• LCD LED SHORT DETAIL OF COURSE
  • ASSEMBLE AND DISMANTLE , (OPEN CLOSE) LCD LED TV, UNDERSTAND DIFFERENT PARTS,
  • TESTING, WORKING,
  • BASIC ELECTRONICS UNDERSTAND ELECTRONICS COMPONENT TESTING IDENTIFY CONNECTION
  • AND SERIES PARALLEL SHORT OPEN CLOSE ETC
  • LCD LED DIFFERENT SECTION AND WORKING IDEA OF SECTION
  • POWER SUPPLY WORKING CONCEPT, TEST POINTS AND SHORTCUT , COMMON FAILURE
  • LCD INVERTERS WORKING CONCEPT, BYPASSING SIMPLEST METHODS WITH PRACTICALS
  • LED DRIVER BOARD WORKING CONCEPT, LED TESTER, BACK LIGHT FAULT FINDING, LED’S
  • REPEATED FAILURES & SOLUTION STEPS
  • POLARIZER SHEET REPLACEMENT TIPS N TRICKS
  • MAIN BOARD WORKING CONCEPTS AND TEST POINTS PRACTICALLY
  • TCON / SCALLER PCB WORKING THEORY , IMPORTANT SHORTCUTS, IN BYPASSING SCALER PCB
  • WITH PRACTICAL
  • SIMPLE AND IMPORTANT PANEL BYPASSING METHODS WITHOUT USING COSTLY TOOLS,
  • SOFTWARE RELATED ISSUES AND SIMPLE WAY OF UPDATING SOFTWARE USING RT809F/H
  • PROGRAMMER
  • UNIVERSAL MAIN BOARD FIXING METHODS PRACTICALLY
  • TAB BONDING MACHINE WORKING VIDE DEMO

 

  • LCD LED TV REPAIRIN COURSE
  • LCD LED DETAIL COURSE STRUCTURE

 

  • MODULE 1 LCD LED SERVICE TRAINING
  • COURSE
  • ASSEMBLE AND DISMENTLING OF LCD/ LED TV
  • Introduction & types of LCD & LED TV
  • Difference between LCD LED
  • Understand how LCD LED TV works
  • Explanations about various section and parts in side
  • & outside of the TV
  • Parts identify of LCD TV
  • Block diagram and working principle- of TV
  • LCD LED different section and working idea of
  • section
  • (Liquid crystals displays, power supply board,
  • inverter board, main board, controller/t-con board,
  • LCD driver board, stand by circuit)
  • Tools required for LCD LED chip level repairing
  • MODULE 2 CHIP LEVEL REPAIR TRAINING
  • 1 BASIC ELECTRONICS
  • AC , DC,Electronics, Electrical, Current, Voltage,
  • Watt, Ampere, Types Of Circuits, Measure Units
  • Types of Material, Working Detail of Circuit,
  • Component Types
  • Resistor, Types Used, SMT, Measure
  • Capacitor :- Work, Types, Ceramic, Electrolyte,
  • Induction Coil – Work, Types, Check,
  • Transformer :- Work, Types, Stepup, Stepdown,
  • SMD, Check
  • Diode :- Semiconductor, Ntype, Ptype, Work, Types,
  • Testing
  • TRANSISTOR :- Work, Types, NPN, PNP, Testing
  • Method, Used
  • FET,MOSFET :- Work, Types, NPN,PNP, Testing,
  • Single Channel, Dual Channel, Testing, Used
  • Type of IC’s – Working function
  • Difference between normal & SMT components
  • ELECTRONICS PROJECT
  • MODULE 2.2 POWER SUPPLY UNIT (PSU) SMPS/
  • POWER BOARD
  • working concept of power board circuit
  • types of power supply
  • Block diagram of power supply unit
  • Understand circuit diagram of power supply
  • Oscillation section
  • PFC circuit description and bypass PFC
  • PFC switching MOSFET Testing
  • Testing of PFC Controller IC
  • Active PFC layout testing
  • Testing of primary Rectifier circuit layout
  • Startup & Run PWM circuit testing
  • Testing of PWM controller IC
  • Testing Power switching MOSFET
  • Testing of Secondary rectifier Circuit
  • Testing of Current Sense Sampling Circuit
  • Testing of Error Detection Circuit
  • Testing of RAC Shunt Regulator

 

  • Testing Feedback of Optoisolator
  • Test point of power supply
  • Common failure of power supply
  • Shortcut , troubleshooting concept
  • EMI Filter and Hazard Protection Circuit testing
  • Power Board – Power Factor Correction.
  • Testing of Feedback through Optoisolator

 

