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.
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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
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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
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Sample photo of defective CCFL when test with LST02 |
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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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LST02
It has all LST01’s features, plus a built–in LCD Controller
that equips with our proprietary driver. It allows you to apply any
test pattern through VGA input and test all types of specification on the LCD
and LED Screen. In addition, a custom design Inverter allows you
to test any given number of CCFL back light lamp up to 4 at the time. |
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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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