GSM TELEPHONE SGH-F250 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
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GSM TELEPHONESGH-F250
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 AssemblyInstructions
Samsung Electronics Co.,Ltd.
2007. 12. Rev.1.0
ⓒThis Service Manual is a property of Samsung Electronics Co.,Ltd.Any unauthorized use of Manual can be punished under applicableInternational and/or domestic law.
Country Web SiteNorth America service.samsungportal.comLatin America latin.samsungportal.comCIS cis.samsungportal.comEurope europe.samsungportal.comChina china.samsungportal.comAsia asia.samsungportal.comMideast & Africa mea.samsungportal.com
GSPN (Global Service Partner Network)
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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 specificity 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 anovercurrent and furious flames of parts etc) when you repair board in condition ofconnecting 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 isdangerous 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
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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 withsemiconductor. There are ways that you touch an earthed place or wear static electricityprevention 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 bystatic electricity.
● Don't unpack until you set up ESD on product. Because most of ESD are packed by box andaluminum 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 connectedcompletely to the proper place or a circuit board.
2. Specification
2-1
2-1. GSM General Specification
GSM900Phase 1
DCS1800Phase 1 PCS1900
Freq.Band[MHz]
Upl ink/Downl ink
880~915925~960
1710~17851805~1880
1850~19101930~1990
ARFCN range 0~124 & 975~1023 512~885 512~810
Tx/Rx spacing 45MHz 95MHz 80MHz
Mod. Bit rate/Bi t Period
270.833kbps3.692us
270.833kbps3.692us
270.833kbps3.692us
Time SlotPer iod/Frame Per iod
576.9us4.615ms
576.9us4.615ms
576.9us4.615ms
Modulat ion 0.3GMSK 0.3GMSK 0.3GMSK
MS Power 33dBm~5dBm 30dBm~0dBm 30dBm~0dBm
Power Class 5pcl ~ 19pcl 0pcl ~ 15pcl 0pcl ~ 15pcl
Sensit iv i ty -102dBm -100dBm -100dBm
TDMA Mux 8 8 8
Cel l Radius 35Km 2Km -
Speclflcation
2-2
TX Powercontrol level
GSM850
5 33±2 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
TX Powercontrol 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 Powercontrol level
PCS1800
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
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3. Product Function
3-1
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Main Function
- Enhanced Music Function supporting phone- 1.3 Mega Pixel (CMOS) Camera- Bluetooth V.2.0 EDR- 65K 128x160 TFT 1.9”- SMS/MMS/E-Mail/Video Messaging- WMDRM/MTP- J2ME JAVA (MIDP 2.0/CLDC 1.1)- EMS (Enhanced Message Service)- WAP 2.0- MP3/AAC/AAC+/e-AAC+ Ringtone- GPRS/EDGE Class 10- Triple Band(EGSM900/DCS,PCS)- 64 Poly Melody (MIDI)- MicroSD Card Support- External Memory- USB v2.0 Full-speed, Bluetooth 2.0 EDR- FM Radio Support
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Product Function
3-2
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4. Array course control
4-1
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4-1. Software Adjustments
RF CABLE(GH39-00599A)
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Array course control
4-2
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TEST CABLE-0.4M(GH39-01020A) TEST CABLE-1.5M(GH39-01022A)
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Array course control
4-3
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4-2. Software Downloading
4-2-1. Pre-requsite for Downloading• Downloader Program(OneNAND Downloder V1.5 Lite For PNX5230.exe)• SGH-F250 Mobile Phone• Data Cable• Binary file, TFS file
4-2-2. S/W Downloader Program■ Load the binary download program by executing the
“OneNAND Downloder V1.5 Lite For PNX5230.exe”
1. Select the connected serial port and the rate of speed
2. Select the check box, the mode you want to download. - if the binary file wanted, check only 'BIN'- if the tfs file wanted, check only 'TFS'- if all the files wanted, check 'BIN+TFS'
1
2
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Array course control
4-4
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3. Select the file(s) what you want to download- click 'BIN...' to select a binary file.- click 'TFS...' to select a tfs file.
