Samsung GT-M3710L User manual

GSM TELEPHONE
GT-M3710L
GSM TELEPHONE CONTENTS
1. Safety Precautions
2. Specification
3. Product Function
4. Array course control
5. Exploded View and Parts List
6. Main Electrical Parts List
7. Block Diagrams
8. PCB Diagrams
9. Flow Chart of Troubleshooting
10. Reference data
11. Disassembly and Assembly
instructions
efrcom efrcom

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 &Africa mea.samsungportal.com
This Service Manual is aproperty of Samsung Electronics Co.,Ltd.
Any unauthorized use of Manual can be punished under applicable
International and/or domestic law.
Samsung Electronics Co.,Ltd.
2010. 02.Rev.1.0
ⓒ

SAMSUNG Proprietary-Contents may change without notice
6. MAIN Electrical Parts List
6-1
This Document can not be used without Samsung's authorization
SEC CODE Design LOC Discription
0403-001688 ZD300,ZD403 DIODE
0404-001504 ZD100,ZD101,ZD102 DIODE
0404-001504 ZD103 DIODE
0406-001241 ZD409,ZD411 DIODE
0406-001293 ZD503,ZD504,ZD505 DIODE
0406-001329 ZD407 DIODE
0801-003026 U310 IC
0801-003130 U202 IC
1001-001447 U301,U404 IC
1001-001581 U102 IC
1001-001598 U402 IC
1001-001607 U103 IC
1108-000296 UME200 MEMORY
1201-002675 U311 IC
1201-002933 PAM100 IC
1203-006077 U500 IC
1203-006176 U304 IC
1205-003656 UCP200 IC
1205-003839 U106 IC
1205-003868 U101 IC
1404-001221 VR200 THERMISTOR
2007-000137 R501 R-CHIP
2007-000138 R109,R219,R303,R318 R-CHIP
2007-000138 R414 R-CHIP
2007-000140 R406 R-CHIP
2007-000143 R200,R203,R204,R216 R-CHIP
2007-000143 R217,R417,R421,R422 R-CHIP
2007-000144 R207,R208,R209,R210 R-CHIP
2007-000144 R308 R-CHIP
2007-000148 R105,R311 R-CHIP
2007-000152 R504 R-CHIP
2007-000156 R300,R403 R-CHIP
2007-000157 R306,R307,R309,R310 R-CHIP
2007-000162 R102,R103,R110,R112 R-CHIP
2007-000162 R113,R114,R115,R215 R-CHIP
2007-000162 R400,R408 R-CHIP
2007-000165 R305 R-CHIP
2007-001270 R404,R407 R-CHIP
2007-001333 R413 R-CHIP
2007-002796 R500 R-CHIP
2007-003010 R418 R-CHIP

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Main Electrical Parts List
6-2
This Document can not be used without Samsung's authorization
SEC CODE Design LOC Discription
2007-003014 R206 R-CHIP
2007-003015 R401,R402 R-CHIP
2007-003018 R106,R107 R-CHIP
2007-007014 R312,R313 R-CHIP
2007-007132 R104,R116 R-CHIP
2007-007312 R214 R-CHIP
2007-007315 R218 R-CHIP
2007-007981 R201,R202 R-CHIP
2007-008401 R205 R-CHIP
2203-000233 C232,C343 C-CERAMIC,CHIP
2203-000254 C103,C131,C144,C221 C-CERAMIC,CHIP
2203-000254 C231,C352 C-CERAMIC,CHIP
2203-000278 C116,C125,C126,C130 C-CERAMIC,CHIP
2203-000278 C134,C136,C137,C143 C-CERAMIC,CHIP
2203-000311 C409,C420 C-CERAMIC,CHIP
2203-000359 ZD400,ZD410 C-CERAMIC,CHIP
2203-000386 C305,C306,C308,C357 C-CERAMIC,CHIP
2203-000386 C501,ZD401,ZD402 C-CERAMIC,CHIP
2203-000425 C218 C-CERAMIC,CHIP
2203-000438 C234 C-CERAMIC,CHIP
2203-000550 C302,C304 C-CERAMIC,CHIP
2203-000679 C229,C423 C-CERAMIC,CHIP
2203-000696 C147 C-CERAMIC,CHIP
2203-000812 C118,C119,C355,C400 C-CERAMIC,CHIP
2203-000812 L107,L111 C-CERAMIC,CHIP
2203-000854 C226,C233 C-CERAMIC,CHIP
2203-000995 C204,C215,C230,C401 C-CERAMIC,CHIP
2203-000995 C402 C-CERAMIC,CHIP
2203-001101 C222 C-CERAMIC,CHIP
2203-001153 C122,C503 C-CERAMIC,CHIP
2203-002709 C322 C-CERAMIC,CHIP
2203-003054 C405,C406 C-CERAMIC,CHIP
2203-005056 C123 C-CERAMIC,CHIP
2203-005057 C429 C-CERAMIC,CHIP
2203-005234 C117 C-CERAMIC,CHIP
2203-005288 C152 C-CERAMIC,CHIP
2203-005450 C145 C-CERAMIC,CHIP
2203-005968 C353,C354 C-CERAMIC,CHIP
2203-006048 C104,C105,C106,C121 C-CERAMIC,CHIP
2203-006048 C132,C133,C140,C200 C-CERAMIC,CHIP
2203-006048 C207,C209,C210,C211 C-CERAMIC,CHIP

