GSM TELEPHONE
GT-M2520L
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
MAIN Electrical Parts List
6.
Design LOC SEC CODE Discription
ZD505 0403-001547 TDZ5.6
ZD601 0406-001241 NUP5120X6T2G
ZD603 0406-001241 NUP5120X6T2G
ZD401 0406-001254 UCLAMP0501P
ZD402 0406-001254 UCLAMP0501P
ZD403 0406-001254 UCLAMP0501P
ZD404 0406-001254 UCLAMP0501P
ZD500 0406-001256 RCLAMP0504P.TCT
ZD607 0406-001267 RCLAMP0521P
ZD608 0406-001267 RCLAMP0521P
ZD504 0406-001288 PESD5V0S1UL
ZD600 0406-001288 PESD5V0S1UL
ZD602 0406-001288 PESD5V0S1UL
ZD501 0406-001369 RCLAMP3654P.TCT
LED600 0601-002652 AOT-TAWE-XXLM
LED601 0601-002652 AOT-TAWE-XXLM
LED602 0601-002652 AOT-TAWE-XXLM
LED603 0601-002652 AOT-TAWE-XXLM
LED604 0601-002652 AOT-TAWE-XXLM
LED605 0601-002652 AOT-TAWE-XXLM
U301 0801-002995 NC7SZ332L6X
U201 0801-003024 TC7SG32AFS
U502 0801-003065 TC7SH04FS
U501 1001-001585 SC900776EDR2
U302 1009-001035 HED58XXU12
U401 1201-002864 MAX9877AERP-T
PAM100 1201-002896 SKY77531-21
U402 1202-001068 TC75S56FE
U405 1202-001068 TC75S56FE
U600 1203-004291 RP150K006A-TR
U404 1203-005298 RP103K261D-TR
U300 1203-005658 AAT3696SIWP-T1
U403 1204-002924 SI4705-B20-GMR
U200 1205-003409 USB1T1103MHX
U100 1205-003517 BC63B239A04-IYB-E4S
RFT100 1205-003563 PMB6271
UCD300 1205-003650 G-AX113E-E-161FG-DT
UCP200 120 5-003749 DX113EPC7AJ292VG-DT
TH300 1404-001165 NTCCM10054BH103HC
VR200 1405-001082 VC040205X150R
R416 2007-000137 RC1005J202CS
R417 2007-000137 RC1005J202CS
R207 2007-000138 RC1005J101CS
R212 2007-000138 RC1005J101CS
R213 2007-000138 RC1005J101CS
R214 2007-000138 RC1005J101CS
R215 2007-000138 RC1005J101CS
6-1
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Main Electrical Parts List
Design LOC SEC CODE Discription
R216 2007-000138 RC1005J101CS
R217 2007-000138 RC1005J101CS
R219 2007-000138 RC1005J101CS
R221 2007-000138 RC1005J101CS
R222 2007-000138 RC1005J101CS
R223 2007-000138 RC1005J101CS
R225 2007-000138 RC1005J101CS
R306 2007-000138 RC1005J101CS
R418 2007-000138 RC1005J101CS
R427 2007-000138 RC1005J101CS
R429 2007-000138 RC1005J101CS
R431 2007-000138 RC1005J101CS
R509 2007-000138 RC1005J101CS
R605 2007-000138 RC1005J101CS
R614 2007-000138 RC1005J101CS
R615 2007-000138 RC1005J101CS
R616 2007-000138 RC1005J101CS
R100 2007-000139 RC1005J221CS
R203 2007-000139 RC1005J221CS
R426 2007-000141 RC1005J222CS
R601 2007-000141 RC1005J222CS
R602 2007-000141 RC1005J222CS
R202 2007-000143 RC1005J472CS
R505 2007-000143 RC1005J472CS
R506 2007-000143 RC1005J472CS
R307 2007-000144 RC1005J512CS
R208 2007-000147 RC1005J822CS
R209 2007-000147 RC1005J822CS
R101 2007-000148 RC1005J103CS
R301 2007-000148 RC1005J103CS
R309 2007-000148 RC1005J103CS
R503 2007-000148 RC1005J103CS
R104 2007-000157 RC1005J473CS
R211 2007-000157 RC1005J473CS
R218 2007-000157 RC1005J473CS
R310 2007-000157 RC1005J473CS
R315 2007-000157 RC1005J473CS
R308 2007-000159 RC1005J563CS
R311 2007-000162 RC1005J104CS
R415 2007-000162 RC1005J104CS
R428 2007-000162 RC1005J104CS
R507 2007-000162 RC1005J104CS
R510 2007-000162 RC1005J104CS
R412 2007-000165 RC1005J204CS
R422 2007-000165 RC1005J204CS
R604 2007-000168 RC1005J474CS
R424 2007-000170 RC1005J105CS
6-2
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Design LOC SEC CODE Discription
R425 2007-000170 RC1005J105CS
R432 2007-000170 RC1005J105CS
R434 2007-000170 RC1005J105CS
R607 2007-000172 RC1005J100CS
R608 2007-000172 RC1005J100CS
R609 2007-000172 RC1005J100CS
R610 2007-000172 RC1005J100CS
R611 2007-000172 RC1005J100CS
R612 2007-000172 RC1005J100CS
R406 2007-000173 RC1005J220CS
R407 2007-000173 RC1005J220CS
R224 2007-000242 RC1005J152CS
R409 2007-000242 RC1005J152CS
R228 2007-000758 RC1005J334CS
R229 2007-000758 RC1005J334CS
R437 2007-001119 RC1005J681CS
R400 2007-001284 RC1005J4R7CS
R401 2007-001284 RC1005J4R7CS
R226 2007-001292 RC1005J330CS
R227 2007-001292 RC1005J330CS
R230 2007-001333 MCR01MZP5J183
R102 2007-003015 MCR01MZP5J2R2
R200 2007-003015 MCR01MZP5J2R2
R305 2007-007148 RC1005J362CS
R419 2007-007155 TSR16GJ621V
R430 2007-007197 TSR16GJ3R3V
R300 2007-007308 MCR01MZP5F3302
R402 2007-007311 MCR01MZP5F2202
R302 2007-007314 MCR01MZP5F5601
R508 2007-007480 RK73H1ETP1303F
R420 2007-007592 RK73H1ETP2703F
R433 2007-007943 RK73H1ETP5603F
R603 2007-008811 MCR01MZPJ1R5
C110 2203-000233 GRP1555C1H101J
C115 2203-000233 GRP1555C1H101J
C134 2203-000233 GRP1555C1H101J
C139 2203-000233 GRP1555C1H101J
C418 2203-000233 GRP1555C1H101J
C126 2203-000254 GRP155R71C103K
C131 2203-000254 GRP155R71C103K
C210 2203-000254 GRP155R71C103K
C305 2203-000254 GRP155R71C103K
C323 2203-000254 GRP155R71C103K
C324 2203-000254 GRP155R71C103K
C325 2203-000254 GRP155R71C103K
C327 2203-000278 GRP1555C1H100D
C328 2203-000278 GRP1555C1H100D
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
Design LOC SEC CODE Discription
C125 2203-000386 GRP1555C1H150J
C408 2203-000386 GRP1555C1H150J
C423 2203-000386 GRP1555C1H150J
C427 2203-000386 GRP1555C1H150J
C600 2203-000425 GRP1555C1H180J
C306 2203-000438 GRP155R71H102K
C102 2203-000812 GRP1555C1H330J
C119 2203-000812 GRP1555C1H330J
C120 2203-000812 GRP1555C1H330J
C122 2203-000812 GRP1555C1H330J
C123 2203-000812 GRP1555C1H330J
C400 2203-000812 GRP1555C1H330J
C401 2203-000812 GRP1555C1H330J
C500 2203-000812 GRP1555C1H330J
C501 2203-000812 GRP1555C1H330J
C604 2203-000812 GRP1555C1H330J
C605 2203-000812 GRP1555C1H330J
C607 2203-000812 GRP1555C1H330J
C425 2203-000854 GRP1555C1H390J
C436 2203-000854 GRP1555C1H390J
C603 2203-000940 GRP155R71H471K
C101 2203-000995 GRP1555C1H470J
C141 2203-000995 GRP1555C1H470J
C334 2203-000995 GRP1555C1H470J
C310 2203-001124 GRP155R71H681KD01E
C426 2203-001153 GRP1555C1H680J
C429 2203-001153 GRP1555C1H680J
C117 2203-002668 C1005CG1H0R5BT
C118 2203-002668 C1005CG1H0R5BT
C124 2203-002709 C1005Y5V1C104ZT
C142 2203-005053 GRP1555C1H3R9CZ01E
C143 2203-005053 GRP1555C1H3R9CZ01E
C132 2203-005281 GRP1555C1H1R5BZ01E
C129 2203-005050 GRP1555C1H1R5BZ01E
C135 2203-005050 GRP1555C1H1R5BZ01E
C140 2203-005382 GRP1555C1H6R0BZ01E
C137 2203-005446 GRP1555C1H2R7BZ01E
C138 2203-005446 GRP1555C1H2R7BZ01E
C432 2203-005483 GRP155R61A683KA01E
C433 2203-005483 GRP155R61A683KA01E
C121 2203-005736 GRP0335C1E101JD01E
C410 2203-006047 C1005X7R1C333K
C411 2203-006047 C1005X7R1C333K
C100 2203-006048 GRM155R71A104K
C200 2203-006048 GRM155R71A104K
C201 2203-006048 GRM155R71A104K
C203 2203-006048 GRM155R71A104K
6-4
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Design LOC SEC CODE Discription
C204 2203-006048 GRM155R71A104K
C205 2203-006048 GRM155R71A104K
C206 2203-006048 GRM155R71A104K
C208 2203-006048 GRM155R71A104K
C209 2203-006048 GRM155R71A104K
C215 2203-006048 GRM155R71A104K
C217 2203-006048 GRM155R71A104K
C218 2203-006048 GRM155R71A104K
C301 2203-006048 GRM155R71A104K
C302 2203-006048 GRM155R71A104K
C303 2203-006048 GRM155R71A104K
C304 2203-006048 GRM155R71A104K
C308 2203-006048 GRM155R71A104K
C315 2203-006048 GRM155R71A104K
C330 2203-006048 GRM155R71A104K
C336 2203-006048 GRM155R71A104K
C337 2203-006048 GRM155R71A104K
C403 2203-006048 GRM155R71A104K
C417 2203-006048 GRM155R71A104K
C421 2203-006048 GRM155R71A104K
C434 2203-006048 GRM155R71A104K
C504 2203-006048 GRM155R71A104K
C321 2203-006257 GRM155R60J474KE19E
C428 2203-006257 GRM155R60J474KE19E
C111 2203-006260 GRM155R61A224KE19E
C419 2203-006260 GRM155R61A224KE19E
C420 2203-006260 GRM155R61A224KE19E
C307 2203-006348 CV105X5R105K25AT
C116 2203-006399 GRM155R60J105KE19D
C326 2203-006399 GRM155R60J105KE19D
C329 2203-006399 GRM155R60J105KE19D
C338 2203-006399 GRM155R60J105KE19D
C340 2203-006399 GRM155R60J105KE19D
C341 2203-006399 GRM155R60J105KE19D
C342 2203-006399 GRM155R60J105KE19D
C343 2203-006399 GRM155R60J105KE19D
C409 2203-006399 GRM155R60J105KE19D
C416 2203-006399 GRM155R60J105KE19D
C422 2203-006399 GRM155R60J105KE19D
C505 2203-006399 GRM155R60J105KE19D
C507 2203-006399 GRM155R60J105KE19D
C609 2203-006399 GRM155R60J105KE19D
C312 2203-006562 CV05X5R105K10AH
C314 2203-006562 CV05X5R105K10AH
C316 2203-006562 CV05X5R105K10AH
C320 2203-006562 CV05X5R105K10AH
C404 2203-006562 CV05X5R105K10AH
Main Electrical Parts List
6-5
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Main Electrical Parts List
Design LOC SEC CODE Discription
C405 2203-006562 CV05X5R105K10AH
C406 2203-006562 CV05X5R105K10AH
C412 2203-006562 CV05X5R105K10AH
C414 2203-006562 CV05X5R105K10AH
C415 2203-006562 CV05X5R105K10AH
C601 2203-006562 CV05X5R105K10AH
C602 2203-006562 CV05X5R105K10AH
C606 2203-006562 CV05X5R105K10AH
C610 2203-006562 CV05X5R105K10AH
C615 2203-006562 CV05X5R105K10AH
