Philips 3355 color correction problem


I have a philips 3355 recorder and i have problem with color correction and brightness on my TV. On TV when playing a DVD or watching tuner on the recorder I can not increase or decrease color correction or brightness. The picture is without any change. Have anybody th same problem? My wifes father have the same problem but i dont know if have we bad cable or where is the problem

thank you for your answers and sorry for my english :slight_smile: