Samsung M3710L Service Manual

GSM TELEPHONE

GT-M3710L

efrcom

GSM TELEPHONE

CONTENTS

Safety Precautions

1.
Specification

2.
Product Function

3.
Array course control

4.
Exploded View and Parts List

5.
Main Electrical Parts List

6.
Block Diagrams

7.
PCB Diagrams

8.
Flow Chart of Troubleshooting

9.
Reference data

10.
Disassembly and Assembly

11.

instructions

GSPN(Global Service Partner Network)

Country Web Site

North America service.samsungportal.com
Latin America latin.samsungportal.com
CIS cis.samsungportal.com
Europe europe.samsungportal.com
China china.samsungportal.com
Asia asia.samsungportal.com
Mideast

This Service Manual isaproperty of Samsung Electronics Co.,Ltd.
Any unauthorized use of Manual can be punished under applicable
International and/or domestic law.

Africa mea.samsungportal.com

&

ⓒ

Samsung Electronics Co.,Ltd.

2010. 0

2.

Rev.1.0

MAIN Electrical Parts List

6.

SEC CODE Design LOC Discription

0403-001688
0404-001504
0404-001504
0406-001241
0406-001293
0406-001329
0801-003026
0801-003130
1001-001447
1001-001581
1001-001598
1001-001607
1108-000296
1201-002675
1201-002933
1203-006077
1203-006176
1205-003656
1205-003839
1205-003868
1404-001221
2007-000137
2007-000138
2007-000138
2007-000140
2007-000143
2007-000143
2007-000144
2007-000144
2007-000148
2007-000152
2007-000156
2007-000157
2007-000162
2007-000162
2007-000162
2007-000165
2007-001270
2007-001333
2007-002796
2007-003010

ZD300,ZD403 DIODE

ZD100,ZD101,ZD102 DIODE

ZD409,ZD411 DIODE

ZD503,ZD504,ZD505 DIODE

R109,R219,R303,R318 R-CHIP

R200,R203,R204,R216 R-CHIP
R217,R417,R421,R422 R-CHIP
R207,R208,R209,R210 R-CHIP

R306,R307,R309,R310 R-CHIP
R102,R103,R110,R112 R-CHIP
R113,R114,R115,R215 R-CHIP

ZD103 DIODE

ZD407 DIODE

U310 IC
U202 IC

U301,U404 IC

U102 IC
U402 IC
U103 IC

UME200 MEMORY

U311 IC

PAM100 IC

U500 IC
U304 IC

UCP200 IC

U106 IC
U101 IC

VR200 THERMISTOR

R501 R-CHIP

R414 R-CHIP
R406 R-CHIP

R308 R-CHIP

R105,R311 R-CHIP

R504 R-CHIP

R300,R403 R-CHIP

R400,R408 R-CHIP

R305 R-CHIP

R404,R407 R-CHIP

R413 R-CHIP
R500 R-CHIP
R418 R-CHIP

6-1

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Main Electrical Parts List

SEC CODE Design LOC Discription

2007-003014
2007-003015
2007-003018
2007-007014
2007-007132
2007-007312
2007-007315
2007-007981
2007-008401
2203-000233
2203-000254
2203-000254
2203-000278
2203-000278
2203-000311
2203-000359
2203-000386
2203-000386
2203-000425
2203-000438
2203-000550
2203-000679
2203-000696
2203-000812
2203-000812
2203-000854
2203-000995
2203-000995
2203-001101
2203-001153
2203-002709
2203-003054
2203-005056
2203-005057
2203-005234
2203-005288
2203-005450
2203-005968
2203-006048
2203-006048
2203-006048

