Samsung SGH-L310 Troubleshooting

9. Flow Chart of Troubleshooting

9-1. Power On

' Power On ' does not work

Yes

Check the Battery Voltage

is more than 3.4V

Yes

C323(VISA) = 2.7V?

Yes

Check the Clock at

OSC300=32KHZ

Yes

C303(+VDD_IO_LOW) &

C304(+VDD_IO_HIGH) = "H"?

Yes

No

Change the Battery

No

Check the PMU related to VINT

No

Resolder OSC300

No

Check the related circuit

C327(+VDD_GSM_CORE)

=1.8V?

Yes

Check for the clock at C123

=26MHz

Yes

Check the initial operation

Yes

END

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

No

9-1

No

Check the +VDD_GSM_CORE circuit

Check the clock generation circuit

(related to U100)

Flow Chart of Troubleshooting

TTAB_SEM

V9.2_HGIH_OI_DDV+

V6.2_DDVA+

V9.2_PEELS_DDV+

V0.3_DS_DDV+

713C

023C

UMP_TI

nFFOMIS

NOTSR

NO_FER

TIGID

_zHK23

003PT

103PT

203PT

203C

403C

703C

803C

903C

313C

003CSO

313R

403R

503R

V2.1_LLP_DDV+

613C

9

8

1

2

6

5

5

5

5

5

C

C

T

D

D

A

N

N

D

D

1

2

3

4

5

6

7

8

9

01

11

21

31
75

B

V

V

ICSO

V

C

C

1

L

L

D

OCSO

QRI

CHKCMIS

CHSRMIS

FFOMIS/CHOIMIS

CHTSR

3OPG

2OPG

1OPG

1NERWP

2NERWP

K
2
3

SSV

N

P

K
L

C

C

SSV

S

C

S

5

6

4

7

1

1

1

1

TABV

003AT

003DZ

803R

0

5

1

8

6

7

9

5

D
D
V
1
D

D
D
V
P
C

5

5

4

4

4

4

4

T

T

D

D

D

D

A

A

D

D

D

D

B

B

V

V

V

V

2

3

V

V

P

O

I

D

D

L

003MAP

T

T

D

A

A

B

D

B

X

V

V

V

L

D

D

D

D

A

L

C

C

C

C

D

C

S

S

D

D

D

D

1

2

0

9

3

8

2

2

2

1

5

1

0

2

3

4

4

4

4

4

4

D

E

D

D

C

V

D

D

D

C

93

A

V

V

V

V

SSV

2

1

S

C

M

I

F

F

V

H

S

R

R

83

GHCV

73

NIVBSU

RUCGHC

2CER

1CER

ESNESTABV

ASIV

DNGFER

CFER

SAIBCIM

YEKNO

D

D

D

C

C

C

S

K

N

N

O

E

E

R

C

I

CTN

M

M

M

M

M

I

I

I

I

I

S

S

S

S

S

4

6

5

3

4

5

2

2

2

2

213R

63

53

43

33

323C

23

13

423C

03

92

82

72

V8.1_WOL_OI_DDV+

303C

503C

603C

013C

413C

1

2

413R

513C

003TAB

913C

813C

NI_KCAJ

NO_XUA

513R

523C

V8.1_WOL_OI_DDV+

A+

V6.2_AFH_DDV

V0.3_CCV_MIS+

V8.2_XT_XR_DDV+

V8.2_NYS_CCV+

EGRAHC_TXE_V

SUBV+

TABV

223C

V1.2_SAIB_CIM

NYEKNO

C329

S
C
1
0
7

ZD300

BH101

T
A
3

C314

0
0

C310

R407 R408
R409

C419

C
3
0
5

TABV

623C

C
3
0
6

C303
C304

C308
C307
C309
C313

613R

003L

723C

C
3
1
9

R312

C
3
1
8

C
3
2
2

C
3
2
3

C
3
2
4

PAM300

C
3

U
4
0
1

C317

1
6

OSC300

C320

TP300

R
3
1
4

R313

R
3
1
5

LCS

ADS

C
3
2
5

TP301TP302

U
2
0
1

V2.1_EROC_MSG_DDV+

R
3
1
6

U202

C326
C327

L
3
0
0

C215
C214

C
2

TP_WAI T

TP_CS0 n

SC109

9-2

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This Document can not be used without Samsung's authorization

9-2. Initial

Flow Chart of Troubleshooting

Initial Failure

UCP200 RSTON

(TP_RSTON) is "High"?

