Samsung SGH-S7330, GT-S7330 Troubleshooting

10. Flow Chart of Troubleshooting

10-1-1.

Power ON

Power On' does not work

'

Check the current consumption

Yes

Current consumption

Check the Vbat Voltage

Voltage

#3

Pin

mA

>= 100

Yes

>=3.3V

Yes

of D400 is high?

Yes

No

No

Download again

Charge the Battery

No

Check D400

Check the PMIC output

voltage

C422,C424,C423,C417,

(

C428,C418)

Yes

Check Pin#3 of TCX200

is

MHz?

19.2

Yes

Check the initial operation

END

No

No

Check U400

Check the clock generation circuit

relatedtoTCX200

(

)

10-1

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This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

10-2

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This Document can not be used without Samsung's authorization

V_RF_S2_2.1V

Flow Chart of Troubleshooting

< Power Management IC >

V_RF_S3_2.7V

A7

MPP1|AMUX_IN1

B7

MPP2|AMUX_IN2

K3

AMUX_OUT

L2

MPP3|KPD_DRV_N

L1

MPP4|LCD_DRV_N

L3

VIB_DRV_N

D7

MPP5|RUIM_M_RST

H7

MPP6|RUIM_RST

D6

MPP9|RUIM_M_CLK

H6

MPP10|RUIM_CLK

D5

MPP11|RUIM_M_IO

H5

MPP12|RUIM_IO

K2

MPP7|CBLPWR_N

B4

MPP8|REF_OUT

D4

OPT_1

H8

OPT_2

C11

REF_BYP

E10

REF_GND

D10

REF_ISET

B5

SPKR_IN_M

B6

SPKR_IN_P

A5

SPKR_OUT_M

A6

SPKR_OUT_P

D8

TCXO_EN_1

E4

TCXO_EN_2

E11

TCXO_IN

H10

TCXO_OUT_1

B10

TCXO_OUT_2

F11

TCXO_OUT_RF

G4

USB_DAT

J1

USB_D_M

J2

USB_D_P

H2

USB_ID

F4

USB_OE_N

F2

USB_OVP_G

H4

USB_SE0

H1

USB_VBUS

1

3

E

B

P

T
A

G
_

B
V

D
D
V

(0.5~2.0 vpp)
(L:~0.45V, H:2.15V~)
(L:~0.45V, H:2.45V~)

D

D

D

N

N

N

G

G

G

6

5

7

E

E

E

R400

VREG_SD_MEM_2.8V

VREG_SD_2.8V

L400

VBATT

R409

C438

VREG_MSMP_2.6V

TP_HSET_BIAS

ON_SW
PM_INT_N
PON_RESET_N

SLEEP_CLK

C439

C401

L401

R412

PMIC_SBDT

D400

3

1

POS

NEG

2

2

1

BAT400

OSC400

1

2

PS_HOLD

BOOT_SW

C415

C435

C419

R401

C436

C421

TA_VEXT_5V

R410

1

C400

0

1

1

9

2

4

1

5

7

1

1

1

L

L

F

B

B

A

G

K

H

A

3

F

V

V

C

R

N

M

IN

IM

2

5

5

R

K

A

S

M

A

_

_

S

U

_

L

P

S

M

_

G

R

M

D

S

_

M

D

_

_

D

_

_

D

D

D

D

V

D

D

D

V

D

D

D

V

D

V

V

V

V

U400

D

D

D

D

D

D

N

N

N

N

N

N

G

G

G

G

G

G

5

7

6

5

6

7

F

F

F

G

G

G

W

W

E

S

_

VREG_GP1

R

V

D

V

D

VREG_GP2

V

VREG_GP3

VREG_MMC
VREG_MSMA
VREG_MSME
VREG_MSMP
VREG_MSMC

VSW_MSMC

VREG_RFRX1
VREG_RFRX2

VREG_RFTX

VREG_RFUBM

VREG_RUIM

VREG_S2
VREG_S3

VSW_S2
VSW_S3

VREG_TCXO

VREG_USB

VREG_WLAN

ISNS_M
ISNS_P

XTAL_IN

XTAL_OUT

SBDT|SSBI

VCOIN

BAT_FET_N
CHG_CTL_N

HSET_BIAS
KPD_PWR_N

MSM_INT_N

PON_RESET_N

PS_HOLD

SLEEP_CLK

C

C

C

N

N

N

D

1
1

2

1

D

SBCK

SBST

VCHG

(1.5V~3.05V, Default 2.8V)

A3
A2
B1

L9

G11

K8
J11
K4

K5

A9
A10
A8
B8
L10

L8

L6

K7

K6

L402

A1
G2
B11

R432

D1
D2

R406

L11
K11

R407

F8
G8
E8

J10
E2
C2
C1
K1

L4
C10
G10
F10

K9

R413

TP_V_GP400

VREG_MSMP_2.6V

VREG_MSME_1.8V

VREG_MSMA_2.6V

C422C420

VREG_MSMC_1.2V

C424

C423 C430

C417

C425

VREG_USIM_3.0V

C427

C426

V_RF_S2_2.1V

1.25+0.1T

C428

C429

V_RF_S3_2.7VVREG_MSME_1.8V

1.25+0.1T

VREG_TCXO_2.8V

C418

C431

C432

VREG_BT_2.6V

C433

10-3

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This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

10-1-2.

Charging Part

Initial Failure

L606,C454

5.0V @

U401 pin5=High?

