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ELECTRONICS

DUAL BAND Mobile Cellular Phone
SGH-T400

SERVICE
DUAL BAND MOBILE CELLULAR PHONE

Manual

CONTENTS
1. Exploded Views and Parts List 2. PCB Diagrams 3. Electrical Parts List 4. Block Diagrams 5. Flow Chart of Troubleshooting and Circuit Diagrams

1. Exploded Views and Parts List
1-1 1-2 1-3 1-4 1-5 1-6 1-7 1-8 1-9 1-10 Main Main Parts List Travel Adapter Travel Adapter Parts List Ciger Light Adapter Ciger Light Adapter Parts List Test Jig EAR Microphone Data Kit Battery Charger

2. PCB Diagrams
2-1 2-2 Main Top Main Bottom

3. Electrical Parts List
3-1 3-2 Main Parts List Top Main Parts List Bottom

4. Block Diagrams
4-1 4-2 Main Baseband Main RF 4-2-1 RF Transmit Part 4-2-2 RF Receive Part

5. Flow Chart of Troubleshooting and Circuit Diagrams
5-1 5-2 5-3 5-4 5-5 5-6 5-7 5-8 5-9 5-10 5-11 5-12 5-13 5-14 Power ON Initial Charging Part Sim Part Microphone Part Speaker Part Key Data Input Alert Tone Ring Indicator Back Light GSM Receiver GSM Transmitter DCS Receiver DCS Transmitter

Exploded Views and Parts List

1-1

1. SGH-T400 Exploded Views and Parts List
1-1 Main

1

2

10

3 4

11

5

12 14

13

8 9 6

16 15 18 17

7

19

20

21

22

1-2

Exploded Views and Parts List

1-2 Main Parts List

Location No.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22

Description
DUAL WINDOW LCD FOLDER UPPER LCD SPEAKER MOTOR FOLDER LOWER WINDOW LCD SCREW SCREW CAP FRONT COVER KEYPAD MAIN PBA VOLKEY F-PCB DOME SHEET MIC CONNECTOR COVER SIDE KEY ANTENNA REAR COVER RF/COVER SCREW BATTERY

SEC CODE
GH72-05005A GH75-02368A GH96-01231A 3001-001360 3101-001294 GH75-02369A GH72-05004A 6001-001429 GH74-03025A GH75-02367A GH75-02371A GH92-01367A GH59-00593A GH59-00598A GH59-00611A GH73-01331A GH75-02372A GH42-00236A GH75-02370A GH73-01332A 6001-001479 GH43-00662A

Remark

Exploded Views and Parts List

1-3

1-3 Travel Adapter

A

B

C

D

1-4 Travel Adapter Parts List

TYPE
A B C D

SEC CODE
GH44-00171A GH44-00184A GH44-00171C Gh44-00171E

REMARK
CHINA EUROPE UNITED KINGDOM TAIWAN

1-4

Exploded Views and Parts List

1-5 Ciger Light Adapter

1-6 Ciger Light Adapter Parts List

DESCRIPTION
Ciger Light Adapter Code

SEC CODE
GH44-00170A

REMARK
BLACK

Exploded Views and Parts List

1-5

1-7 Test Jig

TEST JIG

GH80-10508A

TEST JIG CABLE

GH39-00079A

RF CABLE

GH39-00182A

1-6

Exploded Views and Parts List

1-7-1 Test Jig

DC POWER SUPPLY

8922 or 8960 WIRELESS COMMUNICATIONS TEST SET

RF CABLE

232 CABLE

TEST JIG CABLE

Note PC

Exploded Views and Parts List

1-7

1-8 Wearable EAR Microphone

Wearable EAR Microphone

GH59-00394B

1-9 Data Kit

DATA KIT

GH39-00143B

1-10 Battery Charger

BATTERY CHARGER

GH44-00279A

1-8

Exploded Views and Parts List

2. PCB Diagrams
2-1 Main Top

PCB Diagrams

2-1

2-2 Main Bottom

PCB Diagrams

2-2

3. Electrical Parts List
3-1 Main Parts List Top
NO Refer ence
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 D300 D400 D314 Q100 Q302 Q305 Q103 Q101 Q102 Q306 Q303 U409 U407 U304 U106 U305 U405 U100 U406 U105 U103 TH1 V302 V405 V406 V301 V303 V400 V403 V407 V408 R105 R317 R468 R474 R106 R300 R313 R102

SEC CODE
0401-001033 0406-001083 0407-001007 0501-000225 0501-002011 0502-001201 0504-001049 0504-001058 0504-001058 0505-001332 0506-001004 0801-002540 1001-001145 1001-001183 1201-001889 1203-002127 1203-002187 1203-002598 1205-002035 1205-002185 1209-001434 1404-001256 1405-001018 1405-001019 1405-001019 1405-001082 1405-001082 1405-001082 1405-001082 1405-001093 1405-001093 2007-000138 2007-000138 2007-000138 2007-000139 2007-000140 2007-000140 2007-000140 2007-000141

Part Description
DIODE-SWITCHING;MCL4154 DIODE-TVS;ESDA6V1W5 DIODE-ARRAY;UMN1 TR-SMALL SIGNAL;2SC4617 TR-SMALL SIGNAL;2SD2114KT146V TR-POWER;ZXT13P20DE6 TR-DIGITAL;DTA114YET1 TR-DIGITAL;RN4985-TE85L TR-DIGITAL;RN4985-TE85L FET-SILICON;FDG6301N TR-ARRAY;UMC5NTL IC-CMOS LOGIC;NC7SZ19P6X IC-ANALOG SWITCH;MAX4599EXT-T IC-ANALOG SWITCH;MAX4684EUB COMP-SMD;RF3110 IC-BATTERY;LTC1734ES6-4.2#TR IC-BATTERY;MAX6326XR26-T COMP-SMD;LP2981AIMX-2.8 COMP-SMD;VP40578 IC-INTERFACE;SI4201-BM IC-PLL/SYNTHESISER;SI4133T-BM COMP-SMD;B57231-V2473-J60 VARISTOR;VC060314A300R VARISTOR;VC060305A150R VARISTOR;VC060305A150R VARISTOR;VC040205X150R VARISTOR;VC040205X150R VARISTOR;VC040205X150R VARISTOR;VC040205X150R COMP-SMD;AVL 14K 02 200 COMP-SMD;AVL 14K 02 200 "R-CHIP;100,5%" "R-CHIP;100,5%" "R-CHIP;100,5%" "R-CHIP;220,5%" "R-CHIP;1K,5%" "R-CHIP;1K,5%" "R-CHIP;1K,5%" "R-CHIP;2.2K,5%"

