Mobile Phone Repairing Course
Introduction Online Free Course in Mobile Repairing (Card& Chip Level Training).Taught and Trained by ExperiencedTeachers.Learn Mobile Repairing with Modern Toolsand Equipment and Latest Technology.Students can Start Their Own Business afterCompleting the Course.www.mobilecellphonerepairing.com1
Scope for Students Students can Start Their Own Business in MobilePhone Repairing and Cell Phone Industry. Students can Work as a Technician in a Cell PhoneService Centre. Students can Find Job in Cell Phone Industry.www.mobilecellphonerepairing.com2
Course Overview Introduction & Identification of PCB (Printed Circuit Board). Fault Finding of Mobile Phone Sections with Block Diagram. Hardware of Mobile Phone. Use of Tools and Equipment. Mobile Phone Software. Multimedia and Downloading.www.mobilecellphonerepairing.com3
Index1.Mobile Phone Dictionary:Full Forms of Terms Usedin Mobile Phone.2.Mobile Phone RepairingTools and Equipment.3.4.5.6.7.About IC (IntegratedCircuit) and CountingTechniques of Leg-Typeand Ball-Type IC.8.About Current.9.Circuit (CKT) Symbol.10.Sections of a Mobile Phone.11.Identification of Big Parts ina Mobile Phone.Software Tools.12.Software Problems andSolutions.Identification of Small Partsin a Mobile Phone.13.Multimedia andDownloading.Identification of Card LevelParts.Identification of PCB.www.mobilecellphonerepairing.com4
Mobile Phone Dictionary1.1G: 1St Generation in Mobile Telephony.2.2G: 2Nd Generation in Mobile Telephony.3.3G: 3Rd Generation in Mobile Telephony.4.4G: 4Th Generation in Mobile Telephony.5.AC: Alternate Current.6.BGA: Ball Grid Array.7.BSI: Battery Status Indicator.8.CDMA: Code Division Multiple Access.9.CPU: Central Processing Unit.10.DCT: Digital Core Technology.www.mobilecellphonerepairing.com5
Mobile Phone Dictionary11.DC: Direct Current.12.GSM: Global System for Mobile Communications.13.IMEI: International Mobile Equipment Identity.14.IC: Integrated Circuit.15.LED: Light Emitting Diode.16.PDA: Personal Digital Assistant.17.PFO: Power Frequency Oscillator.18.PCB: Printed Circuit Board.19.RAM: Random Access Memory.20.RF: Radio Frequency.www.mobilecellphonerepairing.com6
Mobile Phone Dictionary21.ROM: Read Only Memory.22.RTC: Real Time Clock.23.RX: Receive / Receiver (Receiving Section).24.SMD: Surface Mount Device.25.TX: Transmit (Transmitting Section).26.UEM: Universal Energy Manager.27.VCO: Voltage-Controlled Oscillator.www.mobilecellphonerepairing.com7
Mobile Phone Repairing Tools and Equipment1.Soldering Iron or Soldering Station: Used to Solder.Soldering IronSoldering Stationwww.mobilecellphonerepairing.com8
Mobile Phone Repairing Tools and Equipment P.C.B Stand: Used to HoldPCB. Solder Wire (Ranga): Usedto Solder.www.mobilecellphonerepairing.com9
Mobile Phone Repairing Tools and Equipment Thinner: Used to CleanPCB. Jumper Wire: Used toConnect One Point toAnother Point on a PCB.www.mobilecellphonerepairing.com10
Mobile Phone Repairing Tools and Equipment Blade Cutter: Used to Cutand Remove Lamination. Point Cutter: Used to CutWire.www.mobilecellphonerepairing.com11
Mobile Phone Repairing Tools and Equipment Nose Cutter: Used to CutWire. Screwdriver (T6,T5,T4, ,-):Used to Remove andTighten Screws from MobilePhone.www.mobilecellphonerepairing.com12
Mobile Phone Repairing Tools and Equipment Tweezers: To Hold Wireand Components. Brush: For Cleaning.www.mobilecellphonerepairing.com13
Mobile Phone Repairing Tools and Equipment Multimeter: To Check PCBTrack and ElectronicComponents. Blower (S.M.D ReworkStation): To Remove andSolder SMD / ChipComponents.www.mobilecellphonerepairing.com14
Mobile Phone Repairing Tools and Equipment Battery Booster: To BoostVoltage of Battery. Ultrasonic Cleaner: ToClean PCB and com15
Mobile Phone Repairing Tools and Equipment BGA Kit: To Reball andRepair Ball-Type IC. Magnifying Lamp: To GetMagnified View of PCB andComponents.www.mobilecellphonerepairing.com16
