Diploma in Laptop Repairing

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Required results - A/L For anyone who wishes to obtain a complete and comprehensive knowledge about repairing laptops
Required results - O/L For anyone who wishes to obtain a complete and comprehensive knowledge about repairing laptops
Intakes -
Time Duration 3 Months
Lecture dates and time -
Qualification from (University/ Taff) ESOFT
Fees informations Rs. 30,000

Installments :
Rs. 15,000 + Rs. 7,500 x 2
Fees - Annually -
Fees - Per Semester -
Fees - Per Month -
Fees - Per Subject -
Locations Ambalangoda Anuradhapura Avissawella Badulla Bandarawela Battaramulla Batticaloa Chilaw Colombo Dambulla Embilipitiya Galle Gampaha Hatton Homagama Ja-Ela Jaffna Kalmunai Kalutara Kandy Katubedda Kegalle Kiribathgoda Kuliyapitiya Kurunegala Matale Matara Minuwangoda Monaragala Narammala Nawalapitiya Negombo Nittambuwa Nugegoda Panadura Piliyadala Polonnaruwa Ratnapura Tangalle Trincomalee Wattala Wennappuwa

This programme has been divided into 2 modules:
Module 1 : SMD Technology
Module 2 : Laptop Troubleshooting
Module 1: SMD Technology

Introduction to Basic Electronic
1. Behavior of Electrons.

Definition of a current
Difference between voltage and current
2. Passive devices Resistors, Capacitors, Inductors

What is a Resistor ?
Parallel and series resistance
Type of resistors and application
Chip Resistor and coding system
EIA – 96 Coding.
Capacitance and application of capacitors
Types of capacitors and applications
Multi-Layer ceramic capacitors
Type of inductors and applications
Chip Inductors
Semiconductor theory
1. Behavior of Semiconductor and PN Junction.
2. Semiconductor devices
3. Transistors(BJT, FET, MOSFET,JFET,UJT)

BJT pin configuration and operation
Practical – Operation of BJT
Type of FET and applications
4. IC family.

Operational Amplifier
IC Packages
Practical – Simulate simple inverting and non-inverting amplifier
5. Logic Gates.

Number System
AND , OR , NOT gate truth table and operation
Practical – simulate simple Logic Circuit
SMD Reworking and soldering technique
1. Introduction to tools and techniques.
2. Particles.

DE soldering resistor , capacitor , IC
Soldering SMD devices.
Measuring equipment’s
1. Multi meter

Current , DC /AC Voltage measurement
Check connectivity
Check Capacitance
2. Oscilloscope

Basic Functions
3. Practical

Module 2: Laptop Troubleshooting

Introduction to Computer Organization & Architecture.
Function of a computer
Computer System Organization
Block Diagram of general purpose Computer.
Address Bus, Data Bus, and Control Bus architecture.
Mother Board Schematics:
1. Diagram Reading.

Block Diagram.
Schematic Diagram
2. Identify components.

Identify components and compare with schematic diagrams
3. Reading test point voltages.

Power Supply voltages.
Test point voltages of internal devices
4. Test point voltage

Power Distribution module.
1. Charging and battery paths
2. Voltage regulation
3. Test point Voltages
4. Power flow diagram
5. Power start up procedure
6. Trouble shooting of no power faults

Chapter 4: Display Technology.
1. LCD/LED Display
2. Process of data transfer to display
3. Data cable schematics
4. Back lights and inverters
5. Graphical Processing Units.
6. Architecture of GPU
7. GPU Related Errors.
8. Replacing GPU.

Memory Technology
1. Type of Memory modules.
2. Memory organization.
3. Memory related errors.
4. Trouble shooting memory related errors.

I/O Interfaces.
1. Audio interface.
a. Internal circuit and trouble shooting.
2. USB.
3. HDMI/ firewire
4. Bluetooth
5. Wi-Fi
6. Rj45

Laptop Firmware
1. BIOS Program
2. BIOS Configuration.
3. BIOS password removing

OS Installation related troubleshooting.
1. Windows troubleshooting.
2. Linux troubleshooting.

Double Major Options

Training mode :

Assessment Method :
Practical exam

Career paths -
Academic centers Esoft
Pathway Options -