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Main Electrical Parts List
6-3
This Document can not be used without Samsung's authorization
SEC CODE Design LOC Discription
2203-006048 C212,C216,C217,C300 C-CERAMIC,CHIP
2203-006048 C319,C321,C358,C407 C-CERAMIC,CHIP
2203-006048 C408,C418,C421,C424 C-CERAMIC,CHIP
2203-006048 C500 C-CERAMIC,CHIP
2203-005481 C505 C-CERAMIC,CHIP
2203-006190 C109,C110 C-CERAMIC,CHIP
2203-006208 C237 C-CERAMIC,CHIP
2203-006260 C124,C235,C236,C310 C-CERAMIC,CHIP
2203-006260 C311 C-CERAMIC,CHIP
2203-006348 C349 C-CERAMIC,CHIP
2203-006375 C504,C506 C-CERAMIC,CHIP
2203-006399 C127,C150,C206,C208 C-CERAMIC,CHIP
2203-006399 C225,C227,C303,C320 C-CERAMIC,CHIP
2203-006399 C325,C328,C329,C330 C-CERAMIC,CHIP
2203-006399 C331,C332,C336,C337 C-CERAMIC,CHIP
2203-006399 C340,C341,C342,C345 C-CERAMIC,CHIP
2203-006399 C356,C513,C515,C521 C-CERAMIC,CHIP
2203-006399 C522 C-CERAMIC,CHIP
2203-006562 C141,C142,C301,C323 C-CERAMIC,CHIP
2203-006562 C333,C509,C514 C-CERAMIC,CHIP
2203-006681 C213,C214,C224,C228 C-CERAMIC,CHIP
2203-006681 C422 C-CERAMIC,CHIP
2203-006824 C101 C-CERAMIC,CHIP
2203-006825 C335 C-CERAMIC,CHIP
2203-006838 C100 C-CERAMIC,CHIP
2203-006841 C201,C318 C-CERAMIC,CHIP
2203-006872 C128,C129,C149,C202 C-CERAMIC,CHIP
2203-006872 C203,C205,C219,C220 C-CERAMIC,CHIP
2203-006872 C223,C326,C327,C334 C-CERAMIC,CHIP
2203-006872 C346,C347,C348,C428 C-CERAMIC,CHIP
2203-006890 C313,C314 C-CERAMIC,CHIP
2203-007270 C120,C344 C-CERAMIC,CHIP
2203-007317 C102,C107,C108,C114 C-CERAMIC,CHIP
2203-007317 C115 C-CERAMIC,CHIP
2404-001377 TA500 C-TA,CHIP
2404-001430 TA305 C-TA,CHIP
2409-001172 BAT304 CAPACITOR
2703-001178 L112,L113,L117 INDUCTOR-SMD
2703-001726 L120,L121,L201 INDUCTOR-SMD
2703-001729 C151 INDUCTOR-SMD
2703-001734 L115,L116 INDUCTOR-SMD

