Samsung SGH-X656 User manual

GSM TELEPHONE
SGH-X656
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.
GH68-12263A
2006. 08. 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. Downloading Binary Files .............................................................4-4
4-2. Pre-requsite for Downloading .......................................................4-4
4-3. S/W Downloader Program ............................................................4-5
5. Exploded View/Disassembly and Assembly Instructions
5-1. Cellular phone Exploded View ......................................................5-1
5-2. Cellular phone Parts list ..............................................................5-2
5-3. Disassembly and Assembly Instructions.........................................5-4
6. MAIN Electrical Parts List
7. Block Diagrams
8. PCB Diagrams

CONTENTS
9. Flow Chart of Troubleshooting
10. Reference data
9-1. Power ON ..................................................................................9-1
9-2. Initial ........................................................................................9-3
9-3. Charging Part ............................................................................9-6
9-4. SIM Part ...................................................................................9-8
9-5. Microphone Part .......................................................................9-10
9-6. Speaker Part(Melody).................................................................9-12
9-7. Key Data Input.........................................................................9-14
9-8. Receiver Part............................................................................9-15
9-9. LCD Part (for Color Main)...........................................................9-16
9-10. Key Back Light........................................................................9-18
9-11. Camera part............................................................................9-19
9-12. FM Radio part..........................................................................9-21
9-13. GSM Receiver..........................................................................9-22
9-14. GSM Transmitter......................................................................9-23
9-15. DCS Receiver..........................................................................9-24
9-16. DCS Transmitter......................................................................9-25
9-17. PCS Receiver...........................................................................9-26
9-18. PCS Transmitter.......................................................................9-27

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1. Safety Precautions
1-1
This Document can not be used without Samsung's authorization
  
       
      
          
           
           
          
     
         
            
              
             
     
               
               
         
               
             

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S 
1-2
This Document can not be used without Samsung's authorization
    
              
          
        
             
             
   
          
               
 
                   
         
                  
        

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2. Specification
2-1
This Document can not be used without Samsung's authorization
GSM850
Phase 1
DCS1800
Phase 1
PC1900
Phase 1
Freq. Band[MHz]
Uplink/Downlink
824~849
869~894
1710~1785
1805~1880
1850~1910
1930~1990
ARFCN range 128~251 512~885 512~810
Tx/Rx spacing 45MHz 95MHz 80MHz
Mod. Bit rate/
Bit Period
270.833kbps
3.692us
270.833kbps
3.692us
270.833kbps
3.692us
Time Slot
Period/Frame Period
576.9us
4.615ms
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
2-1. GSM General Specification

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Specification
2-2
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TX Power
control level
GSM850
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
2-2. GSM TX power class
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

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3. Product Function
3-1
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Main Function
-Camera
-Phonebook
-Multimedia Message Service (MMS)
-Voice recorder
-WAP browser
-Java
-Calendar
-Voice Mail
-FM Radio

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Product Function
3-2
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4. Array course control
4-1
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Array course control
4-2
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Array course control
4-3
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TA
(GH44-00643A)

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Array course control
4-4
This Document can not be used without Samsung's authorization
Software Downloading
4-1. Downloading Binary Files
• Two files for downloading SGH-X656.
– X656XXYY.cla : Main source binary code.
– X656XXYY.tfs : Application code.
4-2. Pre-requsite for Downloading
• Downloader Program(KLAUS_Downloader_V1.0)
• X656 Mobile Phone
• Data Cable
• Binary files
• Application files

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Array course control
4-5
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4-3. S/W Downloader Program
1. Load the binary download programby executing the “
KLAUS_Downloader_V1.0.exe”
2. Select the "BIN+TFS" and
• Click the "BIN..." and select X656XXYY.cla file
• Click the "TFS..." and select X656XXYY.tfs file

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3. Select the Serial Port when the download cable is connected
Up to 51 ports are supported. Additionally you can select the
maximum transfer speed OptiFlash will use to communicate with the
phone. However, KLAUS_Downloader_V1.0 will use a slower speed if
either the PC’s or the phone’s serial hardware is incapable of
handling the selected speed

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This Document can not be used without Samsung's authorization
4. Select the "START" and Power on the Phone
5. Click "DOWNLOAD" ant then start Downloading.

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6. When downloading is finished successfully, there is a “Download completed”
message.
7. After finishing downloading, Certain memory resets should be done to
guarantee the normal performance.
8. Confirm the downloaded version name and etc. :
*#5002*8376263#
Full Reset : 
*2767*3855#

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5. Exploded View/Disassembly and Assembly Instructions
5-1. Cellular phone Exploded View
QFU01
QLC01
QFL01
QMW02
QCR04
QSC01
QHI01
QSP01
QFR01
QKP01
QAN05
QCA02
QVK01
QME01
QMI01
QMI03
QCR05
QBA01
QIF01
QCK01
QMO01
QSC02
QVO01
QRF03
QAN02
QRE01
QRF01
QCR05
QMP01
QCA01

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Exploded View/Disassembly and Assembly Instructions
5-2
This Document can not be used without Samsung's authorization
5-2. Cellular phone Parts list
QAN02 INTENNA-SGHX656 GH42-00811A
QAN05 ASSY MEC-ANT RUBBER GH75-08511A
QBA01 BATTERY-800MAH, CLD/SIL,SPA, M GH43-02410A
QCA01 UNIT-CAMERA GH59-02886A
QCA02 UNIT-CAMERA KEY GH59-02952A
QCK01 PMO-CAMERA KEY GH72-28086A
QCR04 SCREW-MACHINE 6001-001479
QCR05 SCREW-MACHINE 6001-001478
QCR05 SCREW-MACHINE 6001-001478
QFL01 MEC-CASE FOLDER LOWER GH75-09281B
QFR01 MEC-CASE FRONT GH75-09279B
QFU01 MEC-CASE FOLDER UPPER GH75-09280B
QHI01 ASSY MEC-HINGE ASSY GH75-04334B
QIF01 PMO-COVER IF GH72-28083B
QKP01 ASSY-KEY-KEYPAD(EU/SIL) GH98-01033B
QLC01 LCD-M/S SGHX656 GH07-00996A
QME01 UNIT-METAL DOME GH59-02953A
QMI01 MICROPHONE-ASSY-SGHX650 GH30-00257A
QMI03 RMO-RUBBER MIC GH73-06509A
QMO01 MOTOR DC-SGHX670 GH31-00154E
QMP01 A/S MATERIAL ASSY-PBA MAIN GH82-01899A
QMW02 PCT-COVER MAIN WINDOW GH72-29280B
QRE01 MEC-CASE REAR GH75-09282B
QRF01 MPR-TAPE RF CAP GH74-21182B
QRF03 PMO-COVER EAR GH72-28082B
QSC01 ASSY-COVER-SCREW CAP GH98-00708B
QSC02 ASSY-COVER-SCREW CAP R GH98-00981B
QSP01 SPEAKER 3001-001935
QVK01 UNIT-VOLUME KEY GH59-02951A
QVO01 PMO-VOLUME KEY GH72-28085A