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LST02 - How to test CCFL Back Light Lamp

Step1: Connecting CCFL lamp to LST02.
You can test CCFL back light up to four Lamps at a time. LST02 comes with a custom design inverter that allows you to test any given number of CCFL back light lamp up to four at the time. However, you may need to use a wire adapter (Part# MS194EXT or MS196EXT) on some back light lamps.
Step2: Apply VGA single to LST02.
You MUST apply VGA analog signal to LST02 since it has a built-in Controller, otherwise, LST02 will shut it off in few seconds.

Step3: Connect 12V Adapter

Step4: Push On/Off button to turn on LST02
The defective CCFL back light lamp usually has the following symptoms:
  • CCFL Lamp lights up in a reddish or pinkish color, but gradually becomes normal
  • CCFL Lamp lights up half bright and half dim
Sample photo of defective CCFL when test with LST02


TST01 – custom build for testing 4 wires, 5 wires and 8 wires resistive touch screen.
LCD screen tester (for testing eDP/embedded Display Port interface). With its built-in Color bar generator, it can test resolution from 1280X800 to 3840X2160.
Testing LED Strip without Disassembly. IT03 can test all LED strips from a smaller industrial screen and up to 70 inch TV screen.
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!
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”
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!
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.
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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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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