Yes

UCP200 RSTEXTn

(TP_EXT) is "High"?

Yes

Check the 16bit data signal

&memoryCE

Yes

END

No

Check the circuit related to reset

No

Check UCP200 or change the PBA

9-3

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

002PCU

6U

NI

6V

PI

5U

NQ

5V

PQ

01D

DD

01E

UD

01B

TSTIKC

11D

LCD

9E

CSF

3L

LES

J

01A

I23KLC

61P

1KLCFR

8V

KLCM

11B

LESKLCM

61A

KLCMIS

61F

OIMIS

41F

RWPMIS

2J

KCTR

61L

LCS

51J

2LCS

41J

ADS

61K

2ADS

2H

KCT

1E

IDT

3K

ODT

3J

SMT

01P

1DXT

51V

FERV

5M

N_VDA

4L

N_1EB

4P

N_3EB

5K

N_0SC

4H

N_1SC

5N

N_3SC

4R

N_W_R_N_EO

21D

N_1SCIDP

21B

N_2SCIDP

21A

N_DRIDP

11E

N_RWIDP

1F

N_TESER

11C

N_

BBTSR

21C

N_TXETSR

41E

N_TSRMIS

3H

N_TSRT

5L

E_N_EW

9U

KCOLNU

61V

SAIBCIM

81L

NCIM

71L

PCIM

81E

1RAE

F

81

2RAE

102_PT

512R

912C

N_CIM
P_CIM

1RAE
2RAE

CS_SAIB_PT

NI_XT_XR
PI_XT_XR

NQ_XT_XR
PQ_XT_XR

DD

UD

LCD

CSF

TIGID_zHK23

KLC_FR

KLC_FER_D

KLCMIS

OIMIS

KCTR

KCT
IDT
ODT
SMT

1DXT

n1EB

B

NE_T

nEO

NOTSR

nTXETSR

TSRMIS

nE

W

022C

nTXETSR

V8.1_WOL_OI_DDV+

412R

LES_J

712R

nVDA

HSALF_n0SC

EGAMI_n3SC

V8.1_WOL_OI_DDV+

322R

122C

V9.2_HGIH_OI_DDV+

812R

LCS

ADS

MAR_n1SC

nTSRT

TP_GND

TP_TDI TP_TDO

TP_TRST

TP_TCK

TP_20 0

TP_RTCK

TP_TMS

TP_RSTON

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

R320

R
3
1
6

U202

C326
C327

L
3
0
0

C215
C214

TP_WAIT

TP_CS0n

C211

9-4

R
3
1
9

U400

R200

C202

TP_BE200

TP_WE

R
2
0
5

C

R

R

2

2

2

2

0

1

0

3

3

C
2
2
1

C410C412

TP_EXT

U
M
E
2
0
0

R212
R214
R223

R404

TP_BURST

C
2
0
5

C
2
0
7

TP_HA400

R323
R318
C330

C210
C208C209

R308

R210

TP200

R500

ZD502

C315

ZD301

C201

TP_OE

L
5
0
3

L
5
0
4

9-3. Charging Part

Abnormal charging part

Flow Chart of Troubleshooting

Yes

Check the PAM300 pin 38

>4.9V

Yes

PAM300 pin 34(AUX_ON)

= "Low"?

