Why is the control for HDMI function not working properly?
John Thompson
Published Apr 03, 2026
Why is the control for HDMI function not working properly?
When [<HDMI>] – [CTRL HDMI] is set to [CTRL OFF], “BRAVIA” Sync does not work properly, even if the device is connected to the HDMI INjack. Make sure the connected device supports the Control for HDMI function. Enable the Control for HDMI function on the connected device. For details, refer to the operating instructions of the connected device.
Can a HDMI output control the volume of the TV?
All TV audio outputs are usually fixed volume unless the TV menu can change that. Only ARC with CEC turned on allows for the TV volume to control an audio system over HDMI but your amp doesn’t support that.
Can a TV volume control work with arc?
Only ARC with CEC turned on allows for the TV volume to control an audio system over HDMI but your amp doesn’t support that. The only way to do it would be to open the TV and connect the wires now going to the internal TV speakers to a speaker to line level converter. That will give you an output for the analog aux input of the amp.
Why is my HDMI audio signal dropping out?
If your HDMI audio video signal is faulty, not working or repeatedly dropping out – then don’t panic! – there’s probably nothing drastically wrong. It could be something as simple as a loose connection on the back of the AV source device, or just a simple cabling issue.
When [ ] – [CTRL HDMI] is set to [CTRL OFF], “BRAVIA” Sync does not work properly, even if the device is connected to the HDMI INjack. Make sure the connected device supports the Control for HDMI function. Enable the Control for HDMI function on the connected device. For details, refer to the operating instructions of the connected device.
If your HDMI audio video signal is faulty, not working or repeatedly dropping out – then don’t panic! – there’s probably nothing drastically wrong. It could be something as simple as a loose connection on the back of the AV source device, or just a simple cabling issue.
What to do if there is no HDMI signal?
If that doesn’t work, the next thing to consider is changing the boot sequence. So, if you turned on the display before your HDMI source, try turning both off and then powering them on in the opposite order. This is an extremely common solution for people with HDMI sources connected to a home theater system or an audio/video receiver.
How can I fix a loose HDMI cable?
So simply by changing the HDMI channel from 1 to 2, could solve the problem and then present you with your image. Check there isn’t a loose connection on either the Source or Display end of the HDMI cable. Try disconnecting and reconnecting the HDMI cable at each end.