. Also, your saying that you have receiver optical out to TV optical in? Your TV doesn't have an optical in that I can find. I think you've got it hooked up different than what you're telling us.
Specs from site:
Model Type Plasma
Series S14
Model Year 2009
VIDEO .
Screen Size 50" Class (49.9" diagonal)
Contrast Ratio Dynamic: Infinite Black/Over 2,000,000:1
Native: 30,000:1
Aspect Ratio 16:9
Native Resolution (Number of Pixels) 2,073,600 (1,920 x 1,080)
Pixel Pitch (H x V) 0.576 x 0.576 mm
Moving Picture Resolution 900 lines or more
Shades of Gradation 5,120 equivalent
HDTV Display Capability (1080p, 1080i, 720p) Yes
EDTV Display Capability (480p) Yes
Aspect Control Normal, Zoom, Full, Just, H-fill for TV/AV modes
4:3, Full for PC mode
Panel G12 Progressive 1080p HD Plasma Display Panel
Screen Coating (Filter) New AR (Anti-Reflective) Filter
Progressive Scan Yes
24p Cinematic Playback No
24p Playback(2:3) Yes
Digital Cinema Color No
Deep Color Yes
x.v.Color No
THX Mode No
Motion Adaptive 3D Y/C Digital Comb Filter Yes
3D Color Management No
Sub Pixel Control No
Motion Pattern Noise Reduction Yes
AUDIO .
Speakers Full-range x 2 (L, R)
Number of Speakers 2
Audio Output 20 W ( 10% THD )
(6 ohms, 150 Hz - 16 kHz)
BBE® VIVA HD3D Sound No
Surround Sound Yes
INPUTS & JACKS .
Integrated ATSC Tuner Yes
VIERA Image Viewer™ Y (JPEG playback)
HDMI Input 3 (1 side)
Analog Audio Input (for HDMI) Yes
Composite Video Input 2 (1 side)
S-Video Input 1
Audio Input (for Video) 2 (1 side)
PC Input Mini D-sub 15-pin x 1 (side)
Component Video Inputs (Y, PB, PR) 2
Audio Input (for Component Video) 2
RS232C No
Analog Audio Output No
Digital Audio Output 1
CONVENIENCE .
VIERA Link™ Yes
VIERA® Tools Yes
Game Mode No
Pixel Orbiter (Anti-Image Retention) Yes
Menu Languages English/Spanish/French
V-Chip Program Lockout Yes
Built-In Closed Caption Decoder Yes
Timers Yes
Video Input Label Yes
Video Picture Memory Yes
Remote Control IR
GENERAL .
Power Supply AC 120 V, 60Hz
Rated Power Consumption 584 W
Standby Power Consumption 0.3 W
On Mode Average Power Consumption 269 W
Energy Star Yes
Receiving System ATSC/QAM/NTSC
Operating Temperature 32°F - 104°F (0°C - 40°C)
Safety Standard UL6500/C-UL
Optional Wall-mounting Bracket TY-WK4P1RW
Dimensions (H x W x D) with Stand 32.4" x 48.0" x 15.3"
Dimensions (H x W x D) without Stand 30.3" x 48.0" x 15.3"
Weight (lbs.) w/Stand 75.0 lbs
Weight (lbs.) without Stand 72.8 lbs
Carton Dimensions 34.6" x 53.0" x 11.2"
Gross Weight [lbs (kg)] 90.4 lbs. (41.0 kg)
600 Hz Sub-field Drive Yes
Trilingual Menu English/Spanish/Frenc
My statement should have said: TV optical out to receivers optical in. Not the other way around. Sorry for the confusion, but yes the TV does have optical audio.