R206 R-CHIP
R401,R402 R-CHIP
R106,R107 R-CHIP
R312,R313 R-CHIP
R104,R116 R-CHIP

R214 R-CHIP

R218 R-CHIP
R201,R202 R-CHIP

R205 R-CHIP
C232,C343 C-CERAMIC,CHIP

C103,C131,C144,C221 C-CERAMIC,CHIP

C231,C352 C-CERAMIC,CHIP

C116,C125,C126,C130 C-CERAMIC,CHIP
C134,C136,C137,C143 C-CERAMIC,CHIP

C409,C420 C-CERAMIC,CHIP

ZD400,ZD410 C-CERAMIC,CHIP

C305,C306,C308,C357 C-CERAMIC,CHIP

C501,ZD401,ZD402 C-CERAMIC,CHIP

C218 C-CERAMIC,CHIP

C234 C-CERAMIC,CHIP
C302,C304 C-CERAMIC,CHIP
C229,C423 C-CERAMIC,CHIP

C147 C-CERAMIC,CHIP

C118,C119,C355,C400 C-CERAMIC,CHIP

L107,L111 C-CERAMIC,CHIP

C226,C233 C-CERAMIC,CHIP

C204,C215,C230,C401 C-CERAMIC,CHIP

C402 C-CERAMIC,CHIP

C222 C-CERAMIC,CHIP
C122,C503 C-CERAMIC,CHIP

C322 C-CERAMIC,CHIP
C405,C406 C-CERAMIC,CHIP

C123 C-CERAMIC,CHIP

C429 C-CERAMIC,CHIP

C117 C-CERAMIC,CHIP

C152 C-CERAMIC,CHIP

C145 C-CERAMIC,CHIP
C353,C354 C-CERAMIC,CHIP

C104,C105,C106,C121 C-CERAMIC,CHIP
C132,C133,C140,C200 C-CERAMIC,CHIP
C207,C209,C210,C211 C-CERAMIC,CHIP

6-2

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

SEC CODE Design LOC Discription

2203-006048
2203-006048
2203-006048
2203-006048

2203-005481
2203-006190
2203-006208
2203-006260
2203-006260
2203-006348
2203-006375
2203-006399
2203-006399
2203-006399
2203-006399
2203-006399
2203-006399
2203-006399
2203-006562
2203-006562
2203-006681
2203-006681
2203-006824
2203-006825
2203-006838
2203-006841
2203-006872
2203-006872
2203-006872
2203-006872
2203-006890
2203-007270
2203-007317
2203-007317
2404-001377
2404-001430
2409-001172
2703-001178
2703-001726
2703-001729
2703-001734

C212,C216,C217,C300 C-CERAMIC,CHIP
C319,C321,C358,C407 C-CERAMIC,CHIP
C408,C418,C421,C424 C-CERAMIC,CHIP

C500 C-CERAMIC,CHIP

C505 C-CERAMIC,CHIP
C109,C110 C-CERAMIC,CHIP

C237 C-CERAMIC,CHIP

C124,C235,C236,C310 C-CERAMIC,CHIP

C311 C-CERAMIC,CHIP

C349 C-CERAMIC,CHIP
C504,C506 C-CERAMIC,CHIP

C127,C150,C206,C208 C-CERAMIC,CHIP
C225,C227,C303,C320 C-CERAMIC,CHIP
C325,C328,C329,C330 C-CERAMIC,CHIP
C331,C332,C336,C337 C-CERAMIC,CHIP
C340,C341,C342,C345 C-CERAMIC,CHIP
C356,C513,C515,C521 C-CERAMIC,CHIP

C522 C-CERAMIC,CHIP

C141,C142,C301,C323 C-CERAMIC,CHIP

C333,C509,C514 C-CERAMIC,CHIP

C213,C214,C224,C228 C-CERAMIC,CHIP

C422 C-CERAMIC,CHIP

C101 C-CERAMIC,CHIP

C335 C-CERAMIC,CHIP

C100 C-CERAMIC,CHIP
C201,C318 C-CERAMIC,CHIP

C128,C129,C149,C202 C-CERAMIC,CHIP
C203,C205,C219,C220 C-CERAMIC,CHIP
C223,C326,C327,C334 C-CERAMIC,CHIP
C346,C347,C348,C428 C-CERAMIC,CHIP

