http://www.avsforum.com/forum/209-audio-gear/1564177-sherwood-newcastle-r-945-5-1-channel-receiver.html shows it has an optical input so rather than repeat all that has been written about such setups, just connect your stuff to the TV and see what you can get out of the optical.
Remember I have deferred to the thousands of prior posts about TVs and more than stereo output when the input is HDMI and didn't duplicate how some TVs pass nothing if the input is more than stereo.
Tell all and folk may fill in some blanks.

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