Samsung SGH-X680 Bedienungsanleitung
GSM TELEPHONE
SGH-X680
GSM TELEPHONE CONTENTS
1. Safety Precautions
2. Specification
3. Product Function
4. Array course control
5. Exploded View and Parts List
6. Disassembly and Assembly
instructions
7. MAIN Electrical Parts List
8. Block Diagrams
9. PCB Diagrams
10. Flow Chart of Troubleshooting
11. Reference data
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
3-1. Main Function ................................................................................3-1
4. Array course control
Software Downloading
4-1. Downloading Binary Files ................................................................4-2
4-2. Pre-requsite for Downloading ..........................................................4-2
4-3. S/W Downloader Program ...............................................................4-3
5. Exploded View and Parts List
5-1. Cellular phone Exploded View .........................................................5-1
5-2. Cellular phone Part list ...................................................................5-2
6. Disassembly and Assembly instructions
6-1. Disassembly ..................................................................................6-1
6-2. Assembly ......................................................................................6-4
7. MAIN Electrical Parts List
8. Block Diagrams
9. PCB Diagrams
10. Flow Chart of Troubleshooting
10-1. Baseband
10-1-1. Power ON ..............................................................................10-1
Contents
10-1-2. Initial ....................................................................................10-4
10-1-3. Sim Part ...............................................................................10-7
10-1-4. Charging Part ......................................................................10-10
10-1-5. Microphone Part ...................................................................10-12
10-1-6. Speaker Part ........................................................................10-14
10-1-7. LCD ....................................................................................10-17
10-1-8. Camera ...............................................................................10-19
10-2. RF
10-2-1. EGSM Receiver .....................................................................10-21
10-2-2. DCS Receiver........................................................................10-22
10-2-3. PCS Receiver.........................................................................10-23
10-2-4. GSM Transmitter...................................................................10-24
10-2-5. DCS/PCS Transmitter.............................................................10-25
10-2-6. Bluetooth Part ......................................................................10-28
11. Reference data
SAMSUNG Proprietary-Contents may change without notice
1. Safety Precautions
1-1
This Document can not be used without Samsung's authorization
1-1. Repair Precaution
●Repair in Shield Box, during detailed tuning.
Take specially care of tuning or test,
because specipicty 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 manetic 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 disassembing 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.
SAMSUNG Proprietary-Contents may change without notice
Safety Precautions
1-2
This Document can not be used without Samsung's authorization
1-2. ESD(Electrostatically Sensitive Devices) Precaution
Several semiconductor may be damaged easilly 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.
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
270.833 kbps
3.692 us
270.833 kbps
3.692 us
270.833 kbps
3.692 us
270.833 kbps
3.692 us
Time Slot
Period/Frame
Period
576.9 us
4.615 ms
576.9 us
4.615 ms
576.9 us
4.615 ms
576.9 us
4.615 ms
Modulation 0.3 GMSK 0.3 GMSK 0.3 GMSK 0.3 GMSK
MS Power 33dBm~13dBm 33dBm~5dBm 30dBm~0dBm 30dBm~0dBm
Power Class 5pcl~15pcl 5pcl~19pcl 0pcl~15pcl 0pcl~15pcl
Sensiti vity -102 dBm -102 dBm -100 dBm -100 dBm
TDMA Mux 8 8 8 8
Cell Radius 35 Km 35 Km 2 Km -
Speclflcation
2-2
2-2. GSM Tx Power Class
TX Power
control level GSM900
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. Product Function
3-1
This Document can not be used without Samsung's authorization
Main Function
-Camera and camcorder
-Music player
-Bluetooth
-Web browser
-Get personal with photo caller ID
-Name card
-Multimedia Message Service (MMS)
-Java
-Calendar
-Voice recorder
-Alarm
SAMSUNG Proprietary-Contents may change without notice
4. Array course control
4-1
This Document can not be used without Samsung's authorization
Test Jig (GH80-03307A)
Test Cable (GH39-00369A)
RF Test Cable (GH39-00397A)
SAMSUNG Proprietary-Contents may change without notice
Array course control
4-2
This Document can not be used without Samsung's authorization
Software Downloading
4-1. Downloading Binary Files
• Three binary files for downloading X680.
– X680XXXXX.s3 : Main source code binary.
4-2. Pre-requsite for Downloading
• Downloader Program(OptiFlash.exe)
• X680 Mobile Phone
• Data Cable
• Binary files
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