Samsung SGH-D520 Manual de usuario
GSM TELEPHONE
SGH-D520
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. Exploded and assembling View
Samsung Electronics Co.,Ltd.
Code No.: GH68-10734A
2006. 04. 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.
목차
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 Level ......................................................................2-2
3. Product Function
4. Array course control
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 Parts list ..............................................................5-2
6. MAIN Electrical Parts List
7. Block Diagrams
8. PCB Diagrams
9. Flow Chart of Troubleshooting
9-1. Baseband ..................................................................................9-1
9-1-1. Power ON .............................................................................9-1
9-1-2. Initial ...................................................................................9-4
9-1-3. SIM Part ...............................................................................9-6
9-1-4. Microphone Part ....................................................................9-7
9-1-5. Speaker Part_1(MP3, SPEAKER PHONE) ...................................9-8
9-1-6. Speaker Part_2(RECEIVER) ...................................................9-10
9-1-7. Charging Part ......................................................................9-11
목차
9-2. RF ..........................................................................................9-13
9-2-1. EGSM RX ............................................................................9-13
9-2-2. DCS RX ..............................................................................9-15
9-2-3. PCS RX ...............................................................................9-16
9-2-4. EGSM TX ............................................................................9-17
9-2-5. DCS TX ..............................................................................9-18
9-2-6. PCS TX ...............................................................................9-19
10. Reference data
11. Exploded and assembling View
11-1. Cellular phone Exploded View ...................................................11-1
11-2. Cellular phone assembling ........................................................11-2
11-3. Slide FPCB KIT assembling .....................................................11-29
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.
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2. Specification
2-2
This Document can not be used without Samsung's authorization
2-1. GSM General Specification
E-GSM DCS1800 PCS1900
Freq. Band[MHz]
Uplink/Downlink
880~915
925~960
1710~1785
1805~1880
1850~1910
1930~1990
ARFCN range 975~1023
0~124 512~885 512~810
Tx/Rx spacing 45 MHz 95 MHz 80 MHz
Mod. Bit
rate/
Bit Period
GPRS 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
Modulation GPRS 0.3 GMSK 0.3 GMSK 0.3 GMSK
MSPower GPRS 33dBm~5dBm 30dBm~0dBm 30dBm~0dBm
Power Level GPRS 5~19(class4) 0~15(class1) 0~15(class1)
Sensitivity -102 dBm -100 dBm -102 dBm
TDMAMux888
Cell Radius 35 Km 2 Km 2 Km
Operating Temperature -20 ℃~45℃-20 ℃~45℃-20 ℃~45℃
Supply Voltage 3.7 V 3.7 V 3.7 V
Size and Weight Dimention : 97(H) × 52(W) × 14.9(D) mm
Weight : 96 g (with standard battery)
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Specification
2-2
This Document can not be used without Samsung's authorization
2-2. GSM TX Power Level
TX Power
control level E-GSM
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±2 dBm
17 9±2d Bm
18 7±2d Bm
19 5±2d Bm
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±4 dBm
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±4 dBm
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
This Document can not be used without Samsung's authorization
3-1. Main Function
-Camera and camcorder
-Image editor
-File viewer
-Bluetooth
-Get personal with photo caller ID
-Name card
-Multimedia Message Service (MMS)
-Email
-Web browser
-Java
-Voice recorder
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 (GH39-00127A)
RF Test Cable (GH39-00283A)
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