{"product_id":"antminer-s19kpro-c76-a113d-control-board","title":"Antminer S19K Pro C76 A113D Brand new Control Board","description":"\u003ch2\u003eAntminer S19K Pro C76 A113D Control Board | Brand-New Replacement Motherboard for S19K Pro Miner Repair\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAntminer S19K Pro C76 A113D control board\u003c\/strong\u003e is the \u003cstrong\u003ebrand-new replacement\u003c\/strong\u003e for the original S19K Pro motherboard. Drops in cleanly when the original board fails — common failure modes include a dead Ethernet PHY, a dead Amlogic SoC after a power-event, a corrupted EEPROM that no longer programs, or visible damage after a PSU fault that took the control board down with it.\u003c\/p\u003e\n\u003cp\u003eThis is the \u003cstrong\u003eCtrl C76 revision\u003c\/strong\u003e built around the \u003cstrong\u003eAmlogic A113D main control chip\u003c\/strong\u003e. Identifiable by \u003cstrong\u003etwo 1*4p fan headers + two 2*2p headers\u003c\/strong\u003e — different from the S19j \/ S19j Pro \/ S19j Pro+ control boards, which use the same C76 generation but a different fan-header configuration. Match the existing board's fan headers exactly before ordering.\u003c\/p\u003e\n\u003ch3\u003eFan Header Compatibility Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOriginal fan connectors match the new control board headers\u003c\/strong\u003e — plug in directly, no adapter needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFan connectors are 1×4P\u003c\/strong\u003e — use two Antminer fan adapter cables to bridge to the 14P \/ 22P headers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFan connectors are 2×2P\u003c\/strong\u003e — same workaround, two fan adapter cables for proper pairing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlways confirm the cabling before powering on\u003c\/strong\u003e — wrong-pin alignment will damage the fans, the control board, or both.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eS19K Pro C76 A113D Control Board Specifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Board Model\u003c\/td\u003e\n\u003ctd\u003eS19K Pro Ctrl C76\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMain Control Chip\u003c\/td\u003e\n\u003ctd\u003eAmlogic A113D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan Headers\u003c\/td\u003e\n\u003ctd\u003eTwo 1*4P + two 2*2P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Interface\u003c\/td\u003e\n\u003ctd\u003eMicro-USB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Miner\u003c\/td\u003e\n\u003ctd\u003eAntminer S19K Pro\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNot Compatible With\u003c\/td\u003e\n\u003ctd\u003eS19j \/ S19j Pro \/ S19j Pro+ (different fan-header layout)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eDirect replacement \/ drop-in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostic Interface\u003c\/td\u003e\n\u003ctd\u003eMicro-USB for serial console \/ firmware flash\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eBrand New\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003c\/h3\u003e\n\u003ch3\u003eFAQ — S19K Pro C76 Control Board\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I know the control board is the failed part vs the hashboards or PSU?\u003c\/strong\u003e\u003cbr\u003eA: Symptom triage: PSU outputs healthy 12V → confirms PSU. All three hashboards test green on a hashboard tester → confirms hashboards. Control board still won't respond on Ethernet or serial console → confirms control board. The C76 sometimes also shows visible burn marks on the Amlogic A113D after a power event.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will my existing firmware re-flash onto the new board?\u003c\/strong\u003e\u003cbr\u003eA: Yes — the C76 A113D control board accepts the standard S19K Pro firmware image. After install, connect via Ethernet, run a fresh firmware flash through the web UI, or load via micro-USB serial recovery if Ethernet doesn't respond.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: My fan connectors are 1×4P — what do I order with the board?\u003c\/strong\u003e\u003cbr\u003eA: Two Antminer fan adapter cables — 4P to the C76's 1*4P \/ 2*2P pinout. Standard accessory for S19K Pro maintenance. Match cable lengths to your chassis routing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Bulk pricing for repair benches?\u003c\/strong\u003e\u003cbr\u003eA: Yes — email contact@lys-sz.com for tray-quantity S19K Pro control board pricing.\u003c\/p\u003e\n\u003ch3\u003eRelated products\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/low-power-yt8512c-ethernet-phy-chip-antminer-s19jpro-c76-control-board-repair\"\u003eYT8512C Ethernet PHY (C76 control board)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/antminer-s19k-pro-hashboard-psu-connection-high-conductivity-copper-sheet\"\u003eAntminer S19K Pro Hashboard \/ PSU Copper Strip\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/antminer-s19kpro-water-cooling-plate-upgrade-kit-hydro-mining\"\u003eAntminer S19K Pro Water Cooling Plate Upgrade Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/max809reur-microprocessor-monitoring-circuit-antminer-s19kpro\"\u003eMAX809REUR+T Microprocessor Monitor (S19K Pro C76)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAntminer S19K Pro repair benches stocking C76 control boards by the tray? Email \u003ca href=\"mailto:contact@lys-sz.com\"\u003econtact@lys-sz.com\u003c\/a\u003e for bulk pricing. Worldwide shipping from our Shenzhen warehouse.\u003c\/p\u003e","brand":"LYS Shenzhen","offers":[{"title":"Default Title","offer_id":42887578026163,"sku":null,"price":25.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/6710\/4179\/files\/Antminer-S19K-Pro-C76-A113D-Control-Board-Reliable-Replacement-Faulty-Control-Boards.webp?v=1744866022","url":"https:\/\/lys-sz.com\/products\/antminer-s19kpro-c76-a113d-control-board","provider":"LYS Shenzhen","version":"1.0","type":"link"}