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Secrets On Power Supply Repair and Troubleshooting-Solving Problems And Failure in Switch Mode Power Supplies. A Switch Mode Power Supply. The power supply repair is one of the most challenging tasks for an electronic repairer and once you have mastered the circuit and repair technique, to troubleshoot other types of circuit such as the color. Introduction The switchmode power supply (SMPS) Until the. 1970s or so, most. Recommended Troubleshooting & Repairing LCD TVs Ebook. Learn how to.

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Troubleshooting & Repairing Switch Mode Power Supplies Ebook screenshot. Troubleshooting and repairing Switch Mode Power. Ebook Switch Mode Power.

Earn A Living Repairing Smartphones

It is an unavoidable fact that smartphones can, and do, break. When they do, people want to get them repaired, but often the only option they have is to take theirdevice back to wherever they purchased it from and have the merchant return it to the manufacturer. This process of sending it away, having it repaired, and sending it back can take days, orsometimes weeks if the fault is serious, and this can be frustrating and inconvenient for the owner. Being able to repair smartphones for people in your local area could give you agreat opportunity to start your own business, or add a repair service to your existing business if you already deal in electronics or phones. You can get started straight away by signing up to ourfree email newsletter, which will give you great tips to help you get started.

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Trends and Facts About Smartphone & Laptop Repair Business
1. Nearly 52% of the World’s population has Internet access – that’s just under4 BILLIONpeople. Those numbers areheavily influenced by North America and Europe where Internet penetration is over 80% for each continent.
2. Smartphone & Laptop repair is a major segment of the industry. IBISWorld estimates the yearly revenue of the cell phone repair industry at $4 billion, with an annual growth rate of 3%.
3. SquareTrade, a company that insures smartphones, reports “a cellphone in the U.S. breaks every two seconds.” Fragile LCD assembly, short battery life and other breakable parts also contribute to astable market for smartphone repair shops. Tablet repair is also quickly gaining market share.

Smartphone Repair Course

In order to be able to repair smartphones, you will need to have an in-depth understanding of smartphones, how they work, and all their internal components. Asmartphone repair course is the best way to get this knowledge, as it will allow you to learn in a structured and simple way. Our smartphone repair course is a series of lessions, taught bypeople who have expert knowledge of repairing smartphones. Each lessions covers a major fault that smartphones are likely to develop, showing you how to identify the problem and how to repair orreplace the faulty parts. Our course is a simple and easy way to learn everything you need to about how smartphones work and how to be able to repair them.

Learn Step By Step How To Fix Your Own Mobile Phones!

If you find yourself in need of some mobile repair, or want to learn more about it to perhaps start repairing Cell phones for a little extra money this website has theinformation you need

• How to disassemble & assemble different types of cell phones
• Identifying different parts of GSM and CDMA handsets
• Tools used for mobile phone repairing
• How to use different tools used for mobile repairing
• Work of different parts & ICs
• Jumpering Techniques
• Techniques used to repair (troubleshooting) different faults
• Course includes repairing basic as well as advanced cellular phones

Part 1 : Smartphone Repairs

• Cellphone Basics
• Block Diagrams
• Hardware Troubleshooting & Repair
• SoftwareTroubleshooting & Repair
• Flashing & Unlocking Techniques
• User lock, SPC, MSL, FSC, OTKSL
• GSM unlocking: using codes
• Using software to remove user lock, SPC
• what is prl
• what is ESN/MEID
• CDMA Software Defined

Part 2: Basic Electronics Declassified: Dota map 6.86 ai.

