Sony KDL-20S4000 Operating Instructions Manual page 32

Sound
Problem
No sound, but good picture
Noisy sound
Channels
Problem
The desired channel cannot be
selected
Some channels are blank
Digital channel is not displayed
General
Problem
The TV turns off automatically
(the TV enters standby mode)
The TV turns on automatically
Some input sources cannot be
selected
The remote does not function
32
GB
Cause/Remedy
• Press 2 +/– or % (Mute).
• Check that "TV Speakers" is set to "On" in the "Sound Adjustment" menu
(page 20).
• See the "Picture noise" causes/remedies on page 31.
Cause/Remedy
• Switch between digital and analogue mode and select the desired digital/
analogue channel.
• Scrambled/Subscription only channel. Subscribe to the Pay Per View
service.
• Channel is used only for data (no picture or sound).
• Contact the broadcaster for transmission details.
• Check that the aerial is plugged directly into the TV (not through other
equipment).
• Contact a local installer to find out if digital transmissions are provided in
your area.
• Upgrade to a higher gain aerial.
Cause/Remedy
• Check if the "Sleep Timer" is activated, or confirm the setting of "Off
Time" (page 22).
• If no signal is received and no operation is performed in the TV mode for
10 minutes, the TV automatically switches to standby mode.
• Check if the "On Time" is activated (page 22).
• Select "AV Preset" in the "Set-up" menu and cancel "Skip" of the input
source (page 23).
• Replace the batteries.