D 5

3_ R X I N B A N D 2

2 _R F IA N 2 _R F ID P

3 _ R X I+

2 _R F ID N

3 _ R XI -

2 _R F IE P

3 _ R XQ + 3 _R X Q -

2 _R F IE N 2 _R F IP P

U100

2 _R F IP N

3 _ T X I+ 3 _T X I -

2 _R F O H

3 _ T XQ +

2 _R F O L

3_ T X Q -

2 _X T A L 1

3_ T X O U T B A N D 1 +

2 _X T A L 2

3 _ T X O U TB A N D 1 3_ T X O U T B A N D 2 +

2 _A F C

3 _ T X O U TB A N D 2 -

2 _V I O

3_ T X O U T B A N D 5 +

2 _X D I V

3 _ T X O U TB A N D 5 -

2 _X O U T 2 _X M O D E

3 _S P I C L K 3 _S P ID A TA

2 _X E N

3_ S P I E N 2 _R A M P I N 2 _R A M P O U T

3 _S Y S C L K E N 3_ S Y S C L K O U T

2 _S C L K 3 _T CXO IN

2 _S D I O

M1 M6 M8

H3 M7 G3

G1 3 E 13 F1 3

A1

T

B1 D1 C1

N7 N6 N4 N5

N 13 N 12 L1 3 M1 3 J13 K 13

D 10 E 10 F1 0

T P_ TP_ T P_

B 10 A 11

F1

TP_3G_R

2 _D IA G AD 2 _S E N B

3_ R E S E T N

2 _P D N B

3 _ BG M ON IT OR

2 _R E S E T B 3 _ T E ST PI N 1

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

3 _ T E ST PI N 2

GND

C140

B13

E1

G2 3_VLOOPF

3_VDDDIGIO

3_VDDDIGCORE

A2

A12

H1

N3

3_VDD3

3_VDD3_TXSYN

3_VDD3_RXSYN

N8

B2 3_VDD1V_3

N2

D13

3_VDD1V_1

3_VDD1V_2

G1

H13

2_VDD_BB

1

2

NC

NC

L12

M12 3_PAGND

3_PAGND

E2

J12

K12

3_PAGND

3_PAGND

3 _L D OIN M A IN

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

L10

L11

L9

L6

L8

L7

L4

L3

L5

K11

K9

K8

K7

K6

K5

K4

J9

K3

J3

9-46

J11

J2

H12

H2

H9

H11

G12

G9

F11

G11

F9

E9

E11

D2

D9

D11

C11

C9

C8

C7

C6

C5

C4

B9

B8

C2

B12

C164 B4

C160

2 _A U X C L K E N

B7

C157

3_ D C D C O U T 3 _D C D C T E S T 3_ D C D C S E N S E

2 _B IP

B6

C 159

K1 0

C139

2 _B IN

B5

4

VCC OUT

AFC

1 2 VCON GND

DCS_PA GSM_PA

2 _A U X C L K

3_DCDCVBATT

N1 1 M 10

2_VDD_SYHF

TRANCEIVER

R114 R115

BT_CLK

3_DCDCGND

K2

C 138

B11

C137

3_GNDDIGIO

C 136

3_GNDDIGCORE

C135

C134

G1 0 H 10

B3 F2

Flow Chart of Troubleshooting

9-47

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-7. DCS RX

RX ON AMP--50dBm

FEM PIN2

YES

≥ -60dBm

Re-solder RFS100, R100, L100, C106

Switch Control

NO FEM PIN16, 17

YES

Check FEM PIN4=L, PIN5=L

≥ -70dBm

PIN6=H

NO U100 PIN A7,A8

≥ -75dBm

Check Antenna

YES YES

Re-solder or Change

Re-solder or Change L113, L114, C108

NO Check U100

END

9-48

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

FEM

Flow Chart of Troubleshooting

4 3 2 1

G G A C

RFS100

L100

ANT100

ANT101

R100

VDD_RF2G_RF(2)_2V8

C104 C105

C106

L102

R101

C110

C109

9

RF_SM(3)

