Samsung SGH-E890 Bedienungsanleitung
GSM TELEPHONE
SGH-E890
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.
2006. 12. 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. Software Adjustments................................................................................................4-1
4-2. Software Downloading...............................................................................................4-2
5. Exploded View/Disassembly & Assembly Instructions
5-1. Cellular phone Exploded View...................................................................................5-1
5-2. Cellular phone Part list...............................................................................................5-2
5-3. Disassembly & Assembly Instructions........................................................................5-4
6. MAIN Electrical Parts List
7. Block Diagrams
7-1. RF Solution Block Diagrams.....................................................................................7-1
7-2. Base Band Block Diagrams......................................................................................7-3
8. PCB Diagrams
CONTENTS
9. Flow Chart of Troubleshooting
9-1. Power On...................................................................................................................9-1
9-2. Initial ..........................................................................................................................9-4
9-3. Charging Part.............................................................................................................9-7
9-4. Sim Part.....................................................................................................................9-8
9-5. Microphone Part .....................................................................................................9-10
9-6. Speaker Part(MP3/Spk)...........................................................................................9-12
9-7. Key Data Input........................................................................................................9-14
9-8. Receiver Part...........................................................................................................9-15
9-9. LCD Part..................................................................................................................9-16
9-10. Camera Part...........................................................................................................9-18
9-11. Trans Flash Card Part..........................................................................................9-20
9-12. TV OUT..................................................................................................................9-22
9-13. Bluetooth Part........................................................................................................9-23
9-14. Main Key LED Part...............................................................................................9-25
9-15. GSM900 Receiver..................................................................................................9-26
9-16. GSM900 Transmitter..............................................................................................9-27
9-17. DCS Receiver........................................................................................................9-28
9-18. DCS/PCS Transmitter............................................................................................9-29
9-19. PCS Receiver.........................................................................................................9-30
10. 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 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.
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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 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.
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2. Specification
This Document can not be used without Samsung's authorization
2-1
PCS1900
1850~1910
1930~1990
512~810
80MHz
270.833kbps
3.692us
576.9us
4.615ms
0.3GMSK
30dBm~0dBm
0pcl ~ 15pcl
-100dBm
8
-
GSM900
Phase 1
EGSM 900
Phase 2
DCS1800
Phase 1
Freq. Band[MHz]
Uplink/Downlink
890~915
935~960
880~915
925~960
1710~1785
1805~1880
ARFCN range 1~124 0~124 &
975~1023 512~885
Tx/Rx spacing 45MHz 45MHz 95MHz
Mod. Bit rate
/BitPeriod
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 33dBm~5dBm 30dBm~0dBm
Power Class 5pcl ~ 19pcl 5pcl ~ 19pcl 0pcl ~ 15pcl
Sensitivity -102dBm -102dBm -100dBm
TDMA Mux 8 8 8
Cell Radius 35Km 35Km 2Km
2-1. GSM General Specification
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This Document can not be used without Samsung's authorization
Specification
2-2
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
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
GSM900
5 33±3 dBm
6 31±3 dBm
7 29±3 dBm
8 27±3 dBm
9 25±3 dBm
10 23±3 dBm
11 21±3 dBm
12 19±3 dBm
13 17±3 dBm
14 15±3 dBm
15 13±3 dBm
16 11±5 dBm
17 9±5 dBm
18 7±5 dBm
19 5±5 dBm
2-2. GSM TX power class
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3.
3-1
This Document can not be used without Samsung's authorization
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Product Function
3-2
This Document can not be used without Samsung's authorization
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