Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung GSM Samsung SGH-X620 service manual

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>> Download Samsung SGH-X620 service manual documenatation <<

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                GSM TELEPHONE
                SGH-X620




GSM TELEPHONE                      CONTENTS


                  1.   Specification

                  2.   Circuit Description

                  3.   Exploded Views and Parts List

                  4.   Electrical Parts List

                  5.   Block Diagrams

                  6.   PCB Diagrams
                  7.   Flow Chart of Troubleshooting
This Service Manual is a property of Samsung Electronics Co.,Ltd.  Samsung Electronics Co.,Ltd.   August. 2005
Any unauthorized use of Manual can be punished under applicable    Printed in Korea.
International and/or domestic law.

                                                                  Code No.: GH68-08050A
                                                                  BASIC.
1. Specification

1-1. GSM General Specification
                                 GSM900                         DCS1800                       PC1900
                                 P ha se 1                      Ph ase 1                      Phas e 1

 Fr eq. Band[MHz]                890~915                       1710~1785                     1850~1910
 Uplink/ Downli nk               935~960                       1805~1880                     1930~1990


   ARFCN r ange                    1~124                        512~885                       512~810


   Tx/ Rx s paci ng               45MHz                          95MHz                         80MHz


   Mod. Bit rate/              270.833kbps                    270.833kbps                   270.833kbps
    Bit Period                   3.692us                        3.692us                       3.692us


      Ti me Slot                 576.9us                        576.9us                       576.9us
Peri od/Fr ame Per iod           4.615ms                        4.615ms                       4.615ms


     Modulati on                0.3GMSK                        0.3GMSK                       0.3GMSK


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

    Power Cl a ss             5pcl ~ 19pcl                     0pcl ~ 15pcl                  0pcl ~ 15pcl

     Sensit ivit y               -102dBm                        -100dBm                       - 100dBm

    TDMA Mux                         8                               8                            8

    Cell Radius                    35Km                            2Km                          2Km




                                                      1- 1
                         SAMSUNG Proprietary-Contents may change without notice
                         This Document can not be used with   out Samsung's authorization
Specification




1-2. GSM TX power class
      TX Power                          TX Power                                    TX Power
                     GSM900                                   DCS1800                              PCS1900
     control level                     control level                               control level

            5        33

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