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External Device Connection Issues
When the TV has difficulties with external device connection, these solutions may help resolve the problem.
Problem
The TV is having trouble
receiving a signal from an
external set top box.
There is no sound.
Related information
External source connected but no picture or sound.
HDMI & CEC Issues
When HDMI & CEC is not working, these steps may help resolve the problem.
Problem
HDMI & CEC does not work.
Related information
Use HDMI-CEC
on page 20
Application Issues
When some apps will not play, this may help resolve the problem.
Troubleshooting
•
If there is no signal occasionally, unplug cable from TV and re-plug after
60 seconds.
•
Change to another HDMI port.
•
Change to another HDMI cable.
First, you need to check whether the external power amplifier device is
•
connected to the ARC/eARC port or optical port of the TV.
Second, Check whether ARC is selected at
> Audio Output Settings > Audio Output. If your TV support eARC
function, check whether eARC is set to On at
Sound > Audio Output Settings.
•
>
Settings > Sound > Audio Output Settings > Digital Audio
Out. You can try to select Pass Through, PCM, AUTO, Dolby Auto -
Dolby Digital, or Dolby Auto - Dolby Digital Plus.
•
Whether the power amplifier device port is connected correctly.
on page 54
•
Confirm that the device is a HDMI & CEC compatible device.
•
Check if the power cable of the HDMI & CEC device is properly
connected.
•
Check the cable connection of the HDMI & CEC device is secure.
Check CEC function of your TV is turned on.
•
>
Settings > System > HDMI-CEC > HDMI-CEC
•
Check HDMI & CEC feature of the connected device is turned on.
•
Depending on the connected HDMI device, the HDMI & CEC control
feature may not work.
61
Possible Solutions
Possible Solutions
>
Settings > Sound
>
Settings >
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