Philips 40PFL7664H User Manual page 206

6.5 Sound
There is a picture but no sound
• Verify the volume is not set to 0.
• Verify the sound has not been muted with m.
• Verify that all cables are connected properly.
• If no sound signal is detected, the TV automatically
switches off the sound. This is proper operation and is not
a malfunction.
The sound is poor
• Verify that the sound is set to Stereo.
• Select any of the Smart settings in h > Setup > Smart
settings.
The sound comes from one speaker only
• Verify that the Balance is not set to extreme left or right.
Sound delay when a DVD Home Theatre System device is
connected
• Read the user manual of the DVD device to adjust the
audio sync delay. If you cannot set a delay, switch off HD
Natural Motion in h > Setup > Picture > Perfect Pixel HD.