Samsung SGH-N400 User manual

ELECTRONICS
SERVICE
DUAL BAND Mobile
Cellular Phone
SGH-N400
Manual
DUAL BAND MOBILE CELLULAR PHONE CONTENTS
1. Exploded Views and Parts List
2. PCB Diagrams & Schematic Diagrams
3. Electrical Parts List
4. Block Diagrams
5. Flow Chart of Troubleshooting

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1. Exploded Views and Parts List
1-1 Main
1-2 Main Parts List
1-3 Travel Adapter
1-4 Cigar Light Adapter
1-5 Simple Hands Free Kit
1-6 Test Jig
1-7 Earphone
1-8 Data Kit
1-9 Desk Top Charger
2. PCB Diagrams & Schematic Diagrams
2-1-1 Main Top
2-1-2 Main Bottom
2-2-1 Logic Schematic
2-2-2 Power Schematic
2-2-3 RF Schematic
3. Electrical Parts List
3-1 Main Parts
4. Block Diagrams
4-1 Main Base Band
4-2 Main RF
5. Flow Chart of Troubleshooting
5-1 Power ON
5-2 Initial
5-3 Charging Part
5-4 SIM Part
5-5 Microphone Part
5-6 Speaker Part
5-7 Key Data Input
5-8 Alert Tone
5-9 Ring Indicator
5-10 Back Light
5-11 Auto Antenna Troubleshooting
5-12 RF Troubleshooting
5-13 Tx Troubleshooting
5-14 Rx Troubleshooting

1. Exploded Views and Parts List
1-1 Main
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1-1
1
8
6
2
3
10
11
12
15 16
17
22
20
21
19
21
18
13
14
9
7
23
4
5
1-3
1-2
1-6
1-7
1-1
1-5
1-4
3-1
3-3
3-4
3-2

1-2 Main Parts List
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1-2
NO PART NAME SEC CODE Q’TY REMARK
1 FRONT ASS’Y GH75-00965A(EU) 1 SA
GH75-01257A(AMN)
GH75-01256A(ATL)
GH75-01213A(TIM)
GH75-01290A(WIN)
GH75-01255A(XEC)
1 FRONT COVER GH72-02155A 1 SNA
2 FLIP ASS’Y GH75-00967A(EU) 1 SA
GH75-01254A(AMN)
GH75-01253A(ATL)
GH75-01212A(TIM)
GH75-01289A(WIN)
GH75-01252A(XEC)
3 NAVI-DUMMY-FRONT GH72-02165A 1 SNA
4 HINGE ASS’Y GH75-00350A 1 SNA
5 LED LENS GH72-02161A 1 SNA
6 WINDOW-LCD GH72-02163A 1 SNA
7 SPONGE WINDOW GH74-01104A 1 SNA
2 MAIN-PBA GH92-00940A 1 SA
3 REAR ASS’Y GH75-00966A 1 SA
1 REAR COVER GH72-02421A 1 SNA
2 LOCKER MAIN GH72-02422A 1 SNA
3 SPRING LOCKER GH61-00009A 1 SNA
4 EARJACK RUBBER GH73-00608A 1 SNA

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1-3
4 SHIELD COVER GH71-00466A 1 SA
5 KEY-PCB GH59-00172A 1 SA
6 MIC-RUBBER GH73-00609A 1 SA
7 NAVIGATION KEY GH72-02162A 1 SA
8 KEY-MAIN GH73-00603A 1 SA
9 INTENNA GUIDE GH75-01117A 1 SA
10 BUZZER RUBBER GH73-00602A 1 SA
11 COVER CONN. GH73-00758C 1 SA
12 LCD ASSíY GH07-00064A 1 SA
13 SPEAKER 3001-001231 1 SA
14 VOL-KEY GH73-00605A 1 SA
15 MOTOR GH31-00028A 1 SA
16 SCREW 6001-000464 2 SA
17 INTENNA-MODULE GH75-00802A 1 SA
18 MAIN-LABEL GH68-02050C 1 SA
19 MOBILE CAP GH73-00606A 1 SA
20 SCREW CAP GH73-00607A 1 SA
21 SCREW 6001-000883 5 SA
22 WHIP ANT GH42-00104A 1 SA
23 BATT. STD GH43-00309A 1 SA