Vendor Part No.
MCL4154 ESDA6V1W5 UMN1 2SC4617 2SD2114KT146V ZXT13P20DE6 DTA114YET1 RN4985-TE85L RN4985-TE85L FDG6301N UMC5NTL NC7SZ19P6X MAX4599EXT-T MAX4684EUB RF3110 LTC1734ES6-4.2#TR MAX6326XR26-T LP2981AIMX-2.8 VP40578 SI4201-BM SI4133T-BM B57231-V2473-J60 VC060314A300R VC060305A150R VC060305A150R VC040205X150R VC040205X150R VC040205X150R VC040205X150R AVL 14K 02 200 AVL 14K 02 200 ERJ2GEJ101X ERJ2GEJ101X ERJ2GEJ101X ERJ2GEJ221X ERJ2GEJ102X ERJ2GEJ102X ERJ2GEJ102X ERJ2GEJ222X

Electrical Parts List

3-1

NO Refer ence
40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 R479 R480 R335 R101 R115 R117 R325 R337 R456 R461 R462 R463 R478 R113 R114 R104 R473 R331 R116 R314 R332 R334 R336 R402 R403 R405 "R466," R467 R483 R485 R488 R492 R100 R111 R112 R107 R108 R109 R110 R476 R469 R472 R103

SEC CODE
2007-000141 2007-000141 2007-000143 2007-000148 2007-000148 2007-000148 2007-000148 2007-000148 2007-000148 2007-000148 2007-000148 2007-000148 2007-000148 2007-000153 2007-000153 2007-000155 2007-000157 2007-000159 2007-000162 2007-000162 2007-000162 2007-000162 2007-000162 2007-000162 2007-000162 2007-000162 2007-000162 2007-000162 2007-000162 2007-000162 2007-000162 2007-000162 2007-001244 2007-001288 2007-001288 2007-001298 2007-001298 2007-001298 2007-001298 2007-001298 2007-002796 2007-002796 2007-002797

Part Description
"R-CHIP;2.2K,5%" "R-CHIP;2.2K,5%" "R-CHIP;4.7K,5%" "R-CHIP;10K,5%" "R-CHIP;10K,5%" "R-CHIP;10K,5%" "R-CHIP;10K,5%" "R-CHIP;10K,5%" "R-CHIP;10K,5%" "R-CHIP;10K,5%" "R-CHIP;10K,5%" "R-CHIP;10K,5%" "R-CHIP;10K,5%" "R-CHIP;22K,5%" "R-CHIP;22K,5%" "R-CHIP;27K,5%" "R-CHIP;47K,5%" "R-CHIP;56K,5%" "R-CHIP;100K,5%" "R-CHIP;100K,5%" "R-CHIP;100K,5%" "R-CHIP;100K,5%" "R-CHIP;100K,5%" "R-CHIP;100K,5%" "R-CHIP;100K,5%" "R-CHIP;100K,5%" "R-CHIP;100K,5%" "R-CHIP;100K,5%" "R-CHIP;100K,5%" "R-CHIP;100K,5%" "R-CHIP;100K,5%" "R-CHIP;100K,5%" "R-CHIP;91K,5%" "R-CHIP;18,5%" "R-CHIP;18,5%" "R-CHIP;51,5%" "R-CHIP;51,5%" "R-CHIP;51,5%" "R-CHIP;51,5%" "R-CHIP;51,5%" "R-CHIP;510,5%" "R-CHIP;510,5%" "R-CHIP;560,5%"

Vendor Part No.
ERJ2GEJ222X ERJ2GEJ222X ERJ2GEJ472X ERJ2GEJ103X ERJ2GEJ103X ERJ2GEJ103X ERJ2GEJ103X ERJ2GEJ103X ERJ2GEJ103X ERJ2GEJ103X ERJ2GEJ103X ERJ2GEJ103X ERJ2GEJ103X ERJ2GEJ223X ERJ2GEJ223X ERJ2GEJ273X ERJ2GEJ473X ERJ2GEJ563X RC1005J104CS RC1005J104CS RC1005J104CS RC1005J104CS RC1005J104CS RC1005J104CS RC1005J104CS RC1005J104CS RC1005J104CS RC1005J104CS RC1005J104CS RC1005J104CS RC1005J104CS RC1005J104CS RC1005J913CS MCR01MZSJ180 MCR01MZSJ180 MCR01MZSJ510 MCR01MZSJ510 MCR01MZSJ510 MCR01MZSJ510 MCR01MZSJ510 MCR01MZSJ511 MCR01MZSJ511 MCR01MZSJ511

3-2

Electrical Parts List

NO Refer ence
83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 R326 R327 R120 R121 R122 R123 R307 R450 R451 R452 R453 R454 R455 R457 R459 R118 R119 R319 R410 R475 R477 R481 R484 R490 R491 R342 R489 C404 C113 C114 C115 C116 C117 C122 C132 C134 C301 C456 C458 C459 C460 C101 C104

SEC CODE
2007-003001 2007-003001 2007-007008 2007-007008 2007-007008 2007-007008 2007-007009 2007-007317 2007-007317 2007-007317 2007-007317 2007-007318 2007-007318 2007-007318 2007-007318 2007-007771 2007-007771 2007-007771 2007-007771 2007-007771 2007-007771 2007-007771 2007-007771 2007-007771 2007-007771 2007-008117 2011-001345 2203-000138 2203-000233 2203-000233 2203-000233 2203-000233 2203-000233 2203-000233 2203-000233 2203-000233 2203-000233 2203-000233 2203-000233 2203-000233 2203-000233 2203-000254 2203-000254

Part Description
"R-CHIP;12,5%" "R-CHIP;12,5%" "R-CHIP;300,5%" "R-CHIP;300,5%" "R-CHIP;300,5%" "R-CHIP;300,5%" "R-CHIP;75ohm,5%" "R-CHIP;2.2K,1%" "R-CHIP;2.2K,1%" "R-CHIP;2.2K,1%" "R-CHIP;2.2K,1%" "R-CHIP;1K,1%" "R-CHIP;1K,1%" "R-CHIP;1K,1%" "R-CHIP;1K,1%" "R-CHIP;0,5%" "R-CHIP;0,5%" "R-CHIP;0,5%" "R-CHIP;0,5%" "R-CHIP;0,5%" "R-CHIP;0,5%" "R-CHIP;0,5%" "R-CHIP;0,5%" "R-CHIP;0,5%" "R-CHIP;0,5%" "R-CHIP;2.7K,1%" R-NETWORK;EXB28V103JX "C-CERAMIC,CHIP;C152K,1.5NF,50V" "C-CERAMIC,CHIP;C101J,100PF,50V" "C-CERAMIC,CHIP;C101J,100PF,50V" "C-CERAMIC,CHIP;C101J,100PF,50V" "C-CERAMIC,CHIP;C101J,100PF,50V" "C-CERAMIC,CHIP;C101J,100PF,50V" "C-CERAMIC,CHIP;C101J,100PF,50V" "C-CERAMIC,CHIP;C101J,100PF,50V" "C-CERAMIC,CHIP;C101J,100PF,50V" "C-CERAMIC,CHIP;C101J,100PF,50V" "C-CERAMIC,CHIP;C101J,100PF,50V" "C-CERAMIC,CHIP;C101J,100PF,50V" "C-CERAMIC,CHIP;C101J,100PF,50V" "C-CERAMIC,CHIP;C101J,100PF,50V" "C-CERAMIC,CHIP;C103K,10NF,16V" "C-CERAMIC,CHIP;C103K,10NF,16V"