C332 2203-006824 CV105X5R475K10AT
C344 2203-006838 CL05A225KQ5NSNC
C112 2203-006839 CL03A104KP3NNNC
C109 2203-006872 GRM155R60J225ME15D
C127 2203-006872 GRM155R60J225ME15D
C128 2203-006872 GRM155R60J225ME15D
C212 2203-006872 GRM155R60J225ME15D
C309 2203-006872 GRM155R60J225ME15D
C339 2203-006872 GRM155R60J225ME15D
C611 2203-006872 GRM155R60J225ME15D
C612 2203-006872 GRM155R60J225ME15D
C502 2203-006901 TV105X5R105K25AT055
C333 2203-007133 CL21A106KOCLRNC
C319 2203-007147 CL21A226MQCLRNC
C113 2203-007279 CV105X5R106M10AT
C402 2203-007279 CV105X5R106M10AT
C322 2203-007317 CV05X5R475M06AH
TA400 2404-001377 F 980J226MMA
TA501 2404-001381 F981A106MMA
TA500 2404-001474 F951A476MPAL ZTQ2
TA502 2404-001496 TLJR336M010R3500
L108 2703-001178 LL1005-FH3N3S
L503 2703-001513 0603CS-R10XJBC
L110 2703-001747 LL1005-FH4N7S
L115 2703-001747 LL1005-FH4N7S
L111 2703-001749 LL1005-FH1N0S
L113 2703-002176 CIH05T2N7SNC
L121 2703-002198 CIH05T10NJNC
L105 2703-002200 CIH05T18NJNC
L106 2703-002200 CIH05T18NJNC
L103 2703-002204 CIH05T22NJNC
L104 2703-002204 CIH05T22NJNC
L118 2703-002204 CIH05T22NJNC
L117 2703-002268 CIH05T8N2JNC
L120 2703-002269 CIH05T56NJNC
L107 2703-002369 CIH05T1N5SNC
L122 2703-002506 LL1005-FH1N5S
6-6
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Design LOC SEC CODE Discription
L301 2703-003297 APIS08G4R7MT
OSC300 2801-004339 FC-135(0.032768MHz)
OSC100 2801-004683 CX3225SB26000D0FLF47
F603 2901-001469 AVRC-18S-03Q-007-010R
F604 2901-001469 AVRC-18S-03Q-007-010R
F601 2901-001547 EMIF08-1005M16
F602 2901-001547 EMIF08-1005M16
F100 2904-001862 SFRM81PZ002
F101 2904-001863 SFRG42PZ002
F102 2909-001283 LFB212G45BA1A220
MIC400 3003-001136 SPU0410HR5H
L302 3301-001342 ACZ1005M-152-T
L604 3301-001342 ACZ1005M-152-T
L504 3301-001534 BLM15AG121SN1D
L404 3301-001729 BLM15AG102SN1D
L405 3301-001729 BLM15AG102SN1D
R436 3301-001729 BLM15AG102SN1D
L401 3301-001812 BLM15HD102SN1
L402 3301-001812 BLM15HD102SN1
L406 3301-001812 BLM15HD102SN1
L606 3301-001812 BLM15HD102SN1
L300 3301-001879 MPZ1005S100CT
L500 3301-001885 BLM15HD182SN1D
L501 3301-001885 BLM15HD182SN1D
L502 3301-001885 BLM15HD182SN1D
L505 3301-001912 BLM15BA220SN1D
TAC600 3404-001152 LS10N2-T
TAC601 3404-001152 LS10N2-T
TAC602 3404-001152 LS10N2-T
RFS100 3705-001503 KMS-560
CN400 3708-002222 FH26-21S-0.3SHBW
CD600 3709-001394 SCHB1A0103
SIM600 3709-001447 5000-6P-1.9S
HDC600 3711-006028 14-5805-040-000-829
BTC500 3711-006808 KQ03SB1-3R
IFC500 3722-002840 HY07-AB0700
EAR500 3722-002876 IJAN4-13
ANT101 4202-001502 AMAN402012SS117
BAT300 4302-001130 RB414_IV02N
UCP200UP 1108-000270 JZ 58F0101M0Y0GE
Main Electrical Parts List
Please consult the GSPN website (Samsung Portal) for the most recent version of the
6-7
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
product's par t list.
9. Flow Chart of Troubleshooting
9-1-1.
