Samsung SGH-E490 User manual
GSM TELEPHONE
SGH-E490
GSM TELEPHONE CONTENTS
1. Specification
2. Exploded View and Parts list
3. Chart of Troubleshooting
4. Array course control
5. Block Diagrams
6. PCB Diagrams
7. MAIN Electrical Parts List
8. Reference data
9. Safety Precautions
10. Product Function
Contents
1. Specification
1-1. GSM General Specification .......................................................................................1-1
1-2. GSM TX power class ...............................................................................................1-2
2. Exploded View and Parts list
2-1. Cellular phone Exploded View ..................................................................................2-1
2-2. Cellular phone Parts list ............................................................................................2-2
2-3. Disassembly ...............................................................................................................2-9
2-4. Assembly ..................................................................................................................2-11
3. Chart of Troubleshooting
3-1. Baseband ............................................................................................................3-1
3-1-1. Power ON .....................................................................................................3-1
3-1-2. System Initial ................................................................................................3-5
3-1-3. SIM Part .......................................................................................................3-8
3-1-4. Charging Part .............................................................................................3-10
3-1-5. Microphone Part .........................................................................................3-12
3-1-6. Speaker Part ..............................................................................................3-15
3-1-7. Camera Part ..............................................................................................3-18
3-1-8. LCD .............................................................................................................3-21
3-2. RF ......................................................................................................................3-13
3-2-1. EGSM Rx ...................................................................................................3-23
3-2-2. DCS Rx ......................................................................................................3-24
3-2-3. PCS Rx ......................................................................................................3-25
3-2-4. EGSM Tx ...................................................................................................3-27
3-2-4. DCS & PCS Tx .........................................................................................3-28
3-2-6. BLUETOOTH ..............................................................................................3-30
Contents
4. Array course control
4-1. Downloading Binary Files ......................................................................................4-2
4-2. Pre-requsite for Downloading ................................................................................4-2
4-3. S/W Downloader Program .....................................................................................4-3