Vendor Part No.
RMC16S-120J-TP RMC16S-120J-TP MCR01MZSJ301 MCR01MZSJ301 MCR01MZSJ301 MCR01MZSJ301 RC1005J750CS MCR01MZSF2201 MCR01MZSF2201 MCR01MZSF2201 MCR01MZSF2201 RK73H1ETP1001F RK73H1ETP1001F RK73H1ETP1001F RK73H1ETP1001F RC1005J000CS RC1005J000CS RC1005J000CS RC1005J000CS RC1005J000CS RC1005J000CS RC1005J000CS RC1005J000CS RC1005J000CS RC1005J000CS ERJ2RKF2701X EXB28V103JX CL05B152KBNC GRP1555C1H101JD01E GRP1555C1H101JD01E GRP1555C1H101JD01E GRP1555C1H101JD01E GRP1555C1H101JD01E GRP1555C1H101JD01E GRP1555C1H101JD01E GRP1555C1H101JD01E GRP1555C1H101JD01E GRP1555C1H101JD01E GRP1555C1H101JD01E GRP1555C1H101JD01E GRP1555C1H101JD01E CM05X7R103K16AT CM05X7R103K16AT

Electrical Parts List

3-3

NO Refer ence
126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 C107 C108 C109 C149 C300 C303 C307 C309 C313 C315 C318 C453 C462 C463 C470 C471 C473 C143 C138 C103 C136 C141 C142 C146 C147 C148 C320 C325 C326 C406 C407 C409 C410 C412 C413 C414 C417 C480 C489 C490 C496 C126 C127

SEC CODE
2203-000254 2203-000254 2203-000254 2203-000254 2203-000254 2203-000254 2203-000254 2203-000254 2203-000254 2203-000254 2203-000254 2203-000254 2203-000254 2203-000254 2203-000254 2203-000254 2203-000254 2203-000278 2203-000438 2203-000679 2203-000679 2203-000679 2203-000679 2203-000679 2203-000679 2203-000679 2203-000679 2203-000679 2203-000679 2203-000679 2203-000679 2203-000679 2203-000679 2203-000679 2203-000679 2203-000679 2203-000679 2203-000679 2203-000679 2203-000679 2203-000679 2203-000812 2203-000812

Part Description
"C-CERAMIC,CHIP;C103K,10NF,16V" "C-CERAMIC,CHIP;C103K,10NF,16V" "C-CERAMIC,CHIP;C103K,10NF,16V" "C-CERAMIC,CHIP;C103K,10NF,16V" "C-CERAMIC,CHIP;C103K,10NF,16V" "C-CERAMIC,CHIP;C103K,10NF,16V" "C-CERAMIC,CHIP;C103K,10NF,16V" "C-CERAMIC,CHIP;C103K,10NF,16V" "C-CERAMIC,CHIP;C103K,10NF,16V" "C-CERAMIC,CHIP;C103K,10NF,16V" "C-CERAMIC,CHIP;C103K,10NF,16V" "C-CERAMIC,CHIP;C103K,10NF,16V" "C-CERAMIC,CHIP;C103K,10NF,16V" "C-CERAMIC,CHIP;C103K,10NF,16V" "C-CERAMIC,CHIP;C103K,10NF,16V" "C-CERAMIC,CHIP;C103K,10NF,16V" "C-CERAMIC,CHIP;C103K,10NF,16V" "C-CERAMIC,CHIP;C100D,10PF,50V" "C-CERAMIC,CHIP;C102K,1NF,50V" "C-CERAMIC,CHIP;C270J,27PF,50V" "C-CERAMIC,CHIP;C270J,27PF,50V" "C-CERAMIC,CHIP;C270J,27PF,50V" "C-CERAMIC,CHIP;C270J,27PF,50V" "C-CERAMIC,CHIP;C270J,27PF,50V" "C-CERAMIC,CHIP;C270J,27PF,50V" "C-CERAMIC,CHIP;C270J,27PF,50V" "C-CERAMIC,CHIP;C270J,27PF,50V" "C-CERAMIC,CHIP;C270J,27PF,50V" "C-CERAMIC,CHIP;C270J,27PF,50V" "C-CERAMIC,CHIP;C270J,27PF,50V" "C-CERAMIC,CHIP;C270J,27PF,50V" "C-CERAMIC,CHIP;C270J,27PF,50V" "C-CERAMIC,CHIP;C270J,27PF,50V" "C-CERAMIC,CHIP;C270J,27PF,50V" "C-CERAMIC,CHIP;C270J,27PF,50V" "C-CERAMIC,CHIP;C270J,27PF,50V" "C-CERAMIC,CHIP;C270J,27PF,50V" "C-CERAMIC,CHIP;C270J,27PF,50V" "C-CERAMIC,CHIP;C270J,27PF,50V" "C-CERAMIC,CHIP;C270J,27PF,50V" "C-CERAMIC,CHIP;C270J,27PF,50V" "C-CERAMIC,CHIP;C330J,33PF,50V" "C-CERAMIC,CHIP;C330J,33PF,50V"

Vendor Part No.
CM05X7R103K16AT CM05X7R103K16AT CM05X7R103K16AT CM05X7R103K16AT CM05X7R103K16AT CM05X7R103K16AT CM05X7R103K16AT CM05X7R103K16AT CM05X7R103K16AT CM05X7R103K16AT CM05X7R103K16AT CM05X7R103K16AT CM05X7R103K16AT CM05X7R103K16AT CM05X7R103K16AT CM05X7R103K16AT CM05X7R103K16AT ECUE1H100DCQ C1005X7R1H102KT GRP1555C1H270JZ01E GRP1555C1H270JZ01E GRP1555C1H270JZ01E GRP1555C1H270JZ01E GRP1555C1H270JZ01E GRP1555C1H270JZ01E GRP1555C1H270JZ01E GRP1555C1H270JZ01E GRP1555C1H270JZ01E GRP1555C1H270JZ01E GRP1555C1H270JZ01E GRP1555C1H270JZ01E GRP1555C1H270JZ01E GRP1555C1H270JZ01E GRP1555C1H270JZ01E GRP1555C1H270JZ01E GRP1555C1H270JZ01E GRP1555C1H270JZ01E GRP1555C1H270JZ01E GRP1555C1H270JZ01E GRP1555C1H270JZ01E GRP1555C1H270JZ01E GRP1555C1H330JZ01E GRP1555C1H330JZ01E

3-4

Electrical Parts List

NO Refer ence
169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 C133 C150 C151 C451 C452 C467 C468 C469 C495 C476 C481 C487 C484 C319 C477 C493 C494 C110 C111 C112 C118 C119 C125 C128 C129 C130 C474 C497 C498 C123 C124 C316 C317 C324 C332 C335 C400 C100 C106 C310 C120 C121 C475

