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Thread Starter 
I have a Sony STR DE 595 Receiver and I am trying to figure out why it goes into protect mode when using its spdif coax port and its dolby digital / muti channel decode setting. The funny thing is that when using 2ch st mode + digital coax or any other audio landscape + RCA it doesn't go into protect mode even when the volume reaches its max. Any insight into why it shorts when decoding multi channel would be of great help.

Thanks in advance,