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

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Exploded View and Parts List
2-2
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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

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Exploded View and Parts List
2-3
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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

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Exploded View and Parts List
2-4
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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

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Exploded View and Parts List
2-5
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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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Exploded View and Parts List
2-6
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GH74-29057A MPR-GASK TAPE
GH07-01008A LCD-SUB SGHE490
GH07-01024A LCD-MODULE SGHE490
GH59-03665A UNIT-SGHE490 BLU
GH74-13804A MPR-REMOVE TAPE LCD
GH74-17926A MPR-TAPE LED
GH74-19756A CONE-TAPE SUB LCD INSUL
GH74-27509A MPR-TAPE
GH74-27511A MPR-INSU TAPE
GH74-28410A MPR-INSU TAPE
GH59-03646A UNIT-SGHE490 LCD MAIN PBA
GH59-03652A UNIT-SGHE490 LCD IF PBA
GH72-34087A PMO-HINGE SHAFT
GH72-35057A PMO-CASE FRONT V2
GH81-02376A INSERT-M1.4_TYPE B
GH73-08503A RMO-RUBBER MIC HOLDER
GH74-28949A MPR-TAPE MIC
GH71-07209A NDC-DECO HINGE
GH74-29844A MPR-GASK TAPE
GH70-01779A IPR-DECO EAR V2
GH70-01845A IPR-MAGNETIC
GH72-35046A PMO-CASE LOWER V2
GH74-28144A MPR-TAPE EAR PIECE
GH74-28400A MPR-TAPE MAGNETIC
GH74-29725A MPR-TAPE RCV HOLE
GH73-09178A RMO-RUBBER LOWER
GH74-26586A MPR-SPONGE CAMERA
GH74-26665A MPR-TAPE UPPER DUMMY
GH74-28513A MPR-TAPE CAMERA DECO
GH71-07148A NDC-FOLDER UPPER
GH72-36555A PMO-FOLDER UPPER BOTTOM

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Exploded View and Parts List
2-7
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GH81-02348A INSERT-M1.4_TYPE A
GH72-34090A PMO-CASE UPPER DECO
GH72-34091A PMO-DECO CAMERA
GH72-34092A PMO-COVER CAMERA WINDOW
GH72-34093A PMO-COVER SUB WINDOW
GH74-26587A MPR-SPONGE SUB WINDOW
GH74-28515A MPR-VINYL BOHO SUB
GH74-28762A MPR-VINYL BOHO UPPER DUMMY
GH72-34094A PMO-CASE UPPER B
GH72-34095A PMO-BRACKET CHANGE
GH74-26666A MPR-TAPE CHANGE DUMY
GH72-34104A PMO-COVER MAIN WINDOW
GH74-26667A MPR-TAPE MAIN WINDOW
GH73-08862A RMO-RUBBER LCD A
GH73-08863A RMO-RUBBER LCD B
GH73-08864A RMO-RUBBER LCD C
GH74-28337A MPR-TAPE
GH74-29015A MPR-GASK TAPE
GH74-29852A MPR-GASK TAPE LDI
GH74-30474A MPR-GASK TAPE
GH74-30475A MPR-INSU TAPE LCD A
GH74-30493A MPR-GASK TAPE
GH74-30539A MPR-INSU TAPE LCD B
GH74-30540A MPR-INSU TAPE LCD C
GH74-30542A MPR-VINYL BOHO AUTO
GH68-02026A LABEL(P)-WATER SOAK
GH74-28143A MPR-SPONGE KEY CON
GH74-29014A MPR-GASK TAPE
GH61-00292A SPRING ETC-BATT LOCKER
GH72-36593A PMO-REAR COVER
GH72-36595A PMO-BATT LOCKER

