No Sound Is Output From The Speaker System - Sony HT-A9 Help Manual

Help Guide
Home Theatre System
HT-A9

No sound is output from the speaker system.

Check that the AC power cords (mains leads) of the control box and speakers are connected securely.
If the power indicator of the speaker is turned off, try the following.
Check that the AC power cord (mains lead) of the speaker is connected securely.
Press (power) on the bottom of the speaker to turn on the speaker.
If the power indicator on the speaker flashes slowly in green or lights in red, try the following.
Move the speaker to a location near the control box so that the power indicator on the speaker lights in green.
Connect the speaker and control box manually.
Check the status of the wireless connection in
Speaker Settings] - [Check wireless connection].
It may take about 1 minute until the sound is output if
[Wireless Speaker Settings] - [RF Channel] is switched from [Off] to [On].
Press (volume) + on the remote control to increase the volume or cancel muting.
The speakers may be connected to another compatible device. Try manual connection.
Related Topic
If the Speakers Are not Connected Correctly
[Setup] - [Advanced Settings] - [Speaker Settings] - [Wireless
[Setup] - [Advanced Settings] - [Speaker Settings] -
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