About the famous 8-pin chip: There is a NE5534 from which your C8534me is probably a clone of. The NE5534 is a single-op; so it can be used as line driver for a mono audio signal. Why you get no sound is mysterious to me. May be the tuner has a mute feature. Steffen Nicola Sabbi wrote: > > TV out and sound card line in are connected by means of an external RCA > cable, when I said integrated I meant "sound chip integrated on the > motherboard" as is the latest trend. > > Anyway I looked with more attention at this famous 8 pin chip, which > reads: > C8534me > 9948 > > Thanks > Nico