Samsung SGH-C5212, GT-C5212 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

C321(VISA) = 2.7V?

Yes

Check the Clock at

OSC300=32KHZ

No

No

Change the Battery

Check the PMU related to VINT

No

Resolder OSC300

Yes

C326(+VDD_IO_LOW_1.8V) &

C359(+VDD_IO_HIGH_2.9V) =

C334(+VDD_GSM_CORE_1.2V)

Check the initial operation

"H"?

Yes

=1.2V?

Yes

Yes

END

No

No

Check the related circuitㅗ

Check the +VDD_GSM_CORE_1.2V

circuit

9-1

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This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

V3.3_BSU_DDV+

V6.2_DDVA+

V9.2_PEELS_DDV+

V8.1_TB_DDV+

V2.1_LLP_DDV+

413C

513C

M_TNI_UMP

nFFOMIS

NOTSR

UMP_NO_FER

2NERWP

TIGID_zHK23

TABV

TTAB_SEM

003C

113C

703C

803C

853C

213C

1

003CSO

2

813R

703PT

704PT

533R

703R

8

6

2

9

5

5

5

5

D

D

C

C

D

D

N

N

1

V

V

ICSO

C

C

L

L

2

OCSO

3

QRI_

4

CN

5

CN

6

FFOMIS_

7

CHTSR_

8

3OPG

9

2OPG

01

1OPG

11

1NERWP

T

21

D

A

2NERWP

D

B

K

V

V

2

2

2

31

3

D

D

SSV

K

75

L

C

C

SSV

C

D

D

4

5

6

1

1

1

203C

7

1

0

5

5

T
A
B
V
C
L

5

8

9

6

5

4

5

4

4

4

4

D

D

D

D

D

T

T

D

D

D

A

A

D

D

V

V

V

V

B

B

V

2

1

3

V

V

P

O
I

D

D

L

D

003MP

T

T

D

A

A

D

B

B

X

X

L

V

V

L

V

D

D

1

2

D

D

C

C

D

D

7

8

1

1

D

1

1

1

D

D

D

D

D

D

V

V

V

C

C

4

5

6

C

D

D

D

D

D

D

0

9

1

3

2

3

2

1

2

5

2

2

0

1

2

3

4

4

4

4

4

4

D

D

C

D

E

D

D

C

V

D

V

V
C

M
I

H

S

A
D
S

4
2

93

V

V

A

SSV

1

2

S

F

F

V

R

R

83

GHCV

73

NIVBSU

RUCGHC

2CER

1CER

ESNESTABV

ASIV

DNGFER

CFER

SAIBCIM

YEKNO

N

N

E

E

DAPV

L

M

M

C

I

I

S

S

S

4

5

6

5

2

2

613R

63

53

43

33

23

13

323C

03

92

82

72

V8.1_WOL_OI_DDV+

953C

303C

603C

903C

013C

003TAB

1

313C

2

753C

123C

NYEKNO

V+

V9.2_HGIH_OI_DD

V3.3_OI_DDV+

M_V0.3_CCVMIS

V8.2_XT_XR_DDV+

V8.2_NYS_CCV+

V5_EGRAHC_TXE_V

SUBV+

713C

TABV

NO_XUA

223C

V51.2_SAIB_CIM

022C

LCS

ADS

V8.1_WOL_OI_DDV+

C816

R805

C814

C812

C
8
1
3

C

C

C

8

8

8

0

0

0

6

9

4

623C

L800

0

C
8
0
2

203L

TABV

233C

103L

433C

O

C302

TA801

S
C
3
0

C

0

3
1
2

C314

C315

R
3
1
8

8

0

TP307

U

TP407

R
8
0
3

C817

C811

C810

C
8
0

TA800

1

C805

C803

C
3
2
6

C349

0

4

C
3
5
8

C332

C
3

3

U

4
8

C

C

3

3

0

0

8

7

PM300

L302

523C

723C

823C

C
3
5
4

C
3
1
1

L301

C
3
5
9

U
3
0
6

C334

C355

C353

C

C

3

3

C

0

0

3

6

3

0
9

C310

C317

R316

C321

C323

C220

C
3
2

C322

8

C325

C327

V3.3_YEK_DDV+

V6.2_AFH_DDVA+

V0.3_BIV_DDV

V

2.1_EROC_MSG_DDV+

9-2

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Flow Chart of Troubleshooting

9-2.

Initial

Initial Failure

Yes

UCP200 pin C11(RSTON)="H"?

Yes

CP200pin F2(RSTEXTn)="H"?

