Samsung - GSM - Unlocked
SAMSUNG'S F250 GETS THE MUSIC GOING Music-centric Samsung's F250 Keeps Your Playlist Under Control With Great Features Samsung F250 unlocked slider phone packs in a lot of great technology including front-mounted music-controls that let the users navigate their playlist with ease. Thus unlocked tri-band Samsung F250 does away with the rigid slider design and emerges as a brand new way to keep the music going. Samsung has designed a phone to suit all the most important needs. Sonic Purity... Read more
Part Number: SGHF250
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Samsung F250 Mobile Phone, size: 1.3 MB
User reviews and opinions
|Kraeg||8:20am on Tuesday, June 22nd, 2010|
|Great Product!! This is a good phone if you are not living in the US. I live in Germany and it works here. Good enough phone Pros: looks awesome, easy to use, FM radio Cons: screen resolution.|
Comments posted on www.ps2netdrivers.net are solely the views and opinions of the people posting them and do not necessarily reflect the views or opinions of us.
Features precautions Phone Layout Get started Step outside the phone Unpack Solving Problem
Camera and camcorder
Use the camera module on your phone to take a photo or record a video.
02 Featur es
Synchronisation with Windows Media Player
Transfer music files to your phone directly from the Windows Media Player.
Play music files using your phone as a music player. You can use other phone functions while listening to music.
Enjoy Java-based embedded games and download new games.
Edit or decorate your photos.
Switch your phone to Offline mode to use its non-wireless functions while on an airplane.
Listen to your favourite radio stations anytime, anywhere.
Transfer media files and personal data, and connect to other devices using wireless Bluetooth technology.
Send SOS messages to your family or friends for help in an emergency.
Record memos or sounds.
03 Pr ecauti
Failure to comply with the following precautions may be dangerous or illegal. Drive safely at all times
Do not use a hand-held phone while driving. Park your vehicle first.
Switch off the phone when refuelling
Do not use the phone at a refuelling point (service station) or near fuels or chemicals.
Switch off in an aircraft
Wireless phones can cause interference. Using them in an aircraft is both illegal and dangerous.
Switch off the phone near all medical equipment
Hospitals or health care facilities may be using equipment that could be sensitive to external radio requency energy. Follow any regulations or rules in force.
Features / Precautions _02
All wireless phones may be subject to interference, which could affect their performance.
Be aware of special regulations
Meet any special regulations in force in any area and always switch off your phone whenever it is forbidden to use it, or when it may cause interference or danger.
Your phone is not water-resistant. Keep it dry.
Use only in the normal position (held to your ear). Avoid unnecessary contact with the antenna when the phone is switched on.
Key in the emergency number for your present location, then press.
Keep your phone away from small children
Keep the phone and all its parts, including accessories, out of the reach of small children.
Accessories and batteries
Use only Samsung-approved batteries and accessories, such as headsets and PC data cables. Use of any unauthorised accessories could damage you or your phone and may be dangerous.
Only qualified service personnel may repair your phone.
Display Headset jack Web access/ Confirm key Volume keys Dial key Dial key Alphanumeric keys Special function keys Power/Menu exit key Delete key
Camera lens Navigation keys (Up/Down/Left/Right) Right soft key Music Player key
Precautions / Phone Layout _03
Installing the SIM card and battery Remove the battery cover and insert the SIM card.
05 G et star ted
Install the battery and reattach the cover.
Plug the supplied travel adapter
To AC power outlet
Step outside the phone
Make or answer calls
Making a call
1. In Idle mode, enter an area code and phone number. 2. Press [ ]. Press [Volume] to adjust the volume. 3. Press [ ] to end the call.
To enter a word: 1. Press  to  to start entering a word. 2. Enter the whole word before editing or deleting characters. 3. When the word displays correctly, press [#] to insert a space. Otherwise, press  to display alternative word choices.
06 S tep ou tside the ph
Answering a Call
1. When the phone rings, open the phone. If the phone is already open, press [ ]. To enter a word: Press the appropriate key until the character you want 2. Press [ ] to end the call. appears on the display.
Use the speakerphone feature
During a call, press [ speaker. Press [ ] and then <Yes> to activate the
] again to switch back to the earpiece.
