Samsung GT-B7300 Manual de usuario

GSM TELEPHONE

GT-B7300

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. Chart of Troubleshooting

10. Reference data

11. Disassembly and Assembly

Instructions

GSM TELEPHONE CONTENTS

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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 specipicty 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 manetic 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 disassembing 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 easilly 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

GSM850 EGSM 900 DCS1800 PCS1900 W-CDMA

900

W-CDMA

2100

Freq.

Band[MHz]

Uplink/Downl

ink

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 128~251 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

270.833kb

3.692us

270.833kb

3.692us

270.833kb

3.692us

270.833kb

3.692us

3.84Mcps 3.84Mcps

Time Slot

Period/Frame

Period

576.9us

4.615ms

576.9us

4.615ms

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

(max

+33dBm)

(max

+33dBm)

(max

+33dBm)

(max

+33dBm)

(max +24dBm)

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

TDMA Mux 8 8 8 8

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

2-1. GSM General Specification

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This Document can not be used without Samsung's authorization

Specification

2-2

TX Power

control level

GSM850

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

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±4dBm

12 6±4 dBm

13 4±4 dBm

14 2±5 dBm

15 0±5 dBm

2-2. GSM TX power class

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±4dBm

12 6±4 dBm

13 4±4 dBm

14 2±5 dBm

15 0±5 dBm

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3. Operation Instruction and Installation

3-1

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Main Function

-Slim Bar Design 3G MITS

-3.0Megapixel Camera

-3.0"WQVGA 262K Color TFT Screen

-External Memory microSD (T-Flash)

-Video Recording &Messaging

-Music Player(MP3/AAC/AAC+)

-FM Radio Support

-A-GPS Support

-Bluetooth Wireless Technology V2.0+EDR

-Multimedia Message Service (MMS) /SMS /E-mail

-Voice recorder

-Speaker Phone

-Java MIDP 2.0/ WAP2.0

-GSM/GPRS Class 10

-Quad-band(850/900/1800/1900MHz)

-WCDMA Dual(900/2100MHz)

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4. Array course control

4-1

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4-1. Software Adjustments

Test Jig (GH99-36900A)

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

Test Cable (GH39-01290A)

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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. Downloading Binary Files

•Buckingham_LPFlash.nb0

•Buckingham_Bootloader.nb0

•CSC_GT-B7300XXIH2.csc

•Phone_B7300XXIH2.bin

•Buckingham Downloader v2.4.exe

4-2-2. Pre-requsite for Downloading

•Downloader Program :(

Buckingham Downloader v2.4.exe)

•Binary files

•GT-B7300 Mobile Phone

•USB cable

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Array course control

4-3

This Document can not be used without Samsung's authorization

4-2-3. S/W Downloader Program

1-1

1) Load the binary download program by executing

the "Buckingham Downloader v2.4.exe"

2) Select the binary filesthat you want to download

-Press the "Eboot"button and select "Buckingham_Bootloader.nb0"

-Press the "PDA"button and select "Buckingham_LPFlash.nb0"

-Press the "CSC"button and select "CSC_GT-B7300XXIH2.csc"

-Press the "Phone"button and select "Phone_B7300XXIH2.bin"

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Array course control

4-4

This Document can not be used without Samsung's authorization

3) Press the "Detect"button and connect the Handset using by USB cable.

4) Turn on the device pressing by END Key.

5) Press the "Start downloading"button if the device found.

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