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Questions and Answers
What does PCB stand for?
Printed Circuit Board
Which of these is a mobile phone repairing tool?
A multimeter is used to check PCB track and electronic components.
True
What is the function of a soldering iron?
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____ is used to clean PCB track and legs of electronic components while soldering.
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What is BGA an acronym for?
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Desoldering wire is used to solder electronic components.
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What does 4G stand for in mobile telephony?
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Which of the following is NOT a part of mobile phone identification?
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____ is used to connect one point to another point on a PCB.
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Study Notes
Course Overview
- Offers free online training in mobile repairing, focusing on both card and chip-level techniques.
- Instructed by experienced teachers with expertise in modern tools and technology.
- Prepares students for potential careers or businesses in the mobile phone repair sector.
Skills and Career Opportunities
- Students gain hands-on training to repair mobile phones, allowing them to start their own businesses or work in service centers.
- Opportunities to become technicians in cell phone service centers or find jobs in the mobile phone industry.
Key Curriculum Topics
- Introduction to PCB: Understanding printed circuit boards, identification, and functionality.
- Fault Finding: Techniques for diagnosing issues in mobile phones using block diagrams.
- Mobile Phone Hardware: Comprehensive overview of internal components and their roles.
- Tools and Equipment: Training on using various tools like soldering irons, multimeters, and more.
- Software Knowledge: Learning about mobile phone software, multimedia handling, and downloading processes.
Important Terms and Technologies
- 1G to 4G: Evolution of mobile telephony including the first to fourth generations.
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Key Components:
- IC (Integrated Circuit): Crucial for electronic functionality.
- PCBs (Printed Circuit Boards): Foundation for most electronic devices.
- RAM, ROM, CPU: Essential hardware memory types and processing units.
Common Mobile Phone Terms
- GSM: Global System for Mobile Communications.
- IMEI: Unique identifier for mobile devices.
- DC and AC: Types of electrical current used in devices.
- CDMA: Code Division Multiple Access technique for communication.
Mobile Repairing Tools and Equipment
- Soldering Iron/Station: Essential for soldering electronic components.
- Multimeter: For measuring electrical properties and testing PCB tracks.
- Nose Cutter and Blade Cutter: Tools for cutting wires and removing components.
- Tweezers: Useful for gripping small parts during repairs.
- BGA Kit: Used to reball and repair ball-type integrated circuits.
Additional Tools
- Case and Screen Opener: Required for accessing mobile phone interiors.
- Ultrasonic Cleaner: Cleans PCBs and electronic components effectively.
- Solder Paste and Flux: Materials used in soldering processes.
- Regulated DC Power Supply: Provides stable electricity for device testing.
Practical Materials
- Desoldering Wire: Helpful in removing excess solder and components.
- Jumper Wire: Connects various points on circuit boards for troubleshooting.
- Liquid Flux and Solder Wire: Used for cleaning and applying solder when needed.
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Description
This quiz provides an overview of a free online course in mobile repairing, focusing on card and chip level training. Taught by experienced instructors, students will learn about modern tools and equipment, paving the way for career opportunities in the mobile industry. Completing this course enables students to start their own business or work as technicians in service centers.