Get started / Step outside the phone _04
Make sure you have each item Phone Travel adapter Battery Users Guide You can obtain various accessories from your local Samsung dealer. Note: The items supplied with your phone and the accessories available at your Samsung dealer may vary, depending on your country or service provider.
When you switch your phone on, the following messages may appear
08 S olvi ng Prob lem
Make sure that the SIM card is correctly installed
The automatic locking function has been enabled. You must enter the phones password before you can use the phone.
The PIN code was entered incorrectly three times in succession and the phone is now blocked. Enter the PUK supplied by your service provider.
You are using your phone for the first time. You must enter the Personal Identification Number (PIN) supplied with the SIM card. The PIN Check feature is enabled. Every time the phone is switcshed on, the PIN has to be entered. To disable this feature, use the PIN check menu.
No Service, Network Failure, or Not Done displays
The network connection has been lost. You may be in a weak signal area. Move and try again. You are trying to access an option for which you have not taken out a subscription with your service provider. Contact the service provider for further details.
You have entered a number but it was not dialled
Make sure that you have pressed SEND Make sure that you have accessed the right cellular network. Make sure that you have not set an outgoing call barring option.
UNPACK / Solving Problem_05
A caller cannot reach you
Make sure that your phone is switched on. (Press END for more than one second.) Make sure that you are accessing the correct cellular network. Make sure that you have not set an incoming call barring option.
Your voice is not heard at the other end
Make sure that you have switched on the microphone. Make sure that you are holding the phone close enough to your mouth. The microphone is located at the bottom of the phone.
The phone starts beeping and Battery Low flashes on the display
Your battery is insufficiently charged. Recharge the battery.
The audio quality of the call is poor
Check the signal strength indicator on the display ( ). The number of bars indicates the signal strength from strong ( ) to weak( ).
Try moving the phone slightly or moving closer to a window if you are in a building.
No number is dialled when you re-call a Address entry
Use the Phonebook feature to ensure the number has been stored correctly. Store the number again, if necessary.
The battery doesnt charge properly or the phone sometimes turns itself off
Wipe the charging contacts both on the phone and on the battery with a clean soft cloth.
If the above guidelines do not help you to solve the problem, take note of
The model and serial numbers of your phone Your warranty details A clear description of the problem
GSM TELEPHONE 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11.
CONTENTS Safety Precautions Specification Product Function Array course control Exploded View and Parts list MAIN Electrical Parts List Block Diagrams PCB Diagrams Flow Chart of Troubleshooting Reference data Disassembly and Assembly Instructions
GSPN (Global Service Partner Network) Country North America Latin America CIS Europe China Asia Mideast & Africa
Web Site service.samsungportal.com latin.samsungportal.com cis.samsungportal.com europe.samsungportal.com china.samsungportal.com asia.samsungportal.com mea.samsungportal.com
