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.
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 Download CV338H A42 1366x768 SamsungIR part3 rar
Format a USB flash drive (8GB or less is recommended) to FAT32 . If the TV hangs on the "Smart TV"
If the picture appears upside down after flashing, you may need to enter the Service Menu (usually Source/Input + 2580 or Menu + 1147 ) and toggle the "Mirror" or "Flip" setting. Board Specifications & Identification Format a USB flash
Once the flashing stops or the TV restarts, the process is complete. Common Issues