Mobile Phone Repairing Tools and Equipment Case and Screen Opener:To Open the Screen andCase of a Mobile Phone. Regulated DC PowerSupply: To Supply DCElectricity.www.mobilecellphonerepairing.com17
Mobile Phone Repairing Tools and Equipment Liquid Flux: To Clean PCBTrack and Legs ofElectronic ComponentsWhile Soldering. Paste Flux: Used WhileSoldering.www.mobilecellphonerepairing.com18
Mobile Phone Repairing Tools and Equipment Solder Paste: Solder inSemi-Solid Form. Used toSolder. File / Reti / CleaningSponge: To Clean Tip ofSoldering Ironwww.mobilecellphonerepairing.com19
Mobile Phone Repairing Tools and Equipment Desoldering Wire: To DesolderElectronic Components and ToRemove Excess Solder fromPCB Track. Screwdriver Kit: ToDisassemble and AssembleMobile Phone.www.mobilecellphonerepairing.com20
Identification of Card Level Parts.1.Fascia2.Back FaciaFaciawww.mobilecellphonerepairing.comBack Facia21
Identification of Card Level Parts.3.Haddi / Internal Fascia4.Ringer / Loudspeakerwww.mobilecellphonerepairing.com22
Identification of Card Level Parts.5.Speaker / Earpiece6.Mic / Microphonewww.mobilecellphonerepairing.com23
Identification of Card Level Parts.7.Vibrator / Motor8.LEDwww.mobilecellphonerepairing.com24
Identification of Card Level Parts.9.Charging Connector10.Headphone / 5
Identification of Card Level Parts.11.Data Cable Connectorwww.mobilecellphonerepairing.com26
Identification of Card Level Parts.12.Battery13.Battery Connectorwww.mobilecellphonerepairing.com27
Identification of Card Level Parts.14.SIM Card15.SIM Card Connectorwww.mobilecellphonerepairing.com28
Identification of Card Level Parts.16.Memory Card17.Memory Card Connectorwww.mobilecellphonerepairing.com29
Identification of Card Level Parts.18.Camera19.Camera Connectorwww.mobilecellphonerepairing.com30
Identification of Card Level Parts.20.Keypad Button21.Keypad Carbon / TicklyKeypad Carbonwww.mobilecellphonerepairing.com31
Identification of Card Level Parts.22.Keypad Connector23.ON / OFF Switchwww.mobilecellphonerepairing.com32
Identification of Card Level Parts.24.Display25.Display Connectorwww.mobilecellphonerepairing.com33
Identification of Card Level .com34
Identification of Card Level Parts.28.PDAwww.mobilecellphonerepairing.com35
Nokia 3310 Mobile Phone PCB DiagramAntenna PointPFO / PABSINetworkSectionOn / OFF SwitchAntenna SwitchNOTES:RX Filter1.UEM Logic IC Charging IC Audio IC Power IC2.PFO AntennaSwitch PFO3.Flash IC RAM FlashICNetwork ICVCOPower ICAudio ICRTCCharging ICPowerSectionCPUR22MIC InterfaceFlash ICRAMUI Module / Logic ICBuzzer Interfacewww.mobilecellphonerepairing.com36
Identification of PCB1.Antenna Point: The point where anteena is connectedis called anteena point.2.Network Section: The section below anteena point andabove power section is called network section.3.Anteena Switch: It is found in the network section. It ismade from metal and non-metal. It has 16 points orlegs.www.mobilecellphonerepairing.com37
Identification of PCB4.In some mobile phones, the anteena switch is mergedwith PFO.5.PFO: It is present beside the antenna switch.6.Network IC: It is below or beside the anteena switchand PFO.7.In some mobile phones, the Network IC is merged withthe CPU. E.g.: Nokia 1200, 1650, 1208, 1209 etc.www.mobilecellphonerepairing.com38
Identification of PCB8.Power Section: This section is below the Network Section.9.Power IC: In the Power Section, the IC around which there areseveral brown-coloured capacitors, is called Power IC. In somemobile phones there are 2 Power IC.10.CPU: In the power section, the largest IC is the CPU. In somesets there are 2 CPU.11.Flash IC: This IC is found beside the CPU.www.mobilecellphonerepairing.com39
Identification of PCB12.Logic IC: The IC with 20 legs is the Logic IC.13.Charging IC: In the Power Section, the IC beside R22 is theCharging IC.14.Audio IC: The IC parallel to Power IC is the Audio IC.15.UEM Logic IC Charging IC Audio IC Power IC16.PFO Antenna Switch PFO17.Flash IC RAM Flash ICwww.mobilecellphonerepairing.com40
