The following methods can be used to query the function of the TV chip: You can buy it in the bookstore (chip parameter manual), which is the simplest and most direct way.
You can enter the chip model in the mobile phone browser to query the parameter function, there are many chips in this area of information is more comprehensive.
If you feel that the above methods are not good, you can install a (semi-conductive small core) software in the mobile phone, and query in this software.