C313,C314 C-CERAMIC,CHIP
C120,C344 C-CERAMIC,CHIP

C102,C107,C108,C114 C-CERAMIC,CHIP

C115 C-CERAMIC,CHIP

TA500 C-TA,CHIP
TA305 C-TA,CHIP

BAT304 CAPACITOR
L112,L113,L117 INDUCTOR-SMD
L120,L121,L201 INDUCTOR-SMD

C151 INDUCTOR-SMD

L115,L116 INDUCTOR-SMD

Main Electrical Parts List

6-3

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Main Electrical Parts List

SEC CODE Design LOC Discription

2703-002203
2703-002205

2703-002176
2703-002208
2703-002208
2703-002231
2703-002268
2703-002281
2703-002313
2703-002365
2703-003260
2703-003476
2703-003698
2801-004373
2801-004815
2901-001435
2904-001935
2904-001936
2909-001299
3003-001138
3301-001438
3301-001534
3301-001659
3301-001885
3301-001885
3705-001503
3708-002015
3709-001488
3709-001580
3711-006105
3711-006808
3711-006943
3722-002840

3722-002983
GH70-03276A SC100
GH71-08426A ANT100,ANT101,ANT102 NPR-CONTACT

L104,L105 INDUCTOR-SMD

C111 INDUCTOR-SMD

L102 INDUCTOR-SMD

L103,L106,L109 INDUCTOR-SMD

L114 INDUCTOR-SMD
L405 INDUCTOR-SMD

L119 INDUCTOR-SMD
L118,L122 INDUCTOR-SMD
L400,L401 INDUCTOR-SMD

C139,L108,L110 INDUCTOR-SMD

L300,L301 INDUCTOR-SMD

L406,L407,L408 INDUCTOR-SMD

L127 INDUCTOR-SMD

OSC300 CRYSTAL-UNIT

OSC100,OSC200 CRYSTAL-UNIT

F500,F501,F502 FILTER-EMI

F101 FILTER-SAW
F100 FILTER-SAW
F102 FILTER-DUPLEXER

MIC400,MIC401 MIC-CONDENSOR

L126 CORE-FERRITE
L100,L101 CORE-FERRITE

L123,L124,L200,L202 CORE-FERRITE
L402,L403,L404,L409 CORE-FERRITE
L410,L500,L503,L504 CORE-FERRITE

RFS100 CONNECTOR-COAXIAL
SLC400 CONNECTOR-FPC/FFC/PIC

SIM300 CONNECTOR-CARD

CD300 CONNECTOR-CARD
HEA501 CONNECTOR-HEADER
BTC300 CONNECTOR-HEADER
HEA504 CONNECTOR-HEADER

IFC400 JACK-PHONE

HEA400 JACK-PHONE

ONBOARD-CLIP

;

Please consult the GSPN website(Samsung Portal) for the most recent version of the product's part list.

6-4

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

9. Flow Chart of Troubleshooting

9-1.

Power On

Power On'does not work

'

Check the current consumption

more than

C301(VBAT

Check the MEM_1.8V of U304

is more than

Yes

mA

100

Yes

Check the VBAT

more than

)=3.0

1.8V

3.3V

Yes

Yes

1.8V

V?