Yes

Check the PAM300 pin 36

≒1.2V

Yes

END

No

No

No

Check the circuit related to

V_EXT_CHARGE

Check the circuit related to

AUX_ON signal

Resolder or replace PAM300

9-5

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

TTAB_SEM

V9.2_HGIH_OI_DDV+

V6.2_DDVA+

V9.2_PEELS_DDV+

V0.3_DS_DDV+

713C

023C

UMP_TI

nFFOMIS

NOTSR

NO_FER

_zHK23

TIGID

003PT

103PT

203PT

203C

403C

803C

703C

903C

313C

003CSO

313R

403R

503R

V2.1_LLP_DDV+

613C

6

9

8

1

2

5

5

5

5

5

C

C

T

D

D

A

N

N

D

D

1

2

3

4

5

6

7

8

9

01

11

21

31
75

B

V

V

ICSO

V

C

C

1

L

L

D

OCSO

QRI

CHKCMIS

CHSRMIS

FFOMIS/CHOIMIS

CHTSR

3OPG

2OPG

1OPG

1NERWP

2NERWP

K
2
3

SSV

N

P

K
L

C

C

SSV

C

S

S

7

4

5

6

1

1

1

1

TABV

003AT

003DZ

803R

5

0

7

6

9

8

5

5

5

4

4

4

4

4

T

T

D
D
V
1
D

D
D
V
P
C

8
1

D

D

D

D

A

A

D

D

D

D

B

B

V

V

V

V

2

3

V

V

P

O

I

D

L

D

003MAP

T

T

D

A

A

B

B

D

X

V

V

L

V

D

D

D

D

A

L

C

C

C

C

D

C

D

D

D

S

D

S

3

9

1

0

2

5

1

2

2

2

0

1

2

4

3

4

4

4

4

4

C

E

D

D

D

V

D

D

C

D
V
C
H

D

D

C

C

K

O
I

C

M

M

I

I

S

S

3

4

2

2

93

A

V

V

V

SSV

1

2

S

M
I

F

F

V

S

R

R

83

GHCV

73

NIVBSU

63

RUCGHC

53

2CER

43

1CER

33

ESNESTABV

23

ASIV

13

DNGFER

03

CFER

92

SAIBCIM

82

YEKNO

D
C
S

N

N

72

E

E

R

CTN

M

M

M

I

I

I

S

S

S

4

6

5

5

2

2

213R

323C

423C

V8.1_WOL_OI_DDV+

303C

503C

603C

013C

413C

1

2

413R

513C

003TAB

913C

813C

NI_KCAJ

NO_XUA

513R

523C

V8.1_WOL_OI_DDV+

V6.2_AFH_DDV

A+

V0.3_CCV_MIS+

V8.2_XT_XR_DDV+

V8.2_NYS_CCV+

EGRAHC_TXE_V

SUBV+

TABV

223C

V1.2_SAIB_CIM

NYEKNO

C329

S
C
1
0
7

ZD300

BH101

T
A
3
0
0

R407 R408
R409

C419

C

C

3

3

0

0

5

6

C314
C310

C303
C304

C308
C307
C309
C313

613R

TABV

003L

623C

723C

C
3
1
9

R312

C
3
1
8

C
3
2
2

C
3
2
3

C
3
2
4

PAM300

C
3

U
4
0
1

C317

1
6

OSC300

C320

TP300

R
3
1
4

R313

R
3
1
5

LCS

ADS

C
3
2
5

C326
C327

TP301TP302

U
2
0
1

V2.1_EROC_MSG_DDV+

R
3
1
6

L
3
0
0

U202

C215
C214

C
2

TP_WAI T

TP_CS0 n

SC109

9-6

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

9-4. Sim Part

Phone can't access SIM Card

Yes

SIM300 pin 1 is "High"?

Yes

Flow Chart of Troubleshooting

No

Check the circuit related to SIM300

SIM300 pin15 (SIMCLK) is

working?

