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IT02 - Stand alone LCD Screen Inverter tester

Now you can test LED backlight on LED (Laptop) screen with MS438EXT
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. For your convenience, IT02 comes with the 5 most common inverter wire harness( MS201CN, MS202CN, MS205CN, MS333CN and MS335CN), so you could test any type of inverter.
Price: $36.99 (Shipping is $3.00 by USPS first class mail)
DC Input Jack
It depends on what type of inverter you want to test. You can apply any DC voltage up to 24VDC to the input jack. The DC Jack accept a 5.5mm barrel plug. You can use AC Adapter that comes with LST01 or LST02
Wire Terminal
This is where you need to connect inverter wire harness to the terminal and other end goes into test inverter. Before connecting wires to the terminal, please following the procedure below:
Identify the part number of your inverter and go to “Inverter by Number?br /> First, located a correct inverter wire harness and pin assignment.
Second connect one end of wire harness to IT02 according to pin assignment on web.
Control Switch
On/Off - When the switch is press down, Input volateg is present on B+ Terminal
ENA - Push it down to turn on test inverter and push it again to turn off test inverter.
ADJ - ADJ is for testing dimming control. Push it down, you should see the brightness level change. It depends on the inverter, if it is a negativve control, then when switch is push down. The brightness is set to max. If it is a positive control, then, The brightness level is set to min.
IT02 comes with the following items
1 - MS201CN
1 - MS202CN
1 - MS205CN
1 - MS333CN
1 - MS335CN
Wire Terminal Definition
IT02 - Testing LED Backlight on LED (Laptop) Screen
Connect 6 pin to IT 02 (Use MS335CN Wire Harness)
Connect Other end od MS438EXT (40 pin) to LED Screen
Push down On/Off button, then Push down ENA button
LED backlight should light up.
If not, then LED backlight is defective.
MS438EXT is $22.99 ($3 for shipping), please click here to purchase it


Pin Number Definition
Laptop Inverter:
P1 is the first pin at the top of inverter as shown photo.
Desktop Inverter:
P1 is the first pin on the left side of connector as shown photo.
LCD TV Inverter:
P1 is the first pin on the left side of connector as shown photo.

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