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Exploded View and Parts List
2-8
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GH74-16438A MPR-F/C FIX TAPE
GH74-28950A MPR-TAPE GASK
GH74-29850A MPR-TAPE REAR HOLE R
GH73-09143A RMO-RUBBER CONTACT
GH72-34094B PMO-CASE UPPER B
GH72-34095A PMO-BRACKET CHANGE
GH74-26666A MPR-TAPE CHANGE DUMY
GH74-30541A MPR-VINYL BOHO UPPER B
GH72-34094F PMO-CASE UPPER B
GH72-34095A PMO-BRACKET CHANGE
GH74-26666A MPR-TAPE CHANGE DUMY
GH74-30541A MPR-VINYL BOHO UPPER B
GH74-30543A MPR-VINYL BOHO MAIN
GH72-36722A PMO-BATT COVER V4
GH74-28760A MPR-VINYL BOHO COVER
GH74-30396A MPR-TAPE GATE
GH72-36722B PMO-BATT COVER V4
GH74-28760A MPR-VINYL BOHO COVER
GH74-30396B MPR-TAPE GATE

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Exploded View and Parts List
2-9
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2-3. Disassembly
1
43
2
1. Take off a FRONT LABEL.
2. Separate Antenna and RF cable from Unit.
1. Put tweezers to Front hole and Press down a
Hinge.
2. Separate FRONTand FOLDER ASS'Y during
doing NO.1.
※caution
1. Beware that you do not damage LCD F-PCB.
2. Be caredful that you do not make scratch
when you press down a Hinge.
1. Release SCREW 6 POINT at Rear.
2. Disjoint HOOK from up to down.
(Consult Picture 1.)
※caution
1. Be careful Hook damage when you Disjoint a
REAR.
1. Disjoint LCD CONNECTOR, KEY CONNECTOR.
2. Remove RF CONNECTOR.
3. Separate PBA from FRONT.
※caution
1. When separate PBA, do not use too much
power.
2. Be careful a Connector damage when you
remove RF Connextor
①
②
③
RF
CONNECT
OR
LCD
CONNEC
OTR
KEY
CONNEC
TOR
INTENNA and
RF CABLE
Put tweezers to
hole and press
down a hinge.

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Exploded View and Parts List
2-10
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5
87
6
1. Seperate UPPER from LOWER.
-ReleaseaHOOKwhichlocateupside.
※caution
1. Be careful Hook damage when you disjoint a
REAR. 1. DONE
1. Separate KEYPAD using tweezers.
2. After remove SIDEKEY from FROTN RIB,
separate KEY F-PCB from FRONT.
※caution
1. Do not make scratch when you using tweezers.
2. Beware that you do not damage KEY F-PCB.
1. Remove SCREW CAP using tweezers.(2POINT)
2. Release SCREW.
※caution
1. Do not make scratch when you using tweezers.
SCREWCAP/SCREW
①
③
④
②

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Exploded View and Parts List
2-11
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2-4. Assembly
1
43
2
1.Drive SCREWs to LOVWER. (M1.4*L3 2 POINT)
2. Attach SCREW CAP.
※caution
1.Check Right and Left. The shape is different.
1. Attach KEY F-PCB to FRONT.
Insertion order (VOL KEY →MIC→KEY CON.→
CAM KEY)
2. Set KEY PAD on KEY F-PCB.
※caution
1. Beware that you do not damage KEY F-PCB.
2. Be caredful that you do not make scratch when
you assemble a Hinge.
3. Check folder Tention and F-PBC connected
with accuracy.
1. Put LCD ASS'Y to LOWER.
2. Put MOT, RECEIVER, CAM, SPK.
3. Arrange a F-PCB to a groove.
※caution
1. Beware that you do not leave any dirty thing
on LCD (dust,fingerprint and etc.).
2. Arrange MOT, RECEIVER WIRE not to be
interfered with other components.
1.Join UPPER to LOWER.(Refer to the Picture)
※caution
1. Be sure that UPPER is hooked on LOWER
Left Right
Arrange Wire.
Put SPKs and a CAM.
Put MOT, CAM, SPK.
①
②
③
FOLDER
UPPER
④
SCREW CAP
SCREW(2POINT)
KEY F-PCB
GUIDE
HOLE

