I'm having problems with PBS HD on Galaxy 14 (AMC 21). I get sound but no picture and the signal quality is is good. I have a Fortec Mercury II receiver and it's connected to a HD TV with component cables. Audio is optical connected to an amplifier to decode AC3. I get Montana PBS, PBS World and Create but no picture with the HD PBS 1,2 or 3. Any ideas or help would be appreciated.
Thanks
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