SEC CODE
2203-000812 2203-000812 2203-000812 2203-000812 2203-000812 2203-000812 2203-000812 2203-000812 2203-000812 2203-000854 2203-000854 2203-000854 2203-000854 2203-000870 2203-001017 2203-001259 2203-001259 2203-001405 2203-001405 2203-001405 2203-001405 2203-001405 2203-001405 2203-001405 2203-001405 2203-001405 2203-003054 2203-003054 2203-003054 2203-005050 2203-005050 2203-005061 2203-005061 2203-005061 2203-005061 2203-005061 2203-005061 2203-005065 2203-005065 2203-005065 2203-005234 2203-005234 2203-005382

Part Description
"C-CERAMIC,CHIP;C330J,33PF,50V" "C-CERAMIC,CHIP;C330J,33PF,50V" "C-CERAMIC,CHIP;C330J,33PF,50V" "C-CERAMIC,CHIP;C330J,33PF,50V" "C-CERAMIC,CHIP;C330J,33PF,50V" "C-CERAMIC,CHIP;C330J,33PF,50V" "C-CERAMIC,CHIP;C330J,33PF,50V" "C-CERAMIC,CHIP;C330J,33PF,50V" "C-CERAMIC,CHIP;C330J,33PF,50V" "C-CERAMIC,CHIP;C390J,39PF,50V" "C-CERAMIC,CHIP;C390J,39PF,50V" "C-CERAMIC,CHIP;C390J,39PF,50V" "C-CERAMIC,CHIP;39PF" "C-CERAMIC,CHIP;C030C,3PF,50V" "C-CERAMIC,CHIP;C040C,4PF,50V" "C-CERAMIC,CHIP;C080D,8PF,50V" "C-CERAMIC,CHIP;C080D,8PF,50V" "C-CERAMIC,CHIP;C223Z,22NF,25V" "C-CERAMIC,CHIP;C223Z,22NF,25V" "C-CERAMIC,CHIP;C223Z,22NF,25V" "C-CERAMIC,CHIP;C223Z,22NF,25V" "C-CERAMIC,CHIP;C223Z,22NF,25V" "C-CERAMIC,CHIP;C223Z,22NF,25V" "C-CERAMIC,CHIP;C223Z,22NF,25V" "C-CERAMIC,CHIP;C223Z,22NF,25V" "C-CERAMIC,CHIP;C223Z,22NF,25V" "C-CERAMIC,CHIP;C090C,9PF,50V" "C-CERAMIC,CHIP;C090C,9PF,50V" "C-CERAMIC,CHIP;C090C,9PF,50V" "C-CERAMIC,CHIP;C1R8C,1.8PF,50V" "C-CERAMIC,CHIP;C1R8C,1.8PF,50V" "C-CERAMIC,CHIP;C104Z,100NF,16V" "C-CERAMIC,CHIP;C104Z,100NF,16V" "C-CERAMIC,CHIP;C104Z,100NF,16V" "C-CERAMIC,CHIP;C104Z,100NF,16V" "C-CERAMIC,CHIP;C104Z,100NF,16V" "C-CERAMIC,CHIP;C104Z,100NF,16V" "C-CERAMIC,CHIP;C105Z,1UF,10V" "C-CERAMIC,CHIP;C105Z,1UF,10V" "C-CERAMIC,CHIP;C105Z,1UF,10V" "C-CERAMIC,CHIP;C1R2C,1.2PF,50V" "C-CERAMIC,CHIP;C1R2C,1.2PF,50V" "C-CERAMIC,CHIP;6PF"

Vendor Part No.
GRP1555C1H330JZ01E GRP1555C1H330JZ01E GRP1555C1H330JZ01E GRP1555C1H330JZ01E GRP1555C1H330JZ01E GRP1555C1H330JZ01E GRP1555C1H330JZ01E GRP1555C1H330JZ01E GRP1555C1H330JZ01E GRP1555C1H330JZ01E GRP1555C1H330JZ01E GRP1555C1H330JZ01E GRP1555C1H330JZ01E GRP1555C1H3R0CZ01E CM05CG040C50AT GRP1555C1H8R0DZ01E GRP1555C1H8R0DZ01E CL05F223ZANC CL05F223ZANC CL05F223ZANC CL05F223ZANC CL05F223ZANC CL05F223ZANC CL05F223ZANC CL05F223ZANC CL05F223ZANC C1005CG1H090CT C1005CG1H090CT C1005CG1H090CT ECUW1H1R8CCQ ECUW1H1R8CCQ MCH153F104ZK MCH153F104ZK MCH153F104ZK MCH153F104ZK MCH153F104ZK MCH153F104ZK C1608Y5V1A105ZT C1608Y5V1A105ZT C1608Y5V1A105ZT GRP1555C1H1R2CZ01E GRP1555C1H1R2CZ01E GRM40X7R391K200PT

Electrical Parts List

3-5

NO
212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247

Refer ence
C483 C140 C491 C145 C482 C488 C492 C304 C457 C461 C302 C306 C308 C312 C314 C102 C105 C338 C131 C311 C485 C339 C341 L101 L109 L100 L105 L107 L111 L400 X1 F401 F402 L302 L401 CN4

SEC CODE
2203-005382 2203-005444 2203-005444 2203-005450 2203-005480 2203-005480 2203-005481 2203-005482 2203-005503 2203-005503 2203-006105 2203-006105 2203-006105 2203-006105 2203-006105 2404-001105 2404-001105 2404-001105 2404-001134 2404-001134 2404-001162 2404-001268 2503-001041 2703-001751 2703-001751 2703-001943 2703-002170 2703-002176 2703-002203 2703-002269 2801-004025 2901-001234 2901-001234 3301-001120 3301-001362 3710-001816 3722-001715 4302-001119

Part Description
"C-CERAMIC,CHIP;6PF" "C-CERAMIC,CHIP;3PF" "C-CERAMIC,CHIP;C030B,3PF,50V" "C-CERAMIC,CHIP;C5R6B,5.6PF,50V" "C-CERAMIC,CHIP;C333K,33NF,10V" "C-CERAMIC,CHIP;C333K,33NF,10V" "C-CERAMIC,CHIP;C473K,47NF,10V" "C-CERAMIC,CHIP;C104K,100NF,10V" "C-CERAMIC,CHIP;C1801J,180PF,25V" "C-CERAMIC,CHIP;C1801J,180PF,25V" "C-CERAMIC,CHIP;C475K,4.7UF,6.3V" "C-CERAMIC,CHIP;C475K,4.7UF,6.3V" "C-CERAMIC,CHIP;C475K,4.7UF,6.3V" "C-CERAMIC,CHIP;C475K,4.7UF,6.3V" "C-CERAMIC,CHIP;C475K,4.7UF,6.3V" "C-TA,CHIP;10UF/6.3V" "C-TA,CHIP;10UF/6.3V" "C-TA,CHIP;10UF/6.3V" "C-TA,CHIP;100UF/6.3V" "C-TA,CHIP;100UF/6.3V" "C-TA,CHIP;F950G476MAAJZTQ2" "C-TA,CHIP;10UF/10V" COMP-SMD;CAP_4ARRAY_100PF INDUCTOR-SMD;LL1005-FH3N9S INDUCTOR-SMD;LL1005-FH3N9S INDUCTOR-SMD;HK1005-10NJ-T INDUCTOR-SMD;CIH05T6N8JNC INDUCTOR-SMD;CIH05T2N7SNC INDUCTOR-SMD;CIH05T15NJNC INDUCTOR-SMD;CIH05T56NJNC CRYSTAL-UNIT;FC-255 FILTER-EMI SMD;NFA31GD4704704D FILTER-EMI SMD;NFA31GD4704704D CORE-FERRITE BEAD;BLM21P300SPT CORE-FERRITE BEAD;BLM10A102SGPT CONNECTOR-SOCKET;1004-0018-319 JACK-PHONE;02-828P0-53BKA BATTERY-LI;RB414II06N