U

Yes

Check the16bit data signal

memory CE

&

No

No

Check the circuit related to reset

hangeUCP

C

200

END

Yes

9-3

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This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-4

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 the38Pin and39pin

Yes

Check DC jack

Yes

of PM300

Yes

No

Check the PM300

No

Replace the PM300

Check C357

Yes

END

No

Replace C357

9-5

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

V3.3_BSU_DDV+

V6.2_DDVA+

TABV

TTAB_SEM

003C

113C

703C

533R

703R

203C

953C

303C

603C

V9.2_HGIH_OI_DD

V+

V3.3_OI_DDV+

M_V0.3_CCVMIS

V9.2_PEELS_DDV+

V8.1_TB_DDV+

V2.1_LLP_DDV+

413C

513C

M_TNI_UMP

nFFOMIS

NOTSR

UMP_NO_FER

2NERWP

TIGID_zHK23

V8.1_WOL_OI_DDV+

803C

853C

213C

1

003CSO

2

813R

703PT

9

8

1

0

2

6

5

5

5

5

5

5

C

C

D

D

D

T

N

N

D

A

D

D

1

2

3

4

5

6

7

8

9

01

11

704PT

21

31
75

V

B

V

V

ICSO

1

V

C

C

D

L

L

C
L

OCSO

QRI_

CN

CN

FFOMIS_

CHTSR_

3OPG

2OPG

1OPG

1NERWP

T

2NERWP

D

A
B

D

X

X

K

V

L

L

V

2

2

2

1

2

3

SSV

D

D

D

D

K

C

L

C

C

C

SSV

D

C

D

D

D

5

7

6

4

8

1

1

1

1

1

203L

623C

TABV

233C

4

3

2

1

5

7

6

8

5

9

4

4

4

4

5

4

T

T

D

D

D

A

A

D

D

D

B

B

V

V

V

2

3

V

V

P

D

L

D

003MP

T

T

D

A

A

B

D

B

V

V

V

D

D

1

1

1

D

D

D

D

D

V

V

C

C

4

C

5

D

D

D

D

D

3

0

1

9

2

5

2

2

1

2

103L

433C

0

4

4

4

4

4

D

C

D

D

D

E
V

D

D

C

D

D

93

A

V

V

V

V

V

SSV

2

1

S

C

O

I

IM

F

F

V

H

S

R

R

83

GHCV

73

NIVBSU

613R

63

RUCGHC

53

2CER

43

1CER

33

ESNESTABV

23

ASIV

13

DNGFER

323C

03

CFER

92

SAIBCIM

82

YEKNO

D

N

N
D
V
6
D

3

4

2

2

72

E

E

DAPV

L

A

M

IM

C

I

D

S

S

S

S

4

5

6

5

2

2

523C

723C

823C

V8.1_WOL_OI_DDV+

903C

013C

003TAB

1

313C

2

753C

123C

LCS

ADS

NO_XUA

NYEKNO

022C

V3.3_YEK_DDV+

V6.2_AFH_DDVA+

V0.3_BIV_DDV

2.1_EROC_MSG_DDV+

V

V8.2_XT_XR_DDV+

V8.2_NYS_CCV+

V5_EGRAHC_TXE_V

SUBV+

713C

TABV

223C

V51.2_SAIB_CIM

U

C349

C
3
1
2

C
3
2
6

C332

3

0

4

U

C

C

3

3

0

5

8

8

PM300

C
3
4
8

L302

C

C355

3

3

0

5

6

4

C353

C

C

C

C

C

3

3

3

3

3

C

0

0

5

0

1

3

9

7

1

3

6

0
9

C310

C317

R316

C321

C323

C220

C
3

C334

C322

C327

2
8

C325

L301

R805

C814

C812

C816

C
8
1
3

C
8
0
9

O
S

C302

C
3
0
0

TA801

L800

C

C

8

8

0

0

6

4

C314

C315

R
3
1
8

TP307

8

0

0

U

TP407

R
8
0
3

C817

C811

C
8
0
2

C810

C
8

C805

0

TA800

1

C803

9-6

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Flow Chart of Troubleshooting

9-4.

Master

1)

Sim Part

Phone can't access SIM Card(slot1)

pin3 of SIM200 inafew second

Yes

SIM200 pin

After Power ON,

Check SIM_CLK_1Signal on

1,5 = "

Yes

H"?

No

Resolder or replace PM300

No

Check the Clock

After SIM card insert,

SIM200 pin

2="

Check the SIM Card

Yes

H(SIM_RST

Yes

Yes

END

_1)"?

No

Replace PBA

9-7

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This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

1_OI_MIS

1_V0.3_CCV_MIS

102R

002MIS

1

1_TSR_MIS

1_KLC_MIS

912C

2
3

7

7
88

9

9

812C

6
5

4

2121

1111

0101

31GG4151GG61

9-8

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Slave

2)

Phone can't access SIM Card(slot2)

Yes

SIM800 pin

1,5 = "

Yes

H"?

Flow Chart of Troubleshooting

No

Resolder or replace U800

After Power ON,

Check SIM_CLK_2Signal on

pin3 of SIM800 inafew second

Yes

After SIM card insert,

SIM900 pin

Check the SIM Card

2="

END

H(SIM_RST

Yes

Yes

_2)"?

