I purchased a DLV-300 LED Backlight Tester a short time ago and tried it on a couple of led strips and it seemed to work fine. It would start at 300v and when testing the led's, it would adjust to the voltage needed to light them.
I then went to use it while diagnosing problems with a tv set I have and at first the tester worked properly and lit up the first led strip and then lit up half of the second strip. But when I proceeded to find which leds were bad I noticed the tester wasn't working right. It only reads 17v then slowly goes up to 20v max. Does anyone have experience with these testers or have have any ideas what could have happened to it?
Thanks
I then went to use it while diagnosing problems with a tv set I have and at first the tester worked properly and lit up the first led strip and then lit up half of the second strip. But when I proceeded to find which leds were bad I noticed the tester wasn't working right. It only reads 17v then slowly goes up to 20v max. Does anyone have experience with these testers or have have any ideas what could have happened to it?
Thanks
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