5. Block Diagrams
6. PCB Diagrams
7. MAIN Electrical Parts List
8. Reference data
8-1. Reference Abbreviate ..............................................................................................8-1
9. Safety Precautions
9-1. Repair Precaution ......................................................................................................9-1
9-2. ESD(Electrostaically Sensitive Devices) Precaution ................................................9-2
10. Product Function
1. Specification
1-1
1-1. GSM General Specification
GSM900
Phase 1
EGSM 900
Phase 2
DCS1800
Phase 1 PCS1900
Freq. Band[MHz]
Uplink/Downlink
890~915
935~960
880~915
925~960
1710~1785
1805~1880
1850~1910
1930~1990
ARFCN range 1~124 0~124 &
975~1023 512~885 512~810
Tx/Rx spacing 45MHz 45MHz 95MHz 80MHz
Mod. Bit rate/
Bit Period
270.833kbps
3.692us
270.833kbps
3.692us
270.833kbps
3.692us
270.833kbps
3.692us
Time Slot
Period/Frame
Period
576.9us
4.615ms
576.9us
4.615ms
576.9us
4.615ms
576.9us
4.615ms
Modulation 0.3GMSK 0.3GMSK 0.3GMSK 0.3GMSK
MS Power 33dBm~13dBm 33dBm~5dBm 30dBm~0dBm 30dBm~0dBm
Power Class 5pcl ~ 15pcl 5pcl ~ 19pcl 0pcl ~ 15pcl 0pcl ~ 15pcl
Sensitivity -102dBm -102dBm -100dBm -100dBm
TDMA Mux 8 8 8 8
Cell Radius 35Km 35Km 2Km -
Speclflcation
1-2
1-2. GSM Tx Power Class
TX Power
control level GSM900
5 33±2 dBm
6 31±2 dBm
7 29±2 dBm
8 27±2 dBm
9 25±2 dBm
10 23±2 dBm
11 21±2 dBm
12 19±2 dBm
13 17±2 dBm
14 15±2 dBm
15 13±2 dBm
16 11±3 dBm
17 9±3dBm
18 7±3 dBm
19 5±3 dBm
TX Power
control level DCS1800
0 30±3 dBm
1 28±3 dBm
2 26±3 dBm
3 24±3 dBm
4 22±3 dBm
5 20±3 dBm
6 18±3 dBm
7 16±3 dBm
8 14±3 dBm
9 12±4 dBm
10 10±4 dBm
11 8±4dBm
12 6±4 dBm
13 4±4 dBm
14 2±5 dBm
15 0±5 dBm
TX Power
control level PCS1900
030±3dBm
128±3dBm
226±3dBm
324±3dBm
422±3dBm
520±3dBm
618±3dBm
716±3dBm
814±3dBm
912±4dBm
10 10±4 dBm
11 8±4dBm
12 6±4 dBm
13 4±4 dBm
14 2±5 dBm
15 0±5 dBm
SAMSUNG Proprietary-Contents may change without notice
2. Exploded View and Parts List
2-1
This Document can not be used without Samsung's authorization
2-1. Cellular phone Exploded View
QMP01
QKP01
QME01
QFR01
QRE01
QRF03
QVO01
QSD01
QCK01
QMI03
QAN02
QBA01
QLC01
QMO01
QAR01
QHI01
QCA01
QFL01
QMW01
QFU03QFU02 QFU06
QFU01
QBC02QBC01 QBC06
QSP02
QSP01
QME03
QCB01
QSC07
QSC05
QCR04
QSH01
QCR05
QCR57
QRF01
SAMSUNG Proprietary-Contents may change without notice
Exploded View and Parts List
2-2
This Document can not be used without Samsung's authorization
Design LOC Discription SEC CODE
QAN02 INTENNA-SGHE490 GH42-01029A
QAR01 AUDIO-RECEIVER 3009-001236
QBA01 INNER BATTERY PACK-800MAH_BLK_ GH43-02371A
QBC01 ASSY COVER-BATT_RED GH98-03814A
QBC02 ASSY COVER-BATT_PNK GH98-03814B
QBC06 ASSY COVER-BATT_WHT GH98-03814F
QCA01 UNIT-SGHE490 CAMERA GH59-03625A
QCB01 COAXIAL CABLE-SGHE490 ANT CABL GH39-00674A
QCR04 SCREW-MACHINE 6001-001479
QCR04 SCREW-MACHINE 6001-001479
QCR05 SCREW-MACHINE 6001-001478
QFU02 ASSY CASE-UPPER B_RED GH98-02202A
QFU03 ASSY CASE-UPPER B_PNK GH98-02202B
QFU06 ASSY CASE-UPPER B_WHT GH98-02202F
QKP01 ASSY KEYPAD-(OPEN/BLK) GH98-02648A
QLC01 ELA UNIT-SGHE490 LCD MODULE GH96-02257A
QME01 UNIT-SGHE490 KEY PBA GH59-03674A
QME03 UNIT-SGHE490 CON TO CON GH59-03787A
QMO01 MOTOR DC-SGHE490 GH31-00280A
QMP01 PBA MAIN-SGH-E490 GH92-03069A
QMW01 ASSY COVER-MAIN WINDOW GH98-03252A
QRF01 MPR-TAPE RF COVER GH74-26671A
QSC05 MPR-TAPE LOWER R GH74-26668A
QSC06 MPR-TAPE LOWER L GH74-26669A