Power ON
Power On' does not work
'
Check the current consumption
Yes
Current consumption
Check the Vbat Voltage
Voltage
Check the pin of UCD3
Pin#M7
>= 100
Pin#A6
Pin#D6
in#L8
P
mA
Yes
>=3.3V
Yes
:1.8V
:2.9V
Yes
=2.9V
=1.8V
No
No
00
No
Check UCD300and
No
Check UCD300 and C301,C303
Download again
Charge the Battery
C343,
C344
Yes
Check the clock signal at pin#12of RFT100
Freq
Vrms
Vpp
Check the initial operation
≒
=26
>=300
1000
END
MHz
mV
mV
Yes
Yes
No
Check the clock generation circuit
relatedtoOSC
(
100,
Pin9,Pin10,
)
9-1
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
C
C
C
3
3
3
0
4
0
3
0
C302
C329
C
C
4
4
C326
3
2
3
5
C336
C
C
4
4
C342
3
3
2
6
C340
C339
C341
C
C304
3
3
C337
3
C335
C
3
3
8
C319
L301
T
-
D
E
-
E
-
1
6
1
F
G
0
0
C331
C332
1
1
3
3
D
C
U
C344
C
3
2
0
DCDC_OUT
VRF_2.9V
A
C
_
_
V
V
V
5
2
2
.
.
.
1
1
1
_
_
_
F
D
D
R
C
C
V
C
C
V
V
7
8
3
3
3
3
C
C
TH300
R300
R302
HI_MONO_OUT_N
HI_MONO_OUT_P
LO_MONO_OUT_N
LO_MONO_OUT_P
MAIN_MIC_IN_N
MAIN_MIC_IN_P
EAR_MIC_IN_N
EAR_MIC_IN_P
STEREO_OUT_L
STEREO_OUT_R
C323 C325C324
V
V
V
8
8
8
.
.
.
2
1
2
_
_
_
T
D
A
B
S
C
V
V
C
V
0
9
4
3
3
3
C
C
RADIO_L
RADIO_R
PWR_KEEP
JIG_ON
PWR_ON
V
9
.
2
_
D
C
C
V
1
4
3
C
EAR_ADC
ICHRG
C305
V
8
.
1
_
PAM_VRAMP
D
C
C
V
VLDO_COREA_S
3
2
4
4
3
3
C
C
R301
KEY_BL1
KEY_BL2
RXTX_DATA
RXTX_EN
RTX_I_N
RTX_I_P
RTX_Q_N
RTX_Q_P
TXPSTB
4
4
3
C
C306
G
-
A
X
C306
C
R
3
3
2
0
1
1
C304
A4
B4
B3
A2
B1
C1
C2
D1
D2
M3
M2
L3
L2
R13
R14
R12
P11
G13
J13
G12
G11
N15
L13
K15
K14
H11
J12
M14
M13
P6
E5
C4
F14
J5
H6
J6
D7
C7
D9
N2
R2
J4
J3
K3
K4
H5
L5
P13
P12
C10
A6
D6
E14
F12
D14
C15
B15
C12
D13
1
C
C303
3
2
8
O
C
S
3
2
C
7
3
0
C
0
3
1
5
C
C
C
3
3
3
1
0
0
0
9
8
C
C
C
3
3
3
2
2
2
5
4
3
C305
TH300
R300
R302
VCCD_2.9V VCCA_2.8V
C301
C300
0
5
4
2
5
1
7
1
2
1
1
1
1
1
1
N
K
M
L
P
N
D
C
N
1
0
6
7
8
8
9
9
4
1
6
1
1
F
F
F
F
F
K
K
K
K
E
N
5
K
0
1
F
4
8
L
P
1
6
1
G
F
VCCD_1.8V
UCD300
7
8
9
G
G
G
0
0
1
C
S
O
1
C115
C116
L110L115
C
C
C
1
1
1
4
3
3
7
8
3
C303C302
AX113E
B6
SIM_CLK
E6
SIM_IO
B5
SIM_RST
N5
SIM1_CLK
L6
SIM1_DATA
M6
SIM1_RST
E3
F3
F2
P1
CNTL_DAT_CSP
N9
CNTL_EN_CSP
D10
VBAT
G5
N7
AINT
B11
F1
L9
DINT
B12
B13
L301
D3
L10
PSW1_BUF
R3
RTC_CLK
P3
SCUSTB
C9
A12
F5
C5
N4
K7
E8
E9
MOTOR_EN
L7
VIB_RNG_EN
N6
CLK26M_ABB
R6
CLK_EN_ABB