4. Click the 'DOWNLOAD' button to downloading
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3
3
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5. Exploded View and Parts List
5-1
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5-1. Cellular phone Exploded View
QMW01
QCR57
QCR12
QAN05
QVK01
QMP01
QRF01
QFU01
QLC01
QMO01
QSP01
QPC01
QFL01
QCR05
QSC05
QSC06
QFR01
QKP01
QMI01
QME01
QCR12
QSH11
QSH01
QAN02
QCA01
QRE01
QCR05
QBA01
QBA00
QKP02
QSP05
QVO01
QRF03
QCR79
QCR78
QCK01
QCK02
QME02
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Exploded View and Parts List
5-2
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Design LOC Description SEC CODE
QAN02 INTENNA-SGHF250 GH42-01334A
QAN05 ASSY MEC-INTENNA CONN RUBBER GH75-08200A
QBA00 PMO COVER-BATTERY GH72-45426A
QBA01 INNER BATTERY PACK-750MAH,BLK, GH43-02483A
QCA01 CAMERA MODULE-1/5" 1.3M GH59-04999A
QCR05 SCREW-MACHINE 6001-001478
QCR05 SCREW-MACHINE 6001-001478
QCR12 SCREW-MACHINE 6001-001530
QCR57 SCREW-MACHINE 6001-002001
QFR01 ASSY CASE-FRONT GH98-06181A
QKP01 ASSY KEYPAD-MAIN(SER/BLU) GH98-07157A
QKP02 ASSY KEYPAD-SUB(EU/SIL) GH98-06178A
QME01 DOME SHEET-MAIN 15KEY GH59-04909A
QMI01 MICROPHONE-ASSY-SGHF250 GH30-00417A
QMO01 MOTOR DC-SGHF250 GH31-00373A
QMP01 PBA MAIN-SGHF250 GH92-04288A
QMW01 ASSY COVER-MAIN WINDOW GH98-06184A
QPC01 MEA-SLIDE FPCBKIT GH97-08490A
QRF01 TAPE-RF GH74-35673A
QSC05 TAPE-SHEET LOWER SCREW R GH74-34644A
QSC06 TAPE-SHEET LOWER SCREW L GH74-34645A
QSH01 ASSY BRACKET-SHIELD CAN GH98-06179A
QSH11 RMO RUBBER-PMU GH73-11283A
QSP01 SPEAKER 3001-002242
QVK01 ASSY ETC-SGH-F250 EARJACK FPCB GH59-05101A
QRE01 ASSY CASE-REAR GH98-06182A
QCK01 PMO KEY-CAMERA GH72-44168A
QCK02 PMO KEY-MUSIC GH72-44170A
QRF03 PMO COVER-EAR GH72-44164A
QVO01 PMO KEY-VOLUME GH72-44169A
5-2. Cellular phone Parts List
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Exploded View and Parts List
5-3
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Design LOC Description SEC CODE
QFU01 ASSY CASE-SLIDE UPPER GH98-06180A
QSP05 ASSY DECO-SPK GH98-06298A
QFL01 ASSY CASE-SLIDE LOWER GH98-06183A
QCR78 SCREW-MACHINE 6001-002116
QCR79 SCREW-SPECIAL 6009-001534
QLC01 ELA ETC-SGHF250 SUB LCD MODULE GH96-02951A
QME02 DOME SHEET-SUB 7KEY GH59-04915A
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Exploded View and Parts List
5-4
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Description SEC CODEBAG PE 6902-000634
CBF INTERFACE-DATA LINK CABLE( GH39-00859BCBF INTERFACE-MIC CABLE(S20P,B GH39-01031A
ADAPTOR-ATADS10EBE,BLK,EU GH44-01702AS/W CD-SGH-F250 PC STUDIO 3.2. GH46-00532A
EARPHONE-EARPHONE,3 PLUG,BLK,E GH59-04418ALABEL(P)-UNIT SEAL GH68-00518B
LABEL(R)-WATER SOAK GH68-09361AMANUAL USERS-EU ENGLISH GH68-16947AMANUAL USERS-EU RUSSIAN GH68-16950A