GE 09GP344 - Troubleshooting: Picture and Signal Issues; No Picture or Sound with Power On; Poor Picture Quality and Signal Problems

No picture, no sound, but power is on
• Maybe cable/air function is in wrong position. Try another channel.
• Maybe a vacant channel is tuned. Try another channel.
Sound okay, picture poor
• Check antenna connections.
• Try adjusting sharpness function to improve weak signals.
17