Samsung SGH-E370 User manual

GSM TELEPHONE
SGH-E370
GSM TELEPHONE CONTENTS
1. Safety Precautions
2. Specification
3. Product Function
4. Array course control
5. Exploded View and Parts List
6. MAIN Electrical Parts List
7. Block Diagrams
8. PCB Diagrams
9. Flow Chart of Troubleshooting
10. Reference data
11. Disassembly and Assembly
Instructions

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. Software Adjustments......................................................................4-1
4-2. Software Downloading.....................................................................4-2
5. Exploded View and Parts List
5-1. Cellular phone Exploded View .........................................................5-1
5-2. Cellular phone Parts list .................................................................5-2
6. MAIN Electrical Parts List
7. Block Diagrams
8. PCB Diagrams
8-1. Main PCB Diagrams.........................................................................8-1
8-2. Sub PCB Diagrams..........................................................................8-3

CONTENTS
9. Flow Chart of Troubleshooting
9-1. Power On....................................................................................9-1
9-2. Initial .........................................................................................9-3
9-3. Charging Part............................................................................ ..9-5
9-4. Sim Part.....................................................................................9-7
9-5. Microphone Part...........................................................................9-9
9-6. Speaker Part(Melody).................................................................9-11
9-7. Key Data Input..........................................................................9-13
9-8. Receiver Part.............................................................................9-14
9-9. Back Light (for Color Main LCD).................................................9-15
9-10. Key Back Light.........................................................................9-17
9-11. Camera Part............................................................................9-18
9-12. GSM Receiver...........................................................................9-20
9-13. GSM Transmitter......................................................................9-21
9-14. DCS Receiver...........................................................................9-22
9-15. DCS Transmitter.......................................................................9-23
9-16. PCS Receiver...........................................................................9-24
9-17. PCS Transmitter.......................................................................9-25
10. Reference data
11. Disassembly and Assembly Instructions
11-1. Disassemby..............................................................................11-1
11-2. Assembly.................................................................................11-3
11-3. FPCB KIT Assembly..................................................................11-5
11-4. LCD KIT Assembly ...................................................................11-8

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
    
              
          
        
             
             
   
          
               
 
                   
         
                  
        

2. Specification
2-1
2-1. GSM General Specification
GSM900
Phase 1 EGSM 900 Phase 2 DCS1800 Phase 1 PCS1900
Freq.
Band[MHz]
Uplink/Downlink
890~915
935~960 880~915 925~960 1710~1785 1805~1880 1850~1910 1930~1990
ARFCN range 1~124 0~124 &
975~1023 512~885 512~810
Tx/Rx spacing 45MHz 45MHz 95MHz 80MHz
Mod. Bit rate/
Bit Period 270.833kbps 3.692us 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 576.9us 4.615ms
Modulation 0.3GMSK 0.3GMSK 0.3GMSK 0.3GMSK
MS Power 33dBm~5dBm 33dBm~5dBm 30dBm~0dBm 30dBm~0dBm
Power Class 5pcl ~ 19pcl 5pcl ~ 19pcl 0pcl ~ 15pcl 0pcl ~ 15pcl
Sensitivity -102dBm -102dBm -100dBm -100dBm
TDMA Mux 888 8
Cell Radius 35Km 35Km 2Km -

Speclflcation
2-2
TX Power
control level GSM900
533±2dBm
631±2dBm
729±2dBm
827±2dBm
925±2dBm
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
030±3dBm
128±3dBm
226±3dBm
324±3dBm
422±3dBm
520±3dBm
618±3dBm
716±3dBm
814±3dBm
912±4dBm
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 PCS1800
030±3dBm
128±3dBm
226±3dBm
324±3dBm
422±3dBm
520±3dBm
618±3dBm
716±3dBm
814±3dBm
912±4dBm
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

SAMSUNG Proprietary-Contents may change without notice
3.  
3-1
This Document can not be used without Samsung's authorization
 
-1.3 Megapixel Camera with Flash
-65536 Color TFT Screen (128×160)
-Video Recording & Messaging
-Music Player(MP3/AAC/AAC+)
-Bluetooth Woreless Technology
-Multimedia Message Service (MMS)
-E-mail
-Voice recorder
-Java / WAP2.0
-Tri-band(900/1800/1900MHz)

SAMSUNG Proprietary-Contents may change without notice
Product Function
3-2
This Document can not be used without Samsung's authorization

SAMSUNG Proprietary-Contents may change without notice
4. Array course control
4-1
This Document can not be used without Samsung's authorization
4-1. Software Downloading
Power Supply Cable
Serial Cable(CSA LL64151-A)
Test Cable(GH39-00337C)
Test Jig (GH80-03306A)