LiftMaster 41AS050R1M

LiftMaster (Chamberlain) Garage Door Opener logic board.

"Logic Board" part is plastic housing/cover that has two PCBs attached to it.

LiftMaster 41AS050-1 is otherwise same except uses different plastic housing.

Causes

 * Cracked solder joints on connectors
 * Failed capacitor on power supply (PSU) board.

Solutions

 * Reflow connector solder joints
 * Replace capacitors

Disassembly Notes
Warnings or tips to disassemble the device

Logic Board
14LG626B

Power Supply (PSU) Board
14LG574V

Logic Board
14LG626B

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Kits

 * Digikey BOM: https://www.digikey.com/

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