{"product_id":"onn-m23115-mt-515c90104m12-main-board-for-100012585","title":"ONN M23115-MT 515C90104M12 Main Board for 100012585","description":"\u003cp\u003e\u003cstrong\u003eONN M23115-MT \/ 515C90104M12 Main Board\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLocation:\u003c\/strong\u003e 00i5\u003c\/p\u003e\n\u003cp\u003eThis replacement main board is compatible with ONN TVs using model number 100012585. It controls video processing, input\/output switching, audio output, and system logic — essential for TVs that power on but produce no picture, show signal issues, or otherwise fail to function correctly.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003ePart \u0026amp; Board Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e M23115-MT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Board Number:\u003c\/strong\u003e 515C90104M12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOther \/ Variant Board IDs (as labeled on board):\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eMT90104-ZC01-01\u003c\/li\u003e\n\u003cli\u003e“M12” or similar revision code\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eImportant: Always confirm your board’s part number exactly from the sticker or silkscreen before ordering. Matching solely by TV model can result in incompatibility.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eCompatible TV Model\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eONN 100012585\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhile this board is specified for the model above, other sets using the same board configuration may also be compatible — always verify the board number first.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eCommon Failure Symptoms a Defective Main Board May Cause\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTV powers on but screen remains blank or black\u003c\/li\u003e\n\u003cli\u003eNo input detection or signal, even when cables and source are confirmed good\u003c\/li\u003e\n\u003cli\u003eFreezing, reboot loops, or complete failure to boot\u003c\/li\u003e\n\u003cli\u003eNo audio output or distorted audio with valid input\u003c\/li\u003e\n\u003cli\u003eLoss of menu, settings, or smart-TV functionality (if applicable)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eThese symptoms can also stem from other failing components (power supply, T-Con board, panel, etc.), so proper troubleshooting is recommended before replacing the main board.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eInstallation \u0026amp; Handling Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePower off and unplug the TV, then wait several minutes to allow capacitors to discharge before starting any repair.\u003c\/li\u003e\n\u003cli\u003eUse anti-static (ESD-safe) precautions when handling circuit boards or internal components.\u003c\/li\u003e\n\u003cli\u003eEnsure all ribbon cables, harnesses, and connectors are properly aligned and fully seated when reinstalling.\u003c\/li\u003e\n\u003cli\u003eAvoid bending the board or forcing connectors; gentle handling and correct alignment are crucial.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eCondition \u0026amp; Testing\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProfessionally tested and verified to be fully functional.\u003c\/li\u003e\n\u003cli\u003eGuaranteed as a working replacement for the listed part and board numbers when installed correctly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eWarranty \u0026amp; Return Terms\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 for boards that are unmodified, undamaged, and properly installed.\u003c\/li\u003e\n\u003cli\u003eWe recommend holding onto your original board until you confirm successful repair.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eShipping Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eShips from Brighton, TN (standard warehouse location).\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\u003chr\u003e\n\u003cp\u003eIf you are unsure whether this board is the correct replacement for your TV — or need help verifying compatibility — please contact us prior to ordering. We’re happy to assist in confirming your board number and model version.\u003c\/p\u003e","brand":"Short Circuit Solution","offers":[{"title":"Default Title","offer_id":43806184898663,"sku":"M23115-MT","price":26.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0649\/8362\/9927\/files\/M23115-MT.png?v=1779867379","url":"https:\/\/www.nikkicasa.com\/products\/onn-m23115-mt-515c90104m12-main-board-for-100012585","provider":"NIKKI CASA","version":"1.0","type":"link"}