Plug the TV back into the power outlet while continuing to hold the Power button.
If you have the full extracted firmware, follow these steps to update your board: Download CV338H A42 1366x768 SamsungIR part3 rar
When dealing with the smart motherboard—especially for a specific 1366x768 panel using Samsung IR codes—finding the correct firmware is crucial for restoring your TV's functionality. This particular "part3.rar" file is typically one segment of a multi-part compressed archive containing the full eMMC dump or USB update software. Board Specifications & Identification Plug the TV back into the power outlet
Press and hold the on the TV panel (not the remote). Board Specifications & Identification Press and hold the
Firmware files for these boards are often large (over 300MB) and are split into multiple parts (part1, part2, part3) by technicians on repair forums like Televid-Sib to meet upload limits.
Format a USB flash drive (8GB or less is recommended) to FAT32 .
If the TV hangs on the "Smart TV" logo, a full eMMC dump (often found in these .rar files) is usually required via a programmer like the RT809H.
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