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DUAL BAND Mobile
ELECTRONICS
Cellular Phone
SGH-N628




SERVICE Manual



DUAL BAND Mobile Cellular Phone CONTENTS
1. Exploded Views and Parts List

2. PCB Diagrams

3. Electrical Parts List

4. Block Diagrams

5. Flow chart of trouble shooting
ELECTRONICS




Samsung Electronics Co.,Ltd.
Printed in Korea
12/2001 Rev 1.0
GH68-02604A
1. Exploded Views and Parts List
1-1 Main
1-2 Main Parts List
1-3 Travel Adapter
1-4 Travel Adapter Parts List
1-5 Battery Charger
1-6 Test Jig
1-6-1 Test Jig
1-7 normal EAR Microphone
1-8 Data Kit

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

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

4. Block Diagrams
4-1 Main Base Band
4-2 Main RF
4-2-1 RF Tx Part
4-2-2 RF Rx Part

5. Flow chart of trouble shooting
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 GSM Receiver
5-12 GSM Transmit
5-13 DCS Receiver
5-14 DCS Transmit
1. Exploded Views and Parts List

1-1 Main (SGH-N628)




1

3 2
4
6
5


7 9
8
10
11
12 14 15



13 16


17
18
19


Exploded Views and Parts List 1-1
1-2 Main Parts List

SEC CODE
NO DISCRIPTION Q'TY SVC REMARK
WHITE DARK BLUE DARK SILVER
1 FRONT COVER ASS'Y GH75-01671B GH75-01671A GH75-01671C 1
2 SPEAKER 3001-001199 3001-001199 3001-001199 1
3 MIC ASS'Y GH59-00240B GH59-00240B GH59-00240B 1
4 KEY PAD(3X4) GH72-03705A GH72-03705A GH72-03705A 1
5 KEY PCB(3X4) GH59-00282A GH59-00282A GH59-00282A 1
6 COVER LCD GH73-00923A GH73-00923A GH73-00923A 1
7 KEY-VOLUME GH75-01490A GH75-01490A GH75-01490A 1
8 MAIN PBA GH82-00092A GH82-00092A GH82-00092A 1
9 LCD GH07-00131A GH07-00131A GH07-00131A 1
10 COVER CONNECTOR GH73-00893A GH73-01001A GH73-01001B 1
11 SHIELD-REAR GH72-03213A GH72-03213E GH72-03213F 1
12 SPEAKER 3001-001253 3001-001253 3001-001253 1
13 REAR COVER ASS'Y GH75-01471A GH75-01672A GH75-01672B 1
14 MOTOR GH31-00033A GH31-00033A GH31-00033A 1
15 MOBILE CAP GH73-00892A GH73-00999A GH73-00999B 1
16 ANTENNA GH42-00137E GH42-00137F GH42-00137G 1
17 SCREW M1.7 X 5 6001-001542 6001-001542 6001-001542 5
18 SCREW CAP GH73-00891A GH73-00998A GH73-00998B 1
19 BATT ASS'Y(STD) GH43-00472A GH43-00472C GH43-00472B 1




