Samsung SGH-N620 User manual

ELECTRONICS
SERVICE
DUAL BAND Mobile
Cellular Phone
SGH-N620
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

Samsung Electronics Co.,Ltd.
Printed in Korea
12/2001 Rev 1.0
GH68-02583A
ELECTRONICS

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. low 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

Exploded Views and Parts List 1-1
1. Exploded Views and Parts List
1-1 Main (SGH-N620)
32
1
4
6
9
5
8
13
10 11
12
7
14
17
18
19
15
16

1-2 Exploded Views and Parts List
1-2 Main Parts List
1 FRONT COVER ASS'Y GH75-01470A GH75-01470B GH75-01470C GH75-01470D 1
2 SPEAKER 3001-001199 3001-001199 3001-001199 3001-001199 1
3 MIC ASS'Y GH59-00240B GH59-00240B GH59-00240B GH59-00240B 1
4 KEY PAD(3X4) GH72-03376A GH72-03376A GH72-03376A GH72-03376A 1
5 KEY PCB(3X4) GH59-00282A GH59-00282A GH59-00282A GH59-00282A 1
6 COVER LCD GH73-00923A GH73-00923A GH73-00923A GH73-00923A 1
7 KEY-VOLUME GH75-01490A GH75-01490A GH75-01490A GH75-01490A 1
8 MAIN PBA GH82-00090A GH82-00090A GH82-00090A GH82-00090A 1
9 LCD GH07-00131A GH07-00131A GH07-00131A GH07-00131A 1
10 COVER CONNECTOR GH73-00893A GH73-00893B GH73-00893C GH73-00893D 1
11 SHIELD-REAR GH72-03213A GH72-03213A GH72-03213A GH72-03213A 1
12 SPEAKER 3001-001253 3001-001253 3001-001253 3001-001253 1
13 REAR COVER ASS'Y GH75-01471A GH75-01471B GH75-01471C GH75-01471D 1
14 MOTOR GH31-00033A GH31-00033A GH31-00033A GH31-00033A 1
15 MOBILE CAP GH73-00892A GH73-00892B GH73-00892C GH73-00892D 1
16 ANTENNA GH42-00137A GH42-00137B GH42-00137C GH42-00137D 1
17 SCREW M1.7 X 5 6001-001346 6001-001346 6001-001346 6001-001346 5
18 SCREW CAP GH73-00891A GH73-00891B GH73-00891C GH73-00891D 1
19 BATT ASS'Y(STD) GH43-00435A GH43-00435B GH43-00435C GH43-00435D 1
NO DISCRIPTION Q’TY SVC REMARK
SEC CODE
WHITE SILVER SKY BLUE BLACK

1-5 Battery Charger
Exploded Views and Parts List 1-3
1-4 Travel Adapter Parts List
TYPE SEC CODE REMARK
A GH44-00171A CHINA
1-3 Travel Adapter
A
1-6 Test Jig
TEST JIG GH80-10508A

DM CABLE GH39-00080A
Exploded Views and Parts List1-4
TEST JIG CABLE GH39-00079A
RF JIG CABLE GH39-00094A

1-5Exploded Views and Parts List
1-7 Normal EAR Microphone
Wearable EAR Microphone GH59-00168A
1-8 Data Kit
DATA KIT GH39-00078A
1-6-1 Test Jig
8922 or 8960
WIRELESS COMMVNCATIONS
TEST SET
TEST JIG
DC
POWER
SUPPLY
RF JIG CABLE
TEST JIG CABLE
232 CABLE

PCB Diagrams2-1
2. PCB Diagrams
2-1 Main Top
C100
C101
C102
C129
C151
C202
C203
C204
C205
C206
C207
C208
C209
C210
C211
C215
C400
C401
C403
C405
C409
C410
C411
C413 C414 C415
C430
C431
C432
C433
C434
C437
C438
C439
C440
C441
C442
C443
C450
C451
C500
C501
C502
C503
C504
C505
C506
C507
C508
C510
C511
C512
C513
C514
C515
C516
C517
C518
C519
C520
C521
C522
C523
C524
C525
C526
C527
C528
C529
C530
C531
C532
C536
C537
C538
C539C540
C541
C542
C544C545
C547 C548 C549 C550
C551 C552
C553
C559
C560
C561
C590
C591
C617
C633
C656
C657
C659
C660
C661
C666
C667
C668
C680
C701
CN200
D100
F200 F201
F203
JT1
JT10 JT11 JT12 JT13 JT14 JT15
JT2 JT3 JT4 JT5 JT6 JT7 JT8 JT9
L200
L500
L604
L624
LED201
MIC1
OSC401
OSC500
Q200
Q201
Q202Q203
Q400
R100
R101
R202
R205
R206 R207
R208
R209
R210
R211
R212
R215 R217
R400
R401
R402
R403
R404
R405
R406 R407
R409
R412
R422R423
R432
R438
R439
R440 R442
R443
R500
R501
R502
R503
R504
R506
R507
R508 R509
R510
R511
R512
R513
R514
R518
R519
R520
R521 R523
R524
R525
R526
R527
R528
R529
R530
R531
R532R533 R534
R535
R536
R537
R538
R539
R540
R541
R542
R543
R544 R545
R547
R587
R590
R599
R601
R617
R618
R619
R620
R622
R623
R625
R626
R628
R629
R630
R631
RST
SPK1
TP511 TP512 TP513 TP514
U100
U200
U401
U410
U413
U414
U415
U430
U501
U502
U506
U520
U580
U611
U635
V500
V507 V508
V509
V510 V511

PCB Diagrams2-2
A1
C105
C106
C107
C108
C109
C110
C111
C112
C113
C114
C115
C116
C117
C118
C119
C120 C121
C122
C123
C124
C125
C126
C127
C128
C190
C200 C201
C217
C300
C302
C306
C316
C317
C318
C320
C321
C322
C333
C491
C492
C533
C534
C554
C555
C556 C557
C600
C601
C602
C604
C605
C607
C608
C609
C611
C612
C614
C615
C616
C618
C619 C620
C621
C622
C623
C624
C625
C626
C627
C630
C631
C632
C635
C636
C637
C638
C639
C640
C641 C643
C644
C645
C646
C647
C648
C649
C650
C651
C652
C653
C654
C655
C658
C662
C663
C664
C665
C669
C670
C671
C672
C673 C674
C675
C676
C677
C678
C679
C698
C700
CN2
CN211
CN220
CN3
CN310
CN501
D300
L600
L601
L602
L603
L605
L606
L607 L608
L609
L612
L615
L616
L618
L619
L620
L621
L622
L623
M100
Q300
Q303
Q600
Q601
Q602
Q603
Q604
R102
R103
R104
R105
R107
R108
R300
R301 R302
R303 R304
R305
R306
R307
R320
R323
R328
R331 R332
R492
R602
R604
R605
R606
R607
R608 R609
R610
R611
R612
R613 R614 R615
R616
R621
R624 R627
R632
R633
R634
R635R636
R637
R638
R639
R640
R641
R642
R643
R644
SW1 SW2
TH300
U102
U103
U104
U105
U106
U110
U111
U300
U303
U304
U420
U600
U601
U602
U604 U605
U607
U608
U609
U610
U612
U613
U626 U627
U628
U629
U630
U634
U636
V200 V201
V2010
V202 V203
V204
V205
V206 V207 V208
V209
V212
V213
V400
V401 V402
V501
V502V503
V504
V505
V506
ZD202
ZD203
2-2 Main Bottom