Samsung SGH-P270 Manuale utente

GSM TELEPHONE

SGH-P270

1. Safety Precautions

2. Specification

3. Product Function

4. Array course control

5. Exploded View and Parts list

6. MAIN Electrical Parts List

7. Disassembly and Assembly

Instructions

8. Block Diagrams

9. PCB Diagrams

10. Chart of Troubleshooting

11. Reference data

GSM TELEPHONE CONTENTS

This Service Manual is aproperty of Samsung Electronics Co.,Ltd.

Any unauthorized use of Manual can be punished under applicable

International and/or domestic law.

Samsung Electronics Co.,Ltd.

2008. 11. Rev.1.0

ⓒ

Country Web Site

North America service.samsungportal.com

Latin America latin.samsungportal.com

CIS cis.samsungportal.com

Europe europe.samsungportal.com

China china.samsungportal.com

Asia asia.samsungportal.com

Mideast &Africa mea.samsungportal.com

GSPN (Global Service Partner Network)

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2. Specification

This Document can not be used without Samsung's authorization

2-1

GSM900

Phase 1

EGSM 900

Phase 2

DCS1800

Phase 1 PCS1900

Freq. Band[MHz]

Uplink/Downlink

890~915

935~960

880~915

925~960

1710~1785

1805~1880

1850~1910

1930~1990

ARFCN range 1~124 0~124 &

975~1023 512~885 512~810

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

Mod. Bit rate

/BitPeriod

270.833kbps

3.692us

270.833kbps

3.692us

270.833kbps

3.692us

270.833kbps

3.692us

Time Slot Period

/FramePeriod

576.9us

4.615ms

576.9us

4.615ms

576.9us

4.615ms

576.9us

4.615ms

Modulation 0.3GMSK 0.3GMSK 0.3GMSK 0.3GMSK

MS Power 33dBm~5dBm 33dBm~5dBm 30dBm~0dBm 30dBm~0dBm

Power Class 5pcl ~ 19pcl 5pcl ~19

pcl 0pcl ~15

pcl

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

TDMA Mux 8 8 8 8

Cell Radius 35Km 35Km 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 PCS1900

030±2

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

TX Power

control level DCS1800

030±2

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

TX Power

control level GSM900

533±2

dBm

631±3

dBm

729±3

dBm

827±3

dBm

925±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

2-2. GSM TX power class

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Specification

This Document can not be used without Samsung's authorization

2-3

TX Power

control level GSM900

827±3

dBm

925±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/+3

dBm

324±3

dBm

422±3

dBm

520±3

dBm

618±3

dBm

716±3

dBm

812±3

dBm

910±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

2-3. GSM EDGE TX power class

TX Power

control level PCS1900

226-4/+3

dBm

324±3

dBm

422±3

dBm

520±3

dBm

618±3

dBm

716±3

dBm

812±3

dBm

910±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

－2MEGA PIXEL CMOS

－MP3 /64Poly Melody

－BT 2.0

－USB 2.0

－WAP 2.0

－FM Radio with RDS

－MIDP 2.0 / CLDC 1.1

－GPRS/EDGE :c

lass 12

－SMS /M

－BT/FM :Stereo FM Radio +BT (CSR)

－Battery: 960mA

－Weight: 93.3 g

－Memory:1G LB +512Mb

－Camera: 2M + CIF CMOS

－LCD :2.2”,176

x220, 262K TFT

－Size: 99x49x14.9mm (TBD)

－Band: 900/1800/1900/2100

－BB :PNX 5217 (NXP)

－RF :UAA3582(3G) +SI4221(2G)

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10. Reference data

10-1

This Document can not be used without Samsung's authorization

Reference Abbreviate

―AAC:Advanced Audio Coding.

―AVC :Advanced Video Coding.

―BER :Bit Error Rate

―BPSK:Binary Phase Shift Keying

―CA :Conditional Access

―CDM :Code Division Multiplexing

―C/I :Carrier to Interference

―DMB :Digital Multimedia Broadcasting

―EN :European Standard

―ES :Elementary Stream

―ETSI:European Telecommunications Standards Institute

―MPEG:Moving Picture Experts Group

―PN :Pseudo-random Noise

―PS :Pilot Symbol

―QPSK:Quadrature Phase Shift Keying

―RS :Reed-Solomon

―SI :Service Information

―TDM :Time Division Multiplexing

―TS :Transport Stream

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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 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

This Document can not be used without Samsung's authorization

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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5. Exploded View and Parts List

5-1

This Document can not be used without Samsung's authorization

5-1. Cellular phone Exploded View

QMW01

QFU01

QMO01

QFL01

QCR17

QAR01

QCA02

QLC01

QME02

QKP02

QPC01

QFR01

QKP01

QME01

QCR12

QMP01

QMI01

QSH01

QAN03

QRE01

QCR03

QBA01

QBA00

QMI03

QCO01

QCH05

QIF01

QCK01

QSP01

QCA01

QAN02

QCR57

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