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Laptop Repair Training

MODULE M 1 :- MOBILE SERVICE TRAINING, PARTS REPLACEMENT

1.1 BASICS OF ELECTRONICS

  • AC , DC, Electronics, Electrical, Current, Voltage, Watt, Ampere, Types Of Circuits, Measure Units
  • Types of Material, Working Detail of Circuit, Component Types
  • Use of multimeter, measuring ac , dc, ohms ,
  • Soldering and dsoldering of components
  • Basic components identification

1.2 MOBILE BASIC WORKING

  • TYPES OF MOBILE PHONES MODELS, RATE (nokia, Samsung, sony, Motorola, sagem, sonyericson, , iphone, china etc) from internet
  • MENU & OPTION OF MOBILES( Profile, call divert, messege , contact saving , Bluetooth hands free, wifi use, blueetooth used, etc internet application download,)
  • GSM & NETWORKING CONCEPT (How mobile network works, MSC, BSC, BTS Connecting to different MSC, HLR, VLR , understanding GSM, DCS, PCS,CDMA, TDMA technology)
  • TYPES OF FREQUENCY AND BAND ( uplink& downlink frequency, understanding 2g, 3g, 4g communication )

1.3 TOOLS DEMO & SMD COMPONENT REPLACING PRACTICE

TOOLS & EQUIPMENT USE FOR MOBILE PHONE REPAIRING

  • (soldering iron, micro iron, solder wire, dsolder week, power supply unit, twiser, d solder pump, flux, thinner, elma, brush, air blower, smd blower,air blower, hair dryer lcd remover, etc )
  • Soldering , Removing, Cold Testing, Warm Testing, Onboard Testing, t
  • Component removing demo Jumper practice

1.4 ASSEMBLE AND DISMENTLE DIFFERING MOBILE PHONES, BLOCK DIAGRAM , SECTION,

  • OPENINING MOBILE PHONES STEPS Samsung, nokia, china, iphone, smartphone
  • SERVICE MANUALS OF MOBILE PHONES View service manuals from internet, video to view how to open big phones
  • MOBILE BLOCK DIAGRAM OLD, 3G,
  • SMARTPHONE MOBILE BLOCK DIAGRAM (Understand block diagram of cellular phone ,old model, 3g models, smartphone models, Network section , charging section, power section , audio section, uem section, clock section, ram flash section cpu section , blueetooth, irda, wifi section, ringer virator section, keypad section, hagar if ic section radio

1.5 IDENTIFY MOBILE PARTS, ICS AND THEIR FUNCTION

  • POWER SECTION CHIP :- UEM IC / AVILMA / RETU IC, Power IC / UEM IC , Charging IC / betty ic / thavo ic, AUDIO IC
  • NETWORK SECTION:- Antenna, External antenna, Antenna switch, PFO/PA/Power amplifier , Filter/ Amplifier/ coupler, IF IC/ RF IC, VCO / fdk
  • CPU DATA SECTION :- CPU,RAM, FLASH/ ROM, NAND, EEPROM
  • OTHER CHIP:- Crystal RTC 32768 ,Crystal Main 26MHZ, Camera ic,Bluee tooth ic,Radio ic,WIFI ic
  • SMALL IC :- Keypad ic,Ringer ic,sim ic ,LCD ic,MMc ic
  • CONNECTOR :- Vibrator,Mic,Ringer,Speaker,Wifi,

1.6 MOBILE PHONES REPAIR TESTING METHOD

COLD TESTING & WARM TESTING VALUES

• ( ringer & its connector, speaker & its connector, mic & its connector, vibrator motor, battery connector, display connector, camera connector, keypad connector, charger connector, power on off switch, sim card connector, micro sd card, external antenna, RTC Data RX and TX)Touch pad jumper

1.7 DEAD MOBILE TRACING STEPS

  • Short, open , close values, explanation , problems and solution)
  • BASIC STEPS OF MOBILE REPAIRING(cleaninig with liquid a pcb, heating pcb, dry solder problems)
  • VOLTAG CONSUMPTION (off mode, standby mode, on mode voltage consumption explaning)

1.8 OTHERS

  • BATTERY (types of battery, lion, nickle inside of battery, lion, nickel, how to boost battery (zhatka), Memory effect in battery , common problems in battery
  • CHARGERS (Types of Charger, smps, transformer, car charger, traveling charger, usb charger, power bank, )
  • HANDS FREE
  • SIMCARD ( legs, pins, types, mini , micro , nano , sim cutter idea,
  • IMEI ( types of imei no,
  • TYPES OF LOCK(IMEI no identification of mobile phone lock, security code, keypad lock, sim pin1 lock, pin2 lock, splock, Service provider PUK lock, google lock) RINGER VIBRATOR SECTION(practical explanation , diagram, problems, solution, tips,)

1.9 REPLACEMENT OF DIFFERETN PARTS

  • LCD,TOUCHPAD , RINGET, MIC ,VIBRATOR ,SPEAKER ,SOLDERING ,BODY ,SOCKET ( charging, headphone, on off switch,