LiftMaster 41AS050R1M: Difference between revisions
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{{InfoboxDevice | {{InfoboxDevice | ||
|Title = | |Title = LiftMaster 41AS050R1M Logic Board Unit | ||
|Picture = | |Picture =041AS050R1M front.jpg | ||
|Release Year = | |Release Year = 2000 | ||
|Mounting Technology = Through Hole, SMD | |Mounting Technology = Through Hole, SMD | ||
|Capacitor Types = Aluminum Electrolytic | |Capacitor Types = Aluminum Electrolytic | ||
|Leak Risk = Medium | |Leak Risk = Medium | ||
|Batteries = None | |Batteries = None | ||
Revision as of 04:59, 11 June 2023
| This device is in the WorkNeeded:General category because it was flagged as missing general information about the device. The information may be incomplete, using default text, or inaccurate and should be verified with external sources if possible. If you can add or correct information on this page, please feel free to edit it and do so. | 
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LiftMaster 41AS050R1M Logic Board Unit
| Preliminary Information | |
|---|---|
| Release Year | 2000 |
| Leak Risk | Medium |
| Batteries | None |
| Mounting Technology | Through Hole, SMD |
| Capacitor Types | Aluminum Electrolytic |
| Destructive Entry | No |
LiftMaster (Chamberlain) Garage Door Opener logic board.
Known Issues
Remote control does not work (or works intermittently)
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
Original Parts
Logic Board
14LG626B
| RefDes | Qty | Capacitance | Voltage | Mount | Diameter/Size | Height | Lead Spacing | Temp | Type | Brand | Series |
|---|---|---|---|---|---|---|---|---|---|---|---|
| C1 | 1 | 47 µF | 10 V | Through-hole | 5mm | 8mm | 3mm | 105 °C | Electrolytic | Leaguer | ST1 |
| C2,C4,C6 | 3 | 4.7 µF | 50 V | Through-hole | 6mm | 11mm | 3mm | 85 °C | Electrolytic | Leaguer | RCL |
| C3,C5 | 2 | 22 µF | 10 V | Through-hole | 5mm | 7mm | 3mm | 105 °C | Electrolytic | Leaguer | ST1 |
Power Supply (PSU) Board
14LG574V
| RefDes | Qty | Capacitance | Voltage | Mount | Diameter/Size | Height | Lead Spacing | Temp | Type | Brand | Series |
|---|---|---|---|---|---|---|---|---|---|---|---|
| C204 | 1 | 330 µF | 35 V | Through-hole | 10mm | 12mm | 5.5mm | 85 °C | Electrolytic | Leaguer | RS2 |
Replacement Parts
Basic PCB Name
| RefDes | Qty | Compatible Part Number | Order Links |
|---|---|---|---|
| Digikey |
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/