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Main Electrical Parts List
6-4
This Document can not be used without Samsung's authorization
SEC CODE Design LOC Discription
2703-002203 L104,L105 INDUCTOR-SMD
2703-002205 C111 INDUCTOR-SMD
2703-002176 L102 INDUCTOR-SMD
2703-002208 L103,L106,L109 INDUCTOR-SMD
2703-002208 L114 INDUCTOR-SMD
2703-002231 L405 INDUCTOR-SMD
2703-002268 L119 INDUCTOR-SMD
2703-002281 L118,L122 INDUCTOR-SMD
2703-002313 L400,L401 INDUCTOR-SMD
2703-002365 C139,L108,L110 INDUCTOR-SMD
2703-003260 L300,L301 INDUCTOR-SMD
2703-003476 L406,L407,L408 INDUCTOR-SMD
2703-003698 L127 INDUCTOR-SMD
2801-004373 OSC300 CRYSTAL-UNIT
2801-004815 OSC100,OSC200 CRYSTAL-UNIT
2901-001435 F500,F501,F502 FILTER-EMI
2904-001935 F101 FILTER-SAW
2904-001936 F100 FILTER-SAW
2909-001299 F102 FILTER-DUPLEXER
3003-001138 MIC400,MIC401 MIC-CONDENSOR
3301-001438 L126 CORE-FERRITE
3301-001534 L100,L101 CORE-FERRITE
3301-001659 L123,L124,L200,L202 CORE-FERRITE
3301-001885 L402,L403,L404,L409 CORE-FERRITE
3301-001885 L410,L500,L503,L504 CORE-FERRITE
3705-001503 RFS100 CONNECTOR-COAXIAL
3708-002015 SLC400 CONNECTOR-FPC/FFC/PIC
3709-001488 SIM300 CONNECTOR-CARD
3709-001580 CD300 CONNECTOR-CARD
3711-006105 HEA501 CONNECTOR-HEADER
3711-006808 BTC300 CONNECTOR-HEADER
3711-006943 HEA504 CONNECTOR-HEADER
3722-002840 IFC400 JACK-PHONE
3722-002983 HEA400 JACK-PHONE
GH70-03276A SC100 ;ONBOARD-CLIP
GH71-08426A ANT100,ANT101,ANT102 NPR-CONTACT
Please consult the GSPN website (Samsung Portal) for the most recent version of the product's part list.

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9. Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
9-1
9-1. Power On
'Power On 'does not work
Yes
Yes
No Download again
Check the VBAT
more than 3.3V No Check the Battery
Yes
Check the related circuit
No
C301(VBAT)=3.0 V?
Yes ①
Check the U304 and L301
No
Check the MEM_1.8V of U304
is more than 1.8V
1.8V
Yes
Check U304
3.0V_DIG =3.0V
3.0V_ANLG =3.0V
1.2V_ANLG =1.2V
②
No Check the U304 and C328, C329, C347
Yes ③
Yes
Yes
Check the clock 32KHz_DIGIT
No
Check CLK32K
Freq =32 KHz
Check the initial operation
END
Check the current consumption
more than 100mA

