Samsung SGH-S5620B, GT-S5620B TSHOO

9. Flow Chart of Troubleshooting

9-1.

Power On

'

Power On'does not work

Yes

Check the Battery Voltage

is more than

Check the Clock at

OSC

300(

32.768

C311(VCORE_1.2V

C310(VMEM_1.8V)

3.3V

Yes

C305,C307)

KHz

Yes

) = 1.24

=1.8V

Yes

No

=

V?

No

Change the Battery

Resolder OSC

Check the U300

300

C322(VBB_D_2.9V

C334

C319(VCXOPWR_2.8V

(1.2_

C610(V_BATT)

Check for the clock at

OSC100(C173)

Check the initial operation

VDD

END

)=2.9

)=1.2

>3.3

Yes

=26

Yes

V?

)=2.8

V?

MHz

V?

No

Check the U300 and BTC600

Check the OSC100 and U102

9-1

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

FM_RADIO_L FM_RADIO_R

3.0V_ANLG1

3.0V_ANLG2

2.8V_VDDAUX1

VRF_U_2.8V_FEM

VCAM_1.8V VCAM_D_2.8V VCAM_A_2.8V

1.2V_VDD

3.0V_AMP1

VDD_TFLASH_3.0V

VTOUCH_2.9V

3.3V_USB_NVM

VRF_U_2.8V

2.5V_VDDORF2

VCXOPWR_2.8V

VDD_SIM_3.0V

VBB_D_2.9V

VBAT_3.8V

AMP_N

AMP_P

L302 L303

C320 C322C321

C319 C323 C331 C336

C308

C309

C324

C325

C326 C330

C327 C328

C301

C329

C303

C302

C304

C333

C332

Flow Chart of Troubleshooting

VBUS_5V

C300

3

9

8

9

D

C

D

G

N

S

B

A

I

T

U

O

T

B

C

A

V

B

A3

IN1

D1

IN2

B4

IN3

C5

IN4

D6

IN5

D7

IN6

B8

IN7

J4

IN8

H8

IN9

H5

IN10

H9

IN11

H4

INA1

G4

INA2

G5

INB1

G6

INB2

H1

INLV1

E1

INLV2

B9

ALDO1

B7

ALDO2

E5

AUXLDO1

F5

AUXLDO2

E6

AUXLDO3

F6

AUXLDO4

E7

AUXLDO5

H2

LVLDO1

E2

LVLDO2

A6

HCLDO1

A5

HCLDO2

B5

MSLDO1

B6

MSLDO2

A8

RFLDO1

A7

RFLDO2

F4

LCLDO

B3

SIMLDO

A4

IOLDO

D

N

G

G A

G

D

8

7

9

F

C334

F

C335

F1

XIN

G1

XOUT

C306

H6

C1N

J7

C1P

C3

FB1

C2

FB2

A2

L300

LX1

C1

L301

LX2

G7

RXINN

H7

RXINP

J3

R300 18

HPL

J2

R301 18

HPR

G9

OUTN

J8

OUTP

E9

CHGINA

E8

CHGINB

U300

D4

PC1

E4

TP301

PC2

D3

32KHZ

C315

C8

VL

H3

C316

10V

VBIAS

C6

SCL

C7

SDA

C4

C317

TP304

IRQB

D5

REFBP

10V

E3

RESETB

D2

HFPWRB

F3

PWRONB

F2

TEST1

G2

TEST2

NC NC NC NC NC NC

1

4

2

3

D

N

S

G

S

P

V

8

1

2

6

5 J

J

B

G

B

C318

A1 A9 J1 J9 1 2

SPK_N SPK_P

VBUS_5V

PC CAL_REQ

CLK32K

PMU_IRQ

TP305

BB_RESET ACC_DET ONKEY

OSC300

VBB_D_2.9V

C305

C307

8 0 4 D Z

R305

BAT300

C341

VCORE_1.2V VMEM_1.8V

L413 L414

C311

C310

7 0 4 D Z

R306

SCL SDA

EARSPK_L EARSPK_R

3

1

C

8

C335

3

0

C

1

3

0

1

L

0

3

