Samsung SGH-E490 Service 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. GSM General Specification

GSM900 Phase 1

Freq. Band[MHz]

Uplink/Downlink

ARFCN range 1~124

Tx/Rx spacing 45MHz 45MHz 95MHz 80MHz

Mod. Bit rate/

Bit Period

Time Slot

Period/Frame

Period

Modulation 0.3GMSK 0.3GMSK 0.3GMSK 0.3GMSK

MS Power 33dBm~13dBm 33dBm~5dBm 30dBm~0dBm 30dBm~0dBm

890~915 935~960

270.833kbps

3.692us

576.9us

4.615ms

EGSM 900

Phase 2

880~915 925~960

0~124 &

975~1023

270.833kbps

3.692us

576.9us

4.615ms

DCS1800

Phase 1

1710~1785 1805~1880

512~885 512~810

270.833kbps

3.692us

576.9us

4.615ms

PCS1900

1850~1910 1930~1990

270.833kbps

3.692us

576.9us

4.615ms

Power C l a s s 5pc l ~ 15pcl 5pcl ~ 19pcl 0pcl ~ 15pcl 0pcl ~ 15pcl

Sensitivity -102dBm -102dBm -100dBm -100dBm

TDMA Mux 8 8 8 8

Cell Radius 35Km 35Km 2Km -

1-1

Speclflcation

1-2. GSM Tx Power Class

TX Power

control level

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

GSM900

TX Power

control level

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

DCS1800

TX Power

control level

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

PCS1900

15 0±5 dBm

1-2

15 0±5 dBm

2. Exploded View and Parts List

2-1. Cellular phone Exploded View

QKP01

QME01

QMI03

QFU03QFU02 QFU06

QFU01

QFR01

QSH01

QMP01

QRE01

QBA01

QRF01

QRF03

QVO01

QCB01

QAN02

QSD01

QCK01

QCA01

QSC07

QME03

QSC05

QSP02

QSP01

QCR57

QLC01

QMO01

QAR01

QHI01

QFL01

QCR05

QMW01

QCR04

QBC02QBC01 QBC06

2-1

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Exploded View and Parts List

2-2. Cellular phone Parts list

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

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

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Exploded View and Parts List

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

2-3

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Exploded View and Parts List

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

6001-001478 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

2-4

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Exploded View and Parts List

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

2-5

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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

Exploded View and Parts List

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

2-6

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Exploded View and Parts List

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

2-7

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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

Exploded View and Parts List

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

2-8

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Exploded View and Parts List

2-3. Disassembly

①

②

③

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.

LCD CONNEC OTR

KEY CONNEC TOR

RF CONNECT OR

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

INTENNA and RF CABLE

1. Take off a FRONT LABEL.

2. Separate Antenna and RF cable from Unit.

Put tweezers to hole and press down a hinge.

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.

2-9

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Exploded View and Parts List

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.

SCREWCAP/SCREW

1. Remove SCREW CAP using tweezers.(2POINT)

2. Release SCREW.

※

caution

1. Do not make scratch when you using tweezers.

①

②

④

1. Seperate UPPER from LOWER.

-ReleaseaHOOKwhichlocateupside.

※

caution

1. Be careful Hook damage when you disjoint a

REAR.

③

1. DONE

2-10

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Exploded View and Parts List

2-4. Assembly

Arrange Wire.

Put SPKs and a CAM.

Put MOT, CAM, SPK.

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

②

FOLDER

UPPER

③

1.Join UPPER to LOWER.(Refer to the Picture)

※

caution

1. Be sure that UPPER is hooked on LOWER

④

SCREW(2POINT)

1.Drive SCREWs to LOVWER. (M1.4*L3 2 POINT)

2. Attach SCREW CAP.

※

caution

1.Check Right and Left. The shape is different.

Left Right

SCREW CAP

KEY F-PCB GUIDE HOLE

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.

→

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Exploded View and Parts List

Assemble during pressing a hinge.

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.

Connect KEY, LCD CONNECTOR

After seting up Antenna, arrange RF CABLE

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.

