#RADIO SCREEN LIGHTS UP NO SOUND HOW TO#
#RADIO SCREEN LIGHTS UP NO SOUND MANUAL#
#RADIO SCREEN LIGHTS UP NO SOUND SOFTWARE#
#RADIO SCREEN LIGHTS UP NO SOUND PROFESSIONAL#
#RADIO SCREEN LIGHTS UP NO SOUND TV#

Turn on the TV and the audio system in the following order: TV first, then the audio system.Ĭhange the TV’s Digital Audio Output setting to PCM. Press the INPUT button or TV button on the audio system remote control to switch the input to the TV. NOTE: Just connecting the TV and audio system with a cable will not produce sound from the audio system. On the TV, change the audio output destination setting from TV Speakers to Audio System. If the issue persists even after completing all the steps above, follow these additional troubleshooting steps:ĭisconnect the HDMI cable from the TV and audio system, and then reconnect it. In these cases, the input will be marked with the letters ARC or eARC/ARC NOTE: On some TVs with multiple HDMI inputs, the ARC/eARC feature will only be support on one of the inputs. Make sure that a high-speed HDMI cable is being used and is securely connected to the HDMI ports labeled ARC or eARC/ARC on both products, and on the audio system side, connect the HDMI cable to the HDMI output terminal. NOTE: Depending on the product used, the setting name may be different, or may not exist at all

In the HDMI related settings of the audio system, set the Audio Return Channel ( ARC) or TV Audio Input Mode to On or Auto. NOTE: If your TV is a Bravia, set the BRAVIA Sync option to On Make sure the Control for HDMI option of both products is set to On in the menu systems

#RADIO SCREEN LIGHTS UP NO SOUND SOFTWARE#

The TV and audio system must both have the latest software installed

#RADIO SCREEN LIGHTS UP NO SOUND MANUAL#

NOTE: If model-specific information is needed to complete any of these steps, or to determine if your product supports the ARC/eARC feature, refer to the manual supplied with the product. To fix this issue, check these suggestions.

#RADIO SCREEN LIGHTS UP NO SOUND HOW TO#

For additional details, refer to the How to hear the television sound through the speakers of a stereo receiver or home theater system article. If either of the products doesn’t support ARC/eARC, the connection of an optical audio or audio cable will be needed. IMPORTANT: To use the ARC/eARC feature, both the TV and audio system need to support ARC/eARC. You will need to have an authorized Mercedes-Benz service technician replace the whole unit if AGW is defective.This solution is designed to assist when the ARC/eARC feature is not working and both the TV and audio system are compatible with the feature. The Audio Gateway is the brains of the Mercedes-Benz COMAND system. You need to figure out which component is defective by bypassing each component until you find the problem. When one of your components goes down, your COMAND will stop functioning. The fiber optic cables are used to transmit the sound signal of your Mercedes-Benz between the different units for better sound quality and faster transfer rates. Troubleshooting the fiber-optic loop is the next step that you should do if removing the fuses does not solve the no-sound problem.

A fuse chart for your model can be found on your fuse box, use the chart to identify the fuses for these components. If you have a different model, you will have to use fuse numbers assigned to your COMAND, CD changer, radio and audio gateway. Take note: The fuse number will depend on the model of Mercedes-Benz that you have. Take out the key from the ignition and don’t turn on the car for at least 15 minutes.The second fuse box may be on the left side of the trunk.Pry the side cover, look for fuse 26 and 28 and remove both fuses. Find the fuse box under the dashboard.How to perform a soft reset of the COMAND / NAV Radio System

#RADIO SCREEN LIGHTS UP NO SOUND PROFESSIONAL#

If this happens repeatedly, a professional Mercedes Benz repair technician or mechanic can help check any updates for your COMAND / navigation unit. This normally restores the systems to working order.

Doing a soft reset for these systems will force the head unit to rest. For you to do that, you will need to remove the fuses for the CD Changer, COMAND/ NAV / DVD Player / Radio, Audio Gateway AGW, and the Voice Unit if it is equipped with one, for at least 10 minutes. The most common solution to fix any of these issues is to try to perform a soft reset of the COMAND unit. radio shuts off randomly, turns on and then off We have listed down common issues with the Mercedes-Benz COMAND system, including problems with Are you having trouble with a non-working radio on your Mercedes-Benz?

Radio screen lights up no sound