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Hello, Can you please postback with the Make and Model of the surround system?
The reason I ask- is the Sanyo set uses Optical audio out for it's "Audio Out" port. In order to connect this to a surround sound system- the surround must use Optical as well for it's Input. If you don't have this connection, then a converter must be used (below at the link):
You'd then run an optical cable from the TV to the converter, and then can use RCA red and white audio cables to run from the converter to the surround sound system.
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