Samsung GT-B5702 Manuale utente

GSM TELEPHONE

GT-B5702

GSM TELEPHONE CONTENTS

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

12. Schematic Diagram

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1. Safety Precautions

1-1

This Document can not be used without Samsung's authorization

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

This Document can not be used without Samsung's authorization

2-1

2-1. GSM General Specification

GSM 850 EGSM 900 DCS1800 PCS1900 W-CDMA

900 W-CDMA

2100

Freq. Band[MHz]

Uplink/Downlink 824~849

869~894 880~915

925~960 1710~1785

1805~1880 1850~1910

1930~1990 882~913

927~958 1920~1980

2110~2170

ARFCN range 128~25 0~124 &

975~1023 512~885 512~810 UL:2712~2863

DL:2937~3088

UL:9612~9888

DL:10562~

10838

Tx/Rx spacing 45MHz 45MHz 95MHz 80MHz 45MHz 130MHz

Mod. Bit rate/

Bit Period 270.833kbps

3.692us 270.833kbps

3.692us 3.84Mcps 3.84Mcps

Time Slot

Period/Frame

Period

576.9us

4.615ms 576.9us

4.615ms

Frame length:

10ms

Slot length :

0.667ms

Frame length:

10ms

Slot length :

0.667ms

Modulation 0.3GMSK 0.3GMSK 0.3GMSK 0.3GMSK QPSK

HQPSK QPSK

HQPSK

MS Power 33dBm

~5dBm 33dBm

~5dBm 30dBm

~0dBm 30dBm

~0dBm 24dBm~- 50dBm 24dBm ~ -

50dBm

Power Class 4

(max

+33dBm)

(max

+33dBm)

(max

+30dBm)

(max

+30dBm)

(max +24dBm) 3

(max +24dBm)

Sensitivity -102dBm -102dBm -100dBm -100dBm -106.7dBm -106.7dBm

TDMAMux8888

Cell Radius 35Km 35Km 2Km 2Km 2Km 2Km

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Specification

2-2

This Document can not be used without Samsung's authorization

TX Power

control level GSM850

GSM900

533±2

dBm

631±2

dBm

729±2

dBm

827±2

dBm

925±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±3 dBm

18 7±3 dBm

19 5±3 dBm

TX Power

control level DCS1800

030±3

dBm

128±3

dBm

226±3

dBm

324±3

dBm

422±3

dBm

520±3

dBm

618±3

dBm

716±3

dBm

814±3

dBm

912±4

dBm

10 10±4 dBm

11 8±4 dBm

12 6±4 dBm

13 4±4 dBm

14 2±5 dBm

15 0±5 dBm

TX Power

control level PCS1900

030±3

dBm

128±3

dBm

226±3

dBm

324±3

dBm

422±3

dBm

520±3

dBm

618±3

dBm

716±3

dBm

814±3

dBm

912±4

dBm

10 10±4 dBm

11 8±4 dBm

12 6±4 dBm

13 4±4 dBm

14 2±5 dBm

15 0±5 dBm

2-2. GSM Tx Power Class

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3. Product Function

3-1

This Document can not be used without Samsung's authorization

Main Function

－HSDPA /UMTS, EDGE, GPRS

－MP3 /40Poly Melody

－BT 2.0 + EDR

－Video Sharing /Streaming

－USB 2.0

－WAP2.0, JAVA, MPEG4

－MIDP 2.0 / CLDC 1.1

－Auto Time Setting,

－MMS /SMS

－Weight: 103g

－Camera: 3.0 Mega Pixel, CMOS

CIF CAMERA(Video Call)

－LCD :2.4"

TFT (LCD)

－Size: 111.9x59.7x12.6 mm

－GPRS/EDGE :c

lass 10

－Battery: 1480mAH

－Memory: 256MB DDR +256

MB ROM

－Band: GSM 850/900/1800/1900, FDDⅠ/Ⅷ

－BB: Qualcomm MSM7225

－RF: Qualcomm RTR6285

－WLAN 802.11 b/g

－A-GPS

－FM RADIO

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4. Array course control

4-1

This Document can not be used without Samsung's authorization

4-1. Software Adjustments

Test Cable (GH39-01339A)

Test Jig (GH99-36900A)

Adapter (GH99-38251A)

RF Test Cable (GH39-00985A)

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Array course control

4-2

This Document can not be used without Samsung's authorization

4-2. Software Download

4-2-1. Pre-requisite for Download

•Download Program

-GT-B7320_7330_MultiDownloader_MCCI_v7.0.exe

•USB Driver

-[PDA]: The latest Microsoft ActiveSync program (Version 4.5 or higher)

Phone]: Samsung CDMA Modem [SAMSUNG_MODEM_4.34.zip]

•GT-B7320 Mobile Device

•Binary files

•ActiveSync Setting

•Driver Installation.

4-2-2. Driver Installation

•[

PDA]

-Make Sure that you install the latest ActiveSync program.

•[

Phone]

-Make sure that you install the driver for aphone.

-You have to install the driver of Samsung CDMA Modem of downloading aphone

image

-Restart your host PC after you install the phone driver.

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Array course control

4-3

This Document can not be used without Samsung's authorization

4-2-3. S/W Download Process

1) Execute the downloader

Execute the ‘GT-B7320_7330_MultiDownloader_MCCI_v7.0.exe’program

2) Load Image

Click the “EBOOT”, “PDA”or “Phone”button, and you can select the image type.

BOOT: eboot_UCXXX.eb0

PDA:flash_UCXXX.pda

Phone: phone_UCXXX.bin

(Notice :The buttons of PDA and Eboot will be activated

after phone image is added first)

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Array course control

4-4

This Document can not be used without Samsung's authorization

3) Select the download mode

Check equally with part marked to red box.

(Notice :Don’t check the ‘EFS Clear’)

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