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Definition of Big Parts1.Antenna Switch: It is found in the Network Section of a Mobile Phoneand is made up of metal and non-metal. In GSM sets it is found in whitecolour and in CDMA sets it is found in golden metal.Work: It searches network and passes forward after tuning.Faults: If the Anteena Switch is faulty then there will be no network inthe mobile phone.www.mobilecellphonerepairing.com42
Definition of Big Parts2.P.F.O: It is found near the Anteena Switch in the Network Section of aMobile Phone. It is also called P.A (Power Amplifier) and Band PassFilter.Work: It filters and amplifies network frequency and selects the homenetwork.Faults: If the PFO is faulty then there will be no network in the mobilephone. If it gets short then the mobile phone will get dead.www.mobilecellphonerepairing.com43
Definition of Big Parts3.RF IC / Hager / Network IC: It is found near the PFO in the NetworkSection of a Mobile Phone. It is also called RF signal processor.Work: It works as transmitter and receiver of audio and radio wavesaccording to the instruction from the CPU.Faults: If the RF IC is faulty then there will be problem with network inthe mobile phone. Sometimes mobile phone can even get dead.www.mobilecellphonerepairing.com44
Definition of Big Parts4.26 MHz Crystal Oscillator: It is found near the PFO in the NetworkSection of a Mobile Phone. It is also called Network Crystal. It is madeup of metal.Work: It creates frequency during outgoing calls.Faults: If this crystal is faulty then there will be no outgoing call and nonetwork in the mobile phone.www.mobilecellphonerepairing.com45
Definition of Big Parts5.VCO: It is found near the Network IC in the Network Section of a MobilePhone.Work: It sends time, date and voltage to the RF IC / Hager and the CPU.It also creates frequency after taking command from the CPU.Faults: If it is faulty then there will be no network in the mobile phoneand it will display “Call End” or “Call Failed”.www.mobilecellphonerepairing.com46
Definition of Big Parts6.RX Filter: It is found in the Network Section of a Mobile Phone.Work: It filters frequency during incoming calls.Faults: If it is faulty then there will network problem during incomingcalls.7.TX Filter: It is found in the Network Section of a Mobile Phone.Work: It filters frequency during outgoing calls.Faults: If it is faulty then there will network problem during outgoingcalls.www.mobilecellphonerepairing.com47
Definition of Big Parts8.ROM: It is found in the Power Section of a Mobile Phone.Work: It loads current operating program in a Mobile Phone.Faults: If ROM is faulty then there will software problem in the mobilephone and the set will get dead.www.mobilecellphonerepairing.com48
Definition of Big Parts9.RAM: It is found in the Power Section of a Mobile Phone.Work: It sends and receives commands of the operating program in amobile phone.Faults: If RAM is faulty then there will be software problem in themobile phone and it will get frequently get hanged and the set can evenget dead.www.mobilecellphonerepairing.com49
Definition of Big Parts10.Flash IC: It is found in the Power Section of a Mobile Phone.It is also called EEPROM IC, Memory IC, RAM IC and ROM IC.Work: Software of the mobile phone is installed in the Flash IC.Faults: If Flash IC is faulty then the mobile phone will not workproperly and it can even get dead.www.mobilecellphonerepairing.com50
Definition of Big Parts11.Power IC: It is found in the Power Section of a Mobile Phone. Thereare many small components mainly capacitor around this IC.RTC is near the Power ICWork: It takes power from the battery and supplies to all other parts ofa mobile phone.Faults: If Power IC is faulty then the set will get dead.www.mobilecellphonerepairing.com51
