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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


LST02



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