Mobile Service Training

Mobile Service course is offered by Intersoft Technical Institute. Intersoft is India's most leading institute offering Repair services and different IT courses since 1998 certified from ISO and successfully imparts computer software training with its excellent and ground-breaking technical skills.

Content:

• Module M2 :- Mobile Phone Repairing Concept Of Common Models
• 2.1 Electronics Component Testing Identify , Replacing
• 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 Component 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