Best And Fastest Lcd Tv Repair Guide!
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Liquid Crystal Displays
The Power Supply Board
The Inverter Board
The Main Board
The Controller/T-Con Board
The LCD Driver Board
The Standby Circuit
The Liquid Crystal Display In Depth
Understanding and Testing Resistors
Understanding and Testing Capacitors
Understanding and Testing Inductors
Understanding and Testing Transistors
Understanding and Testing Diodes
Understanding and Testing Bridge Rectifiers
Understanding and Testing LEDs
Understanding and Testing Switching Transformers
Understanding and Testing Opto-Isolators
Understanding and Testing Voltage Regulators
Understanding and Testing Switches
Understanding and Testing Fuses
Some Testing Tips
How To Disassemble An LCD TV
Voltage Test Points
The Tap Test
Freeze Spray and Hair Dryers
PSU (Power Supply Unit) Failures
Inverter Board Failures
Main Board Failures
Screen Flashes Then TV Shuts Down
No Back light
Lines In Picture
LCD TV Repair Case Histories
Set had vertical colored lines and no OSD.
Takes some time to power on and when it is on there are red dots throughout the picture.
Unit cycles on and off for minutes before coming on.
No power, Power LED turns blue to amber then off, may be intermittent.
No power, fuse blown.
No back light.
No power, no standby LED.
Power LED lights but set does not come on.
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