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Samsung SGH-C160L service manual


>> Download Samsung SGH-C160L service manual documenatation <<

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                GSM TELEPHONE
                SGH-C160L




GSM TELEPHONE                     CONTENTS


                  1.    Safety Precautions

                  2.    Specification

                  3.    Operation Instruction and
                        Installation

                  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
1. Safety Precautions

1-1. Repair Precaution

   Repair in Shield Box, during detailed tuning.       Take specially care of tuning or test, because the
    specification 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 magnetic 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 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.




                                                      1-1
                       SAMSUNG Proprietary-Contents may change without notice
                        This Document can not be used without Samsung's authorization
Safety Precautions




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 a circuit board.




                                                        1-2
                         SAMSUNG Proprietary-Contents may change without notice
                          This Document can not be used without Samsung's authorization
2. Specification

2-1. GSM General Specification


                                                        EG SM 900                           DCS1 800


        Fr eq. Band [MHz]                                880~9 15                           1710~1 785
        Up link/ Do wnl ink                              925~9 60                           1805~1 880



          ARFCN ran ge                            0~124 & 975~ 1023                          512~8 85



          Tx/Rx spacin g                                   45MHz                             95MHz



          Mod . Bit r ate/                             270.8 33kbps                        270.8 33kbps
           Bi t Peri od                                  3.69 2us                            3.69 2us


                                                          576. 9us                           576. 9us
 T ime Slot Per iod/ Fra me Per iod
                                                          4 .615ms                           4 .615ms



            Mo dulat ion                                 0.3G M SK                          0.3G MSK



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



                                                            4                                   1
           Po wer Class
                                                       (max +33dBm)                        (max +30dBm)



            Sen sitivity                                 - 102dBm                           - 100dBm



            TDM A M ux                                          8                               8



           Cell Radius                                     35Km                                2Km




                                                          2-1
                      SAMSUNG Proprietary-Contents may change without notice
                           This Document can not be used without Samsung's authorization
Specification




2-2. GSM TX power class

         TX Power                                                 TX Power
                                   GSM900                                                DCS1800
        control level                                            control level

                5                 33



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