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LCD TV Troubleshooting

The defective LCD TV may have the following common symptoms:
Symptom: No picture on screen but LCD TV still has sound.
Solutions: The problem is cause by defective inverter. Replacing ivnerter will solve hte problem.
Symptom: Screen flash on and off between 1/2 to a few seconds, but power indicate light stays on and TV still has sound.
Solutions: The problem is cause by defective inverter. 
Symptom: Blue Screen but no picture
Solutions: The problem is cause by defective Main Board(AD Board). In some cases, this problem may cause by the defective Screen Controller board. Thsi board is mounting on teh back of LCD TV Screen.
Symptom: Power light stays on but no display and sound
Solutions: The problem is cause by defective Main Board(AD Board) or Power supply board.
Symptom: No Power or Power indicate light does not lits
Solutions: The problem could cause either by defective Power supply board or defective Main Board(AD Board).
Symptom: Screen is half dim and half bright
Solutions: The problem is cause by defective LCD Panel.It needs to be replace.
Symptoms by the pictures:


LST01
No more guess works!
LST01 is a custom build tester for Laptop screen repair; it can help you to isolate the problem between CCFL Backlight Lamp and Inverter in seconds.
Save Time! Save money!
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LST04 - No setup time
Small and compact, easy to use, with build-in Color bar generator, you can test LCD screen size up to 60”
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IT01
IT01 is design to test multiple backlight lamps inverter; it is capable to test any type of inverter up to 6 lamps at the time!
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IT02
Stand alone Inverter tester!
The advantage of this custom build tester is that, you can apply any input voltage through DC Jack to test inverter from Laptop to LCD TV inverter.
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UB Series LED Backlight
UB series are the direct replacement for Industrial LCD screens that were originally equipped with dual or 4 CCFL backlight lamps.
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LCD Controller
These LCD Controller kits are designed to be easily integrated into the LCD screens that they are commonly used in kiosks, POS, avionics, Vending machine, Digital Signage and all other applications.
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45 Piece Screw Driver Set
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