Samsung B2700 Manual de usuario

GSM TELEPHONE

Samsung B2700

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

SAMSUNG Proprietary-Contents may change without notice

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.

SAMSUNG Proprietary-Contents may change without notice

Safety Precautions

1-2

This Document can not be used without Samsung's authorization

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.

2. Specification

2-1

2-1. GSM General Specification

GSM850 EGSM 900

Phase 2 DCS1800 PCS1900 WCDMA

Freq. Band[MHz]

Uplink/Downlink

824~849

869~894

880~915

925~960

1710~1785

1805~1880

1850~1910

1930~1990

1920~1980

2110~2170

ARFCN range 128~251 0~124 &

975~1023 512~885 512~810 10562~10838

Tx/Rx spacing 45 MHz 45 MHz 95 MHz 80MHz 190MHz

Mod. Bit rate/

Bit Period

270.833 Kbps

3.692 us

270.833 Kbps

3.692 us

270.833 Kbps

3.692 us

270.833 Kbps

3.692 us 3.84Mcps/s

Time Slot

Period/

Frame Period

576.9 us

4.615 ms

576.9 us

4.615 ms

576.9 us

4.615 ms

576.9 us

4.615 ms 10ms

Modulation 0.3 GMSK 0.3 GMSK 0.3 GMSK 0.3 GMSK Up Link:2BPSK

Down Link:QPSK

MS Power 33 dBm~5 dBm 33 dBm~5 dBm 30 dBm~0 dBm 30 dBm~0 dBm MAX:24(+1.-3)dBm

MIN:<-50dBm

Power Class 5pcl ~19pcl 5pcl ~19pcl 0pcl ~15pcl 0pcl ~15pcl CLASS 3

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

TDMA Mux 8888-

Cell Radius 35 Km 35 Km 2 Km - -

Specification

2-2

2-2. GSM TX power class

TX Power

control level

GSM850

GSM900

5 33±3 dBm

6 31±3 dBm

7 29±3 dBm

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±5dBm

18 7±5 dBm

19 5±5 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

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±4 dBm

12 6±4 dBm

13 4±4 dBm

14 2±5 dBm

15 0±5 dBm

SAMSUNG Proprietary-Contents may change without notice

3. Product Function

3-1

This Document can not be used without Samsung's authorization

Main Function

-Pedometer

-Compass

-Torch Light

-2MAF CMOS Camera

-Music Player

-FM Radio

-Bluetooth 2.0

-USB 2.0 Highspeed

SAMSUNG Proprietary-Contents may change without notice

4. Array course control

4-1

This Document can not be used without Samsung's authorization

4-1. Software Adjustments

Test Cable (GH39-01160A)

Test Jig (GH99-36900A)

RF Test Cable (GH99-38251A)

RF Test Cable (GH39-00985A)

SAMSUNG Proprietary-Contents may change without notice

Array course control

4-2

This Document can not be used without Samsung's authorization

Software Downloading

4-1. Downloading Binary Files

ㆍBinary Version can be changed.

File Comments

B2700XXHG5_Open_Europe_Common_Comp.ptt Binary files

4-2. Pre-requsite for Downloading

ㆍDownloader Program(Flash loader v1.3 Lite 7.0.7_CRC_STALL.exe)

ㆍSAMSUNG B2700 Mobile Phone

ㆍData Cable

ㆍZIG Box(GH80-03306A)

ㆍBinary files

4-3. S/W Downloader Program

1. Load the binary download program by executing the

"Flash loader v1.3 Lite 7.0.7_CRC_STALL.exe".

[Program main window]

SAMSUNG Proprietary-Contents may change without notice

Array course control

4-3

This Document can not be used without Samsung's authorization

2. ㆍClick "NAND_FLASH"to select type of memory chip of SAMSUNG B2700

on the location menu.

ㆍCheck "Erase and Write"to select option on Command.

ㆍCheck "USB"on Communication Settings.

3. Click "Partition Table" to load Binary folder.

SAMSUNG Proprietary-Contents may change without notice

Array course control

4-4

This Document can not be used without Samsung's authorization

If the previous processes were successful, you can find new window as below.

4. Click "Browse" button to load Binary file.

Find adirectory that binary files are saved.

Select ".ppt"file and click "열기(OPEN)"

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