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.
Samsung Electronics Co.,Ltd.
2007. 12. Rev.1.0
1. Safety Precautions
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 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.
SAMSUNG Proprietary-Contents may change without notice
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.
2-1. GSM General Specification
G S MPh ase 1 Fr eq. Ba nd[MHz] Up link/ Do wnl ink ARFCN ran ge Tx/Rx spacin g Mod. Bit r ate/ Bi t Peri od Tim e Slot Per iod/ Fra me Per iod Mo dulat ion MS Power Po wer Class Sen sitivity TDMA M ux Cell Radius 880~915 925~960 0~124 & 975~1023 45MHz 2 70.83 3kbps 3.692 us 576.9 us 4. 615ms 0.3G M SK 3 3dBm~5 dBm 5pcl ~ 19pcl -1 02dBm 8 35Km DCSPh ase 710~1 805~512~95MHz 2 70.83 3kbps 3.692 us 576.9 us 4. 615ms 0.3G MSK 3 0dBm~0 dBm 0pcl ~ 15pcl -1 00dBm 8 2Km PCS1900 1850~ 1910 1930~ 1990 512~ 810 80MHz 270. 833kbps 3.6 92us 576. 9us 4.615 ms 0.3 GMSK 30dBm~0dBm 0pcl ~ 15pcl - 100dBm 8 -
2-2. GSM Tx Power Class
TX Power control level
25 dBm 05 dBm
3. Product Function
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
4. Array course control
4-1. Software Adjustments
Array course control
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'
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
5. Exploded View and Parts List
5-1. Cellular phone Exploded View
QFR01 QMW01 QCR57 QCR12 QKP01 QCR12 QME01 QMI01 QAN05 QSH11 QKP02 QSP01 QMO01 QLC01 QAN02
QRF03 QCK02 QCK01 QCR79
QCR05 QBA01 QCR05 QSC05 QSC06 QBA00
Exploded View and Parts List
5-2. Cellular phone Parts List
QAN02 QAN05 QBA00 QBA01 QCA01 QCR05 QCR05 QCR12 QCR57 QFR01 QKP01 QKP02 QME01 QMI01 QMO01 QMP01 QMW01 QPC01 QRF01 QSC05 QSC06 QSH01 QSH11 QSP01 QVK01 QRE01 QCK01 QCK02 QRF03 QVO01
INTENNA-SGHF250 ASSY MEC-INTENNA CONN RUBBER PMO COVER-BATTERY INNER BATTERY PACK-750MAH,BLK, CAMERA MODULE-1/5" 1.3M SCREW-MACHINE SCREW-MACHINE SCREW-MACHINE SCREW-MACHINE ASSY CASE-FRONT ASSY KEYPAD-MAIN(SER/BLU) ASSY KEYPAD-SUB(EU/SIL) DOME SHEET-MAIN 15KEY MICROPHONE-ASSY-SGHF250 MOTOR DC-SGHF250 PBA MAIN-SGHF250 ASSY COVER-MAIN WINDOW MEA-SLIDE FPCBKIT TAPE-RF TAPE-SHEET LOWER SCREW R TAPE-SHEET LOWER SCREW L ASSY BRACKET-SHIELD CAN RMO RUBBER-PMU SPEAKER ASSY ETC-SGH-F250 EARJACK FPCB ASSY CASE-REAR PMO KEY-CAMERA PMO KEY-MUSIC PMO COVER-EAR PMO KEY-VOLUME
GH42-01334A GH75-08200A GH72-45426A GH43-02483A GH59-04999A 6001-001478 6001-001478 6001-001530 6001-002001 GH98-06181A GH98-07157A GH98-06178A GH59-04909A GH30-00417A GH31-00373A GH92-04288A GH98-06184A GH97-08490A GH74-35673A GH74-34644A GH74-34645A GH98-06179A GH73-11283A 3001-002242 GH59-05101A GH98-06182A GH72-44168A GH72-44170A GH72-44164A GH72-44169A
QFU01 QSP05 QFL01 QCR78 QCR79 QLC01 QME02
ASSY CASE-SLIDE UPPER ASSY DECO-SPK ASSY CASE-SLIDE LOWER SCREW-MACHINE SCREW-SPECIAL ELA ETC-SGHF250 SUB LCD MODULE DOME SHEET-SUB 7KEY
GH98-06180A GH98-06298A GH98-06183A 6001-002116 6009-001534 GH96-02951A GH59-04915A
BAG PE CBF INTERFACE-DATA LINK CABLE( CBF INTERFACE-MIC CABLE(S20P,B ADAPTOR-ATADS10EBE,BLK,EU S/W CD-SGH-F250 PC STUDIO 3.2. EARPHONE-EARPHONE,3 PLUG,BLK,E LABEL(P)-UNIT SEAL LABEL(R)-WATER SOAK MANUAL USERS-EU ENGLISH MANUAL USERS-EU RUSSIAN LABEL(R)-MAIN(EU) BOX-UNIT(EU NEW) CUSHION-CASE(EU) TAPE INSU TAPE INSU-LED TAPE-REMOVE SPONGE TAPE INSU SPONGE TAPE GASK TAPE ELEC VINYL-BOHO UPPER TAPE-LCD ESD MIDDLE R TAPE-SUB CONN BOTTOM TAPE INSU SPONGE-FRONT BOTTOM VINYL-BOHO UPPER BOTTOM SPONGE SPONGE-MIC
SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SA SNA SA SA SA SA SA SA SA SA SA SA SA SA SA
2703-002308 2703-002308 2703-002314 2703-002367 2703-002367 2703-002367 2703-002367 2703-002368 2703-002596 2703-002597 2703-002597 2703-002700 2703-002870 2703-002870 2703-003064 2703-003331 2801-004339 2801-004683 2901-001283 2901-001320 2901-001409 2901-001409 2901-001409 2901-001436 2901-001436 2901-001436 2901-001436 2901-001436 2909-001283 2911-000072 3301-001729 3301-001729 3301-001729 3301-001729 3301-001729 3301-001729 3301-001729 3301-001729 3301-001729 3301-001812 3301-001812 3301-001812 3301-001812 3301-001912 3301-001912 3301-001912 3301-001912 3404-001303 3404-001303 3404-001303 3404-001303 3705-001421 3708-002211 3709-001394 3709-001400
L517 L518 L118 L100 L103 L105 L108 L120 L111 L110 L112 L106 L102 L117 L402 L300 OSC300 OSC100 U210 F500 F600 F601 F602 F603 F604 F605 F606 F607 F100 MODULE100 L302 L400 L401 L403 L404 L405 L406 L407 L600 L301 L500 L501 L502 L504 L506 L508 L511 TAC_CAM600 TAC_DOWN60 TAC_MU600 TAC_UP600 CN100 CN600 CD500 SIM300
INDUCTOR-SMD INDUCTOR-SMD INDUCTOR-SMD INDUCTOR-SMD INDUCTOR-SMD INDUCTOR-SMD INDUCTOR-SMD INDUCTOR-SMD INDUCTOR-SMD INDUCTOR-SMD INDUCTOR-SMD INDUCTOR-SMD INDUCTOR-SMD INDUCTOR-SMD INDUCTOR-SMD INDUCTOR-SMD CRYSTAL-SMD CRYSTAL-SMD FILTER-EMI SMD FILTER-EMI/ESD FILTER-EMI SMD FILTER-EMI SMD FILTER-EMI SMD FILTER-EMI SMD FILTER-EMI SMD FILTER-EMI SMD FILTER-EMI SMD FILTER-EMI SMD FILTER-LC DUPLEXER-FEM BEAD-SMD BEAD-SMD BEAD-SMD BEAD-SMD BEAD-SMD BEAD-SMD BEAD-SMD BEAD-SMD BEAD-SMD BEAD-SMD BEAD-SMD BEAD-SMD BEAD-SMD BEAD-SMD BEAD-SMD BEAD-SMD BEAD-SMD SWITCH-TACT SWITCH-TACT SWITCH-TACT SWITCH-TACT CONNECTOR-COAXIAL CONNECTOR-FPC/FFC/PIC CONNECTOR-CARD EDGE CONNECTOR-CARD EDGE
3710-002499 3711-006137 3711-006141 4202-001255 4302-001181 GH71-06379A GH71-06379A
IFC500 BTC500 HDC600 ANT102 BAT300 ANT100 ANT101
SOCKET-INTERFACE HEADER-BATTERY HEADER-BOARD TO BOARD ANTENNA-CHIP BATTERY-LI(2ND) NPR-ANTENNA CONTACT NPR-ANTENNA CONTACT
SA SA SA SA SA SA SA
Please consult the GSPN website (Samsung Portal) for the most recent version of the product's part list.
7. Block Diagrams
7-1. BaseBand Solution Block Diagram
Transmit Receive Filters REFOSC
BBACD LSU BAICGU STEREO ADC/DAC
OSC100 26MHz CONTROL BDIF CDIF ADIF
SIOY CAU KAU DMAC TIO
CSL GPIO EXTINT KBS USIM FCI SPI PWM
SIOX ROM RAM DOCN
RFCU VAU RD16024 DSP BBB
SIM Card Flash Card
DMAC IIC ARM946 DS IS
ADEC ROM RAM UART USB
SCON SCTU ISS RAM ARB INT IPP JDU VDE CAM IIC2
7-2. RF Solution Block Diagram
8. PCB Diagrams
Main top view
Main bottom view
9. Flow Chart of Troubleshooting
9-1. Power On
' Power On ' does not work Yes
Check the current consumption more than 100mA Yes
No Download again
Check the VBAT more than 3.3V Yes
No Check the Battery
No C319(VISA) = 2.6V? Yes Check the related circuit
Check the VDD_IO_LOW_1.8V of U305 is more than 1.8V Yes No Check the U305 and C333, R318, R309
Check U305 VDD_IO_HIGH_2.9V = 2.9V AVDD_2.6V = 2.6V VDD_VIB_3.3V = 3.3V VDD_SD_2.9V = 2.9V VDD_PLL_1.2V = 1.2V
No Check the U305 and C300, C305, R316, U302, C307, C311
Check the clock R120
Check R120 Freq = 32KHz
Check the initial operation
Flow Chart of Troubleshooting
Initial Failure Yes
Check the VDD_IO_LOW_1.8 of U305 "High" when the phone is boot on No Check the U305 and C333, R318, R309
No Check the VDD_IO_HIGH_2.9V of U305 is "High" Check U305 and C300
No LCD display is O.K?