No

Download again

No

Check the Battery

No

Check the related circuit

①

No

Check the U304 and L301

Yes

Check U304

V_DIG

3.0
V_ANLG

3.0

1.2

Check CLK32K

Freq

Check the initial operation

V_ANLG

=32

END

=3.0V

=3.0V

=1.2V

Yes

KHz

Yes

Yes

②

No

Check the U304 and C328, C329, C347

③

No

Check the clock32KHz_DIGIT

9-1

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

SSUUBBVV

TTAABBVV

775533CC

550033CC

PP__PPMMAA

NN__PPMMAA

TTUUOO__LL
TTUUOO__RR

GGLLNNAA__VV00..33
VV88..22__AA__MMAACC

OOII__MMAACC__VV88..22
VV88..11__EERROOCC__MMAACC
BBIIVV__VV22..33
HHCCUUOOTT__VV00..33

GGLLNNAA__VV22..11
FF

RRVV__VV33..11

11PPMMAA__V

V00..33

DDSS__VV22..33

DDCCLL__VV99..22
MMAARRVVNN__BBSSUU__VV33..33

FFRRVV__VV77..22
GGTTOOBBSSUU__VV55..22

OOXXCCVV__VV33..11

CCCCVVMMIISS

GGIIDD__VV00..33

665533CC

332233CC 663333CC

660033CC

880033CC

662233CC

554433CC

113333CC772233CC

333333CC

223333CC003333CC

443333CC664433CC

110033CC

444433CC

001133CC

111133CC

884433CC552233CC

774433CC992233CC

9

3

8

9

C9C

G3G

D8D

D9D

S

S

B

B

A

A

N

N

I

I

T

T

T

T

U

U

O

O

T

T

T

T

B

B

C

C

A

A

A

A

V

V

V

V

B

B

B

B

33AA

11NNII

11DD

22NNII

44BB

33NNII

55CC

44NNII

66DD

55NNII

77DD

66NNII

88BB

77NNII

44JJ

88NNII

88HH

99NNII

55HH

0011NNII

99HH

1111NNII

44HH

11AANNII

44GG

22AANNII

55GG

11BBNNII

66GG

22BBNNII

11HH

11VVLLNNII

11EE

22VVLLNNII

99BB

11OODDLLAA

77BB

22OODDLLAA

55EE

11OODDLLXXUUAA

55FF

22OODDLLXXUUAA

66EE

33OODDLLXXUUAA

66FF

44OODDLLXXUUAA

77EE

55OODDLLXXUUAA

22HH

11OODDLLVVLL

22EE

22OODDLLVVLL

66AA

11OODDLLCCHH

55AA

22OODDLLCCHH

55BB

11OODDLLSSMM

66BB

22OODDLLSSMM

88AA

11OODDLLFFRR

77AA

22OODDL

LFFRR

44FF

OODDLLCCLL

33BB

OODDLLMMIISS

44AA

OODDLLOOII

D

D

D

D

N

N

N

N

G

G

G

G

D

D

