30 Days of Night TrueHD problem

[TrojanGuy]

Folks,
My first post here, and I need some help. I have a Samsung BDP-1400, firmware fully updated. I also have an older (1997) Yamaha DD/DTS receiver with the 5.1 analog "external decoder" inputs, so I ran wonderously expensive cables from the analog outputs of the BDP-1400 to the Yamaha receiver.

When I run 30 Days of Night via the External Decoder inputs, thereby allowing the Samsung to decode the Dolby TrueHD lossless audio track, I lose dialogue at the scene at the garbage plant (where they find the headsets from the helicopter). Anyone have thoughts on why this happens? I have full lossless right up to that point. Happens each and every time I reboot. It is misery having to switch to the DD track after hearing the movie in lossless audio. I agree with the reviewer that the ambient sound is sensational, maybe the best I have ever heard.

Thanks much to anyone with a suggestion. TG