TOPICS COVERED :-

Basic Electronics Components

Includes resistors, capacitors, inductors, diodes, BJTs, MOSFETs, op-amps, and their applications. Testing with UNI-T DSO, Fluke Multimeter, QJE Power Supply.

Adapter Voltage 19V DCIN/VOLT-IN Section

Various 19-volt sections on the laptop motherboard, including switching and blocking device combinations.

3V/5V Power Supply Standby Section

Important starting supply in the power-up sequence, using ICs like TPS51125, TPS511225, Richtek RT8205, and RT8243.

Charging Section and Battery Charger

Conceptual and logical section covering battery charger IC functions and common ICs used.

Practical Cold Testing

Testing laptop motherboard sections with a multimeter and power supply, including impedance value testing for various components.

LAPTOP COMPONENTS AND SYSTEMS COVERED:

RAM Power Supply Internal Logic

Covers S3 state supply, CPU-RAM communication, power-up sequence, and display. Includes RAM IC requirements, VDDQ, VTT, S3/S5 States, and various DDR types.

Super IO Controller / EC Embedded Controller

Explores SIO working, power supply requirements, triggering logic, signal sequence, and fault finding. Includes PCI Express, Clocks, SM Bus, GPIO, I2C communication, and chip replacement techniques.

RTC Section

Covers Real Time Clock section, 32.768 kHz generation, VCCRTC supply, RTC signals, and reset voltages. Includes concepts, logic, and fault finding for various RTC-related issues.

LVDS Section

Explores LVDS and EDP concepts for display, including fault solutions for no display, dim display, and external port display issues. Covers various LVDS section signals and their troubleshooting.

BIOS Section

Covers Management Engine region concept, BIOS updates, editing, and mods. Includes HEX editing of different BIOS regions and solving various laptop motherboard faults through BIOS manipulation.

ADVANCED LAPTOP COMPONENTS AND TESTING TECHNIQUES:

VRM/CORE Section

Explores Core IC requirements, internal logic, and various pins (VR_EN, VGATE, VCCSIO, VCCSA, ISUM, VCCSENSE, PROG) working with single and multi-phase regulator ICs. Covers CPU power supply and its role in solving no display faults and other issues.

Power Supply Techniques

Covers techniques for fault-finding in always and suspend modes of laptop motherboard sequences. Includes current injection method for troubleshooting various chip-level faults in laptop motherboards.

DSO/CRO/Oscilloscope Advanced Settings

Explores advanced Digital Storage Oscilloscope applications for testing signal and reset supplies. Covers Pulse Width Modulation (PWM), GATE trigger, DRAMRST, differential signal testing, RTC section frequency signal testing, EC_RST#, and SMBus SDA/SCL communication.

ADVANCED LAPTOP REPAIR AND TESTING TECHNIQUES:

Thermal and Sound Section

Covers applications, fault detection, and connections to various sections of the laptop motherboard. Includes sound section troubleshooting and related practical case studies.

PCH Communication & Signals

Explores the Platform Control Hub's power management section and its communication with various laptop components. Provides a comprehensive overview of PCH states and details.

Complete BIOS Testing by DSO

Covers testing of BIOS signals (MISO, MOSI, CS#, CLK, VCC) using Digital Storage Oscilloscope to diagnose display-related faults. Includes techniques for detecting noise and glitches in signals.

Laptop Motherboard Power Sequence

Explores various power states (S5, S4, S3, S0, G3) in laptop motherboards and their significance in the repair process.

On-Board RAM Disable Technique

Covers techniques for disabling on-board RAM in various laptop brands (Lenovo, Acer, Dell, etc.) using logic on schematics and boardview.

ADVANCED LAPTOP REPAIR TECHNIQUES AND TOOLS:

Graphics to Non-Graphics Conversion

Explores logic and techniques for converting graphics to non-graphics to solve various graphics-related problems in laptops.

Boardview Usage Techniques

Covers the application of Allegro and Tabo boardview software for component finding and fault troubleshooting in laptop chip-level repairs.

SOC CPU Communication

Explores System on Chip (SOC) CPU communication and various CPU states essential for identifying and localizing faults in laptops.

CSME Region Modification

Covers techniques for cleaning, modding, and editing CSME, TXE, and ME regions, as well as RSA signature editing to solve various laptop display and power issues.

Practical Tools Usage

Provides comprehensive motherboard repairing case studies, techniques, and tips using tools such as DSO, power supply, multimeter, BIOS programmer, SIO programmer, SVOD, ENIT, and more.