Watch out when you connect RF CONNECTOR.

DONE

<Assemble REAR from

upside>

<Assemble Antenna

Part>

<Assemble both sides

Hook of REAR >

※

caution

1. Be caredful that you do not damage SIDE FPCB 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.

Drive SCREW : 6

POINT (M1.4*L4)

2-12

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3.ChartofTroubleshooting

3-1.Baseband

3-1-1. Power ON

'Power On' dose not work

YES

Check the current

consumption more than

Check the VLDO7_1.8V of UCD301 is more than 1.8V

Check VRF of UCD301=2.9V

Check Pin #8 of U101

Freq=13Mhz, Vpp>0.4V

100mA

YES

Check the

Vbat more than 3.3V

YES

Check VCCD_1.8V of

U302=1.8V

YES

Download again

Change the Battery

Check UCD301 and C316

Check C384 of U302

Check UCD301 and C315

Check U101

YES

Check the initial

operation

YES

END

3-1

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Flow Chart of Troubleshooting and Circuit Diagrams

3-2

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Flow Chart of Troubleshooting and Circuit Diagrams

VBAT

C304

7 6

VDD34

D V

VDD12

UP_CLK UP_RST

UP_IO

SIM_IO

SIM_RST SIM_CLK

VSIM

VRTC

VIB_DRV

VLDO_7 VLDO_6

VL5S_B VL5S_A VLDO_5 VL4S_B VL4S_A VLDO_4 VLDO_3 VLDO_2 VLDO_1

VACC

CSN_PSC

SDO_PSC

SDI_PSC

VEXT VBAT

CH_BDRV

CH_ISEN

CH_RES

VREF

CREF

E _

G N R _ B

I V

9 L

C11 J13

R10 P10 J11

K11 K14

K12 H11 G12 G13 F13

F15 C12 A14 C9 D10 B10 B11

A12 B12 A13 J12

G11 F14

K8 L8 N7 M7

E14 E13 E11 F12 D14

D15 E10 A10 E9 H10

C334 22nF

6.3V

SIMCLK SIMRST SIMDATA

UP_CS UP_SCLK UP_SDO UP_SDI

ICHRG

R304

3.3K,1%

VBAT

C321

SIM_IO SIM_RST SIM_CLK

VSIM

VCCA_2.9V

C316

E D O M

0 1 N

D D V

LED2_DRV LED1_DRV RING_DRV

SCLK_PSC

ADC_AUX2 ADC_AUX1

P E

RTC_ALMN

E K

N I

0 1

R300

C332

VRF_2.9VVCCD_1.8V_A

C314

VCCD_2.9V

C315

R302

C318

U301

R301

VCCB_2.9V

C313

C317 C319

VRTC_1.5V

VCCB_2.9V

C312

C333

S O P

BAT300

G E N

RTCALARM

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Flow Chart of Troubleshooting and Circuit Diagrams

VCCD_1.8V

C384

C382

L301

C386

VBAT

VCCD_2.9V

VFB1

VOUT

VIN

SW1

GND

U302

GND

VFB2

OUT2

RUN1

SW2

RUN2

VCCD_1.8V_A

C383

VCCD_1.6V

L302

C385

VIO

_RES

XOUT

BIP

BIN

BQP

BQN

SCLK

SDIO

_SEN

C121

C122

C111

RTXQP

RTXQN

RTXIP

RTXIN

C123

R104

SERCLK

SERDAT

SERLE

3-4

R105

R101

R102

C110

C112

CLK13M_TR

CLK13M_MC

CLK13M_WM

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3-1-2. System Initial

Initial Failure

YES

Flow Chart of Troubleshooting and Circuit Diagrams

Check the VCCD_1.8V of UCD301

"High" When the phone

is boot on

YES

Check the VCCD_1.8V of

U302 is "High"

YES

LCD display is O.K?

YES

Sound is O.K?

YES

END

Check UCD301

Check U302

Check CN301 and LCD part

Check Audio part

3-5

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