R4
FLASH_RST
P5
RST
G4
G3
K13
VAMICREF
K10
K12
J11
C326
L14
F13
K11
C329
M10
UP_CS
P10
UP_SCLK
R10
UP_SDI
M9
UP_SDO
B10
C6
E13
E11
E2
A14
1
2
5
0
0
7
8
9
7
1
1
J
H
H
H
H
G
1
4
3
5
0
0
1
7
3
9
8
1
1
1
1
1
1
1
J
J
E
A
M
J
F
C
A
A
N
M
C335
GND_SW
C336
C110C111
7
B
6
2
F
1
0
T
0
L
1
0
6
C
1
4
2
VRF_2.9VVSYN_2.8V
C308 C310
C309
C315
DCDC_OUT
C319
GND_SW
VSIM_2.9V
C320
OSC300
VBAT
C331
C103
M
P
C100
R100
C109
R
C108
L
L
L
1
1
1
0
0
0
5
4
3
C117C118
R307
1
POS
BAT300
2
NEG
C321
C328C327
VBAT
C332
C333
GND_SW
VRF_2.9V
R100
VRF_2.9V
C111
26MHZ_BT
RTX_I_P
RTX_I_N
RTX_Q_P
RTX_Q_N
C103
C100
OSC100
2431
C101
C102
1
7
0
8
9
2
3
4
5
3
2
3
2
2
3
3
3
3
1
2
3
4
5
C110
6
7
8
9
10
RFT100
1
2
1
1
26
25
GSM850_LNA_IN_N
24
GSM850_LNA_IN_P
23
GSM900_LNA_IN_N
22
GSM900_LNA_IN_P
21
20
DCS_LNA_IN_N
19
DCS_LNA_IN_P
18
PCS_LNA_IN_N
17
SBLE
SBDT
SBCK
CLK26M_DBB
PCS_LNA_IN_P
6
5
4
3
1
1
1
1
C115
GSM_PAM_IN
DPCS_PAM_IN
VRF_1.5V
VRF_1.5V
C109C108
C116
9-2
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
9-1-2.
Initial
Initial Failure
Yes
The pin#A6 of UCD3
1.8V
the pin#D6 ofUCD3
2.9V ?
Is the pin#P5 of UCD300
Low→High"
"
There is
forms at the
32.768
and
C327
00 =
00 =
Yes
?
Yes
kHz wave
and
C328
No
No
No
if it has some problem, it is to be replaced.)
(
if it has some problem, it is to be replaced.)
(
Check the UCD300
Check the UCD300
Check the UCD300
Yes
The voltage is"High" at the
C301,C302,C303
Yes
LCD display is O.K
Yes
Sound is O.K
Yes
END
No
Check the UCD300
No
Check the LCD part
No
Check the Audio part
9-3
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
C
C
C
3
3
3
0
0
4
3
1
C305
R302
0
C
C303
3
2
8
O
C
S
3
2
C
7
3
0
C
0
3
1
5
C
C
C
3
3
3
0
0
1
8
9
0
C
C
C
3
3
3
2
2
2
5
4
3
TH300
R300
C302
C329
C
C
4
4
C326
2
3
5
3
C336
C
C
4
4
C342
3
3
2
6
C340
C339
C341
C
C304
3
3
C337
3
C335
C
3
3
8
C319
L301
1
F
6
-
T
D
G
-
-
3
1
E
E
1
1
X
-
A
G
0
3
0
C331
C332
U
C
D
C344
C306
C
R
C
3
3
3
0
2
2
1
0
1
VCCD_2.9V VCCA_2.8V
C300
DCDC_OUT
VRF_2.9V
A
C
_
_
V
V
V
5
2
2
.
.
.
1
1
1
_
_
_
F
D
D
R
C
C
V
C
C
V
V
TH300
R300
R302
HI_MONO_OUT_N
HI_MONO_OUT_P
LO_MONO_OUT_N
LO_MONO_OUT_P
MAIN_MIC_IN_N
MAIN_MIC_IN_P
EAR_MIC_IN_N
EAR_MIC_IN_P
RADIO_L
RADIO_R
STEREO_OUT_L
STEREO_OUT_R
PWR_KEEP
PWR_ON
C323 C325C324
V
V
V
8
8
8
.
