Some Channels Are Blank; Poor Reception Or Poor Picture Quality With Digital Broadcasts - Sony Bravia KD-49XF9005 Help Manual

Help Guide
Check the [Manual programme preset] settings.
Press the HOME button, then select [Settings] — [Channel setup] — [Analogue setup]
— [Manual programme preset].
Perform [AFT] to obtain better picture and sound reception. (Option name differs depending on
your region/country.)
Set [Audio filter] to [Off], [Low] or [High] to improve sound for analogue reception.
Set [LNA] to [Off] to improve picture reception. ([LNA] may not be available depending on the
situation/region/country.)
Make sure that the antenna (aerial) is connected using a high quality 75-ohm coaxial
cable.
Keep the antenna (aerial) cable away from other connecting cables.
Related topics
Check these things first to troubleshoot your TV reception.
[136] Troubleshooting | Broadcast reception

Some channels are blank.

The channel is for scrambled/subscription service only. Subscribe to a pay TV service.
The channel is used only for data (no picture or sound).
Contact the broadcaster for transmission details.
Related topics
Check these things first to troubleshoot your TV reception.
[137] Troubleshooting | Broadcast reception
Poor reception or poor picture quality with digital
broadcasts.
Change the position, direction and angle of the terrestrial television antenna (aerial) to
maximise the antenna (aerial) signal level. Make sure that the direction of the antenna
118 z 147