Support / FAQFAQSound - NoneWhy is there no sound coming from the TV?Make sure the volume is up and MUTE is off.Check that the correct SAP (Secondary Audio Program) is selected bypressing the SAP button on the remote control.If the TV is connected to a Panasonic Home Theater via HDMI cable, thencheck VIERA Link controls.If the TV is connected to a Home Theater via optical cable, then: Check theconnection, the audio system is on, the correct input is selected.Check HDMI in analog/digital audio settings.Why is there no sound coming from the TV?Why is there no sound coming from the TV?Why is there no sound coming from the TV?Make sure the volume is up and MUTE is off.Check that the correct SAP (Secondary Audio Program) is selected bypressing the SAP button on the remote control.If the TV is connected to a Panasonic Home Theater via HDMI cable, thencheck VIERA Link controls.If the TV is connected to a Home Theater via optical cable, then: Check theconnection, the audio system is on, the correct input is selected.Check HDMI in analog/digital audio settings.Make sure the volume is up and MUTE is off.MUTEMUTECheck that the correct SAP (Secondary Audio Program) is selected bypressing the SAP button on the remote control.SAPSAPSAPSAPIf the TV is connected to a Panasonic Home Theater via HDMI cable, thencheck VIERA Link controls.If the TV is connected to a Home Theater via optical cable, then: Check theconnection, the audio system is on, the correct input is selected.Check HDMI in analog/digital audio settings.HDMI inHDMI in177 (0700205)