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8 Troubleshooting
Warning
• Risk of electric shock. Never remove the casing of the
product.
To keep the warranty valid, never try to repair
the product yourself.
If you have problems using this product, check
the following points before you request service.
If you still have a problem, get support at www.
philips.com/support.
Main unit
The buttons on the home theater do not
work.
• Disconnect the home theater from the
power supply for a few minutes, then
reconnect.
• Make sure that the touch buttons surface
is not in contact with any conductive
material, like water drop, metal, etc.
Picture
No picture.
• Make sure that the TV is switched to the
correct source for the home theater.
No picture on a TV connected through HDMI.
• Make sure that you use a High Speed
HDMI cable to connect the home theater
and TV. Some Standard HDMI cables do
not display properly for some images, 3D
video, or Deep Color.
• Make sure that the HDMI cable is not
faulty. If it is faulty, replace it with a new
cable.
• Press (Home) and then 731 on the
remote control to restore the default
picture resolution.
• Change the HDMI video setting, or wait
for 10 seconds for auto recovery (see
'Picture and video settings' on page 40).
Discdoesnotplayhigh-denitionvideo.
• Make sure that the disc contains high-
denition video.
• Make sure that the TV supports high-
denition video.
• Use an HDMI cable to connect to the TV.
Sound
No sound from home theater speakers.
• Connect the audio cable from your home
theater to your TV or other devices.
However, you do not need a separate
audio connection when:
• the home theater and TV are
connected through an HDMI ARC
connection, or
• a device is connected to the HDMI IN
connector on your home theater.
• Set up the audio for the connected device
(see 'Set up the audio' on page 26).
• Reset your home theater to its factory
settings (see 'Restore default settings' on
page 41), and then switch it off and switch
on again.
• On your home theater, press SOURCE
repeatedly to select the correct audio
input.
Distorted sound or echo.
• If you play audio from the TV through the
home theater, make sure that the TV is
muted.
Audio and video are not synchronized.
• 1) Press . 2) Press the Navigation
buttons (left/right) to select AUD
SYNC, and then press OK. 3) Press
the Navigation buttons (up/down) to
synchronize the audio with the video.