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Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
9-2
994433CC
330033CC
220033CC
665533CC
001133CC
554433CC
220033PPTT
112233CC
884433CC552233CC
110033LL 000033LL
775533CC
662233CC
441133CC
113333CC772233CC
99JJ
880033CC
11JJ
RRPPHH 22JJ
LLPPHH 33JJ
88NNII
44JJ
VSS VSS
J5 J5PGND4
PGND4
J6 J6
PP11CC 77JJ
PPTTUUOO 88JJ
CCNN
22HH SSAAIIBBVV 33HH
11AANNII
44HH
0011NNII
55HH
NN11CC 66HH
PPNNIIXXRR 77HH
99NNII
88HH
1111NNII
99HH
CCNN
G3 G3
22AANNII
44GG
11BBNNII
55GG
22BBNNII
66GG
NNNNIIXXRR 77GG
PGND3 PGND3
G8 G8
NNTTUUOO 99GG 11VVLLNNII
11HH
11OODDLLVVLL
44FF
22OODDLLXXUUAA
55FF
44OODDLLXXUUAA
66FF
AGND AGND
F7 F7
DGND DGND
F8 F8
GND GND
F9 F9
TTUUOOXX 11GG
22TTSSEETT 22GG
VCOIN VCOIN
55EE
33OODDLLXXUUAA
66EE
55OODDLLXXUUAA
77EE
BBNNIIGGHHCC 88EE
AANNIIGGHHCC 99EE
NNIIXX 11FF
11TTSSEETT 22FF
BBNNOORRWWPP 33FF
OODDLLCCLL
66DD
66NNII
77DD
BATTB BATTBD8
D8
BATTA BATTAD9
D9
22VVLLNNII
11EE
22OODDLLVVLL
22EE
BBTTEESSEERR 33EE
22CCPP 44EE
11OODDLLXXUUAA
77CC
LLVV 88CC
VBUS
VBUSC9
C9
22NNII
11DD
BBRRWWPPFFHH 22DD
ZZHHKK2233 33DD
11CCPP 44DD
PPBBFFEERR 55DD
55NNII
88BB
11OODDLLAA
99BB
22XXLL 11CC
22BBFF 22CC
11BBFF 33CC
BBQQRRII 44CC
44NNII
55CC
LLCCSS 66C
C
AADDSS
99AA
PGND1 PGND1
B1 B1
PGND2 PGND2
B2 B2
OODDLLMMIISS
33BB
33NNII
44BB
11OODDLLSSMM
55BB
22OODDLLSSMM
66BB
22OODDLLAA
77BB
77NNII
11AA
11XXLL 22AA
11NNII
33AA
OODDLLOOII
44AA
22OODDLLCCHH
55AA 11OODDLLCCHH
66AA
22OODDL
LFFRR
77AA 11OODDLLFFRR
88AA
CCNN
440033UU
CCNN 11
CCNN 22
CCNN
331133CC
774433CC992233CC
660033CC
222233CC
333333CC
991133CC
881133CC
553333CC882233CC
002233CC
332233CC 663333CC
110033RR
440033TTAABB
110033CC
111133CC
443333CC664433CC
440033CC
223333CC003333CC
550033CC
444433CC
000033PPTT
000033CCSSOO
VV88..22__AA__MMAACC
MMAARRVVNN__BBSSUU__VV33..33 DDCCLL__VV99..22
CCCCVVMMIISS
FFRRVV__VV77..22 GGTTOOBBSSUU__VV55..22
11PPMMAA__V
V00..33 DDSS__VV22..33
GGIIDD__VV00..33
GGLLNNAA__VV22..11
TTUUOO__RR TTUUOO__LL
HHCCUUOOTT__VV00..33
VV88..11__EERROOCC__MMAACC
OOXXCCVV__VV33..11
BBIIVV__VV22..33
OOII__MMAACC__VV88..22
FF
RRVV__VV33..11
GGLLNNAA__VV00..33
TTAABBVV
CCPP
KK2233KKLLCC
TTEEDD__CCCCAA
SSUUBBVV
AADDSS LLCCSS
QQRRII__UUMMPP
EERROOCCVV__
VV
22..11 MMEEMM__VV88..11
PP__KKPPSS
LL__KKCCAAJJRRAAEE RR
__KKCCAAJJRRAAEE
NN__KKPPSS
YYEEKKNNOOPP
FFII__VV55__SSUUBBVV
QQEERR__KKLLCC__TTBB
TTEESSEERR__BBBB
PPUUKKCCAABB
PP__PPMMAA
NN__PPMMAA
7
2
2
C
C235
C236
1
0
3
C
C302
3
0
3
C
C305
C306
C308
0
1
3
C
1
1
3
C
C313
C314
C318
9
1
3
C
0
2
3
C
1
2
3
C
C322
C323
C325
6
2
3
C
7
2
3
C
8
2
3
C
9
2
3
C
0
3
3
C
C331
2
3
3
C
3
3
3
C
4
3
3
C
C335
C336
C344
5
4
3
C
6
4
3
C
C347
C348
C349
6
5
3
C
C357
8
5
3
C
6
0
5
C
0
0
3
L
1
0
3
L
9
0
4
L
L410
0
0
3
C
S
O
8
1
3
R
TP222
0
0
3
P
T
2
0
3
P
T
U301
U304

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This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
9-3
9-2. Initial
Initial Failure
Yes
U304 pin E3 (RESETB)=" H"?
(check the test point) No Check the circuit related to reset
Yes
Check the 16bit data signal
&memory CE
END
Yes