• Ohm's Law
• Series Circuit
• Parallel Circuit
• Identifying Electronics Components and Circuit Symbols
• Resistors
• Capacitors
• Transistors
• Diodes
• Fuse
• Coils & Inductors
• Crystal Oscillators
• RF & IF Amplifiers and Filters
• EMI and ESD Filters

Part 3: Tools and Test Equipments

• Safety Procedures and Proper Handling of Tools and Test Equipments
• How To Use and Read a Multimeter Tester
• Test and Check up Procedures on Electronics Components
• Preparing the Proper Tools For Repairing
• Opening Tools and Tweezers
• Soldering and Desoldering Tools
• Muti Tester
• SMD Rework Stations
• DC Power Supply
• Cleaning Kits
• Reballing Kits
• Working Table Equipments

Part 4: Schematic Diagrams

Troubleshooting Switching Power Supply

• How to Read Cellphone's Schematic Diagrams
• Identifying Component Symbols and Layout in Schematic Diagram
• How to Identify The Follwing:
• Resistor's Symbols and Layout
• Capacitor's Symbols and Layout
• Transistor's Symbols and Layout
• Diodes Symbols and Layout
• Coil Symbols and Layout
• Integrated Circuit Symbols and Layout
• DC to DC Voltage Drivers, Regulators
• Convertes Symbols and Layout
• EMI-ESD Symbols and Layout
• RF Filter Symbols and Layout
• Battery Cell Symbols and Layout
• Power Switch , Mouthpiece, Earpiece and Ringtones Speakers
• User Interface Symbols and Layout
• Clock Crystal Oscillator Symbols and Layout
• Fuse Symbol and Layout
• Lines and Symbols on Schematic Diagram

Part 5: SOLDERING, SOLDERING, SOLDERING

• How to Find and Locate Components on PC Board
• How to Solder SMD Components Manually by Hand
• Master soldering on any electric board
• BASICS OF SOLDERING
• Advantages of Soldering
• What is Soldering & de-soldering? Lead free or not?
• Hand soldering vs. machine soldering
• Electric tools used in soldering: Soldering machines, Hot-Air machines, Pre-heaters, Infrared machines,
• Rework stations..etc
• Soldering tips & soldering irons
• Hand tools & accessories used in soldering: magnifier, tweezers, Fume Extractor , sponges.etc
• Chemicals used in soldering: flux, lead, solder wire, flux remover, tin

Part 6: APPLICATION OF SOLDERING IN CELL PHONE REPAIR

• Types of circuit boards: PCB solder types and cell phone generations
• Which electronic components are found in a cell phone PCB
• diode, transceiver, transistor, integrated circuit, 2 point solder joints or 3 joints multi points?
• Underfill & under film
• Practical basic soldering trainings
• Basic and intermediate applications for training
• Soldering charging ports
• Soldering power buttons
• Soldering flex cables
• Soldering SIM card trays
• Memory modules
• Camera modules
• Battery sockets
• LCD Connector modules
• How to Reball BGA Chips Manually by Hand
• Identifying and Familiarization of Common Mobile Phones Components and Spare Parts
• LCD's Touch Screen Panels Microphones Micro Speakers Switches Charging Pins Antenna's Battery
• USB connectors
  

Part 7: Integrated Circuits

• Understanding Major Integrated Circuits (IC) on Mobile Phones
• Power Management IC
• Application Processor
• Flash IC
• RAM IC
• Hardware Handling Procedures
• Proper Disassembling and Assembling Methods
• How to Test Mobile phone Speaker,Buzzer or Ringer
• How to Test Mobile phone Microphone or Mouthpiece
• How to test Mobile Phone Charger Voltage
• How to Test Mobile Phone Vibra Motor
• How to check Mobile Phone Battery Voltage
• How to test Power ON OFF Switch

Part 8: LIQUID DAMAGE

• Types of liquid damage: Toilet, fresh, salt, food
• Tools used in treatment
• Chemicals used in treatment

Part 9 : Troubleshooting

• Hardware Troubleshooting Basics
• How to Troubleshoot Not Charging Issues
• How charging circuit works
• No Charging Response
• Charger Not Supported
• Not Charging
• How SIM Circuits works
• Insert Sim Card Problem
• Invalid Sim Card
• How Keypad Circuits Works
• How to Map and Trace keypads Lines
• Understanding The LED light Circuits
• Explanation on How Audio Circuits work
• Mouthpiece
• Earpiece
• Buzzer
• Ringer
• Headset
• Vibra motor
• How LCD Display Circuit Works
• Understanding How RF circuit works

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