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1-3
4 SHIELD COVER GH71-00466A 1 SA
5 KEY-PCB GH59-00172A 1 SA
6 MIC-RUBBER GH73-00609A 1 SA
7 NAVIGATION KEY GH72-02162A 1 SA
8 KEY-MAIN GH73-00603A 1 SA
9 INTENNA GUIDE GH72-02164A 1 SA
10 BUZZER RUBBER GH73-00602A 1 SA
11 COVER CONN. GH73-00758C 1 SA
12 LCD ASS’Y GH07-00064A 1 SA
13 SPEAKER 3001-001231 1 SA
14 VOL-KEY GH73-00605A 1 SA
15 MOTOR GH31-00028A 1 SA
16 SCREW 6001-000464 2 SA
17 INTENNA-MODULE GH75-01117A 1 SA
18 MAIN-LABEL GH68-02050C 1 SA
19 MOBILE CAP GH73-00606A 1 SA
20 SCREW CAP GH73-00607A 1 SA
21 SCREW 6001-000883 5 SA
22 WHIP ANT GH42-00104A 1 SA
23 BATT. STD GH43-00309A 1 SA

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1-4
1-3 Travel Adapter
TYPE SEC CODE REMARK
A GH44-00171A CHINA
B GH44-00184A EUROPE
C GH44-00171C UNITED KINGDOM
D GH44-00171E JAPAN

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1-5
1-4 Cigar Light Adapter
Cigar Light Adapter GH44-00199A

Simple Hands Free kit CKT046EBE(Model)
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1-6
1-5 Simple Hands Free Kit
SEC CODE GH96-00941A

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1-7
1-6 Test Jig
TEST JIG BOX GH80-10508A
TEST JIG CABLE GH39-00079A
TEST RF CABLE GH39-00090A

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1-8
1-7 Earphone
EARPHONE GH96-00830A
DATA KIT GH39-00078A
1-8 Data Kit
1-9 Desk Top Charger
DESK TOP CHARGER GH44-00232A

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2-1
2. PCB Diagrams & Schematic Diagrams
2-1-1 Main Top
C103
C104
C105
C106
C112
C114
C115
C116
C117C118
C119
C120
C121
C122
C123
C124
C125
C126
C127 C128
C129
C130
C131
C132
C133
C134
C135
C136
C141
C143
C144
C210
C222
C223 C224
C225
C226 C227 C228
C229
C233
C234 C235
C249
C412
C413
C501
C503 C504 C505C506
C507
C508
C509
C510
C511
C515
C516
C517C518
C519
C520
C521
C523
C525
C526
C527
C531 C532
C534
C535
C537
C538
C539
C540
C541
C542
C543
C544
C545
C546 C550
C551
C552 C553
C554
C555
C557 C559
C561
C562
C564
C565C566
C567
C568 C569 C570 C571
C572
C573
C588
C704
C706
C708
C720
C721
C722
C724
C725
C726
C765C766
C769
C770
C772
C774
C775
C776
C777
C778
C779
C780
C784
C785
C786
C787
C789
C790 C792
D102
D109
D500
D506
D509
D511
D512 D513
D704
E101
E102
J503
L102
L205L206
Q101
Q108
Q109
Q503
Q504
Q507
Q508
Q509
R102
R103
R104
R105
R106
R108
R109R110
R111 R112
R113
R114
R115
R128
R202
R203
R204 R205
R206
R207
R208
R209
R210
R211
R212 R213
R402
R507
R508
R509
R510
R511R512
R513
R514
R515
R516
R517
R518
R519
R520 R521R522
R523 R524
R527
R530 R531 R532
R533
R534
R535
R536
R537 R539 R540
R541
R542
R543
R544
R545
R551
R552
R553
R554
R555
R556
R557
R558
R564 R565 R566 R567
R577 R578
R579
R580
R581
R582
R583
R584
R587
R589
R701
R702
R703
R705
R707
R708
R709
R710
R711
SPK300
SW1
U103
U104
U105
U106
U107
U108U109
U110
U111
U112
U113
U114
U115
U210
U501
U502
U506
U507 U508
U509
U510
U513
U584
X500

