Brother 14LG549A Circuit Board

Brother 14LG549A is the logic control board used in LiftMaster/Chamberlain garage‑door openers. Common failures include burned or cracked surface‑mount components (especially the main microcontroller and power ICs), degraded electrolytic capacitors, and stuck relays that prevent motor drive signals. The board may also exhibit intermittent operation due to loose solder joints or a failing voltage regulator. First‑check diagnostics: verify 12 V input at the board’s power connector, inspect for visible burn marks or corrosion on key components, and test relay contacts and output driver pins with a multimeter before proceeding to component replacement.[oss-gpt-20b]

Need your Brother repaired or tested?

We specialize in the repair and refurbishment of high-end industrial control electronics and power systems like this unit.

📞 Call Now: 1 (336) 969-0110

Free Estimates • Industrial-grade testing • Nationwide Service

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We reclaim and repair GPUs and industrial AI hardware (cards, PSUs, fan modules, VRM boards). Free estimate — you only pay return shipping if you decline.

📞 Call: 1 (336) 969-0110 ✍️ Start Free Diagnostic

Free Estimates • Industrial-grade testing • 1-Year Warranty • Nationwide Service


Other Repaired Units by Brother

Brother 14LG549A Circuit Board
Brother BE-1204-BC Power Unit
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Brother B438008-2 Circuit Board
Brother B439 Circuit Board
Brother B439 Circuit Board

Contact Us

🚑Shop Location🛠️

Industrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
🚑 Rush repair shipments only — no walk-ins.

📞Phone

1-336-969-0110

📦Mailing Address🚛

Industrial Electronic Repair
931-E S. Main St #204
Kernersville, NC 27284
📦 Mailing Address (for invoices or shipped repairs)
No walk-ins accepted.