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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Autopsy on a failed 50W LED floodlight
Chinese no-name YXY-FGD-50W
White goo under the LED metal backing, only covering about 1/3 of the area, as originally placed blob , not fully splurged. Bowing of the metal at rear of the LED array , probably at original placement due to blob shape of the goo , only maybe worsened in use. So heatsinking via the periphery only , ie delayed heatsinking. |
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