A

A

8

7

9

F8F

F7F

F9F

553333CC882233CC

11FF

NNIIXX

11GG

TTUUOOXX

330033CC

66HH

NN11CC

77JJ

PP11CC

33CC

11BBFF

22CC

22BBFF

22AA

000033LL

11XXLL

11CC

110033LL

22XXLL

77GG

NNNNIIXXRR

77HH

PPNNIIXXRR

33JJ

LLPPHH

22JJ

RRPPHH

99GG

NNTTUUOO

88JJ

PPTTUUOO

99EE

AANNIIGGHHCC

88EE

BBNNIIGGHHCC

440033UU

44DD

11CCPP

44EE

000033PPTT

22CCPP

33DD

ZZHHKK2233

88CC

991133CC

LLVV
SSAAIIBBVV
LLCCSS
AADDSS
BBQQRRII
PPBBFFEERR
BBTTEESSEERR
BBRRWWPPFFHH
BBNNOORRWWPP
11TTSSEETT
22TTSSEETT

CCNN
CCNN
CCNN
CCNN
CCNN
CCNN

3

3

1

1

4

4

2

2

D

D

D

D

D

D

D

D

D

D

N

N

N

N

N

N

N

N

S

S
N

N

G

G

S

S

G

G

G

G

G

G

G

G

V

V

P

P

P

P

P

P

P

P

8

1

2

6

5

J6J

J5J

G8G

B1B

B2B

002233CC

33HH
66C

C

77CC
44CC

220033PPTT

55DD

112233CC

33EE
22DD
33FF
22FF
22GG

11AA
99AA
11JJ

99JJ
11
22

994433CC

000033CCSSOO

LL__KKCCAAJJRRAAEE
RR

__KKCCAAJJRRAAEE

NN__KKPPSS
PP__KKPPSS

CCPP

QQEERR__KKLLCC__TTBB

KK2233KKLLCC

LLCCSS
AADDSS

QQRRII__UUMMPP

TTEESSEERR__BBBB

TTEEDD__CCCCAA

YYEEKKNNOOPP

222233CC

110033RR

220033CC

440033CC

331133CC

881133CC

PPUUKKCCAABB

440033TTAABB

EERROOCCVV__VV22..11

MMEEMM__VV88..11

441133CC

FFII__VV55__SSUUBBVV

C
5
0
6

L410
C331
C318

C344

C349

C
3
2
9

C323

C
3
0
1

C336

L

4
0
9

C
3
2
6

C

R

3

C
3
0
3

C305

3
1
8

C306

C
3
1
1

5
8

C357

C
3
1
0

U301

C
3
2
0

C308
C236
C235

C347

O

C325

T
P
3
0
0

S
C
3
0
0

0

4

U

3

C302

L

3
0
1

C

C

3

3

4

2

6

7
C

C

3

3

4

3

5

3

C

C

3

3

1

5

9

6

C

C

3

3
3
4

C
3
2
1

C
3
3
0

L

2

3

8

0
0

C
3
3
2

2

2

2

T

2

P

0
3
P
T

C335

C313

C314

C348
C322

C
2
2
7

9-2

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

U304 pin E3(RESETB

check the test point)

(

Check the16bit data signal

memory CE

&

END

)="

Yes

Yes

H"?