.
.
2
1
2
_
_
_
T
D
A
B
S
C
V
V
C
V
JIG_ON
V
9
.
2
_
D
C
C
V
EAR_ADC
C305
V
8
.
1
_
D
C
C
V
ICHRG
R301
KEY_BL1
KEY_BL2
RXTX_DATA
RXTX_EN
RTX_I_N
RTX_I_P
RTX_Q_N
RTX_Q_P
PAM_VRAMP
TXPSTB
VLDO_COREA_S
7
9
0
8
3
3
3
3
3
3
C
C
C
2
4
3
1
4
4
4
4
4
3
3
3
3
3
C
C
C
C
C
C304
4
2
7
1
1
1
N
M
C
N
A4
B4
B3
A2
B1
C1
C2
D1
C306
D2
M3
M2
L3
L2
R13
R14
R12
P11
G13
J13
G12
G11
N15
L13
K15
K14
H11
J12
M14
M13
P6
E5
C4
F14
J5
H6
J6
D7
C7
D9
N2
R2
J4
J3
K3
K4
H5
L5
P13
P12
C10
A6
D6
E14
F12
D14
C15
B15
C12
D13
1
9
8
4
1
6
1
F
K
K
K
K
N
VCCD_1.8V
C301
0
5
5
1
2
5
1
1
1
1
K
K
L
P
N
D
0
0
9
7
8
6
1
1
F
F
F
F
F
E
C303C302
AX113E
4
8
L
P
UCD300
0
1
8
7
9
6
7
1
1
H
G
G
G
G
F
G
5
0
4
0
8
H
1
9
9
7
8
1
1
1
1
J
J
J
H
M
J
H
N
M
B6
SIM_CLK
E6
SIM_IO
B5
SIM_RST
N5
SIM1_CLK
L6
SIM1_DATA
M6
SIM1_RST
E3
F3
F2
P1
CNTL_DAT_CSP
N9
CNTL_EN_CSP
D10
VBAT
G5
N7
AINT
B11
F1
L9
DINT
B12
B13
L301
D3
L10
PSW1_BUF
R3
RTC_CLK
P3
SCUSTB
C9
A12
F5
C5
N4
K7
E8
E9
MOTOR_EN
L7
VIB_RNG_EN
N6
CLK26M_ABB
R6
CLK_EN_ABB
R4
FLASH_RST
P5
RST
G4
G3
K13
VAMICREF
K10
K12
J11
C326
L14
F13
K11
C329
M10
UP_CS
P10
UP_SCLK
R10
UP_SDI
M9
UP_SDO
B10
C6
E13
E11
E2
A14
1
2
C335
1
0
3
5
3
7
1
1
1
1
E
A
F
C
A
A
GND_SW
C336
VRF_2.9VVSYN_2.8V
C308 C310
C309
C315
DCDC_OUT
C319
GND_SW
VSIM_2.9V
C320
OSC300
VBAT
C331
R307
1
POS
BAT300
2
NEG
C321
C328C327
VBAT
C332
C333
GND_SW
9-4
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
9-1-3.
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
600)
SIM card
Yes
of SIM
600 >= 2.8V ?
Yes
Is there any signals
600 ?
No
No
No
Resolder or change SIM
Check the UCD300
Check the UCD3
600
00
Yes
Check the SIM Card
END
9-5
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
VSIM_2.9V
SIM_RST
SIM_CLK
C604
Flow Chart of Troubleshooting
C
C
SIM600
C302
615141
6
5
4
SIM_IO
12
11
10
13
C607
1
2
3
7
8
C605C603
9
C
4
2
5
C
4
3
6
C304
C337
C341
C329
C
4
C326
3
3
C336
C
4
C342
3
2
C340
C339
C
3
3
3
C335
C
3
3
8
C319
L301
1
F
-
D
G
T
0
1
6
0
C331
C332
1
1
3
E
-
E
-
U
C
D
3
C344
C
3
2
0
C
3
3
3
0
4
0
0
3
1
X
-
A
G
C
C303
3
2
8
O
C
S
3
2
C
7
3
0
C
0
3
1
5
C
C
C
3
3
3
1
0
0
0
9
8
C
C
C
3
3
3
2
2
2
3
4
5
C306
R
C
C305
3
0
1
TH300
3
2
1
R302
R300
7
3
3
C
C
_
V
2
.
