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Welcome to CHIPTRONIKS Repairing Research Institute
Parts & Introduction of led tv Introduction
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
2.Power supply board
3.CCFL Backlight inverter board
4.T-con board/Scaller PCB
7.Power switch and other switch
introduction 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 analog electronics and Digital electronics
What is multimeter? How use multimeter?
What are resistor and its working function?
Types of resistor
Resistor colour coding
Difference between carbon resistor and SMD resistor
How find smd resistor value? And its
Resistor soldering practice
What are capacitor and its working function?
Types of capacitor Difference between normal capacitor and SMD 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, signal diode, common cathode diode What is bridge diode? and its function
Difference between normal diode and SMD diode diode checking method and soldering practice How remove bridge diode from POWER SUPPLY?How remove and fixing all types diode from POWER SUPPLY?
What are transistor and its working function?
Types of transistor -mosfet,PNP and NPN
Difference between normal transistor and SMD transistor Mosfet and power mosfet checking method and soldering practice
LCD & LED TV POWER
1.power supply board|
2. What is supply board?
3.Various types of LCD –LED TV power supply
4. supply board functional block diagram
5.External AC-DC Adapter circuit diagram and its troubleshooting tips
POWER SUPPLY SECTION|
1.LCD TV POWER SUPPLY 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 POWER SUPPLY and PWM type POWER SUPPLY 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
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 practica
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 regulator ic [5V to 3.3V1.2v] 2.ics
3.RAM 4.MAIN CPU [MCU+SCALER+VIDEO PROCESSOR]
7.AUDIO AMPLIFIER IC
MOTHERBOARD SECTION -1|
Motherboard IC’s datasheet download and
problem with troubleshooting tips
a.How to check motherboard standby egulator circuit with troubleshooting tips
b.how to check and tracing memory and audio regulator circuit with troubleshooting tips
MOTHERBOARD SECTION -3|
How check and tracing LCD screen power supply circuit with troubleshooting tips
LCD SCREEN SECTION PROBLEMS|
a. Vertical lines
c.poor LCD Images
d.How check LCD screen panel through -LVDS TESTER
e.LCD Screen Datasheet explain
|PANEL REPAIRING PRACTICAL coaf bonding through BONDING MACHINE VLINE remove process through bonding machine H-LINE remove through bonding machine coaf cleaning complete process practically scaller pcb cleaning process polarizer remove and fix process complete LASER MACHINE process with pixel bypassing|
|MOTHERBOARD FAULT FINDING THROUGH WITH DSO crystal testing, voltage testing, LVDS data testing|
LCD TV MOTHERBOARD ROM FLASHING|
a.No display problem for LCD – LED TV
b.When switch ON TV – but TV company logo still shows[Samsung/LG or sony]
c.LCD Tv Setting menu problems
dLCD Tv standby LED ON,but motherboard image are not processing
e.LCD Screen resolution problem
f.LCD screen Ghost image problem
g.LCD Screen double image problem
h.Unknown faults How flashing through RT809H & RT809F PROGRAMMER
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
identificationd.various T.con board
common problems and symptoms
| UNIVERSAL BOARD INSTALLATION PROCESS , BLINKING ERROR CODE SERVICE MENU CODE etc |
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