Mobile Phone Repair Training

• 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)

VOLTAGE 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,

AFTER COURSE YOU MUST HAVE KNOWLEDGE

• Changing of body
• Changing of lcd, touch panels
• Correction of tracks and jumper techniques
• Changing of charging connector sockets
• Changing of ringer vibrator, handsfree, display
• Changing of sim, keypad, ringer, display chip
• Soldering & removing components
• Jumper knowledge

• RESISTOR:- Types Used, SMD, Measure
• CAPACITOR :- Work, Types, Ceramic, Electrolyte,
• INDUCTOR COIL – Work, Types, Check,
• TRANSFORMER :- Work, Types, Step up, Step down, SMD, Check
• DIODE :- Semiconductor, Ntype, Ptype, Work, Types, Testing
• TRANSISTOR :- Work, Types, NPN, PNP, Testing Method, Used
• FET,MOSFET :- Work, Types, NPN,PNP, Testing, Single Channel, Dual Channel, Testing, Used
• OTHER COMPONONET Fuse, CRYSTAL, RTC
• DIGITAL ELECTRONICS :- Number systems types, Conversion of Number systems
• LOGIC GATEG :- AND, OR NOT NOR, NAND
• Study Chip Datasheet and Working Idea of different Chip

2.2 MOBILE PHONE SECTION & FAULTS DETAIL

a) CHARGING SECTION (practical explanation of charging, diagram of charging section, common problem & solution in charging section)

b) ON/OFF POWER SECTION:- ( how mobile start, on/off signals come from, common problems & solution )

c) Dead mobile fault finding :- ( checking pcb, short, open close , offline tracing )

d) POWER/ UEM SECTION( practical explanation of different power supply to different chip, common problems and solution of power section, work of UEM/ Power, signals convert analog to digital, mixing of rx and tx signals, , common problems and solution of UEM section )

e) NETWORK SECTION (practical explanation,antenna, antenna contact, external antenna, antenna switch, filter, coupler, uem, rx, tx, PFO, Amp.If ic /hagar diagram, problem, solution, tips)

f) RAM, FLASH,NAND DATA SECTION(function of RAM , FLASH, NAND chip ,how its work, common problems and solution of ram & flash chip)

g) SIM SECTION (Different pin of Simcard, memory of sim, Work of simcards, cutting of sim, small sim

h) AUDIO SECTION(practical explanation of mobile phone audio section , mic speaker, handsfree, etc not work etc, problem and solution of audio section)

i) KEYPAD SECTION (Keypad IC, practical explanation, diagram, problem, solution)

j) DISPLAY SECTION ( practical explanation, diagram, problem, solution)

• CPU SECTION ( work of cpu , common problem & solution of cpu section )
• CLOCK, RTC SECTION ( work of clock chip, supply of clock frequency to chip, common problem and solution of clock section)
• BLUEETOOTH, IRDA,WIFI SECTION( worki of blueetooth , irda, wifi , common problems of blueetooth, irda and wifi section )

2.3 DIFFERENT MOBILE OPENING AND STUDY CIRCUIT WITH DIFFERENT SECTION

• (nokia, samsung, sony, china, etc)
• Understanding block diagram of models, different chips, schematic diagram , understanding problem and solution diagram, complains, solution, tips)

2.4 UNDERSTANDING MOBILE PROBLEMS AND SOLUTION WITH FLOW CHART

• Flow chart of mobile repairing troubleshooting
• Mobile shorting finding steps
• Mobile connector shows open circuit
• Mobile does’t power on
• Mobile not charging
• When calling mobile switch off
• Mobile power on but restart
• Mobile hang up
• Mobile power on but no display
• Mobile phones no network
• Mobile one band come other not
• Mobie on but keypad not work
• Sim not accepted in mobile
• Sim not valid
• Insert correct sim
• Bluee tooth not work
• WIFI not work

2.5 REPAIRING AND PRACTICE OF MOBILE

• Step of repairing
• Cold/ warm testing method
• Schematic diagram tracing
• Tools & instrument use demo
• Micro iron & soldering iron practice,
• Removing & installing chip
• socket and connector practice
• Jack changing (battery connector ,sim, charging, handsfree)
• Big ic removing practice,
• Micro iron jumper practice,
• Jumper practice
• Ic’s rebolling concept
• BGA ic removing, rebolling, replacements
• Driver chip changing
• PFO/ PA changing
• Tracing and foult finding
• Track reading thru circuit diagram
• Track checking on mobile phone
• Mobile phone physical testing

2.6 MOBILE PHONES REPAIR TESTING METHOD PRACTICLE

• NOKIA MODELS
• SAMSUNG MODELS
• CHINA MODELS
• SMARTPHONE SMALL MODELS
• OTHER MODELS
• STUDENTS MOBILES

NOTE:-(depend on models come on repairing or available )

• TIPS AND DIAGRAM OF DIFFERENT MODELS,

AFTER COURSE YOU MUST HAVE KNOWLEDGE

• FOULT FINDING STEPS
• Correction of tracks and jumper techniques
• Finding shorting on mobile phones
• Changing module like antenna switch PFO filter ics,
• Changing of bga chip
• Changing of smd components
• Schematic tracing idea

2.7 REVISION & EXAM OF MOBILE HARDWARE

MODULE M3 :- MOBILE SOFTWARE REPAIR AND TROUBLESHOOTING

• Basic downloading concept
• Bluetooth, wifi, mem card, cable
• Copy contacts of mobile
• Symptoms of mobile software
• Totally dead hardware ok, hang up, restart, screen blink, no display, no network, blueetooth problems, etc
• Latest devices for repairing mobiles phones
• Different types of unlocking device
• Repairing mobile thru software
• Types of cables used in mobiles
• Usb rj45, data cables, USB cables,

3.2 MOBILE PHONES SECRET CODES,

• NOKIA
• SAMSUNG
• CHINA
• LG
• SONY

3.3 DIFFERENT MOBILE SOFTWARE UPGRADING DEVICE

• NOKIA MOBILE PHONES DEVICE

( UFS/HWK, JAF, MXBOX, CYCLONE, ATF)

• SAMSUNG MOBILE PHONES DEVICE

(UFS/HWK , Z3X , ASAN SAM, SPT)

• LG MOBILE PHOENS DEVICE

(UFS/HWK , OCTOPUS, Z3X, )

• SONY MOBILE PHONE DEVICE

(SE TOOLS )

• CHINA MOBILE PHONE DEVICE
• 1st generation (spiderman)
• 2nd generation( dragon, avatar, MTK , UCT, hyper box, t-box)
• 3rd generation ( scorpio, chinaking, mobile doctor v.2, volcano)
• software change, upgrading downgrading, error solution, reset, hard reset, soft reset, Unlocking, hanging solution,network troubleshooting with software
• Reset codes of different mobile
• Changing contrast, language of mobile

3.4 NOKIA FLASHING STEPS (UFS, ATF)

• Connecting mobile with device thru cable and box
• Models (DCT3, DCT4, WD2, BB5)
• Files(MCU,PPM, CNT, PM )

3.5 SAMSUNG MOBILE FLASHING STEPS (UFS, Z3X, SPT)

• CPUTYPES:- (ONE-C, TRIDENT, M46,SWIFT, SKY/INF,QC/BCM,OTHER

MODELS :-

FILES:-

3.6 CHINA MOBILE FLAHSING STEPS(DRAGON)

• CPU TYPES:- ( MTK, SPREADTRUM, MSTAR, COOLSAND, RDA, ETC)concept

Direct flashing

Different software