I have this for about 2 years, since yesterday, i have trouble getting any voice coming out from receiver. It is connected to PAnasonic projector with Danaon BD player. I try to up grade firm ware but the network option will not turn gray. All speaker connection are good. Internated connection will work for Danon DVD player. I try to play some music from USB flash drive, I can not playe it, either through the receiver or through the DVD player. I do not know what is wrong.
Thanks, every one who can help.