Samsung SGH-E870 Manuale utente

GSM TELEPHONE

SGH-E870

GSM TELEPHONE CONTENTS

1. Safety Precautions

2. Specification

3. Product Function

4. Array course control

5. Exploded View and Parts List

6. Disassembly and Assembly

instructions

7. MAIN Electrical Parts List

8. Block Diagrams

9. PCB Diagrams

10. Flow Chart of Troubleshooting

11. Reference data

Contents

1. Safety Precautions

1-1. Repair Precaution ...........................................................................1-1

1-2. ESD(Electrostatically Sensitive Devices) Precaution ...........................1-2

2. Specification

2-1. GSM General Specification ..............................................................2-1

2-2. GMSK TX Power Level ....................................................................2-2

2-3. EDGE TX Power Level ....................................................................2-3

3. Product Function

4. Array course control

Software Downloading

4-1. Downloading Binary Files ................................................................4-2

4-2. Pre-requsite for Downloading ..........................................................4-2

4-3. S/W Downloader Program ...............................................................4-3

5. Exploded View and Parts List

5-1. Cellular phone Exploded View .........................................................5-1

5-2. Cellular phone Part list ...................................................................5-2

6. Disassembly and Assembly instructions

6-1. Assembly .....................................................................................6-1

6-2. Disassembly ..................................................................................6-3

6-3. KIT Assembly ................................................................................6-5

7. MAIN Electrical Parts List

8. Block Diagrams

9. PCB Diagrams

10. Flow Chart of Troubleshooting

10-1. Baseband

10-1-1. Power ON ..............................................................................10-1

Contents

10-1-2. Initial ....................................................................................10-4

10-1-3. Sim Part ...............................................................................10-6

10-1-4. Microphone Part .....................................................................10-8

10-1-5. Speaker Part ........................................................................10-10

10-1-6. Camera Part ........................................................................10-12

10-1-7. Mp3 Display Part ..................................................................10-14

10-2. RF

10-2-1. EGSM RX .............................................................................10-16

10-2-2. DCS RX ...............................................................................10-17

10-2-3. PCS RX ...............................................................................10-18

10-2-4. EGSM TX .............................................................................10-19

10-2-5. DCS & PCS TX .....................................................................10-20

11. Reference data

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 a kind of magnetic object or tool,

because performance of parts is damaged by the influence of manetic force.

●Surely use a standard screwdriver when you disassemble this product,

otherwise screw will be worn away.

●Use a thicken twisted wire when you measure level.

A thicken 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 a repair 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 a circuit board.

2. Specification

2-1

2-1. GSM General Specification

GSM 900 DCS1800 PCS1900

Freq. Band[MHz]

Uplink/Downlink

880~915

925~960

1710~1785

1805~1880

1850~1910

1930~1990

ARFCN range 0~124

&975~1023 512~885 512~810

Tx/Rx spacing 45 MHz 95 MHz 80 MHz

Mod. Bit

rate/

Bit Period

GPRS 270.833 Kbps

3.692 us

270.833 Kbps

3.692 us

270.833 Kbps

3.692 us

EDGE 812.5 Kbps

3.692 us

812.5 Kbps

3.692 us

812.5 Kbps

3.692 us

Time Slot

Period/Frame Period

576.9 us

4.615 ms

576.9 us

4.615 ms

576.9 us

4.615 ms

Modulation

GPRS 0.3 GMSK 0.3 GMSK 0.3 GMSK

EDGE 8PSK 8PSK 8PSK

MS Power

GPRS 33 dBm~5 dBm 30 dBm~0 dBm 30 dBm~0 dBm

EDGE 27~5 dBm 26~0 dBm 26~0 dBm

Power

Level

GPRS 5pcl~19pcl 0pcl~15pcl 0pcl~15pcl

EDGE 8~19(class E2) 2~15(class E2) 2~15(class E2)

Sensitivity -102 dBm -100 dBm -102 dBm

TDMA Mux 8 8 8

Cell Radius 35 Km 2 Km 2 Km

Specification

2-2

2-2. GMSK TX power Level

TX Power

control

level

GSM900

5 33±2 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±5 dBm

18 7±5 dBm

19 5±5 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±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±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±4 dBm

12 6±4 dBm

13 4±4 dBm

14 2±5 dBm

15 0±5 dBm

Specification

2-3

2-3. EDGE TX Power Level

TX Power

control

level

GSM850

827±3dBm

925±3dBm

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±3dBm

324±3dBm

422±3dBm

520±3dBm

618±3dBm

716±3dBm

814±3dBm

912±4dBm

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

226±3dBm

324±3dBm

422±3dBm

520±3dBm

618±3dBm

716±3dBm

814±3dBm

912±4dBm

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

-Camera and camcorder

Use the camera module on your phone to take a photo or record a video.

-Music player

Playmusicfilesusingyourphoneasamusicplayer.

-Web browser

Access the wireless web to get up-to-the-minute information and a wide variety of

media content.

-Image editor

Crop, resize, rotate, and decorate your photos.

-Voice commands

Experience a new level of voice command capability that allows for easy hands-free

use. You can select menus, control camera settings, as well as make phone calls without

any key presses.

-Bluetooth

Transfer media files and personal data and connect to other devices using free, wireless

Bluetooth technology.

-Photo printing

Print your photos to preserve your best moments forever.

-Multimedia Message Service (MMS)

Send and receive MMS messages with a combinagion of text, image, video, and audio.

-E-mail

Send and receive e-mails with image, video, and audio attachments.

-Get personal with photo/video caller ID

See who's calling you when their very own photo or video displays.

-Phone to TV

View photos and video clips captured with the phone on your TV screen.

-Java

Enjoy Java™-based embedded games and download new games.

SAMSUNG Proprietary-Contents may change without notice

4. Array course control

4-1

This Document can not be used without Samsung's authorization

Test Jig (GH80-03307A)

Test Cable (GH39-00127A)

RF Test Cable (GH39-00397A )

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