1. Repairable Parts for LCD Panels
LCD GLASS
POLARIZER FILM
SOURCE PCB (Timing Controller PCB)
GATE PCB
SOURCE
DRIVER IC
GATE DRIVER IC
1.TFT/ LCD Glass
a. LCD Glass (incl. Colour Filter, ITO lines ,Thin Film Transistor)
b. Polarizer Film (Front, Rear)
2.Gate PCB (PWB) , Gate Driver IC
3.Source PCB (LCD Timing Controller PCB ),Source Driver IC
4.Interface Connector (Flex Cable)
5.Backlite(inverter) PCB
6.CCF lamp. (Cold cathode florescent lamp)
7.Diffuser, lens sheet, light guide, reflector sheet

2. Usage Areas
LCD TV, PDP TV, Lap top Computer, LCD Monitor, Mobile Phone, PDA, Car Navigation System

3. Laptop & Notebook LCDs

4. LCD TV

5. Class 1000 Clean Room LCD Panel Repair Laboratory Air Shower Entrance
ZERO Clean Module
(Polarize Film Replacement)
ESD control
Special Anti-Dust Clothing

6. Necessary Devices for LCD Panel Repair
Bonding Machine
Laminator & Delaminator
BGA/SMD Rework Machine
Special Microscope
ITO Tester
Colour Analyzer
LCD panel tester
Testing Cabin

7. Electronic Laboratory
Component level Repair
PCB Repair (Laptop PCB, LCD PCB etc)
Analog Board Repair (Power Supply, CRT monitor PCB etc)
Antistatic area, ESD Control
SMD/BGA Rework Station
Oscilloscope, Millimeters, Fault Locator, PCB test & Trouble Shooting System, Powers Supply Load Tester

8. LCD Panel Electronic Repair
PCBs on the TFT LCD Panel
GATE PCB
SOURCE PCB
BACK LIGHT PCB
No image, contrast problems, visual problems
Defective electronic component can be determined by our special measuring and comparison devices. All components can be replacement in our laboratory by BGA and SMD Rework Station.

9. Mechanic or Cosmetic Repair
Damageable parts as mechanic ;
Diffuser
Lens Sheet
Light Guide
Reflector Sheet
CCFL Lamp
The parts that above are losing their specialties because of the unsuitable conditions. This happen caused to colour decrement and disappearing image on LCD

10. Problems and Solutions in LCD Panel
Polarizer Film Replacement
Driver IC Replacement (COG,TCP Tab, COF) (Horizontal and Vertical lines on LCD Panel)
* Gate Driver IC Replacement (on LCD glass)
* Gate Driver IC Replacement (on PCB)
* Source Driver IC Replacement (on LCD glass)
* Source Driver IC Replacement (on PCB)
CONNECTOR Replacement
Defect Pixel, Colour Filter ,ITO Line Problems

11. Polarizer Film Replacement
Damaged polarizer films are removed from LCD panel in no dust atmosphere
LCD Panel’s glass is cleaned by a special chemical.
New polarizer film is placed in no dust atmosphere
Colour degree and luminance test is done with Colour Analyzer
General test (Test Box 40 C)

12. Driver IC Replacement (TCP Tab, COG, COF)
The reason of the changing IC driver is horizontal and vertical lines on LCD Panel.
Except this vision missing can be seen in some areas.
Remove Driver IC from LCD panel
Finding the reason of the lines on LCD panel (ITO Tester)
Cleaning the remaining ACF from LCD glass
Determine to ACF type
Determine pressing heat and pressure
Pressing test and Peeling test
General test (Test box 40C)

13. Vertical Line Problem
Can be Repaired by FEBA

14. Driver IC Problem
Can be Repaired by FEBA

15. Contrast Problem
Can be Repaired by FEBA

16. Polarizer Film Problem
Can be Repaired by FEBA

17. Driver IC and Source PCB Are Damaged
Can be Repaired by FEBA

18. Source PCB Is Damaged
Can be Repaired by FEBA