Check HDC600 and LCD part
Yes No Sound is O.K? Yes END Check audio part
9-3. Charging Part
Abnormal charging part Yes
Check the U305 pin 38 > 5.0V
Check the circuit related to V_EXT_CHARGE
U305 pin 34(AUX_ON) = "L"?
Check the circuit related to AUX_ON signal
Check the U305 pin 36 1.25V
No Resolder or replace U305
9-4. Sim Part
Phone can't access SIM Card
No Check the pin 1 of SIM300 Voltage = 3V Check the circuit related to SIM300
No Check the SIM connector's (SIM300) connector's to SIM card resolder or change SIM300
Yes No Check the circuit around SIM300 input circuitry Yes
Check the related circuit of SIM300
9-5. Microphone Part
Microphone does not work
Yes No Check the assembled status of microphone. Reassemblage microphone
Check the circuit from U400 to MIC No Resolder the C409, C410, R407, R408
Check U400 PIN 4 = ' H' ?
No Check the JACK_EN signal
No Check the MIC Replace the MIC
9-6. Speaker Part(Melody)
Speaker does not work
No Is the terminal of speaker OK? check the specker
Check the SPK_P & SPK_N "HIGH" No Resolder SPK_P & SPK_N
Check the output circuit of U401(Audio AMP) No Change or resolder around U404
Check the input circuit of U401(Audio AMP) No Change or resolder around U403, U404
No Is speaker OK?
9-7. Key Data Input
Check Initial Operation
When one of the keys is pushed, is it displayed on LCD?
No Check the Dome sheet & Key Pad
When one of the keys is pushed, KBIO signal is OK?
No Replace the Key PBA
9-8. Back Light (for Color Main LCD)
Backlight does not work Yes
No Is LCD Contrast set on high level in the Menu? Set LCD Contrast on high level
No Check the Slide FPCB Change the Slide FPCB or LCD
9-9. Key Back Light
Main Key LED does not work Yes No Check the key FPCB connector on PBA Reconnect the key FPCB
IS key FPCB ok?
Change key FPCB
9-10. Camera part
"Camera" function does not work Yes
Check the Camera connector on PBA
No Reconnect the camera module
Is there another problem?
Replace the camera module
9-11. Radio part
Radio does not work Yes
No C128 1.8V Resolder C128 and Check PMU part
C318, C154, C136, L113 is OK? (When U101 operate) No Resolder C138, C154, C136, L114 and check U101
Check signal related to U101
9-12. GSM Receiver
Cell Power : -60dBm
Yes MODULE100 Pin13 -65dBm No
Yes MODULE100 1,2 -68dBm No No Check MODULE100 pin9,pin11 = L Yes Yes No U100 pin C7 -70dBm pin B7 -70dBm Check ANT Switch control circuit
9-17. PCS Transmitter
No PAM100 pin1 -4dBm Yes Check PAM100 pin 2,3,5,6,8, +Vbatt pin4OK? No No Yes
U100 pin C2,B1,B2,A1 0.2Vp_p Yes U100 pin G4,F3,D6, C5,B3,A5,F1 29,32,33,36 2.8V pin C1 2.9V No Check & Resolder C115,C116,C117,C114 And PMU Part
9-18. Bluetooth part
Bluetooth connection disable Yes No Check BT function ON Enable BT function
Check the voltage of U305 is around 1.8V
No Check U305 and change
Yes No Check 26KHz Clock on U101 Check OSC100
Check the assembled status of ANT102
No Resolder of change ANT102
No Exchange U101 Check UCP200
10. Reference data
AAC: Advanced Audio Coding. AVC : Advanced Video Coding. BER : Bit Error Rate BPSK: Binary Phase Shift Keying CA : Conditional Access CDM : Code Division Multiplexing C/I : Carrier to Interference DMB : Digital Multimedia Broadcasting EN : European Standard ES : Elementary Stream ETSI: European Telecommunications Standards Institute MPEG: Moving Picture Experts Group PN : Pseudo-random Noise PS : Pilot Symbol QPSK: Quadrature Phase Shift Keying RS : Reed-Solomon SI : Service Information TDM : Time Division Multiplexing TS : Transport Stream
11. Disassembly and Assembly Instructions
11-1. Disassembly Instructions
1) Unlock the SD CARD moving to left side. 1) Remove 4 screws of the Rear
1) Remove the Battery and SIM CARD/SD CARD from handset.