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Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
9-4
994433CC
330033CC
220033CC
665533CC
001133CC
554433CC
220033PPTT
112233CC
884433CC552233CC
110033LL 000033LL
775533CC
662233CC
441133CC
113333CC772233CC
99JJ
880033CC
11JJ
RRPPHH 22JJ
LLPPHH 33JJ
88NNII
44JJ
VSS VSS
J5 J5PGND4
PGND4
J6 J6
PP11CC 77JJ
PPTTUUOO 88JJ
CCNN
22HH SSAAIIBBVV 33HH
11AANNII
44HH
0011NNII
55HH
NN11CC 66HH
PPNNIIXXRR 77HH
99NNII
88HH
1111NNII
99HH
CCNN
G3 G3
22AANNII
44GG
11BBNNII
55GG
22BBNNII
66GG
NNNNIIXXRR 77GG
PGND3 PGND3
G8 G8
NNTTUUOO 99GG 11VVLLNNII
11HH
11OODDLLVVLL
44FF
22OODDLLXXUUAA
55FF
44OODDLLXXUUAA
66FF
AGND AGND
F7 F7
DGND DGND
F8 F8
GND GND
F9 F9
TTUUOOXX 11GG
22TTSSEETT 22GG
VCOIN
VCOIN
55EE
33OODDLLXXUUAA
66EE
55OODDLLXXUUAA
77EE
BBNNIIGGHHCC 88EE
AANNIIGGHHCC 99EE
NNIIXX 11FF
11TTSSEETT 22FF
BBNNOORRWWPP 33FF
OODDLLCCLL
66DD
66NNII
77DD
BATTB BATTBD8
D8
BATTA BATTAD9
D9
22VVLLNNII
11EE
22OODDLLVVLL
22EE
BBTTEESSEERR 33EE
22CCPP 44EE
11OODDLLXXUUAA
77CC
LLVV 88CC
VBUS VBUSC9
C9
22NNII
11DD
BBRRWWPPFFHH 22DD
ZZHHKK2233 33DD
11CCPP 44DD
PPBBFFEERR 55DD
55NNII
88BB
11OODDLLAA
99BB
22XXLL 11CC
22BBFF 22CC
11BBFF 33CC
BBQQRRII 44CC
44NNII
55CC
LLCCSS 66C
C
AADDSS
99AA
PGND1 PGND1
B1 B1
PGND2 PGND2
B2 B2
OODDLLMMIISS
33BB
33NNII
44BB
11OODDLLSSMM
55BB
22OODDLLSSMM
66BB
22OODDLLAA
77BB
77NNII
11AA
11XXLL 22AA
11NNII
33AA
OODDLLOOII
44AA
22OODDLLCCHH
55AA 11OODDLLCCHH
66AA
22OODDL
LFFRR
77AA 11OODDLLFFRR
88AA
CCNN
440033UU
CCNN 11
CCNN 22
CCNN
331133CC
774433CC992233CC
660033CC
222233CC
333333CC
991133CC
881133CC
553333CC882233CC
002233CC
332233CC 663333CC
110033RR
440033TTAABB
110033CC
111133CC
443333CC664433CC
440033CC
223333CC003333CC
550033CC
444433CC
000033PPTT
000033CCSSOO
VV88..22__AA__MMAACC
MMAARRVVNN__BBSSUU__VV33..33 DDCCLL__VV99..22
CCCCVVMMIISS
FFRRVV__VV77..22 GGTTOOBBSSUU__VV55..22
11PPMMAA__V
V00..33 DDSS__VV22..33
GGIIDD__VV00..33
GGLLNNAA__VV22..11
TTUUOO__RR TTUUOO__LL
HHCCUUOOTT__VV00..33
VV88..11__EERROOCC__MMAACC
OOXXCCVV__VV33..11
BBIIVV__VV22..33
OOII__MMAACC__VV88..22
FF
RRVV__VV33..11
GGLLNNAA__VV00..33
TTAABBVV
CCPP
KK2233KKLLCC
TTEEDD__CCCCAA
SSUUBBVV
AADDSS LLCCSS
QQRRII__UUMMPP
EERROOCCVV__
VV
22..11 MMEEMM__VV88..11
PP__KKPPSS
LL__KKCCAAJJRRAAEE RR
__KKCCAAJJRRAAEE
NN__KKPPSS
YYEEKKNNOOPP
FFII__VV55__SSUUBBVV
QQEERR__KKLLCC__TTBB
TTEESSEERR__BBBB
PPUUKKCCAABB
PP__PPMMAA
NN__PPMMAA
7
2
2
C
C235
C236
1
0
3
C
C302
3
0
3
C
C305
C306
C308
0
1
3
C
1
1
3
C
C313
C314
C318
9
1
3
C
0
2
3
C
1
2
3
C
C322
C323
C325
6
2
3
C
7
2
3
C
8
2
3
C
9
2
3
C
0
3
3
C
C331
2
3
3
C
3
3
3
C
4
3
3
C
C335
C336
C344
5
4
3
C
6
4
3
C
C347
C348
C349
6
5
3
C
C357
8
5
3
C
6
0
5
C
0
0
3
L
1
0
3
L
9
0
4
L
L410
0
0
3
C
S
O
8
1
3
R
TP222
0
0
3
P
T
2
0
3
P
T
U301
U304

