Samsung SGH-E316 Manuale utente

SGH-E316

SERVICE

Manual

GSM TELEPHONE CONTENTS

1. General Introduction

2. Specification

3. Circuit Description

4. Test Command & Test Procedure

5. Flow Chart of Troubleshooting

6. Exploded Views and Parts List

7. Electrical Parts List

8. Block Diagrams

9. PCB Diagrams

GSM TELEPHONE

ELECTRONIC

Samsung Electronics Co.,Ltd. JUNE. 2004

Printed in Korea.

Code No.: GH68-05425A

BASIC.

ⓒ

This Service Manual is a property of Samsung Electronics Co.,Ltd.

Any unauthorized use of Manual can be punished under applicable

International and/or domestic law.

SAMSUNG Proprietary-Contents may change without notice

1. SGH-E316 General Introduction

This Document can not be used without Samsung's authorization

1-1

The SGH-E316 Dual Band phone functions as digital phone working in GSM

(Global System for Mobile communications)850 and PCS(Personal

Communication System)1900 modes.



● Dimension : 79x42x22 mm (with Standard Batt.

● Weight : 70g (with Standard Battery)

● LCD -.Internal LCD : 65K" TFT Color LCD (128 x 128), small LCD 65K TFT Color LCD

● R/F band : GSM850MHz+ PCS1900 MHz

● Vocoder : EFR + FR +AMR

● Antenna : Fixed type

●    

 

●    

      

          

    

             

     

        

    

󰅍   

󰅍   

󰅍   

   

● Handset + Standard Battery + TA

+EarPhone

   

󰅍 

    

󰅍  

󰅍  

SAMSUNG Proprietary-Contents may change without notice

2. SGH-E316 Specification

This Document can not be used without Samsung's authorization

2-1

GSM850 PCS1900

Freq. Band[MHz]

Uplink/Downlink 824~849

869~894 1850~1910

1930~1990

ARFCN range 128~251 512~810

Tx/Rx spacing 45MHz 80MHz

Mod. Bit rate/

Bit Period 270.833kbps

3.692us 270.833kbps

3.692us

Time Slot Period/Frame Period 576.9us

4.615ms 576.9us

4.615ms

Modulation 0.3GMSK 0.3GMSK

MS Power 33dBm~13dBm 30dBm~0dBm

Power Class 5pcl~15pcl 0pcl ~ 15pcl

Sensitivity -102dBm -100dBm

TDMA Mux 8 8

Cell Radius 35km -

1. GSM General Specification

SAMSUNG Proprietary-Contents may change without notice

SGH-E316 Specification

2-2

This Document can not be used without Samsung's authorization

2. GSM TX power class

TX Power

control level GSM900

533±2dBm

631±2dBm

729±2dBm

827±2dBm

925±2dBm

10 23±2dBm

11 21±2dBm

12 19±2dBm

13 17±2dBm

14 15±2dBm

15 13±2dBm

16 11±2dBm

17 9±2dBm

18 7±2dBm

19 5±2dBm

TX Power

control level PCS1900

030±3dBm

128±3dBm

226±3dBm

324±3dBm

422±3dBm

520±3dBm

618±3dBm

716±3dBm

814±3dBm

912±4dBm

10 10±4dBm

11 8±4dBm

12 6±4dBm

13 4±4dBm

14 2±5dBm

15 0±5dBm

SAMSUNG Proprietary-Contents may change without notice

4. SGH-E316 Test Command & Test Procedure

4-1

This Document can not be used without Samsung's authorization

1. Calibration Equipment

-HP8960

- DC Power Supply

-TestJig

- Configuration

HP8960

+ --

TEST JIG

Serial

P C

GPIB

Serial

DC POWER SUPPLY

GPIB

2. Calibration Program

- Samsung internal software

SAMSUNG Proprietary-Contents may change without notice

SGH-E316 Test Command & Test Procedure

4-2

This Document can not be used without Samsung's authorization

3. Tx Power Tune up Procedure

1) Procedure:

a. Calibraion equipment HP8960 and the cell phone are connected through

RF cable.

b. Target power ( required power level according to the specification which

should be set by calibration program) is set to equipment as power level

(ex: GSM 5 level is 32.5 dBm).

c. Activate phone in Tx_Mode_Only.

d. HP8960 equipment measures transmitted power through rf test cable from

the phone and reports measured level to calibration program.

e. The program compares measured power with the target power.

f. The calibration program decides power code which is defined in advance

in the program and writes the codes to the flash memory in the phone.

2) Target value is defined according to the value of GSM specification.

See the TX power level definition table below.

3) Target values of the peak level of the phone are set normally in conducted

mode

–GSM 5 level : 32.5dBm

- PCS 0 level : 29.5dBm (Tolerance : -2dB ~ +1dB )

4) Accuracy

All the TX level from the phone after tuned-up satisfy the GSM

specification

5) TX ramp mask specification applied to the calibration program:

SAMSUNG Proprietary-Contents may change without notice

SGH-E316 Test Command & Test Procedure

4-3

This Document can not be used without Samsung's authorization

SAMSUNG Proprietary-Contents may change without notice

5. SGH-E316 Flow Chart of Troubleshooting

5-1

This Document can not be used without Samsung's authorization

1.Baseband

1. Power ON

Current consumption

>=100mA

Power On does not work

Voltage >= 3.3V

Download again

Charge the Battery

pin#J12 >= 2.8V Check U102 and C126

pin#A13 and pin#A14

=2.8V

Check U102 and C127

Freq = 13MHz ,

Vrms ≥ 300mV and

Vpp 뵃900mVpp

Check the clock generation circuit

(related to OSC402)

END

Yes

pin#G11 = 1.8V No

Yes

Check the V bat. Voltage

Check the pin of U102

Check the clock signal at pin#28 of U403

Check the initial operation

Check the current consumption

SAMSUNG Proprietary-Contents may change without notice

SGH-E316 Flow Chart of Troubleshooting and Circuit Diagrams

5-2

This Document can not be used without Samsung's authorization

2. Initial

The pin #G11 of U102 = 1.8V

and

the pin #J12 of U102 뵃

2.825V ?

Initialization Failure

Check the U102

(If it has some problem, it has to be replaced.)

END

Yes

Is the pin #K9 of U102

"Low -> High"?

Yes

Check the U302

There is 32.768kHz wave

forms at the C319 and C320

Check the LCD Part

Yes

The Voltage is "High" at the

C123,C124,C125

Check the Audio Part

Check the U102

(If it has some problem, it has to be replaced.)

Check the U403

Thepin#A4ofU102is"High"

Check the U102

LCD display is O.K

Yes

Sound is O.K

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