DEXP, Telefunken, Supra, Harper, Hyundai, and Yasin.
Chassis TP.MS3663T.PB751
It typically runs on a Mstar MSD3663LSA processor with a 25Q64 SPI Flash chip.
Often hosts free firmware downloads for various MS3663T configurations.
A goldmine for service manuals and flash dumps for this exact chassis.
While the board can support up to 1080p, many 32-inch models use the 1366x768 HD resolution you're looking for. 🛠️ Where to Download the Firmware