No

Check the circuit related to reset

9-3

SAMSUNG Proprietary-Contents may change without notice

This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

SSUUBBVV

TTAABBVV

775533CC

550033CC

PP__PPMMAA

NN__PPMMAA

TTUUOO__LL
TTUUOO__RR

GGLLNNAA__VV00..33
VV88..22__AA__MMAACC

OOII__MMAACC__VV88..22
VV88..11__EERROOCC__MMAACC
BBIIVV__VV22..33
HHCCUUOOTT__VV00..33

GGLLNNAA__VV22..11

RRVV__VV33..11

FF

11PPMMAA__V

V00..33

DDSS__VV22..33

DDCCLL__VV99..22
MMAARRVVNN__BBSSUU__VV33..33

FFRRVV__VV77..22
GGTTOOBBSSUU__VV55..22

OOXXCCVV__VV33..11

CCCCVVMMIISS

GGIIDD__VV00..33

665533CC

332233CC 663333CC

660033CC

880033CC

662233CC

554433CC

113333CC772233CC

333333CC

223333CC003333CC

443333CC664433CC

110033CC

444433CC

001133CC

111133CC

884433CC552233CC

553333CC882233CC

774433CC992233CC

3

9

8

9

G3G

D9D

C9C

D8D

S

S

B

B

A

A

N

N

I

I

T

T

T

T

U

U

O

O

T

T

T

T

B

B

C

C

A

A

A

A

V

V

V

V

B

B

B

B

33AA

11NNII

11DD

22NNII

44BB

33NNII

55CC

44NNII

66DD

55NNII

77DD

66NNII

88BB

77NNII

44JJ

88NNII

88HH

99NNII

55HH

0011NNII

99HH

1111NNII

44HH

11AANNII

44GG

22AANNII

55GG

11BBNNII

66GG

22BBNNII

11HH

11VVLLNNII

11EE

22VVLLNNII

99BB

11OODDLLAA

77BB

22OODDLLAA

55EE

11OODDLLXXUUAA

55FF

22OODDLLXXUUAA

66EE

33OODDLLXXUUAA

66FF

44OODDLLXXUUAA

77EE

55OODDLLXXUUAA

22HH

11OODDLLVVLL

22EE

22OODDLLVVLL

66AA

11OODDLLCCHH

55AA

22OODDLLCCHH

55BB

11OODDLLSSMM

66BB

22OODDLLSSMM

88AA

11OODDLLFFRR

77AA

22OODDL

LFFRR

44FF

OODDLLCCLL

33BB

OODDLLMMIISS

44AA

OODDLLOOII

D

D

D

D

N

N

N

N

G

G

G

G

D

D

A

A

8

7

9

F8F

F7F

F9F

11FF

NNIIXX

11GG

TTUUOOXX

330033CC

66HH

NN11CC

77JJ

PP11CC

33CC

11BBFF

22CC

22BBFF

22AA

000033LL

11XXLL

11CC

110033LL

22XXLL

77GG

NNNNIIXXRR

77HH

PPNNIIXXRR

33JJ

LLPPHH

22JJ

RRPPHH

99GG

NNTTUUOO

88JJ

PPTTUUOO

99EE

AANNIIGGHHCC

88EE

BBNNIIGGHHCC

440033UU

44DD

11CCPP

44EE

000033PPTT

22CCPP

33DD

ZZHHKK2233

88CC

991133CC

LLVV
SSAAIIBBVV
LLCCSS
AADDSS
BBQQRRII
PPBBFFEERR
BBTTEESSEERR
BBRRWWPPFFHH
BBNNOORRWWPP
11TTSSEETT
22TTSSEETT

CCNN
CCNN
CCNN
CCNN
CCNN
CCNN

1

1

4

4

2

2

3

3

D

D

D

D

D

D

D

D

D

D

N

N

N

N

N

N

N

N

S

S
N

N

S

S

G

G

G

G

G

G

G

G

G

G

V

V

P

P

P

P

P

P

P

P

8

1

2

6

5

J6J

J5J

B1B

B2B

G8G

002233CC

33HH
66C

C

77CC
44CC

220033PPTT

55DD

112233CC

33EE
22DD
33FF
22FF
22GG

11AA
99AA
11JJ

99JJ
11
22

994433CC

000033CCSSOO

LL__KKCCAAJJRRAAEE
RR

__KKCCAAJJRRAAEE

NN__KKPPSS
PP__KKPPSS

CCPP

QQEERR__KKLLCC__TTBB

KK2233KKLLCC

LLCCSS
AADDSS

QQRRII__UUMMPP

TTEESSEERR__BBBB

TTEEDD__CCCCAA

YYEEKKNNOOPP

222233CC

110033RR

220033CC

440033CC

331133CC

881133CC

PPUUKKCCAABB

440033TTAABB

EERROOCCVV__VV22..11

MMEEMM__VV88..11

441133CC

FFII__VV55__SSUUBBVV

C
5
0
6

L410
C331
C318

C344

C349

C
3
2
9

C323

C
3
0
1

C336

L

4
0
9

C
3
2
6

C

R

3

C
3
0
3

C305

3
1
8

C306

C
3
1
1

5
8

C357

C
3
1
0

U301

C
3
2
0

C308
C236
C235

C347

O

C325

T
P
3
0
0

S

C

3

0

0

0

4

U

3

C302

L

3
0
1

C
3
2
7

C
3
4
5

C
3
1
9

C

C
3
4
6

C
3
3
3

C
3
5
6

C

3

3
3
4

C
3
2
1

C
3
3
0

L

2

3

8

0
0

C

3

3

2

2

2

2

2

P

T

0
3
P
T

C335

C313

C314

C348
C322

C
2
2
7

9-4

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This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-3.

Charging Part

Abnormal charging part

Check the U304 pin E9

Yes

>5.0V

Yes

C322(ACC_DET

L"?

="

Yes

No

)

No

Check the circuit related to

VBUS_5V_IF

Check the circuit related to

ACC_DET

signal

Check the U304 pin D5

1.25V

≒

Yes

END

No

Resolder or replace U304

9-5

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Flow Chart of Troubleshooting

