The sound bar has three inputs: RCA, 3.5mm, and optical.
The TV has these:
"Input/Output Connections: 2 x HDMI input (19 pin HDMI Type A) - Rear, 1 x Component video input (RCA phono x 5) - Rear, 1 x VGA input (15 pin HD D-Sub (HD-15)) - Rear, 1 x Composite video/audio input (RCA phono x 3) - Rear, 1 x Digital audio output (optical) - Rear, 1 x Audio input (Mini-phone stereo 3.5 mm), 1 x Antenna - Rear, 1 x USB (4 pin USB Type A) – Side"
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Should be able to run optical out from TV to optical in on sound bar.
Or RCA out from TV to 3.5mm audio in on sound bar.