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This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
9-5
9-3. Charging Part
Yes
Resolder or replace U304
Check the circuit related to
ACC_DET signal
Check the circuit related to
VBUS_5V_IF
Yes
No
Check the U304 pin D5
≒1.25V
Yes
No
C322 (ACC_DET)
="
L"?
Yes
No
END
Abnormal charging part
Check the U304 pin E9
>5.0V

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Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
9-6
994433CC
330033CC
220033CC
665533CC
001133CC
554433CC
220033PPTT
112233CC
884433CC552233CC
110033LL 000033LL
775533CC
662233CC
441133CC
113333CC772233CC
99JJ
880033CC
11JJ
RRPPHH 22JJ
LLPPHH 33JJ
88NNII
44JJ
VSS VSS
J5 J5PGND4
PGND4
J6 J6
PP11CC 77JJ
PPTTUUOO 88JJ
CCNN
22HH SSAAIIBBVV 33HH
11AANNII
44HH
0011NNII
55HH
NN11CC 66HH
PPNNIIXXRR 77HH
99NNII
88HH
1111NNII
99HH
CCNN
G3 G3
22AANNII
44GG
11BBNNII
55GG
22BBNNII
66GG
NNNNIIXXRR 77GG
PGND3 PGND3
G8 G8
NNTTUUOO 99GG 11VVLLNNII
11HH
11OODDLLVVLL
44FF
22OODDLLXXUUAA
55FF
44OODDLLXXUUAA
66FF
AGND AGND
F7 F7
DGND DGND
F8 F8
GND GND
F9 F9
TTUUOOXX 11GG
22TTSSEETT 22GG
VCOIN VCOIN
55EE
33OODDLLXXUUAA
66EE
55OODDLLXXUUAA
77EE
BBNNIIGGHHCC 88EE
AANNIIGGHHCC 99EE
NNIIXX 11FF
11TTSSEETT 22FF
BBNNOORRWWPP 33FF
OODDLLCCLL
66DD
66NNII
77DD
BATTB BATTBD8
D8
BATTA BATTAD9
D9
22VVLLNNII
11EE
22OODDLLVVLL
22EE
BBTTEESSEERR 33EE
22CCPP 44EE
11OODDLLXXUUAA
77CC
LLVV 88CC
VBUS VBUSC9
C9
22NNII
11DD
BBRRWWPPFFHH 22DD
ZZHHKK2233 33DD
11CCPP 44DD
PPBBFFEERR 55DD
55NNII
88BB
11OODDLLAA
99BB
22XXLL 11CC
22BBFF 22CC
11BBFF 33CC
BBQQRRII 44CC
44NNII
55CC
LLCCSS 66C
C
AADDSS
99AA
PGND1 PGND1
B1 B1
PGND2 PGND2
B2 B2
OODDLLMMIISS
33BB
33NNII
44BB
11OODDLLSSMM
55BB
22OODDLLSSMM
66BB
22OODDLLAA
77BB
77NNII
11AA
11XXLL 22AA
11NNII
33AA
OODDLLOOII
44AA
22OODDLLCCHH
55AA 11OODDLLCCHH
66AA
22OODDL
LFFRR
77AA 11OODDLLFFRR
88AA
CCNN
440033UU
CCNN 11
CCNN 22
CCNN
331133CC
774433CC992233CC
660033CC
222233CC
333333CC
991133CC
881133CC
553333CC882233CC
002233CC
332233CC 663333CC
110033RR
440033TTAABB
110033CC
111133CC
443333CC664433CC
440033CC
223333CC003333CC
550033CC
444433CC
000033PPTT
000033CCSSOO
VV88..22__AA__MMAACC
MMAARRVVNN__BBSSUU__VV33..33 DDCCLL__VV99..22
CCCCVVMMIISS
FFRRVV__VV77..22 GGTTOOBBSSUU__VV55..22
11PPMMAA__V
V00..33 DDSS__VV22..33
GGIIDD__VV00..33
GGLLNNAA__VV22..11
TTUUOO__RR TTUUOO__LL
HHCCUUOOTT__VV00..33
VV88..11__EERROOCC__MMAACC
OOXXCCVV__VV33..11
BBIIVV__VV22..33
OOII__MMAACC__VV88..22
FF
RRVV__VV33..11
GGLLNNAA__VV00..33
TTAABBVV
CCPP
KK2233KKLLCC
TTEEDD__CCCCAA
SSUUBBVV
AADDSS LLCCSS
QQRRII__UUMMPP
EERROOCCVV__
VV
22..11 MMEEMM__VV88..11
PP
__
KK
PPSS
LL__KKCCAAJJRRA
AEE RR__KKCCAAJJRRAAEE
NN__KKPPSS
YYEEKKNNOOPP
FFII__VV55__SSUUBBVV
QQEERR__KKLLCC__TTBB
TTEESSEERR__BBBB
PPUUKKCCAABB
PP__PPMMAA
NN__PPMMAA
7
2
2
C
C235
C236
1
0
3
C
C302
3
0
3
C
C305
C306
C308
0
1
3
C
1
1
3
C
C313
C314
C318
9
1
3
C
0
2
3
C
1
2
3
C
C322
C323
C325
6
2
3
C
7
2
3
C
8
2
3
C
9
2
3
C
0
3
3
C
C331
2
3
3
C
3
3
3
C
4
3
3
C
C335
C336
C344
5
4
3
C
6
4
3
C
C347
C348
C349
6
5
3
C
C357
8
5
3
C
6
0
5
C
0
0
3
L
1
0
3
L
9
0
4
L
L410
0
0
3
C
S
O
8
1
3
R
TP222
0
0
3
P
T
2
0
3
P
T
U301
U304