Definition of Big Parts12.Charging IC: It is found in the Power Section near R22.Work: It takes current from the charger and charge the battery.Faults: If Charging IC is faulty then the set will not get charged. If theCharging IC is short then the set will get dead.www.mobilecellphonerepairing.com52
Definition of Big Parts13.RTC (Simple Silicon Crystal): It is found in the Power Section nearPower IC. It is made up of either metal or non-metal. It is of long shape.Work: It helps to run the date and time in a mobile phone.Faults: If RTC is faulty then there will be no date or time in the mobilephone and the set can even get dead.www.mobilecellphonerepairing.com53
Definition of Big Parts14.CPU: It is found in the Power Section. It is also called MAD IC, RAP ICand UPP. It is the largest IC on the PCB of a Mobile Phone and it looksdifferent from all other ICs.Work: It controls all sections of a mobile phone.Faults: If CPU is faulty then the mobile phone will get dead.www.mobilecellphonerepairing.com54
Definition of Big Parts15.Logic IC / UI IC: It is found in any section of a mobile phone. It has 20pins or legs. It is also called UI IC and Interface IC.Work: It controls Ringer, Vibrator and LED of a mobile phone.Faults: If Logic IC / UI IC is faulty then Ringer, Vibrator and LED ofmobile phone will nor work properly.www.mobilecellphonerepairing.com55
Definition of Big Parts16.Audio IC: It is found in Power Section of a mobile phone. It is alsocalled Cobba IC and Melody IC.Work: It controls Speaker and Microphone of a mobile phone.Faults: If Audio IC is faulty then Speaker and Microphone of a mobilephone will not work and the set can even get dead.www.mobilecellphonerepairing.com56
Identification of Small Parts1.Crystal: There are 2 types of crystal in a mobile phone:i) Network Crystal: This crystal is found in
Mobile Phone. It is also called P.A (Power Amplifier) and Band Pass Filter. Work: It filters and amplifies network frequency and selects the home network. Faults: If the PFO is faulty then there will be no network in the mobile phone. If it gets short then the mobile phone will get dead.
Certificate Course Smart Phone Repairing 10th Pass / Fail Certificate Course in Mobile Repairing 10th Pass / Fail 6 Months Certificate Name of The Courses Required Qualification Certificate Course in Electronics 10th Pass / Fail Certificate Course in Black & White TV Servicing 10th Pass / Fail Certificate Course in Black &With Color TV & DVD 10th Pass / Fail Certificate Course in Color TV .
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Smartphone & Mobile Repairing Basic Electricity & Electronics, Tools & Equipments, Mobile Accessories, Types of Power Supply and Battery, Assembling & Dissembling of Mobile, Soldering & De- . Mobile Software Problems & Solution, Smart Phone Technology, Smart Phone Features and Smart Phone Troubleshooting , Introduction to Tablet, Tablet .
The phone lock code may be set to prevent your mobile phone from being misused. In general, this code is provided along with the mobile phone by the manufacturer. The initial phone lock code is set to 0000 by the manufacturer. If the phone lock code is set, you need to input the phone lock code when powering on the mobile phone. PIN
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County: DeKalb Job Cost: Subdiv: Unit : Lot #: Zoning Dist: Block #: Phone #: Cell #: Front Depth Height Sq. Ft. Front Depth Height Sq. Ft. Total Sq. Ft. of Bldg: Garage: Attached Detached Address Phone Address Phone Carpenter Address Phone Address Phone Address Phone Address Phone Roofing Contractor Address Phone Address Phone Address Phone .
County: DeKalb Job Cost: Subdiv: Unit : Lot #: Zoning Dist: Block #: Phone #: Cell #: Front Depth Height Sq. Ft. Front Depth Height Sq. Ft. Total Sq. Ft. of Bldg: Garage: Attached Detached Address Phone Address Phone Carpenter Address Phone Address Phone Address Phone Address Phone Roofing Contractor Address Phone Address Phone Address Phone .
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