R102 R103 R104

VDD

7

4 V C1 5 V C2 6 V C3

GSM850RX GSM850RX GSM900RX GSM900RX GSM1800RX GSM1800RX GSM1900RX GSM1900RX

L104

12 13 14 15 16 17 18 19

20 UMTS1 22 UMTS2 G G G G G

RF_SM(1) RF_SM(2)

GSM1800|1900TX

1 8 10 23 24

DPCS_TX

GSM850|900TX

3 NC 21 NC

GSM_TX

ANT

2

FEM100

11

GSM_RXM_850

C111 L105

GSM_RXP_850

L1 0 6

GSM_RXM_900

C165

L1 0 7

GSM_RXP_900

C113

DCS_RXM

L108 C114

FEM

DCS_RXP

C115

PCS_RXM L117

C116

PCS_RXP

B(8)_TRX

B(1)_TRX

9-49

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

VBAT

VDD_RF2G_RF(2)_2V8 VDD_RF2G_RF(1)_2V8

C 133

BT_REQ_CLK

M4

RX_TX_IN RX_TX_IP RX_TX_QN RX_TX_QP

M5 M2 M3

A4

GSM_RXP_850 GSM_RXM_850 DCS_RXP DCS_RXM GSM_RXP_900 GSM_RXM_900 PCS_RXP PCS_RXM

VDD_RF2G_RF(1 )_2V8

VDD_RF_DIG_1V8

A3 A8 A7 A6 A5 A 10 A9

V CT C X O 1 0 0

A1 3 C1 3

3

C 150

K1 J1

3G _R E F _C L K

L115

C 153 F3 N 10 E3

C156

D_REF_ CLK

N9 D3 M9

REF_ON

R112 RAMP V_RAMP RF_CLK RF_DATA EN_RF PDN_N RST_RFIC

J 10

TP_RF_CLK TP_RF_DATA

N1 L2 C3

TP_EN_RF TP_PDN_N TP_RST_RFIC

L1 C1 0 M 11

VDD_BALUN

3 _L D O I N P A 3 _ LD O IN S YN

2 _B Q N 2 _B Q P

3_ R X I N B A N D 1

2 _R F IA P

3_ R X I N B A N D 5

3_ R X I N B A N D 2

2 _R F IA N 2 _R F ID P

3 _ R X I+

2 _R F ID N

3 _ R XI -

2 _R F IE P

3 _ R XQ + 3 _R X Q -

2 _R F IE N 2 _R F IP P

U100

2 _R F IP N

3 _ T X I+ 3 _T X I -

2 _R F O H

3 _ T XQ +

2 _R F O L

3_ T X Q -

2 _X T A L 1

3_ T X O U T B A N D 1 +

2 _X T A L 2

3 _ T X O U TB A N D 1 3_ T X O U T B A N D 2 +

2 _A F C

3 _ T X O U TB A N D 2 -

2 _V I O

3_ T X O U T B A N D 5 +

2 _X D I V

3 _ T X O U TB A N D 5 -

2 _X O U T 2 _X M O D E

3 _S P I C L K 3 _S P ID A TA

2 _X E N

3_ S P I E N 2 _R A M P I N 2 _R A M P O U T

3 _S Y S C L K E N 3_ S Y S C L K O U T

2 _S C L K 3 _T CXO IN

2 _S D I O

M1 M6 M8

H3 M7 G3

G1 3 E 13 F1 3

A1

T

B1 D1 C1

N7 N6 N4 N5

N 13 N 12 L1 3 M1 3 J13 K 13

D 10 E 10 F1 0

T P_ TP_ T P_