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2-2
2-1-2 Main Bottom
ANT_MOTOR
BAT100
C101
C102
C107
C108
C109
C110
C111
C137
C138
C139
C140
C142
C145
C147
C148
C149
C204
C208
C213
C214
C215 C216
C217 C218
C220
C221
C230 C231
C232
C236
C237
C238
C240
C241 C242
C243 C244
C245
C246
C247
C248
C301 C302 C303
C304 C305 C306
C307
C308
C309
C310
C311
C312
C313
C401
C402
C403
C404
C405
C406
C407
C408
C409
C410
C411
C414
C415
C416
C417
C419
C420
C421
C422
C423
C424C425
C426 C427
C428
C429 C430
C431
C432
C433
C434
C435
C436
C437
C438
C439
C502
C512 C513
C514
C522
C524
C528
C529
C530
C556
C558
C560 C563
C750
C751
C752
C762
C763
C764
C767
C768
C771
C773
C781
C782
C783
C788
C793
D101 D103
D104 D105
D106
D107
D108
D501
D502
D503
D504
D505
D507
D508
D701D702
D703
D705
D709
D710 D711
F401
F402
F403
F404
GND
J101
J102
J103
J501
J502
L101
L203 L204
L301
L302
L401 L402
L403
L405
L406
L407
L408
L409
L410
L411
L412
L413
L414
L415
L416
L417 L418
L419
L420
L421
L422
L423
L701
M500
Q102
Q103
Q104
Q105 Q106
Q107
Q110
Q201
Q301
Q505
Q506
Q510
R107
R116
R117 R118
R119 R120
R121
R122
R123
R124
R125
R126 R127
R132
R133
R201
R214
R215
R216
R217
R218
R219
R220
R221
R222
R223
R224
R225
R226
R227
R228
R251
R301
R302
R303
R304
R305
R306
R307
R308
R309 R310
R311
R312
R313
R314
R401
R403
R404
R405
R502
R546
R547
R548
R549
R550
R559
R560
R561 R562
R563
R704
RX
SIMBOOT
TCKTDITDO
TH500
TMS
TP1TP2
TP3
TP4
TP40G
TP5TP6
TRST TX
U101 U102
U204
U205
U206
U207
U208
U209
U211
U212
U213
U214
U301
U302
U401
U504
U585
U586
U587
VBATT
WR

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2-3
2-2-1 Logic Schematic

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2-4
2-2-2 Power Schematic

2-2-3 RF Schematic
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2-5

3. Electrical Parts List
3-1 Main Parts
SAMSUNG Proprietary-Contents may change without notice
3-1
ITEM COMPANY GEOMETRY
COUNT DESCRIPTION REFERENCE
NUMBER PART. NO
1 0401-001033 R2412_DIO 1 MCL4154 D108
2 0402-001331 R3516_DIO 1 CRS04-TE85L D107
3 0406-001083 sop5_w210_P0.65 5 ESDA6V1W5 D104 D105 D106 D507 D703
4 0406-001104 sot323-6L 2 ESDA6V1-5W6 D704 D711
5 0407-001002 EMD_3 2 DAN222TL D508 D509
6 0407-001007 Csop5_w210_P0.65 1 UMN1 D109
7 0501-000162 sot_323a 1 2SA1576FRT106 Q503
8 0501-000218 sot_323a 1 2SC4081BRT106 Q506
9 0501-000225 EMD_3 1 2SC4617 Q301
10 0501-000729 sot_23_hvm14s 2 2SA1036K-Q Q103 Q104
11 0501-002011 sot_23_R 3 2SD2114KT146V Q505 Q507 Q508
12 0501-002202 sot_323a 4 MMBT2222AWT1 Q102 Q105 Q106 Q107
13 0501-002346 sot_89_2 1 2SB1427-E-T100 Q101
14 0504-000167 EMD_3 1 DTC114EE/TR U112
15 0504-000168 EM3_a 1 DTC144EE/TR Q510
16 0504-001012 EMD_3 2 DTC114YE Q201 Q509
17 0504-001021 sot_23_hvm14s 1 DTB113ZK U111
18 0504-001060 sot_363 4 BCR08PN U113 U211 U212 U213
19 0505-001332 Csop6_w190 1 FDG6301N Q504
20 0505-001423 Csop6_w190 3 FDG6323L Q108 Q109 Q110
21 0506-001004 Csop5_w210_P0.65 1 UMC5NTL U115
22 0601-001226 SR1608_LED_1226 1 SML-310LT-T86 D500
23 0601-001542 R1608_LED_1 3 E1S03-AB1A7 D511 D512 D513
24 0801-002540 sc-88 1 NC7SZ19P6X U506
25 1001-001155 Csop6_w190 2 NC7SB3157P6X U507 U508
26 1009-001006 sc-74_v4 1 A3210ELH U114
27 1103-001185 Csop8_w560 1 S524AD0XF1 U513
28 1106-001301 bga72_w1100h800_L_v2 1 LRS1337 U502
29 1201-001583 sm_POWAMP_PF08109 1 PF08109B-TB U208
30 1202-001022 Csop8_w340_L06 1 TC75W56FU-TE12L U509
31 1203-001204 sot23-5M 1 LP2981AIM5X-3.3 U102
32 1203-001285 sot23-5M 2 MIC5205-3.0BM5/TR U105, U108
33 1203-001454 sot23-5M 2 LP2981AIM5X-3.0 U106 U110
34 1203-001511 sot_23_R 1 MAX809REUR-T U504
35 1203-001720 sot23-5M 1 MIC5219-3.0BM5 U107
36 1203-001701 sot23-5M 1 LP2982AIM5X-3.0 U109
37 1203-001702 Csop10_w435_L05 1 MAX1676EUB-T U101

