- What is LCD&LED TV?
- Types of LCD & LED TV
- Various sizes of LCD and LED TV and its difference
- What is the difference between LCD & LED TV?
- How TV works?
LCD TV PARTS IDENTIFICATION:
LCD TV disassembling and assembling practical
LCD TV various parts identification
- 1.LCD screen
- 2.Power supply board-SMPS
- 3.CCFL Backlight inverter board
- 4.T-con board
- 7.Power switch and other switch board
- what is difference between electrical and electronics
- What is current and volt?
- What is difference between AC and DC? AC current/volt,DC current /volt
- Difference between normal electronics and SMT electronics What is multimeter? How use multimeter?
- What are resistor and its working function?
- Types of resistor
- Resistor colour coding
- Difference between normal resistor and SMT resistor
- How find smd resistor value? And its checking method
- Resistor soldering practice
- What are capacitor and its working function?
- Types of capacitor
- Difference between normal capacitor and SMT capacitor
- How find capacitor value? And its checking method
- Capacitor Farad checking method
- High volt capacitor soldering practice
INDUCTOR AND TRANSFORMER:
- What are inductor and its working function?
- Types of inductor
- Inductor checking method
- What are transformer and its working function?
- Types of transformer
- Step-down transformer checking method
- Step-up transformer checking method
- What are diode and its working function?
- Types of diode-rectifier diode,zener diode,LED,schottky diode
- What is bridge diode? and its function
- Difference between normal diode and SMT diode
- Diode checking method and soldering practice
- How remove bridge diode from SMPS?
- How remove and fixing Schottky diode from SMPS?
- What are transistor and its working function?
- Types of transistor-mosfet,PNP and NPN
- Difference between normal transistor and SMT transistor
- Mosfet and NPN checking method and soldering practice
LED TV PARTS IDENTIFICATION:
LED TV disassembling and assembling practical
LED TV various parts identification
LED light string replace method
- 1.LCD screen
- 2.Power supply board-SMPS
- 3.LED Backlight DRIVER board
- 4.Backlight LED string
- 5.T-con board
- 8.Power switch and other switch board
LCD & LED TV SMPS:
- 1.SMPS power supply board
- 2. What is SMPS?
- 3.Various types of LCD-LED TV smps power supply
- 4.Smps functional block diagram
- 5.External AC-DC Adapter circuit diagram and its troubleshooting tips
- 1.LCD TV SMPS complete circuit diagram explanation/tracing and fault finding with troubleshooting tips
- 2.SMPS Primary rectifier circuit tracing and fault finding
- 3.SMPS Secondary rectifier circuit tracing and fault finding
- 4.STR type SMPS and PWM type SMPS difference and explain
- 5.SMPS troubleshooting tips
- a. Power Fail for LCD TV or LED TV [TV Dead condition]
- b.LCD TV stand by light not ON
- c.SMPS Standby LED Blinking
- d.SMPS Standby LED ON then OFF
||SMPS Board Voltage checking:
- How clear SMPS excess Dc current through Test bulb?
- How check SMPS primary section high voltage?
- How check SMPS low output DC voltage?
LCD TV Backlight problem-CCFL LIGHT:
- What is inverter? And CCFL light
- LCD TV backlight inverter circuit fault finding with troubleshooting tips
- CCFL LIGHT replacing from LCD Screen
- LCD TV CCFL Backlight checking by Universal inverter
LED TV LED Backlight problem:
- What is LED backlight Driver
- How work LED Backlight Driver Circuit? And its tracing with troubleshooting method
- LED Backlight driver circuit output voltage checking method
- How Remove and Fix LED Light from LED STRING?
- How check LED Backlight through power supply?
SMPS TROUBLESHOOTING TIPS:
- Backlight inverter troubleshooting tips
- Students smps board circuit tracing practical
STUDENT SMPS BOARD SOLDERING AND DE SOLDERING WITH CHECKING PRACTICAL:
- Remove and fixing Transformer/Bridge rectifier diode/Fuse/Schottky Diode/Power Mosfet and High volt capacitor
Smps doubt clearing class
||LCD-LED TV MOTHERBOARD:
- What is LCD TV Motherboard? and its various Brands of motherboard parts identification [Samsung/LG/sony/Panasonic etc.]
- LCD TV Motherboard Functional Block diagram explain
- LCD TV motherboard IC’s List
Power supply ic’s
- 1.Stand by LDO regulator ic [5V to 3V] Ic part number-1084/1085/AZ1117
- 2.Tuner DC-DC controller ic
- 3.DDR RAM LDO Regulator
- 4.MAIN CPU [MCU+SCALER+VIDEO PROCESSOR]
- 5.ROM IC
- 6.DDR RAM IC
- 7.AUDIO AMPLIFIER IC
- 8.HDMI CONTROLLER IC and etc…
- Motherboard IC’s datasheet download and explain
- How to trace motherboard tuner circuit problem with troubleshooting tips
- a. How to check motherboard standby regulator circuit with troubleshooting tips
- b.how to check and tracing memory and audio regulator circuit with troubleshooting tips
- How check and tracing LCD screen power supply circuit with troubleshooting tips
LCD SCREEN SECTION PROBLEMS:
- a. Vertical lines
- b.Horizantal lines
- c.poor LCD Images
- d.How check LCD screen panel through -LVDS TESTER
- e.LCD Screen Datasheet explain
MOTHERBOARD FAULT FINDING THROUGH CRO:
LCD TV No Display Problem, But LCD TV standby LED is ON
- a.How check CPU clock crystal through CRO? [14.3Mhz/24Mhz]
- b.How check CPU core voltage?
- c.How check motherboard various section voltage?
LCD TV MOTHERBOARD ROM FLASHING:
LCD PANEL T.Con Board:
- a. what is T.con board
- b.T.con board general fault finding
- c.various T.con board and its parts identification
- d.various T.con board common problems and symptoms