larry, first try to reset your TV. Disconnect it from AC power, then press and hold the power button on the TV, and not the remote, for 10 seconds. After another minute, plug the set back in and press power once. Then try the other sound out from your TV to a set of speakers etc. If that works, you know that your internal speakers are not working. If it does, it is most likely that the audio IC that drives the internal speakers has failed. It is common in these sets as they use inexpensive low powered amplifier IC's that heat up and fail. You can try to replace the IC, if you have the right tools and experience, or replace the mainboard, part number 1AA4B10N260A0. The IC itself is LV4906 and the mainboard is available at places [http://www.shopjimmy.com/sanyo-1aa4b10n260a0-j4je-digital-main.htm|like this]. Hope this helps, good luck.