SSUUBBVV

TTAABBVV

775533CC

550033CC

PP__PPMMAA

NN__PPMMAA

TTUUOO__LL
TTUUOO__RR

GGLLNNAA__VV00..33
VV88..22__AA__MMAACC

OOII__MMAACC__VV88..22
VV88..11__EERROOCC__MMAACC
BBIIVV__VV22..33
HHCCUUOOTT__VV00..33

GGLLNNAA__VV22..11

RRVV__VV33..11

FF

11PPMMAA__V

V00..33

DDSS__VV22..33

DDCCLL__VV99..22
MMAARRVVNN__BBSSUU__VV33..33

FFRRVV__VV77..22
GGTTOOBBSSUU__VV55..22

OOXXCCVV__VV33..11

CCCCVVMMIISS

GGIIDD__VV00..33

665533CC

332233CC 663333CC

660033CC

880033CC

662233CC

554433CC

113333CC772233CC

333333CC

223333CC003333CC

443333CC664433CC

110033CC

444433CC

001133CC

111133CC

884433CC552233CC

553333CC882233CC

774433CC992233CC

3

9

8

9

D9D

D8D

C9C

G3G

S

S

A

A

N

N

B

B

I

I

T

T

T

T

U

U

O

O

T

T

T

T

B

B

C

C

A

A

A

A

V

V

V

V

B

B

B

B

33AA

11NNII

11DD

22NNII

44BB

33NNII

55CC

44NNII

66DD

55NNII

77DD

66NNII

88BB

77NNII

44JJ

88NNII

88HH

99NNII

55HH

0011NNII

99HH

1111NNII

44HH

11AANNII

44GG

22AANNII

55GG

11BBNNII

66GG

22BBNNII

11HH

11VVLLNNII

11EE

22VVLLNNII

99BB

11OODDLLAA

77BB

22OODDLLAA

55EE

11OODDLLXXUUAA

55FF

22OODDLLXXUUAA

66EE

33OODDLLXXUUAA

66FF

44OODDLLXXUUAA

77EE

55OODDLLXXUUAA

22HH

11OODDLLVVLL

22EE

22OODDLLVVLL

66AA

11OODDLLCCHH

55AA

22OODDLLCCHH

55BB

11OODDLLSSMM

66BB

22OODDLLSSMM

88AA

11OODDLLFFRR

77AA

LFFRR

22OODDL

44FF

OODDLLCCLL

33BB

OODDLLMMIISS

44AA

OODDLLOOII

D

D

D

D

N

N

N

N

G

G

G

G

D

D

A

A

8

7

9

F8F

F7F

F9F

11FF

NNIIXX

11GG

TTUUOOXX

330033CC

66HH

NN11CC

77JJ

PP11CC

33CC

11BBFF

22CC

22BBFF

22AA

000033LL

11XXLL

11CC

110033LL

22XXLL

77GG

NNNNIIXXRR

77HH

PPNNIIXXRR

33JJ

LLPPHH

22JJ

RRPPHH

99GG

NNTTUUOO

88JJ

PPTTUUOO

99EE

AANNIIGGHHCC

88EE

BBNNIIGGHHCC

440033UU

44DD

11CCPP

44EE

000033PPTT

22CCPP

33DD

ZZHHKK2233

88CC

991133CC

LLVV
SSAAIIBBVV
LLCCSS
AADDSS
BBQQRRII
PPBBFFEERR
BBTTEESSEERR
BBRRWWPPFFHH
BBNNOORRWWPP
11TTSSEETT
22TTSSEETT

CCNN
CCNN
CCNN
CCNN
CCNN
CCNN

3

3

1

1

4

4

2

2

D

D

D

D

D

D

D

D

D

D

N

N

N

N

N

N

N

N

S

S
N

N

G

G

S

S

G

G

G

G

G

G

G

G

V

V

P

P

P

P

P

P

P

P

8

1

2

6

5
J5J

J6J

B1B

G8G

B2B

002233CC

33HH
66C

C

77CC
44CC

220033PPTT

55DD

112233CC

33EE
22DD
33FF
22FF
22GG

11AA
99AA
11JJ

99JJ
11
22

994433CC

000033CCSSOO

LL__KKCCAAJJRRA

AEE

RR__KKCCAAJJRRAAEE

NN__KKPPSS
PP__KK

PPSS

CCPP

QQEERR__KKLLCC__TTBB

KK2233KKLLCC

LLCCSS
AADDSS

QQRRII__UUMMPP

TTEESSEERR__BBBB

TTEEDD__CCCCAA

YYEEKKNNOOPP

222233CC

110033RR

220033CC

440033CC

331133CC

881133CC

PPUUKKCCAABB

440033TTAABB

EERROOCCVV__VV22..11

MMEEMM__VV88..11

441133CC

FFII__VV55__SSUUBBVV

C
5
0
6

L410
C331
C318

C344

C349

C
3
2
9

C323

C
3
0
1

C336

L

4
0
9

C
3
2
6

C
3
2
7

C
3
4
5

C
3
1
9

C
3
0
3

C305

C
3
4
6

C
3
3
3

C
3
5
6

R
3
1
8

C306

C
3
1
1

C
3
3
4

C
3
2
1

C
3
3
0

C
3
5
8

C357

C
3
1
0

4

U301

C
3
2
0

3

0

C
3
2
8

C
3
3
2

2

2

2

P

C308
C236
C235

T
P
3

C347

C325

0
0

O
S

C
3
0
0

U

C302

L

3
0
1

L

3
0
0

2

T

0
3
P
T

C335

C313
C314

C348
C322

C
2
2
7

9-6

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This Document can not be used without Samsung's authorization

Flow Chart of Troubleshooting

9-4.

Sim Part

Phone can't access SIM Card

Yes

Check the SIMVCC

Check the SIM connector's

connector's to SIM card

=3.0V

Yes

①

No

Check the circuit related to R311, C340

②

No

resolder or change SIM300

Yes

Check the circuit around SIM300

input circuitry

Yes

END

③

No

Check the related circuit of SIM300

9-7

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This Document can not be used without Samsung's authorization