B 10 A 11

F1

TP_3G_R

2 _D IA G AD 2 _S E N B

3_ R E S E T N

2 _P D N B

3 _ BG M ON IT OR

2 _R E S E T B 3 _ T E ST PI N 1

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

3 _ T E ST PI N 2

GND

C140

B13

E1

G2 3_VLOOPF

3_VDDDIGIO

3_VDDDIGCORE

A2

A12

H1

N3

3_VDD3

3_VDD3_TXSYN

3_VDD3_RXSYN

N8

B2 3_VDD1V_3

N2

D13

3_VDD1V_1

3_VDD1V_2

G1

H13

2_VDD_BB

1

2

NC

NC

L12

M12 3_PAGND

3_PAGND

E2

J12

K12

3_PAGND

3_PAGND

3 _L D OIN M A IN

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

L10

L11

L9

L6

L8

L7

L4

L3

L5

K11

K9

K8

K7

K6

K5

K4

J9

K3

J3

9-50

J11

J2

H12

H2

H9

H11

G12

G9

F11

G11

F9

E9

E11

D2

D9

D11

C11

C9

C8

C7

C6

C5

C4

B9

B8

C2

B12

C164 B4

C160

2 _A U X C L K E N

B7

C157

3_ D C D C O U T 3 _D C D C T E S T 3_ D C D C S E N S E

2 _B IP

B6

C 159

K1 0

C139

2 _B IN

B5

4

VCC OUT

AFC

1 2 VCON GND

DCS_PA GSM_PA

2 _A U X C L K

3_DCDCVBATT

N1 1 M 10

2_VDD_SYHF

TRANCEIVER

R114 R115

BT_CLK

3_DCDCGND

K2

C 138

B11

C137

3_GNDDIGIO

C 136

3_GNDDIGCORE

C135

C134

G1 0 H 10

B3 F2

Flow Chart of Troubleshooting

9-51

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-8. PCS RX RX ON AMP--50dBm

FEM PIN2

YES

≥ -60dBm

Re-solder RFS100, R100, L100, C106

Switch Control

NO FEM PIN18, 19

YES

Check FEM PIN4=L, PIN5=L

≥ -70dBm

PIN6=H

NO U100 PIN A9,A10

≥ -75dBm

Check Antenna

YES YES

Re-solder or Change

Re-solder or Change L115, L116, C117

NO Check U100

END

9-52

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

FEM

Flow Chart of Troubleshooting

4 3 2 1

G G A C

RFS100

L100

ANT100

ANT101

R100

VDD_RF2G_RF(2)_2V8

C104 C105

C106

L102

R101

C110

C109

9

RF_SM(3)

R102 R103 R104

VDD

7

4 V C1 5 V C2 6 V C3

GSM850RX GSM850RX GSM900RX GSM900RX GSM1800RX GSM1800RX GSM1900RX GSM1900RX

L104

12 13 14 15 16 17 18 19

20 UMTS1 22 UMTS2 G G G G G

RF_SM(1) RF_SM(2)