1) Be careful of scratching the surface of handset.
1) Separate the Rear Cover from Front Ass'y after verifying the position of 7 hooks in Rear Cover.
1) Separate the Rear and the Front with holding top of the Rear.
1) Don't devote heavily the bottom of the Rear.
1) Be careful of breaking the Hooks.
Disassembly and Assembly Instructions
1) Remove the KEYPAD
1) Loosen the screw of FRONT
1) Lift the PBA top position and seperate the FPCB CONNECTOR.
1) Be careful of damaging the FPCB and CONNECTOR.
1) Don't devote heavily the screw of FRONT.
1) Push up the FRONT above the picture.
1) Loosen the screw of LOWER
2) Seperate the FRONT from the LCD part.
1) Be careful of damaging the FPCB.
1) Remove the SPK and MOTOR 1) Seperate the LOWER from 1 ~ 4. 2) Seperate the KEYPAD from UPPER
1) Be careful of damaging FPCB. 2) Lift up the SLIDE HINGE before you separate LOWER.
1) Be careful of damaging the SPK and MOTOR.
1) Solder and seperate the FPCB from the PBA. 2) Remove the TAPE. 2) Remove the FPCB.
1) After remove the bonding, separate the SPK and MOTOR.
1) Be careful of damaging the LCD GLASS.
11-2. Assembly Instructions
1) Attach the double sided TAPE like picture.
2) Insert the FPCB in RED line.
1) Solder the SPK ,MOTOR and paste the bond.
1) Be careful of damaging LCD.
1) Be careful of damaging FPCB and Sub PCB Connector.
1) Attach the GREEN TAPE like picture.
3) Solder the FPCB on RED position like picture. 2) Verify the SILK line. 1) Put in the SUB KEYPAD. 2) Be careful of damaging the SPK and MOTOR.
1) Be careful of damaging FPCB.
1) Tighten 4 screws on the Lower side.
1) Insert the FPCB into lower hole. 2) Combine Slide lower and upper from 1 ~ 4 2) Attach the LOWER SHEET on the top side LOWER.
1) Be careful of damaging FPCB. 2) Be careful of scratching the surface of handset.
2) Suspends and assembles the FRONT top portion HOOK
1) Tighten 4 screws on the FRONT side. 1) Assembling the FRONT and LCD ASS'Y, be careful of dameging FPCB. 1) Put the Keypad on front cover's right position.
1) Be careful of damaging FPCB/CONNENTOR.
1) Remove the GREEN TAPE of the CAMERA and REAR.
1) Attatch the PBA on bottom side, and then combine the FPCB and CONNECTOR. 2) Verify Mic on front cover's mic guide.
1) Remove certainly the GREEN TAPE because it is responsible for picture quality badness.
1) Hook the top side of rear to front ass'y. 1) Tighten 4 screws on rear red position.
1) Be careful of damaging FPCB and Mic.
SAMSUNG'S F250 GETS THE MUSIC GOING Music-centric Samsung's F250 Keeps Your Playlist Under Control With Great Features Samsung F250 unlocked slider phone packs in a lot of great technology including front-mounted music-controls that let the users navigate their playlist with ease. Thus unlocked tri-band Samsung F250 does away with the rigid slider design and emerges as a brand new way to keep the music going. Samsung has designed a phone to suit all the most important needs. Sonic Purity As a multimedia phone, there are lots of good things about this device that keep the media pumping. An FM radio and the ability to play AAC as well as e - AAC files is a big plus. Not many other unlocked GSM phones can accomplish this, which gives the F250 a unique advantage. A Micro - The Samsung F250 is the ultimate phone for people who wan to keep their multimedia all in one place. Key Features Of Samsung F250: - Tri-Band Connectivity - Light-Weight - Large Phonebook - Micro - SD (Trans
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