  • 3 LCD INVERTER CONCEPT
  • LCD CCFL backlight technique concept
  • Testing of Primary Rectifier circuit layout
  • Testing P-N Dual Switching MOSFET
  • Working concept of LCD inverter
  • Tracing LCD inverter circuit
  • Bypassing method of inverter
  • OVP bypassing process
  • DC-DC Converter Board – LED Backlight
  • Testing LED Drives
  • Testing LED Supply
  • Replacing Backlight LED
  • Common Faults & Solutions
  • 4 LED DRIVER BOARD WORKING CONCEPT,
  • LED tester,
  • Back light fault finding,
  • LED’s repeated failures &
  • Solution steps
  • 5 LCD LED PANEL CONCEPT
  • Main COF description ,
  • Side PAD description
  • Bypass method
  • Slow motion picture
  • Still picture
  • Bypass method
  • (COF changing video demo )
  • POLARIZER SHEET REPLACEMENT TIPS N
  • TRICKS
  • TAB BONDING MACHINE WORKING VIDE
  • DEMO

 

  • ADVANCE LCD LED REPAIR TRAINING
  • MODUEL 3
  • 1 MOTHERBOARD/ MAIN BOARD TROUBLE
  • SHOOTING
  • Main ic of Logic Board therboard
  • Power supply connector, LVDS conector , Bios ic ,
  • controller ic, front keyboard connector , remote
  • sensors, DC TO DC CONVERTION SECTION
  • Starting suppy
  • DC TO DC CONVERTION SECTION ,

 

  • Power on sequencec of board
  • How to trace DC TO DC INPUT SUPPLY
  • Identification and functions of FRUs
  • Identification and functions of logic ICs of LED Tv
  • VPU, MCU, RAM, Flash, HDMI, Audio, Toner,
  • Network, etc
  • Testing of RTC Crystals
  • Testing of logic step down Regulators
  • Common Fauts and Solutions

 

 

  • 2 UNIVERSAL MAIN BOARD FIXING METHODS
  • PRACTICALLY

 

  • 3 TCON (Timing Control board) CONCEPT
  • Scaler board PCB working concept
  • Starting input and output supply
  • DC to DC section concept
  • Basic voltage of working panels
  • Bypassing scaler pcb
  • T-Con, Gamma Correction,
  • Testing of T-Con board signals

 

 

  • 4 AUDIO CIRCUIT DIAGRAM & VOLTAGE
  • CHECKING
  • Different voltage on audio section
  • Line in line out mic etc function
  • 5 SOFTWARE BIOS UPDATE
  • Work of software in LCD LED
  • Simple way to update software using Rt 809
  • 6 BGA CHIP REPLACEMENT
  • Replacement of logic ICs.
  • Use of BGA Rework Station
  • BGA Rework of logic ICs

 

  • MODULE 4 FAULT IDENTIFY
  • /TROUBLESHOOTING
  • Power Logic Sequence Testing
  • Testing LED feedback
  • Display Sequence – For Display problem in LED Tv

 

  • Solution for sound, HDMI, USB, Network problems
  • in LED Tv
  • PSU (Power Supply Unit) Failures
  • Inverter Board Failures,
  • No Video
  • No Audio
  • OSD/Menu Failure
  • White Screen
  • Rainbow Screen
  • Screen Flashes Then TV Shut Down
  • No Back Light
  • Cracked Panel
  • LCD TV Repair Case Histories
  • slow picture
  • Dark picture
  • Picture with line
  • Polarized sheet replacing video
  • LCD LED REPAIR CASE STUDY

 

  • . No Power?
  • No Display No Sound?
  • Power On but No Display (or) noise picture?
  • Power On but No Sound (or) noise sound?
  • Tuning problem

 

  • Tools & Equipment

 

  • Multimeter UNI-T UT33D.
  • Frequency meter Mastech MS8240D.

 

  • RT809F EEPROM / BIOS Programmer.
  • Ring Tester.
  • Supply Tester.
  • PCB Stand.
  • Safety Glasses.
  • Quick850/MAX850 SMD Rework Station.
  • Solder Pot.
  • Lead Free Solder Alloy.
  • Soldron Solder iron 25 Watt.
  • Max Gold adjustable DC Solder iron.
  • Lead Free Solder Wire single core.
  • Max Gold Solder De-Solder flux paste.
  • Rosin Gel.
  • Kapoor CP-125 De-Solder wick.
  • PCB Cleaner.
  • Anti static Brush.
  • 100Watt 250V~ light bulb.
  • 2kOhms 10Watt Capacitor Discharge Probes.
  • Qsi BGA Flux paste.
  • 11 Twitter.
  • Plastic Opner tool.
  • Phase-1 Philips Screw driver.
  • Wire Cutter.
  • Polystyrene sheet 10mm width, length as per TV
  • screen size.
  • Power Cablel.
  • Universal TV Remote.