Forum: Equipment Usage, Soldering, Techniques, and Reviews
04-28-2022, 02:28 PM
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Replies: 16
Views: 2,313
Re: Backlight Tester procurement
The difficult part is LED's going intermittent. Blinking and cutting out - this is due to heating causing expansion and an open-circuit (in the cracked die, or bonding wires, or substrate glue) after...
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Forum: Equipment Usage, Soldering, Techniques, and Reviews
04-27-2022, 11:33 AM
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Replies: 16
Views: 2,313
Re: Backlight Tester procurement
I'm seeing where 1/4 of the backlight LED's are damaged, what happens is a cascade failure where one LED goes open/blinking and the PSU overdrives the other strips and damages those LEDs.
So you...
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