C

0

3

2

C

C 3 0 5

C 3

0

1 9

0

3 C S

C 3

O

3 4

4

1

3

C

0

3

T A B

C609

7 0 3 C

R 3 0

C

C 3 0 9

1 3 0 8

2

5

6 0 5 F

0

6

0

T

A

2

0

6 D

R609

0 0 3 L

4

3

P

0

T

U300

R 3

6

0

3

0

3 C

C

3

C326

0

1

6 C

C 3 1 1

6 0 3 C

2

0

1

3

C

3

2

BTC600

C301

C304

C300

0

4

3

2

2 3 C

C323

1

3

2

3

C

C315

8

7

2

3

C

C329

C

0

3

7

3

1

2

6

3

R

C

R

4

1

0

Q

4

0

1 1 4 R

0 2 3 C

TAC602

BH603

ZD601

4

0

L

5

R

5

4

0

L409

9-2

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

2

0

GSM850_RX2

GSM850_RX1

GSM_RX2

GSM_RX1

VCXOPWR_2.8V

DCS_RX2

DCS_RX1

PCS_RX2

PCS_RX1

8 0 1 L

UMTS_AFC

L105

3 0 1 R

VBAT_3.8V

V_DCDC_OUT_1.5V

3G_2100_RX

3G_850_RX

U_RX_IN U_RX_IP U_RX_QN U_RX_QP

U_TX_IN U_TX_IP U_TX_QN U_TX_QP

TP102

TP106

L110

3W_CLK 3W_DATA 3W_EN

7

1

1 C

UMTS_RF_CLK

3G_RESET

1 2 3 4

L109

U100

EN OUT VIN LX

C137

C141

8

PGND

7

PGND

6

PGND

5

AGND

C136

F105

F106

3G_2100_TX

3G_850_TX

9 2 0 1 C

C144

0 3 0 1 C

8

0

9

4

0

1 C

VRF_4228

C119

C125

6 0 1 L

C129

C132

7 0 1 L

C133

C134

C135

C138

1 1 1 L

C142

C148

R118

VCC

4

C153

OSC100

BT_CLK

CAL_REQ

BB_CLK

PC

R115

R116

2

GND

OUT

3

VBAT_3.8V

C128

N8

2_AUXCLK

M6

2_AUXCLKEN

K3

2_CTRLCLK

SYNCLK

R112

R111

G_DIGRF_DATA

G_DIGRF_TXEN

R113

VRF_4228

RFST

C173

UMTS_RF_CLK

SYNDAT DSYNEN

GSM_TX_HB GSM_TX_LB

C139

1005

R114

C145

C149

L3

2_CTRLDATA

J3

2_CTRLEN

A4

2_RFIAP

A3

2_RFIAN

A8

2_RFIDP

A7

2_RFIDN

A6

2_RFIEP

A5

2_RFIEN

A10

2_RFIPP

A9

2_RFIPN

A13

2_RFOH

C13

2_RFOL

M4

TP100

2_RXTXDATA

M2

TP101

2_RXTXEN

L11

2_SW0

M12

2_SW1

M11

2_SW2

M10

2_SW3

N3

2_SYSCLK

M5

2_SYSCLKEN

J1

2_XTAL1

H1

2_XTAL2

M1

2_VIO

N10

2_VRF

D3

2_XMODE

TP105

M3

2_STROBE

H11

2_PABAND

J11

2_PAEN

K11

2_PAMODE

F11

2_RAMPOUT

D

N

G

2

0

2

8

3

2

4

2

1

L

E

B

D

C

J

L

K

B

5

1

0

1

C

1

0

1

C

1

3

1

2

9

2

1

N

B

A

K

G

N

H

D

1

3

2

3

F

T

N

B

_

D

H

T

Y

B

V

Y

D

A

_

S

1

S

V

B

X

D

_

T

V

R

D

3

_

D

_

V

2

V

3

D

_

D

2

D

V

3

D

_

D

2

V

_

3

U102

D

N

G

7

8 F

E

G

D

N

G

2

5

9

5

7

6

1

J

H

B

D

K

C

D

N

G

2

8

6

2

8

9

6

8

7

1

J

F

E

H

B

G

D

K

D

2.8V_VDDAUX1

VRF_U_2.8V

VRF_4228

0

2

3

1

2

1

2

1

C