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Flow Chart of Troubleshooting
9-7
9-4. Sim Part
Phone can't access SIM Card
Yes
①
Check the SIMVCC =3.0V No
Check the circuit related to R311, C340
Yes
②
Check the SIM connector's
connector's to SIM card resolder or change SIM300
No
③
Yes
Check the related circuit of SIM300
No
Check the circuit around SIM300
input circuitry
Yes
END

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Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
9-8
3.0V_DIG
2
0
1
T
N
A
BB_RESET
C338
C339
C340
C350
C351
C504
GND
L125
R220R221R222
R311
R316
R317
RTCK
0
0
1
C
S
SIM300
TCK TDITDO TMS
TP220
TRSTB
RROOTTCCEENNNNOOCCMMIISS
993333CC
44
44
55 55
66
66
77
GGGG
8899
GGGG
0011
000033MMIISS
1111 2222 3333
111133RR
004433CC
661133RR
CCCC
VV
MMIISS
115533CC883333CC
771133RR
005533CC
KKLLCCMMIISS TTSSRRMMIISS
OOIIMMIISS

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Flow Chart of Troubleshooting
9-9
9-5. Microphone Part
Microphone does not work
Yes
Resolder MIC
Check the connection
from MIC
No
Yes
Check the path from Main IC to MIC.
(MIC401 for Loud call mode,
HEA400 for Headset call mode.
MIC400 for every other cases.)
Check the circuit
from UCP200to MIC
No
Yes
Replace the MIC
Check the MIC
No
Yes
END

