Samsung GT-B7702 Manuel utilisateur

GSM TELEPHONE

GT-B7702

GSM TELEPHONE CONTENTS

Notice

All functionality, features, specifications and o

ther product information provided in this docu

ment including, but not limited to, the benefit

s, design, pricing, components, performance,

availability, and capabiliti-es of the product

are subject to change without notice or oblig

ation. Samsung reserves the right to make

changes to this document and the product

described herein, at anytime, without

obligation on Samsung to provide notification

of such change.

1. Safety Precautions

2. Specification

3. Product Function

4. Array course control

5. Exploded View and Parts List

6. Main Electrical Parts List

7. Block Diagrams

8. PCB Diagrams

9. Flow Chart of Troubleshooting

10. Reference data

11. Disassembly and Assembly

instructions

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1. Safety Precautions

1-1

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1-1. Repair Precaution

―Repair in Shield Box, during detailed tuning.

Take specially care of tuning or test, because the specification of cellular phone is sensitive for

surrounding interference(RF noise).

―Be careful to use akind of magnetic object or tool, because performance of parts is damaged by

the influence of magnetic force.

―Surely use astandard screwdriver when you disassemble this product, otherwise screw will be

worn away.

―Use athicken twisted wire when you measure level.

Athicken twisted wire has low resistance, therefore error of measurement is few.

―Repair after separate Test Pack and Set because for short danger (for example an overcurrent

and furious flames of parts etc) when you repair board in condition of connecting Test Pack and

tuning on.

―Take specially care of soldering, because Land of PCB is small and weak in heat.

―Surely tune on/off while using AC power plug, because arepair of battery charger is dangerous

when tuning ON/OFF PBA and Connector after disassembling charger.

―Don't use as you pleases after change other material than replacement registered on SEC System.

Otherwise engineer in charge isn't charged with problem that you don't keep this rules.

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Safety Precautions

1-2

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1-2. ESD(Electrostatically Sensitive Devices) Precaution

Several semiconductor may be damaged easily by static electricity. Such parts are called by ESD

(Electrostatically Sensitive Devices), for example IC,BGA chip etc. Read Precaution below.

You can prevent from ESD damage by static electricity.

―Remove static electricity remained your body before you touch semiconductor or parts with

semiconductor. There are ways that you touch an earthed place or wear static electricity prevention

string on wrist.

―Use earthed soldering steel when you connect or disconnect ESD.

―Use soldering removing tool to break static electricity. Otherwise ESD will be damaged by static

electricity.

―Don't unpack until you set up ESD on product. Because most of ESD are packed by box and

aluminum plate to have conductive power,they are prevented from static electricity.

―You must maintain electric contact between ESD and place due to be set up until ESD is

connected completely to the proper place or acircuit board.

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2. Specification

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2-1

2-1. GSM General Specification

EGSM 900 DCS1800 PCS1900 TD-SCDMA

Freq. Band[MHz]

Uplink/Downlink

880~915

925~960

1710~1785

1805~1880

1850~1910

1930~1990 2010~2024

ARFCN range 0~124 &

975~1023 512~885 512~810 10054~10121

Tx/Rx spacing 45MHz 95MHz 80MHz 0

Mod. Bit rate/

Bit Period

270.833kbps

3.692us

270.833kbps

3.692us

270.833kbps

3.692us

1.28Mcps

Time Slot Period/Frame

Period

576.9us

4.615ms

576.9us

4.615ms

576.9us

4.615ms 675us/5ms

Modulation

GSM/

GPRS 0.3GMSK 0.3GMSK 0.3GMSK

QPSK

EDGE 8PSK 8PSK 8PSK

MS Power 33dBm~5dBm 30dBm~0dBm 30dBm~0dBm +24dBm~-49dBm

Power Class 4

(max +33dBm)

(max +30dBm)

(max +24dBm)

Sensitivity -102dBm -100dBm -100dBm -108dBm

TDMA Mux 8 8 8 7

Cell Radius 35Km 2Km 2Km 11Km

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Specification

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2-2

2-2. GSM TX power class

TX Power

control level PCS1900

030±2dBm

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

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±2 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

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Specification

2-3

TX Power

control level

GSM900

GSM850

8 27±3 dBm

9 25±3 dBm

10 23±3 dBm

11 21±3 dBm

12 19±3 dBm

13 17±3 dBm

14 15±3 dBm

15 13±3 dBm

16 11±5 dBm

17 9±5 dBm

18 7±5 dBm

19 5±5 dBm

TX Power

control level DCS1800

226-4/+3dBm

324±3dBm

422±3dBm

520±3dBm

618±3dBm

716±3dBm

812±3dBm

910±3dBm

10 14±3 dBm

11 12±4 dBm

12 10±4 dBm

13 8±4dBm

14 6±4 dBm

15 4±4 dBm

2-3. GSM EDGE TX power class

TX Power

control level PCS1900

226-4/+3dBm

3 24±3 dBm

4 22±3 dBm

5 20±3 dBm

6 18±3 dBm

7 16±3 dBm

8 12±3 dBm

9 10±3 dBm

10 14±3 dBm

11 12±4 dBm

12 10±4 dBm

13 8±4dBm

14 6±4 dBm

15 4±4 dBm

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3. Product Function

3-1

This Document can not be used without Samsung's authorization

Main Function

-TD-SCDMA HSDPA 2.8Mbps

-Dual Standby (Dual TX, Dual RX)

-5M AF Camera

-Bluetooth V.2.0

-Stereo Bluetooth Headset

-3.2" WQVGA 262K TFTwith Touch screen

-EXT. Memory

-SMS/MMS/E-Mail

-WAP 2.0 / Java MIDP 2.0

-MP3, AAC, MP4, 3GPP Decoding

-Video Recording and Messaging

-GSM/GPRS/EDGE Class 10

-FM radio, GPS

-CMCC Customized Service

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4. Array course control

4-1

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4-1. Software Adjustments

Test Cable (GH39-01160A)

Test Jig (GH99-36900A)

RF Test Cable (GH39-00985A) Adapter (GH99-38251A)

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Array course control

4-2

This Document can not be used without Samsung's authorization

4-2. Software Downloading

4-2-1. Pre-requsite for Downloading

•Downloader Program(Kellan_Downloader_1.0.exe)

•GT-B7702 Mobile Phone

•Data Cable,USB cable

•Binary file, TFS file

4-2-2. S/W Downloader Program

■Load the binary download program by executing the

“Kellan_Downloader_1.0.exe”

Master Download (USB Communication)

1. Select the download mode you want.

-check MASTER

2.Select the USB.

3.Select the Erase option.

4.Push the Partition file and Select the file you want to download

5.Push the Advanced Configuration. and Check FormatBBM

=> Push the Start Button

Slave Download (Serial Communication)

1. Select the download mode you want.

-check SLAVE

2.Select the connected serial Port and the Rate of speed

6.Select the file you want to download

7.Select the check box, the mode you want to download.

-if the binary file wanted, check only 'BIN'

-if the tfs file wanted, check only 'TFS'

-if all the files wanted, check 'BIN+TFS'

=> Push the Start Button

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Array course control

4-3

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