Samsung SGH-C400 Manual de usuario

GSM TELEPHONE

SGH-C400

GSM TELEPHONE CONTENTS

1. Safety Precautions

2. Specification

3. Product Function

4. Array course control

5. Exploded View/Disassembly

and Assembly Instructions

6. MAIN Electrical Parts List

7. Block Diagrams

8. PCB Diagrams

9. Flow Chart of Troubleshooting

10. Reference data

Samsung Electronics Co.,Ltd.

2006. 09 Rev.1.0

ⓒ

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.

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. GSM Tx Power Class ......................................................................2-2

3. Product Function

4. Array course control

4-1. Pre-requsite for Downloading...........................................................4-2

4-2. S/W Downloader Program................................................................4-2

5. Exploded View/Disassembly & Assembly Instructions

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

5-2. Cellular phone Parts list.................................................................5-2

5-3. Disassembly & Assembly Instructions..............................................5-4

6. MAIN Electrical Parts List

7. Block Diagrams

8. PCB Diagrams

CONTENTS

9. Flow Chart of Troubleshooting

9-1. Pown on.......................................................................................9-1

9-2. Initial............................................................................................9-5

9-3. SIM Part.......................................................................................9-7

9-4. Charging Part................................................................................9-9

9-5. Microphone Part...........................................................................9-12

9-6. Speaker Part...............................................................................9-14

9-7. Camera Part................................................................................9-16

9-8. RF

9-8-1. GSM900 Rx..............................................................................9-20

9-8-2. DCS Rx....................................................................................9-22

9-8-3. PCS Rx....................................................................................9-24

9-8-4. GSM900 Tx..............................................................................9-26

9-8-5. PCS/DCS Tx.............................................................................9-28

10. Reference data

SAMSUNG Proprietary-Contents may change without notice

1.  

1-1

This Document can not be used without Samsung's authorization

  

       

      

          

           

           

          

     

         

            

              

             

     

               

               

         

               

             

SAMSUNG Proprietary-Contents may change without notice

S 

1-2

This Document can not be used without Samsung's authorization

    

              

          

        

             

             

   

          

               

 

                   

         

                  

        

SAMSUNG Proprietary-Contents may change without notice

2. Specification

2-1

This Document can not be used without Samsung's authorization

EGSM 900

Phase 2 DCS 1800

Phase 1 PCS 1900

Phase 1

Freq. Band[MHz]

Uplink/Downlink 880~915

925~960 1710~1785

1805~1880 1850~1910

1930~1960

ARFCN range 975~1023

1~124 512~885 512~810

Tx/Rx spacing 45MHz 95MHz 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 0.3GMSK

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

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

Sensitivity -102dBm -100dBm -100dBm

TDMA Mux 8 8 8

Cell Radius 35Km 2Km 2Km

Operating

Temperature -20°C ~ +50°C

2-1. GSM General Specification

SAMSUNG Proprietary-Contents may change without notice

Specification

2-2

This Document can not be used without Samsung's authorization

2-2. GSM Tx Power Class

TX Power

control level EGSM900

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

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±4dBm

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±4dBm

12 6±4 dBm

13 4±4 dBm

14 2±5 dBm

15 0±5 dBm

SAMSUNG Proprietary-Contents may change without notice

3.  

3-1

This Document can not be used without Samsung's authorization

 

- Tri Band(900/1800/1900)

-FR+EFR+HR

-GPRSClass10

-16Poly

-Intenna

- SMS,MMS,WAP1.2

- Phonebook 500ea

SAMSUNG Proprietary-Contents may change without notice

Product Function

3-2

This Document can not be used without Samsung's authorization

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