Yes

After SIM card inserted,

SIM300 pin 13(SIMRST) is

"High"?

Yes

Check the SIM Card

Yes

END

No

Check the UCP200 or Change the PBA

No

Check the UCP200 or Change the PBA

9-7

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

DMC_DS

KLC_DS

ATAD_DS

003RT

1

2

TCETED_DS V9.2_HGIH_OI_DDV+

3

6

1S

1D

5

1G

2G

4

2D

2S

323R

423R

F602 F603

TSRMIS

KLCMIS
OIMIS

F604 F60 5

H
E
A
6
0
0

C
6
0

9

F606

C607
C608

T
/
S
I
M
3
0
0

V0.3_CCV_MIS+

713R

813R

V0.3_DS_DDV+

913R

123R

023R

223R

003MIS/T

1

1

2

2

3

3

4

4

5

5

6

6

7

7

8

8

9

9

01

01

11

11

21

21

31

31

41

41

51

51

61

61

71

CN

81

CN

91

4

5

6

C

C

6

6

0

1

3

4
C

C

6

6

0

1

2

2

F601

103DZ

1

2

3

C

C

6

6

0

1

4

3

S
C

C
6
0
6
C
6
1
5

1

C

0

6
0

0

5

C503
R510
R508

C127
C142
R110

C
1
4
3

ZD504

C
1
4
4

133C

C
6
1
0
C
6
1
1

823C

923C

033C

CN

02

CN

12

CN

22

CN

32

CN

42

CN

5

2

CN

62

CN

72

CN

82

CN

OSC101

U
3

R322

0
1

R321

C331

R307

U400

R
3
1
7

C328

C329

C

C

3

3

0

0

6

5

C

C

R312

3

3
1
9

C

C
3

3

2

1

2

2

8

3

C
3

R
3

2

C

R

3

3

1

2

1

5

5

4

4

C314

9-8

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

R
3
1
6

R320

U202

R
3
1
9

C202

R200

TP_BE200

TP_WE

9-5. Microphone Part

Microphone does not work

Check the MIC connection

Flow Chart of Troubleshooting

Yes

No

Resolder MIC

Yes

Check the circuit

from UCP200 to MIC

Yes

Check F500 PIN 8(JACK_IN)

is ' High' ?

Yes

MIC is working?

Yes

END

No

No

No

Resolder the C402, C405, R400, R402

Check the JACK_IN signal

Replace the MIC

9-9

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

V1.2_SAIB_CIM

004AT

004C

P_CIMRAE

304C

N_CIMRAE

604C

004L

104L

GIJ_1DXT

GIJ_1DXR

GIJ_NO_XUA

5

1TUO

6

2TUO

7

3TUO

8

4TUO

005F

9

1NI

2NI

3NI

4NI

DNGDNG

01

004R

204C

504C104R

204R

304R

V9.2_HGIH_OI_DDV+

205R

1

2

3

4

1DXT

1

DXR

NO_XUA

NI_KCAJ

104C

PCIMRAE

404C

NCIMRAE

704C

C
2
0
4
R
2
0
7
R
2
0
8
C
2
1
2
C
2
0
6
C
2
1

TP_BIAS_S C

9
C

2
1
3
C
4

C404

0
1

R401
C402
R400

T
A
4
0

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

C405
R402
R403

C
4
0
7

R405 R406

U
C
P
2
0
0

C

C

C

4

4

0

0

9

8

U
4
0

C

4

4

1

1

7

8

C
4
1
4

3

9-10

C
4
1
6

C
4
1
5

R105

C216

R218
R217

L113

C203

R215

L

L

4

4

0

0

1

0
C

C

TP_HA200

4

4

0

0

0

6

C403

TP_20 1

ZD50 0

L

R

5

5

0

0

0

1

C

C

5

5

0

0

2

1

TA50 0

ZD503

L11 5

L
5
0
2

C
5
0
0

C
1
4
1