SAMSUNG Proprietary-Contents may change without notice
3-2
ITEM COMPANY GEOMETRY
COUNT DESCRIPTION REFERENCE
NUMBER PART. NO
38 1203-002113 sot23-5M 1 MIC5219-2.5BM5 U104
39 1203-002127 sot23-6M 1 LTC1734ES6-4.2#TR U103
40 1203-002168 sot23-5M 1 LP3985IM5X-3.0 U105
41 1205-001881 bga180_w1200h1200_L_v2 1 VP40575 U501
42 1205-001935 Cqfp56_w870h870_L045 1 HD155128TF U401
43 1209-001292 QFN24_w520h420_v2 1 HD155171PN01EL U210
44 1209-001337 sm_MLP28_w500h500-1 1 SI4133G-XM2R U301
45 1404-001221 ALL1005_RES 1 NTH5G10P40B473J08TH TH500
46 1405-001018 R1608_CAP 2 VC060314A300R D101 D102
47 1405-001019 R1608_CAP 2 VC060305A150R D103 D505
48 1405-001082 ALL1005_RES 11 VC040205X150R D501 D502 D503 D504 D506
D701 D702 D705 U585 U586
U587
49 2007-000138 ALL1005_RES 6 100,5% R103 R707 R708 R709 R710
R711
50 2007-000139 ALL1005_RES 4 220,5% R121 R123 R516 R519
51 2007-000140 ALL1005_RES 6 1K,5% R307 R313 R404 R546 R579
R705
52 2007-000141 ALL1005_RES 6 2.2K,5% R116 R125 R308 R534 R554
R555
53 2007-000142 ALL1005_RES 1 2.7K,5% R552
54 2007-000143 ALL1005_RES 4 4.7K,5% R117 R119 R122 R124
55 2007-000148 ALL1005_RES 27 10K,5% R108 R109 R112 R114 R115
R127 R214 R215 R216 R306
R502 R509 R510 R511 R512
R513 R514 R540 R542 R545
R556 R559 R561 R701 R702
R703 R704
56 2007-000152 ALL1005_RES 1 20K,5% R537
57 2007-000155 ALL1005_RES 1 27K,5% R311
58 2007-000157 ALL1005_RES 3 47K,5% R557 R558 R562
59 2007-000159 ALL1005_RES 1 56K,5% R560
60 2007-000162 ALL1005_RES 16 100K,5% R107 R110 R111 R113 R507
R508 R515 R533 R535 R544
R547 R553 R563 R580 R581
R582
61 2007-000168 ALL1005_RES 1 470K,5% R543
62 2007-000170 ALL1005_RES 4 1M,5% R522 R523 R524 R584
63 2007-000172 ALL1005_RES 8 10,5% R302 R303 R304 R305 R309
R314 R401 R402
64 2007-000174 ALL1005_RES 2 47,5% R223 R405