GSM1800|1900TX

1 8 10 23 24

DPCS_TX

GSM850|900TX

3 NC 21 NC

GSM_TX

ANT

2

FEM100

11

GSM_RXM_850

C111 L105

GSM_RXP_850

L1 0 6

GSM_RXM_900

C165

L1 0 7

GSM_RXP_900

C113

DCS_RXM

L108 C114

FEM

DCS_RXP

C115

PCS_RXM L117

C116

PCS_RXP

B(8)_TRX

B(1)_TRX

9-53

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

VBAT

VDD_RF2G_RF(2)_2V8 VDD_RF2G_RF(1)_2V8

C 133

BT_REQ_CLK

M4

RX_TX_IN RX_TX_IP RX_TX_QN RX_TX_QP

M5 M2 M3

A4

GSM_RXP_850 GSM_RXM_850 DCS_RXP DCS_RXM GSM_RXP_900 GSM_RXM_900 PCS_RXP PCS_RXM

VDD_RF2G_RF(1 )_2V8

VDD_RF_DIG_1V8

A3 A8 A7 A6 A5 A 10 A9

V CT C X O 1 0 0

A1 3 C1 3

3

C 150

K1 J1

3G _R E F _C L K

L115

C 153 F3 N 10 E3

C156

D_REF_ CLK

N9 D3 M9

REF_ON

R112 RAMP V_RAMP RF_CLK RF_DATA EN_RF PDN_N RST_RFIC

J 10

TP_RF_CLK TP_RF_DATA

N1 L2 C3

TP_EN_RF TP_PDN_N TP_RST_RFIC

L1 C1 0 M 11

VDD_BALUN

3 _L D O I N P A 3 _ LD O IN S YN

2 _B Q N 2 _B Q P

3_ R X I N B A N D 1

2 _R F IA P

3_ R X I N B A N D 5

3_ R X I N B A N D 2

2 _R F IA N 2 _R F ID P

3 _ R X I+

2 _R F ID N

3 _ R XI -

2 _R F IE P

3 _ R XQ + 3 _R X Q -

2 _R F IE N 2 _R F IP P

U100

2 _R F IP N

3 _ T X I+ 3 _T X I -

2 _R F O H

3 _ T XQ +

2 _R F O L

3_ T X Q -

2 _X T A L 1

3_ T X O U T B A N D 1 +

2 _X T A L 2

3 _ T X O U TB A N D 1 3_ T X O U T B A N D 2 +

2 _A F C

3 _ T X O U TB A N D 2 -

2 _V I O

3_ T X O U T B A N D 5 +

2 _X D I V

3 _ T X O U TB A N D 5 -

2 _X O U T 2 _X M O D E

3 _S P I C L K 3 _S P ID A TA

2 _X E N

3_ S P I E N 2 _R A M P I N 2 _R A M P O U T

3 _S Y S C L K E N 3_ S Y S C L K O U T

2 _S C L K 3 _T CXO IN

2 _S D I O

M1 M6 M8

H3 M7 G3

G1 3 E 13 F1 3

A1

T

B1 D1 C1

N7 N6 N4 N5

N 13 N 12 L1 3 M1 3 J13 K 13

D 10 E 10 F1 0

T P_ TP_ T P_

B 10 A 11

F1

TP_3G_R

2 _D IA G AD 2 _S E N B

3_ R E S E T N

2 _P D N B

3 _ BG M ON IT OR

2 _R E S E T B 3 _ T E ST PI N 1

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

GND

3 _ T E ST PI N 2

GND

C140

B13

E1

G2 3_VLOOPF

3_VDDDIGIO

3_VDDDIGCORE

A2

A12

H1

N3

3_VDD3

3_VDD3_TXSYN

3_VDD3_RXSYN

N8

B2 3_VDD1V_3

N2

D13

3_VDD1V_1

3_VDD1V_2

G1

H13

2_VDD_BB

1

2

NC

NC

L12

M12 3_PAGND

3_PAGND

E2

J12

K12

3_PAGND

3_PAGND

3 _L D OIN M A IN

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

L10

L11

L9

L6

L8

L7

L4

L3

L5

K11

K9

K8

K7

K6

K5

K4

J9

K3

J3

9-54

J11

J2

H12

H2

H9

H11

G12

G9

F11

G11

F9

E9

E11

D2

D9

D11

C11

C9

C8

C7

C6

C5

C4

B9

B8

C2

B12

C164 B4

C160

2 _A U X C L K E N

B7

C157

3_ D C D C O U T 3 _D C D C T E S T 3_ D C D C S E N S E

2 _B IP

B6

C 159

K1 0

C139

2 _B IN

B5

4

VCC OUT

AFC

1 2 VCON GND

DCS_PA GSM_PA

2 _A U X C L K

3_DCDCVBATT

N1 1 M 10

2_VDD_SYHF

TRANCEIVER

R114 R115

BT_CLK

3_DCDCGND

K2

C 138

B11

C137

3_GNDDIGIO

C 136

3_GNDDIGCORE

C135

C134

G1 0 H 10

B3 F2

Flow Chart of Troubleshooting

9-55

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

7. Block Diagrams 7-1. RF Block Diagram

7-1

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

Block Diagrams

7-2. Base Band Solution Block Diagram

7-2

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

8. PCB Diagrams

8-1

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization

PCB Diagrams

8-2

SAMSUNG Proprietary-Contents may change without notice This Document can not be used without Samsung's authorization