1
_
D
C
C
V
VRF_2.9V
V
5
.
1
_
F
R
V
8
3
3
C
A
_
V
2
.
1
_
D
C
C
V
TH300
R300
R302
HI_MONO_OUT_N
HI_MONO_OUT_P
LO_MONO_OUT_N
LO_MONO_OUT_P
MAIN_MIC_IN_N
MAIN_MIC_IN_P
EAR_MIC_IN_N
EAR_MIC_IN_P
STEREO_OUT_L
STEREO_OUT_R
PWR_KEEP
C323 C325C324
V
V
V
8
8
8
.
.
.
2
1
2
_
_
_
T
D
A
B
S
C
V
V
C
V
0
9
1
4
3
4
3
3
3
C
C
C
RADIO_L
RADIO_R
JIG_ON
PWR_ON
V
9
.
2
_
D
C
C
V
DCDC_OUT
EAR_ADC
ICHRG
C305
RXTX_DATA
V
8
.
1
_
PAM_VRAMP
D
C
C
V
VLDO_COREA_S
2
3
4
4
3
3
C
C
R301
KEY_BL1
KEY_BL2
RXTX_EN
RTX_I_N
RTX_I_P
RTX_Q_N
RTX_Q_P
TXPSTB
4
4
3
C
C306
VCCD_2.9V VCCA_2.8V
C300
C304
2
4
7
1
1
1
N
M
N
C
A4
B4
B3
A2
B1
C1
C2
D1
D2
M3
M2
L3
L2
R13
R14
R12
P11
G13
J13
G12
G11
N15
L13
K15
K14
H11
J12
M14
M13
P6
E5
C4
F14
J5
H6
J6
D7
C7
D9
N2
R2
J4
J3
K3
K4
H5
L5
P13
P12
C10
A6
D6
E14
F12
D14
C15
B15
C12
D13
1
6
9
8
4
1
1
F
K
K
K
K
N
VCCD_1.8V
C301
0
5
5
1
2
5
1
1
1
1
K
K
P
L
N
D
0
0
9
8
7
6
1
1
F
F
F
F
F
E
C303C302
4
8
L
P
UCD300
0
1
9
6
7
7
8
8
9
1
1
H
H
H
G
G
G
G
F
G
AX113E
C308 C310
C315
C336
VRF_2.9VVSYN_2.8V
C309
DCDC_OUT
C319
GND_SW
C320
C331
VSIM_2.9V
OSC300
VBAT
C332
C321
VBAT
R307
1
POS
BAT300
2
NEG
C328C327
C333
GND_SW
B6
SIM_CLK
E6
SIM_IO
B5
SIM_RST
N5
SIM1_CLK
L6
SIM1_DATA
M6
SIM1_RST
E3
F3
F2
P1
CNTL_DAT_CSP
N9
CNTL_EN_CSP
D10
VBAT
G5
N7
AINT
B11
F1
L9
DINT
B12
B13
L301
D3
L10
PSW1_BUF
R3
RTC_CLK
P3
SCUSTB
C9
A12
F5
C5
N4
K7
E8
E9
MOTOR_EN
L7
VIB_RNG_EN
N6
CLK26M_ABB
R6
CLK_EN_ABB
R4
FLASH_RST
P5
RST
G4
G3
K13
VAMICREF
K10
K12
J11
C326
L14
F13
K11
C329
M10
UP_CS
P10
UP_SCLK
R10
UP_SDI
M9
UP_SDO
B10
C6
E13
E11
E2
A14
1
2
C335
5
4
0
7
8
1
J
J
H
1
0
3
5
0
1
7
3
9
1
1
1
1
1
1
1
J
E
A
M
J
F
N
C
A
A
M
GND_SW
9-6
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization
Flow Chart of Troubleshooting
9-1-4.
Microphone Part
Microphone does not work
Is the assembled status of
microphone O.K?
Check the reference voltage on mic path
Yes
No
Reassembled the microphone
Yes
Yes
On booting,
VAMICREF
On booting,
between MIC+
END
≒
2.5V ?
Yes
≒0.9
Yes
V?
No
No
Check UCD300 or R436
Resolder or change
L404,L405,C432,C433
①
②
9-7
SAMSUNG Proprietary-Contents may change without notice
This Document can not be used without Samsung's authorization