SAMSUNG Proprietary-Contents may change without notice
3-3
ITEM COMPANY GEOMETRY
COUNT DESCRIPTION REFERENCE
NUMBER PART. NO
65 2007-000636 ALL1005_RES 1 270K,5% R583
66 2007-000775 ALL1005_RES 1 33K,5% R301
67 2007-001244 ALL1005_RES 1 91K,5% R310
68 2007-001291 ALL1005_RES 2 30,5% R217 R220
69 2007-001298 ALL1005_RES 3 51,5% R222 R403 R551
70 2007-001301 ALL1005_RES 4 68,5% R207 R208 R211 R213
71 2007-001305 ALL1005_RES 2 120,5% R201 R549
72 2007-001306 ALL1005_RES 1 150,5% R209
73 2007-001307 ALL1005_RES 7 180,5% R212 R218 R219 R227 R228
R312 R548
74 2007-001308 ALL1005_RES 1 200,5% R132
75 2007-001313 ALL1005_RES 1 330,5% R221
76 2007-001319 ALL1005_RES 2 1.2K,5% R118 R120
77 2007-002796 ALL1005_RES 2 510,5% R517 R518
78 2007-003010 ALL1005_RES 1 20,5% R550
79 2007-003030 ALL1005_RES 1 91,5% R224
80 2007-007014 ALL1005_RES 1 51K,5% R128
81 2007-007107 ALL1005_RES 1 100K,1% R105
82 2007-007132 ALL1005_RES 2 15K,1% R206 R210
83 2007-007139 ALL1005_RES 1 47K,1% R205
84 2007-007142 ALL1005_RES 1 10K,1% R203
85 2007-007200 ALL1005_RES 3 2.4,5% R577 R578 R589
86 2007-007311 ALL1005_RES 2 22K,1% R204 R225
87 2007-007317 ALL1005_RES 4 2.2K,1% R530 R531 R532 R587
88 2007-007318 ALL1005_RES 4 1K,1% R564 R565 R566 R567
89 2007-007480 ALL1005_RES 1 130K,1% R521
90 2007-007590 ALL1005_RES 1 82K,1% R104
91 2007-007698 ALL1005_RES 1 5.1K,1% R202
92 2007-007771 ALL1005_RES 4 0,5% R126 R133 R226 R251
93 2007-007981 ALL1005_RES 1 180K,1% R520
94 2007-008117 ALL1005_RES 1 2.7K, 1% R106
95 2011-001344 R2010_RES_AR_1 2 EXB28V101JX R102 U584
96 2011-001345 R2010_RES_AR_1 1 EXB28V103JX R536
97 2203-000233 ALL1005_CAP 9 C101J,100PF,50V C204 C420 C568 C569 C570
C571 C750 C751 C752
98 2203-000254 ALL1005_CAP 21 C103K,10NF,16V C122 C125 C140 C142 C216
C228 C249 C311 C312 C313
C422 C430 C436 C502 C550
C558 C559 C560 C561 C562
C773
99 2203-000278 ALL1005_CAP 2 C100D,10PF,50V C144 C214
100 2203-000311 ALL1005_CAP 1 C121J,120PF,50V C421

SAMSUNG Proprietary-Contents may change without notice
3-4
ITEM COMPANY GEOMETRY
COUNT
DESCRIPTION REFERENCE
NUMBER PART. NO
101 2203-000330 ALL1005_CAP 3 C120J,12PF,50V C413 C762 C763
102 2203-000359 ALL1005_CAP 1 C151J,150PF,50V C431
103 2203-000386 ALL1005_CAP 2 C150J,15PF,50V C426 C427
104 2203-000438 ALL1005_CAP 9 C102K,1NF,50V C230 C242 C416 C429 C432
C433 C435 C437 C438
105 2203-000628 ALL1005_CAP 1 C220J,22PF,50V C237
106 2203-000654 ALL1005_CAP 2 C271K,270PF,50V C412 C414
107 2203-000679 ALL1005_CAP 10 C270J,27PF,50V C229 C231 C232 C240 C410
C434 C501 C517 C764 C774
108 2203-000696 ALL1005_CAP 2 C020C,2PF,50V C408 C409
109 2203-000800 SR1608_CAP 2 C333K,33NF,25V C507 C509
110 2203-000812 ALL1005_CAP 26 C330J,33PF,50V C213 C215 C238 C243 C244
C401 C402 C404 C405 C406
C419 C424 C425 C515 C524
C525 C526 C529 C530 C555
C556 C557 C563 C564 C565
C566
111 2203-000836 ALL1005_CAP 2 C391K,390PF,50V C221 C236
112 2203-000870 ALL1005_CAP 1 C030C,3PF,50V C511
113 2203-000940 ALL1005_CAP 3 C471K,470PF,50V C117 C128 C138
114 2203-000995 ALL1005_CAP 48 C470J,47PF,50V C101 C102 C103 C115 C118
C147 C148 C301 C302 C303
C306 C439 C503 C512 C513
C514 C518 C521 C535 C573
C704 C708 C765 C766 C767
C768 C769 C770 C771 C772
C775 C776 C777 C778 C779
C780 C781 C782 C783 C784
C785 C786 C787 C788 C789
C790 C792 C793
115 2203-001017 ALL1005_CAP 1 C040C,4PF,50V C227
116 2203-001124 ALL1005_CAP 1 C681K,680PF,50V C210
117 2203-001239 ALL1005_CAP 2 C820J,82PF,50V C222 C233
118 2203-001437 ALL1005_CAP 2 C050C,5PF,50V C519 C520
119 2203-002525 ALL1005_CAP 3 C561K,560PF,50V C304 C307 C310
120 2203-003054 ALL1005_CAP 2 C090C,9PF,50V C551 C588
121 2203-005054 ALL1005_CAP 1 C4R7C,4.7PF,50V C415
122 2203-005061 ALL1005_CAP 21 C104Z,100NF,16V C106 C108 C109 C129 C132
C136 C141 C143 C305 C308
C309 C504 C505 C523 C527
C528 C534 C552 C553 C554
C567