A guy brought in three external hard drives, all three died on the same day. He claims that he just moved all the equipment downstairs to another room. Magic?
Anyway, two hard drives show no physical damage, they just won't start up or turn on. The third one is a Samsung HD103SI 1TB 3.5" model. There's some obvious damage to the PCB but I'm not sure what's what.
The large SMD components near the power connector that appear burnt have markings LG. 951. Not sure what they are. There's also a micro component on the right side of LG 951. The one on the left has similar markings ON 951 and 6V8A under that.
Google says that these are TVS diodes. Is there any way to test them? I'm hoping that I'd be able to repair the hard drive by replacing both diodes.
Thanks for any help you can provide
EDIT: I just tested both diodes with the multimeter (continuity test) and the one on the right that only says LG 951 beeps both ways. The one on the left doesn't beep at all.
Anyway, two hard drives show no physical damage, they just won't start up or turn on. The third one is a Samsung HD103SI 1TB 3.5" model. There's some obvious damage to the PCB but I'm not sure what's what.
The large SMD components near the power connector that appear burnt have markings LG. 951. Not sure what they are. There's also a micro component on the right side of LG 951. The one on the left has similar markings ON 951 and 6V8A under that.
Google says that these are TVS diodes. Is there any way to test them? I'm hoping that I'd be able to repair the hard drive by replacing both diodes.
Thanks for any help you can provide
EDIT: I just tested both diodes with the multimeter (continuity test) and the one on the right that only says LG 951 beeps both ways. The one on the left doesn't beep at all.
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