Vendor Part No.
GRM40X7R391K200PT CM05CG3R0B50AH CM05CG3R0B50AH GRP1555C1H5R6BZ01E GRP155R71A333KA01E GRP155R71A333KA01E GRP155R71A473KA01E GRP155R61A104KA01E C1005CG1E181JT C1005CG1E181JT GRM219R60J475KE11D GRM219R60J475KE11D GRM219R60J475KE11D GRM219R60J475KE11D GRM219R60J475KE11D TESVSP0J106M8RTJ TESVSP0J106M8RTJ TESVSP0J106M8RTJ 595D107X06R3B2T 595D107X06R3B2T F950G476MAAJZTQ2 F951A106MPAAQ2 W2A43A101KAT2A LL1005-FH3N9S LL1005-FH3N9S HK1005-10NJ-T CIH05T6N8JNC CIH05T2N7SNC CIH05T15NJNC CIH05T56NJNC FC-255 NFA31GD4704704D NFA31GD4704704D BLM21P300SPT BLM10A102SGPT 1004-0018-319 02-828P0-53BKA RB414II06N

248 EAR500 249 C305

3-6

Electrical Parts List

3-2 Main Parts List Bottom
NO
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41

Refer ence
D313 Q300 U401 U402 Q304 Q301 D301 D303 D304 D305 D306 D308 D309 D310 D307 D311 U403 U400 U302 V401 V402 V304 R315 R316 R465 R339 R400 R470 R338 R323 R322 R408 R409 R487 R458 R471 R330 R343 R311 R312 R328

SEC CODE
0406-001083 0504-001012 0504-001060 0504-001060 0505-001570 0506-001052 0601-001543 0601-001611 0601-001611 0601-001611 0601-001611 0601-001611 0601-001611 0601-001611 0601-001611 0601-001611 0801-002540 1009-001010 1204-001960 1405-001019 1405-001082 1405-001082 2007-000138 2007-000138 2007-000148 2007-000152 2007-000157 2007-000157 2007-000157 2007-000162 2007-000162 2007-000162 2007-000162 2007-000162 2007-000162 2007-000168 2007-000775 2007-001244 2007-001301 2007-001306 2007-001325

Part Description
DIODE-TVS;ESDA6V1W5 TR-DIGITAL;DTC114YE TR-DIGITAL;BCR08PN TR-DIGITAL;BCR08PN FET-SILICON;SI1865DL TR-ARRAY;UMH9N-TN COMP-SMD;HL500-F01 LED;SLS-NNWH102TS LED;SLS-NNWH102TS LED;SLS-NNWH102TS LED;SLS-NNWH102TS LED;SLS-NNWH102TS LED;SLS-NNWH102TS LED;SLS-NNWH102TS LED;SLS-NNWH102TS LED;SLS-NNWH102TS IC-CMOS LOGIC;NC7SZ19P6X IC-HALL EFFECT S/W;A3212ELH-SAMSUNG IC-MELODY;YMU762 MA-3 VARISTOR;VC060305A150R VARISTOR;VC040205X150R VARISTOR;VC040205X150R "R-CHIP;100,5%" "R-CHIP;100,5%" "R-CHIP;10K,5%" "R-CHIP;20K,5%" "R-CHIP;47K,5%" "R-CHIP;47K,5%" "R-CHIP;47K,5%" "R-CHIP;100K,5%" "R-CHIP;100K,5%" "R-CHIP;100K,5%" "R-CHIP;100K,5%" "R-CHIP;100K,5%" "R-CHIP;100K,5%" "R-CHIP;470K,5%" "R-CHIP;33K,5%" "R-CHIP;91K,5%" "R-CHIP;68,5%" "R-CHIP;150,5%" "R-CHIP;3.3K,5%"

Vendor Part No.
ESDA6V1W5 DTC114YE BCR08PN BCR08PN SI1865DL UMH9N-TN HL500-F01 SLS-NNWH102TS SLS-NNWH102TS SLS-NNWH102TS SLS-NNWH102TS SLS-NNWH102TS SLS-NNWH102TS SLS-NNWH102TS SLS-NNWH102TS SLS-NNWH102TS NC7SZ19P6X A3212ELH-SAMSUNG YMU762 MA-3 VC060305A150R VC040205X150R VC040205X150R ERJ2GEJ101X ERJ2GEJ101X ERJ2GEJ103X MCR01MZSJ203 ERJ2GEJ473X ERJ2GEJ473X ERJ2GEJ473X RC1005J104CS RC1005J104CS RC1005J104CS RC1005J104CS RC1005J104CS RC1005J104CS ERJ2GEJ474X ERJ2GEJ333X RC1005J913CS ERJ2GEJ680X MCR01MZSJ151 MCR01MZSJ332

Electrical Parts List

3-7

NO
42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81

Refer ence
R310 R308 R309 R301 R302 R303 R304 R305 R306 R344 R341 R340 R329 R321 R320 C328 C401 C464 C465 C337 C321 C420 C479 C419 C418 C334 C466 C486 C403 C500 C499 C323 C330 C402 C333 C340 C336 C327 C322 C329

SEC CODE
2007-007008 2007-007009 2007-007009 2007-007009 2007-007009 2007-007009 2007-007009 2007-007009 2007-007009 2007-007090 2007-007107 2007-007590 2007-007771 2007-007771 2011-001344 2203-000233 2203-000254 2203-000254 2203-000254 2203-000254 2203-000438 2203-000679 2203-000679 2203-000679 2203-000679 2203-000679 2203-000812 2203-000854 2203-002443 2203-003054 2203-003054 2203-005061 2203-005061 2203-005061 2203-005061 2203-005061 2203-005065 2203-005483 2404-001086 2404-001086

Part Description
"R-CHIP;300,5%" "R-CHIP;75ohm,5%" "R-CHIP;75ohm,5%" "R-CHIP;75ohm,5%" "R-CHIP;75ohm,5%" "R-CHIP;75ohm,5%" "R-CHIP;75ohm,5%" "R-CHIP;75ohm,5%" "R-CHIP;75ohm,5%" "R-CHIP;11K,5%" "R-CHIP;100K,1%" "R-CHIP;82K,1%" "R-CHIP;0,5%" "R-CHIP;0,5%" COMP-SMD;CRB2A4E101JT