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2-12
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5
87
6
1. Set up Antenna at FRONT(including RF CABLE).
2. Set a PBA.
3. Rmove dust using AIR GUN and then connect
KEY, LCD CONNECTOR.
4. Connect RF CONNECTOR.
5. Attach FRONT LABEL.
※caution
1. Beware that you do not damage F-PCB.
2. Be caredful that you do not make scratch when
you assemble a Hinge.
3. Check folder Tention and F-PBC connected
with accuracy.
4. Chack RF CABLEconnected with accuracy.
※caution
1. Be caredful that you do not damage SIDE F-
PCB when assembling a REAR.(A F-PCB can
be interfered with SIDE KEY of REAR)
2. Press Antenna part horizontally.
3. Check GAP is exist after finish assembly.
1. Insert F-PCB to hole of FRONT.
2. Assemble while pressing the hinge.
3. Open and close a folder 2~3 times to Check
there is a problem or not.
※caution
1. Beware that you do not damage F-PCB when
you insert F-PCB to hole of FRONT
2. Check KEY F-PCB GUIDE HOLE is in
conformity with FRONT.
1. Slip on CHANGEABLE COVER.
※caution
1.After sliping on CHANGEABLE COVER, check a
gap exist or not.
Assemble during
pressing a hinge.
After seting up
Antenna, arrange
RF CABLE
Watch out when
you connect RF
CONNECTOR.
Connect KEY, LCD
CONNECTOR
<Assemble REAR from
upside>
<Assemble Antenna
Part>
<Assemble both sides
Hook of REAR >
DONE
Drive SCREW : 6
POINT (M1.4*L4)

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3-1
This Document can not be used without Samsung's authorization
3.ChartofTroubleshooting
3-1.Baseband
3-1-1. Power ON
'Power On' dose not work
Check the current
consumption more than
100mA
Check the
Vbat more than 3.3V
Check the VLDO7_1.8V of
UCD301 is more than 1.8V
Check VCCD_1.8V of
U302=1.8V
Check VRF of UCD301=2.9V
Check Pin #8 of U101
Freq=13Mhz, Vpp>0.4V
Check the initial
operation
END
Download again
Change the Battery
Check UCD301 and C316
Check C384 of U302
Check UCD301 and C315
Check U101
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO

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Flow Chart of Troubleshooting and Circuit Diagrams
3-2
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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting and Circuit Diagrams
3-3
This Document can not be used without Samsung's authorization
3.3K,1%
R304
C313
C332
VCCA_2.9V
C316
C304
VCCB_2.9V
R301
R300
VRTC_1.5V
C312
C333
C314
C321
VRTC
K12
VSIM
G11
VLDO_1
J12
VLDO_2
A13
VLDO_3
B12
VLDO_4
B10
VLDO_5
A14
VLDO_6
C12
VLDO_7
A10
VREF
H11
E14
VEXT
F15
VIB_DRV
9
LN
E
_
G
N
R
_
B
I
V
A12
VL4S_A
B11
VL4S_B
D10
VL5S_A
VL5S_B C9
VACC
E13
VBAT
J13
VDD12
C11
VDD34
0
1
C
5
D
D
V
3
1
B
7
6
D
D
V
K14
SIM_CLK
J11
SIM_IO
K11
SIM_RST
N9
UP_CLK
P10
UP_IO
R10
UP_RST
F14
H10
RTC_ALMN
L8
SCLK_PSC
SDI_PSC M7
N7
SDO_PSC
9
MP
E
E
K
_
R
W
P
F13
RING_DRV
0
1
NE
D
O
M
0
1
LQ
R
T
N
I
G13
LED1_DRV
G12
LED2_DRV
E11
CH_BDRV
F12
CH_ISEN D14
CH_RES
CREF E9
CSN_PSC K8
E10
ADC_AUX1
D15
ADC_AUX2
VCCD_2.9V
G
E
N
1
2
S
O
P
BAT300
VBAT
C318
C315
VRF_2.9VVCCD_1.8V_A
22nF
C334
VCCB_2.9V
6.3V
VBAT
R302
C317 C319
U301
SIM_RST
SIM_IO
VSIM
SIM_CLK
ICHRG
UP_SDO
UP_SCLK
UP_CS
SIMDATA
SIMRST
RTCALARM
UP_SDI
SIMCLK