Ojalá encuentres la manera, por si sirve de algo en un manual de TV TCL con chip Novatek dice lo siguiente:
1.3. UART & IR Parser
To use both UART and/or IR parser, TV has to be set in Factory mode with its USB port well connected to suitable
UART device or an IR emitter device correctly facing up TV (see below “Product Assembly - section 2.0” how to
activate “Factory key”).
The UART parser engine is enabled by sending following command “0xE2” from host to TV within following presets
115200/8/n/1.
Once initialized, “PS” caption is toggle displayed on bottom left screen (“S” like Serial).
To communicate with TV depending on SIACP revision layout implementation, you need to fulfill UART/IR
commands protocol and format described on enclosed SIACP requirements document (rev. v3.9).
1.3. UART & IR Parser
To use both UART and/or IR parser, TV has to be set in Factory mode with its USB port well connected to suitable
UART device or an IR emitter device correctly facing up TV (see below “Product Assembly - section 2.0” how to
activate “Factory key”).
The UART parser engine is enabled by sending following command “0xE2” from host to TV within following presets
115200/8/n/1.
Once initialized, “PS” caption is toggle displayed on bottom left screen (“S” like Serial).
To communicate with TV depending on SIACP revision layout implementation, you need to fulfill UART/IR
commands protocol and format described on enclosed SIACP requirements document (rev. v3.9).