No

Check the Clock

No

Replace PBA

9-9

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

2_OI_MIS

2_V0.3_CCV_MIS

208R

008MIS

2_TSR_MIS

2_KLC_MIS

808C

IS

2M

1
2
3

7

99

708C

6
5
4

7
88

G

2121

0101

G

1111

3141GG5161

]EVALS[

9-10

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-5.

Microphone Part

Microphone does not work

Check the connection

from MIC to Analog s/w

Check the circuit

from UCP200 to MIC

Yes

Yes

Yes

No

No

Resolder Analog s/w

U400, U405)

(

Resolder the C402, C406, R400, C404

Check the circuit

from UCP700 to MIC

Yes

Check the MIC

Yes

END

No

No

Resolder the C403, C407, R402, C405

Replace MIC

Main Key PBA, SLC501)

(

9-11

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

S_N_LES_CIM

7

6

2

D

S

N

2

G

S_P_LES_CIM

LES_HTAP_OIDUA

P_NI_CIM

5

4

3

8

2LES

2S1

004U

9

1LES

2D

01

1S2

1D

C

1

C

S

V

1

1

2

M
_
P
_
L
E
S
_
C
I

M

V51.2_SAIB_CIM

304R

N_NI_CIM

M_N_LES_CIM

414C

S_N_LES_CIMRAE

6

7

2

D

S

N

2

G

S_P_LES_CIMRAE

LES_HTAP_OIDUA

P_CIMRAE

5

4

3

8

2LES

2S1

504U

9

2D

1LES

1D

01

1S2

C

1

C

S

V

1

1

2

M
_
P
_
L
E
S
_
C
I

M
R
A
E

V51.2_SAIB_CIM

104R

N_CIMRAE

M_N_LES_CIMRAE

314C

LES CIMLES CIMRAE

104C

S_P_LES_CIM

S_N_LES_CIM

V51.2_SAIB_CIM

ES_CIMRAE S_P_CIMXUA

S_P_L

S_N_LES_CIMRAE S_N_CIMXUA

304C

204R

4C

70

604R

704R

014R

114R

814C

224C

S_P_CIM

504C

S_N_CIM

904C

714C

314R

124C

424C

EVALS

004C

M_P_LES_CI

M

M_N_LES_CIM

104AT

M_P_LES_CIMRAE M_P_CIMXUA

M_N_LES_CIMRAE M_N_CIMXUA

204C

004R

604C

404R

504R

804R

904R

614C

024C

214R

M_P_CIM

404C

M_N_CIM

804C

514C

914C

324C

RETSAM

ENOHPORCIM

9-12

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

V3.3_YEK_DDV+

P_CIM

R214

R215

L
1

0
6

C
1
0
2

605F

1

1NI

)0(WOR_YEK

2

2NI

425C

)1(WOR_YEK

3

3NI

)2(WOR_YEK

4

4NI

)3(WOR_YEK

5

1TUO

6

2TUO

7

3TUO

8

4TUO

DNG

DNG

01

9

1

1
334
556

7

7

99

11

11

31

3141

5161

51

7181

71

91

91
1212

CNCN

22

32

105CLS

2

2

4
6
8

8

01

01

21

21

41

61
81

02

02

805F

1

1NI

2

2NI

3

3NI

4

4NI

5

1TUO

6

2TUO

7

3TUO

8

4TUO

D

D

N

N

G

G

901

F_)0(LOC_YEK

705F

1

1NI

2

2NI

3

3NI

4

4NI

5

1TUO

6

2TUO

7

3TUO

8

4TUO

D

D

N

N

G

G

9

01

)4(LOC_Y

EK

NYEKNO

)4(WOR_YEK

)0(LOC_YEKF_)0(LOC_YEK

)1(LOC_YEK

)2(LOC_YEK

)3(LOC_YEK

N_CIM

925C

ROTCENNOC_YEK

C204

C
4
2
0

3
0
1
P
T

R400

R
4
0
9

T
P
1
0
5

C408

T
A

4
0
1

R
4
0
5

C400

R404

R403

C414

C
4
0
2

2

0

1

U

0

0

4

U

C
4
0
6

C123

4
0
1
P
T

R106

C116

T
P
1
0
7

Z
D
1
0
0

U100

R412

C415

5
0

C
4
1
6

C423

4
U

R408

C413

C

R

1

1
0

0
8

1

C
1
0
0

R401

C
1
0
1

C
1
0
9

R102

C

C
1
0
7

R100

R104

C

1

1

0

2

5

5

C119

C
1
1

T
S
R

7

_
T
B
_
P
T

C127

L108

9-13

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

3
0
1

U

R107

C126

C
1
1
8

L
1
0
7