Check the Battery&TA

Yes

Yes

Yes

Yes

?

No

No

No

if it has some problem, it is to be replaced.)

(

Check the IFC600

Replace U401

Check the U400

END

10-4

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Flow Chart of Troubleshooting

VREG_MSMP_2.6V

R600

EARMIC_P
EARMIC_N

EAR_R

EAR_L

EAR_SW

JACK_INT
BOOT_SW
UART1_TX
UART1_RX

JIG_ON

USB_D_P

USB_D_M

R612

C607 C610

C608

< IF CONNECTOR >

T
N

L604

A
_

O

I
D
A
R

IFC600

1

1

2

2

3

3

4

4

5

5

6

6

7

7

8

8

9

9

10

10

11

11

12

12

13

13

14

14

15

15

16

16

17

17

18

18

19

19

20

20

21

NC

22

NC

23

NC

24

NC

25

NC

26

NC

27

NC

TA_VEXT_5V

ZD600

TA603

USB_VBUS_5V

C611 C618

6
0
6
L

ZD603

TA601

VBATT

C612

6

5

1

IO5

IO1

2

IO4

GND

34

IO2

IO3

R609

6
0
6
D
Z

C609

7
0
6
D
Z

L608

JIG_ON_TEST
UART1_RX_JTAG
UART1_TX_JTAG

L607

L601

L602

5

6

4

1

3

7

8

2

ZD601

R602
R603
R604
R606
R608

R610

ZD602

CHG_DETECT_N

CHG_INDICATE

CHG_EN_N

< CHARGER >

TA_VEXT_5V

C441

C454

ISL9214IRZ-T

CRDL

2

USB

3

_PPR

4

5

_EN

10-5

GND
11

U401

USB_VBUS_5VVBATT

101

BAT

9

ICDL

8

GND

7

USBON_CHG

6

IMIN

R426

R427

R423

R429

USB_VBUS_5V

R424

C440

VREG_MSMP_2.6V

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R425

CHG_CURRENT

R428

Flow Chart of Troubleshooting

10-1-3.

Sim Part

Insert SIM is displayed on the LCD

"

Yes

Check the SIM connector's

SIM

(

Check the voltage at pin#1

pin#2,#3,#4 of SIM

connection to

400)
SIM card

Yes

of SIM

400 >= 3.0V ?

Yes

Is there any signals

400 ?

No

No

No

Resolder or change SIM

Check the U400

Check the U400

400

Yes

Check the SIM Card

END

10-6

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Flow Chart of Troubleshooting

SIM_RST

SIM_CLK

C449

C450

< U-SIM >

VREG_USIM_3.0V

SIM400

11

22

33

7

7

C451

C452

88

2
0
4

R
V

11 11

99

R422

6

6

5

5

4

4

1212

1010

13GG1415GG16

C453

SIM_IO

10-7

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Flow Chart of Troubleshooting

10-1-4.

Microphone Part

Microphone does not work

Is the assembled status of

microphone O.K?

Check the reference voltage on MAIN-MIC path

1.8V @

Is microphone ok?

END

Yes

Yes

Yes

R509

Yes

Yes

No

Replace the Front Assy'

?

No

No

Check the path

around MIC_BIAS circuit

Check UCP300

10-8

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Flow Chart of Troubleshooting

<KEY CONNECTOR>

KEY_LED_3.3V

HDC700

R703
R705
R707
R709
R711

R733

MIC1N_FMIC1P_F
KEYSENSE(0)
KEYSENSE(1)

4
1
7
R
V

C701

R732

C700

R702
R704
R706
R708
R710
R712

0
0
7
R
V

4

3
0
7

R
V

5
0
7

R
V

6

0

0

7

7

R

R
V

V

8

7

0

0

7

7

R

R

V

V

KYPD_MEMO

KYPD_11
KYPD_13 KEYSENSE(2)
KYPD_15 KEYSENSE(3)
KYPD_17 KEYSENSE(4)

KYPD_9

ON_SW

2
0
7
R
V

1

2

2

1

3

4

4

3

5

6

5

6

7

8

8

7

9

10

10
12
14
16
18
20

9

11

12

11

13

14

13

15

16

15

17

18

17

19

20

19

NC

NC

2122

1
0
7
R
V

10-9

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Flow Chart of Troubleshooting

<MAIN-MIC PATH>

MIC_BIAS

R509

MIC1_P

MIC1_N

C518

C521

C525

C520

C524

R510

C517

TA503

R513

C526

C523

R511

MIC1P_F

R512

MIC1N_F

10-10

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Flow Chart of Troubleshooting

10-1-5.

Receiver Part

There is no sound from the Receiver

Is the terminal of Receiver

Is there any signals at R723

Check HDC703

RECEIVER/SPEAKER/MOTOR FPCB.

O.K

?

and R724

#6, #8

END

Yes

Yes

Yes

?

No

Replace the Receiver

No

Check UCP300

Pin and

SPK_N_OUT
SPK_P_OUT

<SPK/RCV/MTR CONNECTOR>

VMOT_3.3V

HDC703

11

R722

3

7

C721

C720

9
1
7

R
V

TA700

1
7

R
V

C718

1

2

D701

10-11

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22
33 4 4
55 6 6
77 8 8

10

99

NC

NC

11

12

R724

10

C722

0
2
7

R
V

8

C719

1
7

R
V

R723R721