Vendor Part No.
MCR01MZSJ301 RC1005J750CS RC1005J750CS RC1005J750CS RC1005J750CS RC1005J750CS RC1005J750CS RC1005J750CS RC1005J750CS RK73K1ETP113J RK73H1ETP1003F MCR01MZSF8202 RC1005J000CS RC1005J000CS CRB2A4E101JT GRP1555C1H101JD01E CM05X7R103K16AT CM05X7R103K16AT CM05X7R103K16AT CM05X7R103K16AT C1005X7R1H102KT GRP1555C1H270JZ01E GRP1555C1H270JZ01E GRP1555C1H270JZ01E GRP1555C1H270JZ01E GRP1555C1H270JZ01E GRP1555C1H330JZ01E GRP1555C1H330JZ01E GRP155R71H331KD01E C1005CG1H090CT C1005CG1H090CT MCH153F104ZK MCH153F104ZK MCH153F104ZK MCH153F104ZK MCH153F104ZK C1608Y5V1A105ZT GRP155R61A683KA01E TESVSPOJ475M8RTJ TESVSPOJ475M8RTJ

"C-CERAMIC,CHIP;C101J,100PF,50V" "C-CERAMIC,CHIP;C103K,10NF,16V" "C-CERAMIC,CHIP;C103K,10NF,16V" "C-CERAMIC,CHIP;C103K,10NF,16V" "C-CERAMIC,CHIP;C103K,10NF,16V" "C-CERAMIC,CHIP;C102K,1NF,50V" "C-CERAMIC,CHIP;C270J,27PF,50V" "C-CERAMIC,CHIP;C270J,27PF,50V" "C-CERAMIC,CHIP;C270J,27PF,50V" "C-CERAMIC,CHIP;C270J,27PF,50V" "C-CERAMIC,CHIP;C270J,27PF,50V" "C-CERAMIC,CHIP;C330J,33PF,50V" "C-CERAMIC,CHIP;C390J,39PF,50V" "C-CERAMIC,CHIP;C331K,330PF,50V" "C-CERAMIC,CHIP;C090C,9PF,50V" "C-CERAMIC,CHIP;C090C,9PF,50V" "C-CERAMIC,CHIP;C104Z,100NF,16V" "C-CERAMIC,CHIP;C104Z,100NF,16V" "C-CERAMIC,CHIP;C104Z,100NF,16V" "C-CERAMIC,CHIP;C104Z,100NF,16V" "C-CERAMIC,CHIP;C104Z,100NF,16V" "C-CERAMIC,CHIP;C105Z,1UF,10V" "C-CERAMIC,CHIP;C683K,68NF,10V" "C-TA,CHIP;4.7UF/6.3V" "C-TA,CHIP;4.7UF/6.3V"

3-8

Electrical Parts List

SIM CARD

Block Diagrams
BB INTERFACE Serial Data Interface Battery Type I/O Interface Battery Voltage A/D Interface Battery Temperature

VIBRATOR

MIC

4-1 Main Baseband

4. Block Diagrams

RECEIVER

SPEAKER

MELODY IC (40 Poly) RF INTERFACE

ONE C

SYSTEM CLOCK (13MHz) AFC 2V8AERO

SRAM (32M bit) PLL

2V8RFVCC Li-Ion Battery (Slim,Standard) LVCC

FLASH (96M bit)

EEPROM Charging Circuit RTC_2V8

DVCC2.5

RTC_CLOCK (32.768KHz)

KEY_BOARD

AVCC2.5

LCD

RTC_VCC VDD3.0

4-1

SAW Filter LNA PGA ADC PGA DAC

Channel Filter

4-2
F101 SAW Filter LNA Mixer F100 PGA ADC PGA DAC

4-2 Main RF

Si4200 (U104) I

Si4201 (U105)

EGSM RX 925~960 MHz (CH62 : 947.4 MHz)

Q

DCS RX 1805~1880 MHz (CH698 : 1842.4 MHz) 100 kHz

RF Conector (CN1)

Antenna S/W (U107)

Si4133T
RF PLL IF PLL

(U103)
VCTCXO (U102)

VP40578 (U406)

DCS TX 1710 ~ 1785 MHz (CH698 : 1747.4 MHz)

SDATA SCLK SENB PDNB

Dual PAM (U106)
PD

I Q

EGSM TX 880 ~ 915 MHz (CH62 : 902.4 MHz)

LPF

Block Diagrams

Block Diagrams
2.8VTX TXEN2 from U406 Rx L L VC1 VC2 Tx(GSM) L H Tx(DCS) H L

Ant. S/W Control Circuit

Si4133-T
23,24 3 7 VCTCXO (U102)

(U103)

VC1

VC2

1

4-2-1 RF Transmit Part

2

11

RF PLL
1

1279 ~ 1314 MHz 1327 ~ 1402 MHz

AFC

RF Conector (CN1)

8

Antenna S/W (U107)

IF PLL
9 3 26,27 -6dBm @ 1301.4 MHz (G) -9dBm @ 1364.4 MHz (D) 12,13 9,10

880~895 MHz : 798 MHz 895~900 MHz : 790 MHz 900~915 MHz : 798 MHz 766 MHz

PDNB

5

EGSM TX 880 ~ 915 MHz (CH62 : 902.4 MHz)

DCS TX 1710 ~ 1785 MHz (CH698 : 1747.4 MHz)

-6dBm @ 798 MHz -9dBm @ 766 MHz

VP40578
/2 31

(U406)
5

Dual PAM (U106)
1 11 24 PD 6 7 7 9 25
BAND Selection - GSM : Low - DCS : High SDATA SCLK SENB +VBATT 2.8VRFVCC BAND Selection VREG Txpower from U406

I
8 LPF

3

Q

Si4200 (U104)

2

Txpower TXEN2

2 1

4-3

3,4 LNA 11,12 PGA ADC PGA DAC

3,4

-52dBm 17,18 1,2

Channel Filter

4-4
Si4200 (U104)
-52dBm 21,22 11,12 Mixer 3 2 LNA PGA ADC PGA DAC 1,2
-50dBm (G) -54dBm (D) @ 67 kHz

Si4201 (U105)
4
5 4

1

4-2-2 RF Receive Part

I

Q
SDATA

SAW Filter (F101) GSM : /2 100 kHz

SAW Filter (F100)

I/O

1 -51dBm 12,13 31 7 14

1

SCLK SENB

-52dBm

VP40578 (U406)

EGSM RX 925~960 MHz (CH62 : 947.4 MHz) -6dBm @ 1895.6 MHz (G) -9dBm @ 1842.3 MHz (D) 23,24 9

DCS RX 1805~1880 MHz (CH698 : 1842.4 MHz)

PDNB

2

10

1

2

1

RF PLL
7

RF Conector (CN1)

8

Antenna S/W (U107)

1849.8 ~ 1919.8 MHz 1804.9 ~ 1879.9 MHz

3

VCTCXO (U102)

1

3
AFC

- 50dBm @ 947.067 MHz - 50dBm @ 1842.467 MHz

Si4133-T

(U103)

Block Diagrams

5. Flow Chart of Troubleshooting and Circuit Diagrams
5-1 Power ON

'POWER ON'does not work

Yes
Check the Battery Voltage is more than 3.4V?

