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 If parts are not available or different selection is preferred, you can use the values in the Original Parts section to perform a parametric search.

Kits

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

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