1-2 Exploded Views and Parts List
1-3 Travel Adapter



A




1-4 Travel Adapter Parts List

TYPE SEC CODE REMARK
A GH44-00171 A CHINA



1-5 Battery Charger




Battery Charger GH44-00281A


1-6 Test Jig




TEST JIG GH80-10508A



Exploded Views and Parts List 1-3
TEST JIG CABLE GH39-00079A




RF JIG CABLE GH39-00094A




DM CABLE GH39-00080A




1-4 Exploded Views and Parts List
1-6-1 Test Jig

DC
POWER
SUPPLY



8922 or 8960
WIRELESS COMMVNCATIONS
TEST SET



RF JIG CABLE




TE
ST
JIG


232 CABLE




TEST JIG CABLE




1-7 Normal EAR Microphone




Wearable EAR Microphone GH59-00359A


1-8 Data Kit




DATA KIT GH39-00078A

Exploded Views and Parts List 1-5
2. PCB Diagrams

2-1 Main Top




L624




JT15
C633




C211




R537 R215 R217




C101
Q201
C100




TP520


TP513

TP512


TP511

TP514
R533 R532 C540 C539
R529
C529




D100
C680 U200




R100 C102




U504
R520




JT14
C206




U100
R524
R601




Q400
R400
C521




R535
R209 C205 R536




C514 C528


C531 R587
C517




JT13
R508 R523
C524 C522
C520 R521




R101
C151
R534
R622




R414
R625


R208
C701
R512 C129
C204




C530
C668 R631




R509

R526
R599
C511 R207




JT12
R626 C210 R547 C545 C544
R628




R528 R406 R206 R407
C661 C209
C203




F200
F201
R513 C542 C513
C617




R630 L604 C208 R510




OSC500




JT11
C512 R538 R541




C202
C207 C519
C666
U611


C515 R205




JT10
C667 C505 R503




U401
U506




U501

R540
R619 C660 R629




R623 R511 C507 R501




C504 C510
CN200
R620 R507 C508 R500
C518
SPK1




C506 R502




R545
C551 R544
R542




C401 R405
R618 R506 C523




C400
C537
MIC1
C659 R504




JT9
C656




R617
U502 C541




C552
C657
U411




R539 R543
C532




JT8
R525 C538




C553
R527 C527




C536
R518




JT7
U410
R519 C525




C516
C547
C548
C549
C550
C526
C501 C503




R439 C440




L500
R530 R412
U414 F203




JT6
C500 C502 V507 V508
R514 R531
V500
V509




R432 C560




C430
C409




R423 R422
C450
R403
C403 C432 C561
Q203 Q202




R404 R402 U413




JT5
Q200 C559
C435




V510
C215 V511
OSC401
C441 R438 C431
C410 R413

U402
R210 C433



R443 C438




JT4
C414
C415
C413




C436 R441
U415
R410




L200
R211 R202 C434

U430 C405




R411
C420
C437
R442 R440
LED201




R212 C411




JT3
U412
C439




JT2
R401
C451
R409




JT1
2-1 PCB Diagrams
2-2
V401 V402
U600 CN2 CN3




U302
V504 C557 V501




C534
C554
C533
C555




C304
V300
C303 C556




R310
2-2 Main Bottom




A1
V505


U629 V506

C624
CN501
C623
L602 V503 V502




R641
C609
L609
C616




Q600
Q602
C672 C611
U604
R634 Q603




U602
L620
C121




C618
R604
L621 U609 C614 C608 C120



R644




C646
C637




R639
C631
C679
Q601 C619
U110


L605
C647 C620




U607
L607 C700 C122
C640




L619
C638
L618
L616
L615
L608 C625
C119




C643
U634
C641
C621
C601
L606




C622 L601
U605

U608
C607




C615
C602




C627




C644
C652 C645 C648 R606
C630
L612




C639




U111
L603 C612
R605
C636
C635
U601 L600




R105 C626 C651
C605 C632




C604
SW1 SW2




R627 C662 C600

R621
C698
C658
R613 R614 R615 R607
C665
C664
C663
C677




R624 L622 R602
R611 R616 C655 R608 R609
R632




R638
C675
R636 R635 C669
U613




C670
Q604




U612




U610 R643 R637 C674
R642




C673 L623 C676 C678
R633
C671




C649

R102
R640




C105
C106




R610
C107
U104
C109




C650




C654 C653 C108
U103




R612


R328 R302 R332
R301 C322 C320
Q300




U626 R331 U627
C317




R300 R303
R306
U300




U303
C316




R305 D300 C300
U304
Q303




C110 R304 C302
V200 C116
R323




R320 C124
V208 V201 C318 C321 C333
C125
C123




U106




V207 V202
V206 V203
C150 R103 C118 C127 C126
R104




U636
C113




CN211
C111
R108
U105




V204
U505
C591 C590




M100 C114 C112 R307 C128
C117 C306 TH300 R590 RST
U102 C115




R107
CN310




C201
C200 V205
V212
V213
C217




V2010 V209
ZD203
ZD202




U630 U628
CN220
PCB Diagrams
3. Electrical Parts List

3-1 Main Parts List Top


NO Reference SEC Code Part Description Vendor Part No
1 C100 2404-001105 C-TA,CHIP;10UF/6.3V TCSCS0J106MPAS
2 C101 2203-000254 C-CERAMIC,CHIP;C103K,10NF,16V GRP155R71C103KA01E
3 C102 2203-000233 C-CERAMIC,CHIP;C101J,100PF,50V GRP1555C1H101JD01E
4 C129 2203-000254 C-CERAMIC,CHIP;C103K,10NF,16V GRP155R71C103KA01E
5 C151 2203-005482 C-CERAMIC,CHIP;C104K,100NF,10V GRP155R61A104KA01E
6 C202 2404-001101 C-TA,CHIP;1UF/16V TAJR105M016R
7 C203 2404-001101 C-TA,CHIP;1UF/16V TAJR105M016R
8 C204 2404-001101 C-TA,CHIP;1UF/16V TAJR105M016R
9 C205 2404-001101 C-TA,CHIP;1UF/16V TAJR105M016R
10 C206 2404-001101 C-TA,CHIP;1UF/16V TAJR105M016R
11 C207 2203-005061 C-CERAMIC,CHIP;C104Z,100NF,16V CL05F104ZONC