No
Charge the Battery

Yes
The node between D300 and C305 > 2.8 V ?

No

Check U300 and the path from +VBATT to C305

Yes
When the "END" key is pressed, D314 pin 1> 3.4V ?

No
Replace the PBA

Yes No
U301 pin 1, 2, 9 > 3.4V ? Check the circuit related to U301

Yes No
U301 pin 10 = 2.5 V ? Check U301 and related circuit

Yes No
Check for the clock signal at R103

Check the clock generation circuit (related to U102 and Q100)

Yes
Check the initial operation

END

Flow Chart of Troubleshooting and Circuit Diagrams

5-1

5-2

Flow Chart of Troubleshooting and Circuit Diagrams

5-2 Initial

Initial Failure

Downloading SW is OK ? (Is CSROM signal OK ?)

No

After power on, check and repair the important signals of U406 as follows

Yes
The node between R456 and C462 = "H" (RST)

No

Check the circuit related to reset

Yes No
R461 = "H" (BOOT) Resolder R461

Yes
Check all the other connection by Test S/W R471 = "H" (MSIZE)

No
Resolder R471

Yes
Check the circuit around LCD

No
R484 = "L" (EXTPROC) Resolder R484

Check the circuit around U408(EEPROM) and data stored in it Replace PBA

END

Flow Chart of Troubleshooting and Circuit Diagrams

5-3

5-4

U406
U409
R456 SYSRST C462 CSROM _CE

U404

VDD3.0

U302
F-VPP

R492 R491

F_WP

VDD3.0

VDD3.0
R471 MSIZE

R461

MC_PDN

Flow Chart of Troubleshooting and Circuit Diagrams
GPIO3

SIMPWDN_BOOT

5-3 Charging Part

Abnormal charging part

Yes

No
Check the CN4-1 pin 17,18 > 4.9 V ? Replace TA

Yes

No
Check the U305 pin 3 > 4.9 V ? Resolder C339

Yes

No
R342(CHG_ON side) = "L" ? Resolder R342

Yes

No
Check the U305 pin 5 4.2V ?

Resolder components around U305

Yes

END

Flow Chart of Troubleshooting and Circuit Diagrams

5-5

5-6

Flow Chart of Troubleshooting and Circuit Diagrams

5-4 Sim Part

Phone can't access SIM card

Yes No
Q304 pin 4 = 3.0 V ? Resolder R338

Yes No
Q304 pin 5 = "H" ? Replace Q304 or Replace PBA

Yes No
Q304 pin 2, 3 = 3.0 V ? Replace Q304

Yes No
Replace PBA

After Power ON, Check SIMCLK Signal on CN302 pin 3 in a few second

Yes

After SIM card insert, CN302 pin 2 = "H"(SIMRST) ?

No
Replace PBA

Yes
Check the circuit around U408 (Serial EEPROM) and data stored in it

END

Flow Chart of Troubleshooting and Circuit Diagrams

5-7

5-8
VDD3. 0

Q304
5

4 S2 D2 D2 R2 2 1 ON/OF F R1,C1 SI1865D L 3 R338 47K 6 5

C336 1UF

C337 10NF

R339 20K

R335 4.7K

SIMRST SIMCLK

CN302 PC-D6-A6-H2.9-S (VCCSIM 1 1 ) 6 6 (RST) 2 2 5 5 (CLK) 3 3 4 4 G G G G 10 9 8 7

(GND) (VPP) (SIMDATA)

SIMDATA C341 100PF

Flow Chart of Troubleshooting and Circuit Diagrams

SIMPWREN

5-5 Microphone Part

Microphone does not work

Yes

Check the connection from MIC

No
Resolder MIC FPCB

Yes

Check the circuit related to U406

No

Resolder the R468, R469, R472, R474, C482, C485 and C488

Yes

No
Check the MIC Replace the MIC

Yes

END

Flow Chart of Troubleshooting and Circuit Diagrams

5-9

U406

C482

VDD3.0

C485

C488

VXI1N

VXI1P

R468

+

R469

R472

5-10

MIC

Flow Chart of Troubleshooting and Circuit Diagrams

-

R474

5-6 Speaker Part

Speaker does not work

Yes

R471 = "H"? (MC_PDN)

No
Replace the PBA

Yes

No
U105 pin 13 = "H" ? Resolder R118

Yes

No
Check the clock signal at Pin1 of U302

Check the clock generation circuit (related to U102 and Q100)

Yes

No
U304 pin 3, 9 = 1.8 V ? Resolder U304

Yes

No
CN100 pin 5, 6 = 1.8 V ? Resolder CN100

Yes

Check the depression of the SPK pins

No
Modify the SPK pins

Yes

No
Is Speaker working? Change the Speaker

Yes

END

Flow Chart of Troubleshooting and Circuit Diagrams

5-11

A0

D0

/RD

/CS

IOVD D

MEL13M D(2) D(3) D(4) D(5) D(6) D(7) VIBRATO R +VBATT 2 M_LED LED 3 M_IRQ 4 /RST D5 5 NC D6 D7 MTR SPOUT2 SPOUT1 17 C319 3PF C320 27PF 18 SPKSPK_EN RECC325 27PF C326 27PF 19 20 PLLC 7 VDD VSS 9 VREF R328 3.3K 8 6 22 21 /IRQ D4 23 D3 24

1 CLKI D2 25

R325 10K

M_RESET

C318 10NF

U302 YMU762 MA-3

/WR

D1

HPOUT-L/MONO

HPOUT-R

EQ 1

EQ 2

EQ 3

SPVD D

SPVSS

5-12
VDD3.0 A(1) R321 0 WR D(0) D(1) R322 100K 32 31 30 29 28 26 27 M_CS RD U304 1 2 3 4 R326 12 5 V+ NO1 COM1 IN1 NC 1 NO2 COM2 IN2 NC 2 GND MAX4684EU B 10 9 8 7 6 R327 12 SPK + SPK_EN REC+ C321 1NF 10 12 16 11 13 14 15 C323 100NF C324 100NF +VBATT R329 0 C327 220NF C329 4.7U F 6.3V C330 100NF R330 1.2K C328 1.2NF R343 6.8K R344 2.2K C332 100NF LINE_OUT

Flow Chart of Troubleshooting and Circuit Diagrams

5-7 Key Data Input

Check Initial operation

Yes
When one of the keys is pushed, is it displayed on LCD

No
Check the Dome sheet

Yes

No
Keypad is OK ? Replace the PBA

Yes

END

Flow Chart of Troubleshooting and Circuit Diagrams

5-13

5-8 Receiver Part

5-14

Flow Chart of Troubleshooting and Circuit Diagrams

Flow Chart of Troubleshooting and Circuit Diagrams

5-15

5-9 Ring Indicator

5-16

Flow Chart of Troubleshooting and Circuit Diagrams

5-10 Back Light (for Color Main LCD)

Backlight does not work

LCD Contrast high level in the menu ?

