How to use KT4H LED tester for TV backlight repair
Channel: YEKMLCO
Date: 2020-01-13

Aliexpress:  https://yekmlco.aliexpress.com
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$22-1：AQBUDBQ96BUL
$40-2：CMVQA89QPPCI
$68-3：ETILOAPHX63D
Amazon：http://bit.ly/yekmlco_ledtester

Our factory can provide OEM and ODM. Please contact：
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This is an upgraded version of the multi-function tester for LED backlight and constant current driver board-KT4H. There are multiple tests i can run using of this device.  
•Real-time testing voltage and current of constant current drive board. •Testing LED strips, LED panels, single LED bead, COB lighting sources, backlight of LED TV, displays, computers and so on.
•Testing voltage parameter of various of electronic components;Testing LED light on vehicle. 
•No burn out when testing single LED bead with wrong polarity. (Set voltage around to 20V and the current switch to 1mA) 
•Compatible with all the LED strips (high voltage or low voltage). Manual adjusting the range of testing voltage (20-330V/DC) and current (20-150mA).