How do i chance the file?Please also try to change from MPEGTS (TS) to HLS (m3u8). Or from HLS to MPEGTS.
If that doesn't help, it might be that your TV's cache cannot handle big m3u files. In this case, you can also try to reduce the size of your m3u file while you manage your BOUQUET list and remove country groups you doesn't need.
Try this out, hope that helps you out