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Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
9-10
kkccaajjrraaEErraaeenneeccaallPP
550044LL 770044DDZZ
220044LL
330044LL
44
CC
--NN
OOCC
DD--NNOOCC55
66
WWSS
550044CC
000044AAEEHH
AA--NNOOCC22
33
BB--NNOOCC
440044LL
770044RR
550044RR
661144RR
660044RR
000044RR
66
990044DDZZ
22
11
33 44
55
330044RR
GGIIDD__VV00..33
440044RR
880044RR
TTNNAA__MMFF
660044CC
CCIIMM__RRAAEE
TTCCEETTEEDD__NNOOCC__IIPP33
LL__KKCCAAJJRRAAEE
RR__KKCCAAJJRRAAEE
HHCCTTIIWWSS__RRAAEE
CCDDAA__IIHHPP33
HHTTAAPPCCIIMMRR
AA
EE
SSAAIIBB__CCIIMM__XXUUAA
000055LL
000055RR
550055CC
110055RR
000055AATT
440055LL
110055CC 330055CC
330055LL
000055CC
220055CC
PP__CCIIMMXXUUAA
NN__CCIIMMXXUUAA
CCIIMM__RRAAEE
4
0
3
T
A
B
BH204
C126
C127
8
2
1
C
C129
0
3
1
C
1
3
1
C
C132
C133
1
4
1
C
2
4
1
C
C144
5
4
1
C
0
5
1
C
9
4
1
C
4
3
2
C
C300
7
3
3
C
1
4
3
C
2
5
3
C3
5
3
C
4
5
3
C
1
0
4
C
2
0
4
C
0
2
4
C
9
2
4
C
C515
C521
C522
0
0
4
A
E
H
HEA504
L123
4
2
1
L
L126
5
0
4
L
L501
L502
1
0
4
C
I
M
8
0
1
R
2
1
1
R
3
1
1
R
R116
R301
3
0
3
R
R312
3
1
3
R
SLC400
TA305
TP500 TP501TP503
6
0
1
U
U202
0
1
3
U
1
1
3
U
ZD300
0
0
4
D
Z
7
0
4
D
Z
0
1
4
D
Z
MIC400
ddeessoollCCCCIIMM
))CCIIMMVVCCRR((
))CCIIMMKKPPSS((
ddeessoollCCCCIIMM
880044CC
770044CC 11 TTUUOO
RRWWPP
44
000044CCIIMM
DDNNGG
22
33 DDNNGG
55 DDNNGG DDNNGG
66
SSAAIIBB__CCIIMM
DDNNGG DDNNGG
33
DDNNGG
55
66 DDNNGG
TTUUOO
11
44 RRWWPP
110044CCI
IMM
22
002244CC
112244CC
881144CC
990044CC
SSAAIIBB__CCIIMM
992244CC
DDNNGG__UUMM
PPUU__NNCCIIMM
PPUU__PPCCIIMM
DDNNGG__UUMM DDNNGG__UUMM
NNWWOODD__PPCCIIMM
DDNNGG__DDMM
DDNNGG__DDMM
NN
WWOODD__NN
CCIIMM
DDNNGG__DDMM

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Flow Chart of Troubleshooting
9-11
9-6. Speaker Part(Melody)
Speaker does not work
Is the terminal of speaker
OK? check the speaker
No
Yes
No Resolder SPK_P (L409) &SPK_N
(L410)
Check the
SPK_P &SPK_N
"HIGH"
Yes
①
Yes
②
Change speaker
Is speaker OK?
END
No
No
Yes
Check the output circuit of
U504(Audio AMP) Change or resolder around U304

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Flow Chart of Troubleshooting
This Document can not be used without Samsung's authorization
9-12
L410
L409
11
2
2
SPK_PAD
L400
C400
L401
ZD401 ZD402
SPK_P
SPK_N
C140
C235
C236
1
0
3
C
C302
3
0
3
C
C304
C305
C306
C308
0
1
3
C
1
1
3
C
C318
0
2
3
C
C325
C331
C336
C344
C347
C349
C357
8
5
3
C
9
0
4
L
L410
0
0
3
C
S
O
R109
8
1
3
R
9
1
2
P
T
0
0
3
P
T
2
0
1
U
U301
U304

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Flow Chart of Troubleshooting
9-13
9-7. Key Data Input
>>YYEEKKBBUUSS<<
>>YYEEKKEEMMUULLOOVV<< >>YYEEKKeeddooMM&&aarreemmaaCC<<
EESSUUAAPP//YYAALLPP
2211
DDNNEESS
2211
660055CC
FFFF
2211
WWEERR
2211
DDNNEE
KKOO
2211
11
22 22
33
33
44 44
000055CCPPFF
11
550055DDZZ
332255CC
440055DDZZ
330055DDZZ
22
22
33
33
44
44
110055CCPPFF
11 11440055CC
))00((LLOOCC__YYEEKK
))00((WWOORR__YYEEKK
))22((WWOORR__YYEEKK
))11((WWOORR__YYEEKK
))00((WWOORR__YYEEKK
))22((LLOOCC__YYEEKK
))11((LLOOCC__YYEEKK
))00((LLOOCC__YYEEKK
YYEEKKNNOOPP
))11((LLOOCC__YYEEKK
))00((LLOOCC__YYEEKK
))11((WWOORR__YYEEKK
))11((LLOOCC__YYEEKK
Check Initial Operation
Yes
When one of the keys is
pushed,
is it displayed on LCD?
Check the Dome sheet &FPCB KEY
No
Yes
When one of the keys is
pushed,
KBIO signal is OK?
Replace the FPCB key Resolder
No
Yes
END

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Flow Chart of Troubleshooting
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9-14
9-8. Camera part
"Camera" function does not work
Yes
Check the Camera
connector on PBA Reconnect the camera module
No
Yes
Is there another problem?
Yes
Replace the camera
module
END