Enter Menu and program the channels and with the cable signal and see if it improves but it does is the Eprom
Good day,
1.- The TV is Rania Model 42D10F
2.- Last night to check if I had video for another post as indicated by billy58
3.- put in PC mode and connect the laptop through the DB9 port and I connected I could see the TV signal from the laptop, that is to say project
4.- Disconnect the laptop and return to TV mode
5.- Program the channels automatically with the cable signal
6.- Surprise I resume their programming. Coming back to see normally ...
7.- Thank you all for your interest in supporting me.
8.- Any news I tell you.
9.- Greetings from Barquisimeto-Venezuela