No
Select LCD Contrast high level

Yes No
CN100 pin 11 = "H" ? U401 pin 2 = "H" ?

Yes

Yes

No

Check for the pulse signal at CN100 pin 15

No
Replace the PBA Resolder U401

Check the circuit related to U400

Yes

END Replace the LCD module

END

Flow Chart of Troubleshooting and Circuit Diagrams

5-17

5-11 Back Light (for Sub LCD & Key)

Backlight does not work

Backlight "ON" mode in the menu?

No
Select backlight "ON" mode

Yes

GPIO7 by test S/W

Q302 pin 1 = "H" ?

LCD BACKLIGHT Yes No
R484 = "H" ?

KEY PCB LED

GPIO2 by test S/W

Yes

No
Check the CN100 pin 2 = "H" ?

Check the CN201 pin 2

Yes No
LCD backlight on ? Replace EL sheet

Yes
Resolder R313, R314 END

No

Q302 pin 1 = "H" ?

Yes

Resolder Q302

No

Q302 pin 3 = "L" ?

Yes No
Key LED on ?

Resolder R301~R309 and D303~D311

Yes

END

5-18

Flow Chart of Troubleshooting and Circuit Diagrams

5-12 GSM Receiver

Flow Chart of Troubleshooting and Circuit Diagrams

5-19

5-13 GSM Transmitter

5-20

Flow Chart of Troubleshooting and Circuit Diagrams

5-14 DCS Receiver

Flow Chart of Troubleshooting and Circuit Diagrams

5-21

5-15 DCS Transmitter

5-22

Flow Chart of Troubleshooting and Circuit Diagrams

L100 10nH

2V8RFVCC

C107 10NF

R100 91K U102 1 Vcont 2 GND C109 10NF R103 560 CLK13M R104 27K R106 1K TCO-9141E(2.8V) OutPut 3 Vcc C108 10NF R102 2.2K 4

R101 10K

3 2
Q100 2SC4617

AFC

1

R105 100

RF13M

XIN

IFLA

IFLB

GND

GND

VDDD

GND 32 GND 8 NC 51 PDNB SD O 11 SEN B SCL K 20K 13 51 14 GND NC 51 SD I RFLD RFLC GND RFLB RFLA 12 10 9

GND

SCLK_O

SDAT A

R110

15

16

17

18

19

20

21

SDATA_ O C114 100PF C116 100PF C115 100PF C117 100PF

GND

Flow Chart of Troubleshooting and Circuit Diagrams
2V8AERO C113 100PF C110 22NF C111 22NF C112 22NF L101 3.9nH 7 6 1 30 GND 29 GND 28 VDDI 27 IFLO P 26 IFLO N VDDR RFLOP 23 RFLON 22 GND RFLON 25 24 RFLOP IFLO N IFLO P 4 3 2 31 5

PDNB_O

PDNB

R107

SENB

D100 RB520S-30

U103 SI4133T-BM

SYNEN1

R108

SCL K

R109

5-23

GND

GND

VDD2

DIAG 1

DIAG 2

17 18 C123 1.8PF 19 7 6 5 4 3 2 1 MC_PD N 20 L103 27NH 22 23 24 RFO G VDD4 GND C125 22NF ION L2 L1 GND PDNB VDD3 GND GND 25 RFO D IOP VDD1 CKN RFIGN CKP 21 RFIGP RFIDN TXIN RFIDP TXQ P RFIPN 8 TXQN

RFIPP

RFLO N

RFLOP

IFLO N

2

5

IFLO P

GND

CKN

CKP

GND

XIN

GND

VDDC

GND

SENB

SCLK

SD I

XOUT

VDDA

GND

16 C127 33PF C128 22NF C129 22NF

17

18

19

20

21

R112 0

GSMT X

R122 NC

R123 NC

C130 22NF

GND

5-24
2V8AERO C118 22NF C119 22NF QTXN C120 1.2PF QTXP ITXN ITXP L102 7.5N H 16 15 14 13 12 11 10 36 35 9 C121 1.2PF C122 100PF RF13M

IFLO P

IFLO N

RFLO P

RFLON

BANDSEL

F100 B7821

DCSRX

1

OUT

3

IN

G

G OUT

4

F101 B7820

GSMR X C124 1.8PF

1

OUT

3 TXI P

IN

G

G OUT

4

U104 SI4200-BM

10

9

8

7

6

24

23

2

5

11 12 13

IOP ION GND

RXI N RXI P

5 4

IRXN IRXP

26 32 33 34

27

28

29

30

31

U105 SI4201-BM
R118 0
14 15 PDNB SD O

RXQ N RXQ P GND

3 2 1

QRXN QRXP

R111 0

C126 33PF

DCST X

22

MEL13M 2V8AERO SDATA_O SCLK_O SENB

Flow Chart of Troubleshooting and Circuit Diagrams

PDNB_O

+VBATT
C13 1 100uF C133 33PF C13 2 100PF

GSMT X

DCST X
8 12 10 VCC1 VCC2 VCCO VBAT T 4 U106 RF3140 C15 1 15PF 9 L107 3.9nH DCSOUT 11

GSMOUT

R113 22K

R11 4 22K

TXPOWE R C13 4 100PF

7 2 3 5 6 1 GSMI N BS TXEN VRE G VRAM P DCSI N

C152 0.5PF

L110 NC

L108 33nH

2V8RFVCC

VC1

Flow Chart of Troubleshooting and Circuit Diagrams
C136 27PF

ANT1

CON1 MS-156(02) 1 IN OUT 2 G1 G2 3 4 Q101 E2 B2 C1 C1 E2 8 PEMD10 Q102 PEMD10 E1 B1 C2 B2 E1 1 6 5 4 C13 8 1NF R121 10K B1 2 C15 0 33PF U107 LMG002S-5047A 2 ANT VC1 11 C2 3 L106 8.2nH

L104 2.7nH

L105 NC

4

2V8RFVCC

5

6

TXEN2
1 2 3

VC1

C141 27P F

VC1 VC2
C142 27PF R115 10K

VC2

5 GSM_TX 3 DCS_TX 10 GSM_RX 1 DCS_R X G1G2G3G4G5G6G7 4 6 7 9 12 13 14 C143 10P F L111 15nH

GSMR X

2 1
R116 100K C14 6 27PF DCSR X C145 5.6pF L109 3.9nH

BANDSEL

Q103 DTA114YET1

3
VC2
C147 27PF R11 7 10K

VC1 Tx(DCS) Tx(GSM) RX H L L

VC2 L H L

Antenna S/W Control Circuit
VC2 : DCS TX

VC1 : GSM TX

5-25

ELECTRONICS

Samsung Electronics Co.,Ltd. Printed in Korea 12/2002 Rev 1.0 GH68-03158A