Answer to "No sound coming out from the AV receiver"Hi. I m from Chennai. I have Onkyo HTR 670 av Receiver. I did not use it for about 5 years n was packed n kept inside a box. I removed n connected n there was no sound coming but videobis ok. I checked locally n the guy said that the HDMI board is gone. Can somebody suggest where I can get this HDMI board for the Onkyo AV receiver HTR 670 please?