Hi demeo,
Guess Jordan is right - he usually is. But as a thought, a Scart input with a DVD or FTV box usually auto-selects where any sound would be present, narrowing the problem down to the T-Con, or maybe even the screen. Mind you, haven't yet had a screen problem with this set.
Should you need a T-Con - think I have one from a screen smash, but check fuse first, as they pop for no reason at all - Chris.