2

3

1

E

B

A

E

O

N

I

R

U

G

I

L

O

A

D

C

B

D

G

I

_

D

V

D

_

3

D

V V

_

3

D

N

G

2

9

7

9

8

1

J

E

G

H

F

C118

C

2

7

2

3

1

2

F

B

G

M

H

C

N

D

N

G

2

5

3

7

9

1

E

B

D

K

E

D

D N G

3 G

D

N

G

2

1

5

9

8

6

5

8

9

1

F

J

E

H

G

B

D

G

DCDC_EN

VBAT_3.8V

3_TXOUTBAND1N 3_TXOUTBAND1P 3_TXOUTBAND2N 3_TXOUTBAND2P 3_TXOUTBAND5N 3_TXOUTBAND5P

D

N

G

5

2

J

K

3_DCDCOUT 3_DCDCSENSE 3_DCDCVBATT

3_LDOINMAIN

3_LDOINPA

3_LDOINSYN

3_RXINBAND1 3_RXINBAND2 3_RXINBAND5

3_SPICLK

3_SPIDATA

3_SYSCLKEN

3_SYSCLKOUT

3_TCXOIN

3_RESETN

D

N

G

2

7

5

J

F

C

3_RXIN

3_RXIP 3_RXQN 3_RXQP

3_TXIN

3_TXIP 3_TXQN 3_TXQP

3_SPIEN

D N G

6

K

R101

6

1

1 C

L1 M9 N1

H3 M8 F3

G13 F13 E13

B1 A1 C1 D1

N6 N7 N5 N4

N12 N13 M13 L13 K13 J13

B12 C11

TP103

D11

TP104

B11 A11

F1

E11

D N G

V_DCDC_OUT_1.5V

D

N

G

6

2

7

6

9

2

F

E

H

G

B

D

K

1

6

R

C

3

1

6

C

1

F

0

2

9

1 0 5

1

C

4

C1030

F 1

0

6

C 1

0

2

5

C154

9

1

0

F

0

1

7

3

C

1

C

0

2

6

1

L

0

1

C144

C 1

1

8

5

3

2

1

L

6

1

L

1

L

7

4

1 C

9

0

1 C

C 1 2 3

F

1

L 1

C 1

8

1

2

9

1

9

0

C

1

L

1

C 1

3

2

C

1

3

4

8

2

1

5

0

8

1

1 R

R 1

2

1

1 R

U

1

L

1

6

0

C 1

3

5

C

1

2

9

5

1

L

0

9

4

3

1

C

R

C 1 2 6

C 1 0 8

2

C

1

3

4

3

1

L

0

7

1

3

R

C 1 0 5

C

1

C145

C

1

2

1

C

1

4

9

C

1

0

4

C

1

7

3

C

1

2

C153

1

C

1

0

2

1

0

C

4

TP100

0

1 C S O

1

T

P

1

0

5

1

0

T

P

8

4

1

C

R118

C

1

U 1

9-3

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-2.

Initial

Initial Failure

Yes

pin E3(BB_RESET,TP305)

U300

Check the circuit around LCD&HDC

Short or not solder)

(

V?

0

END

Yes

=

500

No

Check the circuit connected to reset

9-4

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

3

0

TP201

1

5

T

P

2

T P

T

P

2

1

0

TP305

4

3

0

1

R

R 5

4

0

3

4

0

1

C1019

U

9

1

C

5 8 1 C

2

0

1 C S O

1

C

0

1

0

R124

6

8

2

1

R

R127

1

5

6

2

1

C

1

6

4

C

R

3

1

6

C

5 R

9

1

5

C

5

0

5

4

R501R502

R

0

5

0

C

6

5

0

5

0

F

4

F

5

0

5

4

C

1

5

C

1

5

3

C

1

HDC500

F501F503

C

3

8

1

C335

F505

4

C

2

3

0

1

3

2

3

ZD601

0 2 3

9-5

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-3.

Charging Part

Abnormal charging part

Check the Battery&TA

L600=5V?

Yes

C605=5V?

Yes

No

Resolder IFC

Replace U602

600

or L600

END

Yes

9-6

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

C

1

9

3

0

I

F

C

6

0

1

T

0

2

N

A

USB_ID_JTAG

USBN

USBP

USB_ID

L600

C602

VBUS

L 1 3 3

C605

17

18

19

20

21 22 23

VBUS

DM

DP

ID

GND NC NC

L 1

4

3

9

4

1 C

VBUS_5V

6

1

T E S

I

R

_ K P S

1

3 0 1 F

VBAT_3.8V

T N

I

_ W

S

_ B S U

L

A

C

D S

S

5

4

3

1

L

T

A

C

U

D

S

O

_

C

2

I

U602

L

_ K

C

I

+

P

M

D

S

3

4

2

C601

0

6 P T

2

1

B

D

T

D

N

V

I

10

JIG

9

VDDIO

8

BOOT

7

TXD

D

-

X

D

R

5

6

D601

VBB_D_2.9V

RXD2

C603

USB_N USB_P

ACC_DET_J

ACC_DET

BOOT_SW

TXD2

TXD2_JTAG

RXD2_JTAG

3

0

8

R

0

L

6

0

U602

R305

2

C

6

0

5

C 6

0

1

R306

C

6

0

5

U500

C 5

0

2

6

0

3

C

C 3 4

C

0

R507

D

L500

5 0 0

0

1

0

C

2

R 5 0 5

9-7

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-4.

Sim Part

Insert SIM is displayed on the LCD

"

(

Yes

Check the SIM connector's

SIM

connection to SIM card

300)

Yes

Check the voltage at R309 of

VDD_SIM_3.0V

>= 3.0V ?

No

Resolder or change SIM

Check the U300

300

Is there any signals

pin#

C2,#C3,#

C7 of SIM

Yes

END

300 ?