QSH01 IPR-SHEILD COVER GH70-01860A
QSP01 SPEAKER_yellow 3001-002071
QSP02 SPEAKER_Blue 3001-002080
QFR01 ASSY CASE-FRONT GH98-02199A
QMI03 ASSY COVER-MIC HOLDER GH98-03236A
QFL01 ASSY CASE-LOWER GH98-02200A
2-2. Cellular phone Parts list
SAMSUNG Proprietary-Contents may change without notice
Exploded View and Parts List
2-3
This Document can not be used without Samsung's authorization
QHI01 ASSY-HINGE-FOLDER GH98-01290A
QFU01 ASSY CASE-UPPER A GH98-02201A
QCR57 SCREW-MACHINE 6001-002001
QRE01 ASSY CASE-REAR GH98-02215A
QCK01 PMO-CAMERA KEY GH72-36437A
QRF03 PMO-COVER EAR JACK GH72-34107A
QSD01 PMO-MICRO SD COVER GH72-36594A
QVO01 PMO-KEY VOLUME GH72-34110A
SAMSUNG Proprietary-Contents may change without notice
Exploded View and Parts List
2-4
This Document can not be used without Samsung's authorization
SEC CODE Design LOC Discription
GH42-01029A QAN02 INTENNA-SGHE490
3009-001236 QAR01 AUDIO-RECEIVER
GH43-02371A QBA01 INNER BATTERY PACK-800MAH_BLK_
GH98-03814A QBC01 ASSY COVER-BATT
GH98-03814B QBC02 ASSY COVER-BATT
GH98-03814F QBC03 ASSY COVER-BATT
GH59-03625A QCA01 UNIT-SGHE490 CAMERA
GH39-00674A QCB01 COAXIAL CABLE-SGHE490 ANT CABL
GH72-36437A QCK01 PMO-CAMERA KEY
6001-001479 QCR04 SCREW-MACHINE
6001-001479 QCR04 SCREW-MACHINE
6001-001478 QCR05 SCREW-MACHINE
6001-002001 QCR57 SCREW-MACHINE
GH98-02200A QFL01 ASSY CASE-LOWER
GH98-02199A QFR01 ASSY CASE-FRONT
GH98-02201A QFU01 ASSY CASE-UPPER A
GH98-02202A QFU02 ASSY CASE-UPPER B
GH98-02202B QFU03 ASSY CASE-UPPER B
GH98-02202F QFU04 ASSY CASE-UPPER B
GH98-01290A QHI01 ASSY-HINGE-FOLDER
GH98-02648A QKP01 ASSY KEYPAD-(OPEN/BLK)
GH96-02257A QLC01 ELA UNIT-SGHE490 LCD MODULE
GH59-03674A QME01 UNIT-SGHE490 KEY PBA
GH59-03787A QME03 UNIT-SGHE490 CON TO CON
GH98-03236A QMI03 ASSY COVER-MIC HOLDER
GH31-00280A QMO01 MOTOR DC-SGHE490
GH92-03069A QMP01 PBA MAIN-SGH-E490
GH98-03252A QMW01 ASSY COVER-MAIN WINDOW
GH98-02215A QRE01 ASSY CASE-REAR
GH74-26671A QRF01 MPR-TAPE RF COVER
GH72-34107A QRF03 PMO-COVER EAR JACK
GH74-26668A QSC05 MPR-TAPE LOWER R
GH74-26669A QSC06 MPR-TAPE LOWER L
GH72-36594A QSD01 PMO-MICRO SD COVER
GH70-01860A QSH01 IPR-SHEILD COVER
3001-002071 QSP01 SPEAKER
3001-002080 QSP02 SPEAKER
GH72-34110A QVO01 PMO-KEY VOLUME
SAMSUNG Proprietary-Contents may change without notice
Exploded View and Parts List
2-5
This Document can not be used without Samsung's authorization
GH39-00444B CBF INTERFACE-DATA LINK CABLE
GH44-01361B ADAPTOR-SGHE690,SIL,EU,A_TYPE
GH59-03883B UNIT-EARPHONE,SGHE490,SIL,B-TY
GH99-21303V PAA MAIN-SGHE490(AUT)
6902-000297 BAG PE
GG68-10705A LABEL(P)-MASTER SEAL
GH68-00518B LABEL(P)-UNIT SEAL
GH68-01335D LABEL(P)-IMEI
GH68-11617A LABEL(P)-MASTER SHIPPING
GH68-13218A LABEL(R)-MAIN(EU)
GH69-04149A BOX(P)-MASTER MAIN
GH69-04788A BOX(P)-UNIT MAIN(EU)
GH69-05039A CUSHION-CASE(AUT_NEW)
GH99-21304A PAA ETC-SGHE490 AUT
6801-001089 CARD GUIDE
6801-001501 CARD-WARRANTY
GH46-00358A S/W CD-SGHE490 PC STUDIO II 2.
GH68-07013A MANUAL-WEEE CARD
GH68-13018A MANUAL USERS-EU FRENCH
GH68-13219A MANUAL USERS-EU ITALIAN
GH68-13220A MANUAL USERS-EU GERMAN
GH91-02171A ASSY BASIC-SGHE490(LS/OPEN)
GH68-02026A LABEL(P)-WATER SOAK
GH73-08605A RMO-RUBBER PBA A
GH73-08606A RMO-RUBBER PBA B
GH74-28709A MPR-GASK TAPE
GH73-09056A RMO-RUBBER INTENNA
GH73-09072A RMO-RUBBER PBA C
GH97-06285A MEA FRONT-COVER E490(OPEN)
GH74-26663A MPR-FRONT LABEL
GH74-29017A MPR-INSU TAPE
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