{"product_id":"lg-ebt64533403-eax671462031-1-main-board-for-55uj6540-ub-busyljr","title":"LG EBT64533403 (EAX67146203(1.1)) Main Board for 55UJ6540-UB.BUSYLJR","description":"\u003cp\u003e\u003cstrong\u003eLG EBT64533403 \/ EAX67146203-1 Main Board\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eLocation:\u003c\/strong\u003e 00i5\u003c\/p\u003e\n\n\u003cp\u003eThis replacement main board is designed for LG 55\" LED TVs that use part number EBT64533403 (board model EAX67146203-1). It controls video processing, input handling, audio, system firmware, and overall TV operation — often needed when your TV powers on but displays no picture or has signal\/audio issues.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003ePart \u0026amp; Board Numbers\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e EBT64533403\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBoard \/ Printed Numbers (may appear on labeling):\u003c\/strong\u003e\n    \u003cul\u003e\n      \u003cli\u003eEAX67146203-1\u003c\/li\u003e\n      \u003cli\u003eB U S Y L J R (serial\/region code)\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eImportant: Always match the part number and board identifiers on your original board. Matching by TV model alone may not guarantee correct compatibility.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eCompatible TV Model\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLG 55UJ6540-UB (BUSYLJR region\/serial variant)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eOther LG models using the same board number may also be compatible — verify board number before ordering.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eCommon Failure Symptoms\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eTV powers on but shows a blank or black screen\u003c\/li\u003e\n  \u003cli\u003eNo HDMI or input detection despite correct source and connection\u003c\/li\u003e\n  \u003cli\u003eFreezing, reboot loops, or failure to boot fully\u003c\/li\u003e\n  \u003cli\u003eNo audio or distorted sound even with correct input and settings\u003c\/li\u003e\n  \u003cli\u003eRandom shutdowns or unexpected behavior after power on\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Issues may also stem from other components (power supply, panel, etc.) — proper diagnosis is recommended before ordering a replacement board.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Handling Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDisconnect the TV from power and wait several minutes before servicing to allow internal capacitors to discharge.\u003c\/li\u003e\n  \u003cli\u003eUse anti-static precautions when handling PCBs and internal components.\u003c\/li\u003e\n  \u003cli\u003eEnsure all ribbon cables and connectors are properly aligned and fully seated.\u003c\/li\u003e\n  \u003cli\u003eAvoid forcing any connectors or bending the board; handle with care to prevent damage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eCondition \u0026amp; Testing\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProfessionally inspected and tested for proper function.\u003c\/li\u003e\n  \u003cli\u003eGuaranteed working replacement board for the part numbers listed above.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWarranty \u0026amp; Returns\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 180-Day Warranty.\u003c\/li\u003e\n  \u003cli\u003eReturns accepted if the board is unmodified, undamaged, and properly installed.\u003c\/li\u003e\n  \u003cli\u003ePlease retain your original board until you verify successful repair.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eShipping\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eShips from Brighton, TN (your standard facility).\u003c\/li\u003e\n  \u003cli\u003eSecure packaging to protect the board during transit.\u003c\/li\u003e\n  \u003cli\u003eExpedited shipping available at checkout if selected.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003cp\u003eIf you are unsure whether this is the correct main board for your TV, please contact us — we’re happy to help verify compatibility before you order.\u003c\/p\u003e","brand":"Short Circuit Solution","offers":[{"title":"Default Title","offer_id":43806185816167,"sku":"EBT64533403","price":62.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0649\/8362\/9927\/files\/EBT64533403.png?v=1779867388","url":"https:\/\/www.nikkicasa.com\/products\/lg-ebt64533403-eax671462031-1-main-board-for-55uj6540-ub-busyljr","provider":"NIKKI CASA","version":"1.0","type":"link"}