No

Check the UCP200

9-8

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

3

7

1

L

OSC101

R

1

3

Z

D

606

C

1

6

7

BH601 BH603

8

5

1

C

C 1 0 2 7

C

PAM102

1 0 2 4

C 1 0 0 9

8 2 0 1 C

R

V 2

2

9

0

1

0

2 R

C C 1

7

9

C1007

3

0

1

R

R101

U 1

0 0

L 1 0 5

F

1

0

2

L118

6

1

4

C

0

2

1

L

L117

C 1 5 1

C1006

L121

5

9

C

1

L112

C

1

6

4

0 0 8

3

2

0

5 5

1

5

2

1

1 L

C

2

0

1

2

R134

6

1

C

6

3

1

C

1

F

0 2 9

1

0

5

7

9

3

0

C

1

L

C

0 2 6

0

1

4

C

L

1

C1030

C144

F 1 0 6

C 1 1 8

C 1 0 2 5

3

5

2

1

L

C154

6 1 1

1

9

1

L

7 4 1 C

9 0 1 C

C 1

2

3

0

1

F

L

1

3

C140

C

L 1 0 4

C

S I

M 3

0

R

5 1

C

1 R

1

8

R

0

1

2

1

2

8

9

1

C

R

0

2

1

U

1

L

6

0

1

L

C

1

3

2

3

4

5

C

1

3

4

8

2

C 1 0 3

C

1

2

9

5

7

0

1

L

8

0

1

L

1

0

F

0

C 1

0

9

8

6

0

1

0

7

1

C106

R

1 C

0

6

1

6

9

C

8

1

7 1

C

2

1

0

1 C

1

3

R

1

C

9

4

1

3

1

0

1

5

1

C

R

C145

2

1

C

1

4

1

C

9

4

0

1

C

3

7

1

C

2

1

C

0

1

0

2

1

C 1

2

6

4

2

1 C

C 1

2

7

3

1

C

1

3

0

2

1

2

9

C

1 C

4 2 1 P T

P

T

1

5

0

1

C

P

T

1

0

TP100

0 0 1

C S O

1

8

4

C

C153

R118

C

4

1

C

U 1

0

1

2

0

1

C

C112

0

1

C

3

4

0

3

P

L

0

3

1

3

C

0

3

2

C

0

3

C 3

0

1

9

0

3 C S

C

3

O

0

3

9

4

9

0

4

C

L

4

0

4

R

0

T A

1

4

0

4

0

R

C202

1

0

C

4

C

4

L

4

0

1

L

4

C

0

4

0

2

8

C404

0

4 C

C402

2

C254

1

4 C

C231

R 6 1 0

C226

C227

6

4

2

7

C

4 2 C

0

2 3

3

2

C

7 3 2 C

3

2

2 R

2 2

C221

2 C

T P 2 2 3

TP217

TP213

TP210

TP220

TP224

C 3

3 7

C252

C338

C 3

3

9

0

3 R

T

U300

C 3

0

5

7

0

3 C

R

3

6

0

3

C 3

0

8

1

7

U

5

C240

3

5

2

C

C 5

2

0

5

L

0

1

0

3

C

2

5

1

C517

2

R 2 2 4

3

C

C326

C

2

5

C201

8

5

8

1

C

R

2 3

2

9

6

2

1

9

1

0

2 R

0

2 P C U

6

0

2

C

C251

1

TP212

8

3

0

0 2 P T

TP222

R232

D

5

0

TP225

C315

C323

8

1 3 2 R

R207

R206

R203

R205

R204

R201

2

3 C

C 3

7

1

6

3 C

R 2

1

8

D

6

0

5

9

2

R

C 2

4

5

C241

C205

T P 2 1 6

5

TP108

4

2 C

7

2

6

2

3

4

2 C

D200

Z

TAC601

TAC602

2

1

P

R

7

C301

2

3 C

C304

C329

C300

0 3 2 R

0

1

R

4

0

Q

1 1

4 R

C

2

C

2

C225

4 2

7

0

1

P

T

2

C

1

2

1

6

P

T

0 3 P T

4

3

2

1

2

C

2

P

T

U M E

T P 2

2

1 9

0

TP218

T P

2

P

T

2 0 7

0

R

0

2

5

C

0

1

D

H

T

VDD_SIM_3.0V

R309

SIMIO

SIM300

C8

C7

C3

C4

1

NC

2

NC

3

NC

7

C5

C6

C2

C1

6

NC

5

NC

C

4

NC

N

8

9

C339C338

SIMRSTSIMCLK

C337

9-9

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Flow Chart of Troubleshooting

9-5.

Microphone Par

Microphone does not work

Is the MIC status of KEY

FPCB O.K?

Is the voltage of

2.1V ?

t

Yes

C517

No

Replace the KEY FPCB

No

Check UCP200

Is the path around MIC bias

circuit O.K?

Yes

END

No

Replace the PBA.

9-10

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Flow Chart of Troubleshooting

6

MIC_BIAS

HDC501

MAIN_MIC_P

KEY_ROW(1)

L502

TP213

TP210

TP220

TP224

C517

C520

12 13

NCNC

14

2

8

10

1

3344

5566 77 8 99

NC NC

11

6

4

5

1

3

D501

KEY_COL(1)

KEY_ROW(2)

ONKEY

U M

E 2

0

T P 2

1

9

TP218

9

R207

R206

R203

2

TAC

R

0

H

R205

R204

2

R

R201

C 3

3

7

C252

C338

C 3

3

9

2

C

5

3

1

C 5

9

0

3 R

2

0

5 L

C517

R232

5

0

D

TP225

8

0

2 P T

TP222

T P

3

2

P

0

T

2

0

7

0

1

5

C

D

9-11

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Flow Chart of Troubleshooting

9-6.

Speaker Part

Speaker does not work

Is the terminal of speaker

Is there any signals at

OK?

Yes

L406, L408

Yes

C308, C309

Yes

END

No

Check the Speaker contact

change the speaker

&

Check the circuit around U300

Check the circuit around UCP200

9-12

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This Document can not be used without Samsung's authorization