Chip Systems

A cellphone Chip Level syllabus typically covers everything from basic electronics to advanced motherboard troubleshooting. The training is generally divided into hardware repair, software repair, and professional workshop practices.

This module provides the foundation needed to understand how mobile devices function at the component level.

• Electronics Fundamentals: Introduction to AC/DC voltage, current, power, and Ohm’s Law.
• Component Identification: Recognizing and testing active and passive components like resistors, capacitors, transistors, diodes, fuses, coils, and crystal oscillators.
• Equipment Mastery: Proper use of a digital multimeter for testing circuits, DC power supplies, and battery boosters.
• Safety Practices: Workshop safety procedures and ESD (Electrostatic Discharge) protection.

Hardware training focuses on physical repairs, parts replacement, and board-level soldering.
• Assembling & Disassembling: Correct methods for opening various mobile phone models.
• Part Replacement: Replacing screens (LCD/Folder), batteries, charging ports, speakers, microphones, and camera modules.
• Soldering Techniques: Manual soldering of SMD components, microsoldering, and the use of hot air rework stations.
• Advanced Board Work: Reballing and replacing BGA chips, and jumpering techniques for broken tracks.
• Water Damage Recovery: Cleaning procedures using ultrasonic cleaners or CTC chemicals.

This module teaches students how to find the root cause of complex failures.
• Schematic Reading: Identifying component layouts and symbols in circuit diagrams to trace faults.
• Section Tracing: Detailed study of charging, light, SIM, audio, and network circuits.
• Testing Methods: Performing “cold testing” (without power) and “hot testing” (under load) to locate short circuits.
• Common Fault Diagnosis: Solutions for dead sets, network failures, display hanging, and restart problems.

Software training focuses on the operating systems and digital tools used to fix non-physical issues.
• Flashing & Formatting: Learning to install or update official firmware for various brands.
• Unlocking Devices: Removing FRP (Factory Reset Protection), patterns, passwords, and user locks using tools like Miracle Box or Z3X Box.
• OS Knowledge: Understanding Android and iOS error codes, updating, and downgrading software versions.
• Diagnostic Tools: Using PC-based diagnostic software and secret codes for device testing.

Many courses include a module on managing a repair business.
• Customer Relations: Dealing with distributors and managing customer expectations.
• Business Management: Guidance on starting a repair center and marketing services.
• Supply Chain: Procedures for procuring quality spare parts and tools.

• Introduction About Mobile Phones
• Checking Ear Speaker, Loud Speaker, Mic., Charging Connector.
• Chip Level Services Short Brief
• SMT Components Explanation
• Resistor, Inductor, Capacitor, Diode , Ic -Construction Working Process Explanation And Practicals
• Components Removing And Fixing- Student Individual Performance
• Components Fault Finding Through Multi Meter – Students Individual Performance
• Voltage Sections Involved In Mobile Phone Motherboard – CPU, EMMC, Network, Battery, CC Board, Display,Battery Sec, Power Section
• Voltages, Current, Amps & Watts Explanation
• How To Trace Voltages In Motherboard
• Troubleshooting And Problem Solving Techniques In Dead Mobile Phone
• 2 Tier , 3 Tier Power IC Tracing
• BQ, Mediatek, Qualcomm Charging Tracing And Fixing
• LCD Section OLED Section
• Backlight And GFX Section
• VREG Line , LDO Lines Tracing
• Short Killer Method
• Primary Section And Secondary Section
• 6 AMPS Port Concepts
• DC PSU Reading And Troubleshooting
• Software Chimera, Unlock Tool, Umt Pro Training
• Network Section PA And WTR Concepts Live Tracing And Troubleshooting