Sony HT-MT300/B Operator's manual

Network Error or Can't Access the
Network Appears When I Access an
Internet Content
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Follow the steps below to troubleshoot different types of connectivity issues:
Note:
Refer to the product's manual for model-specific information on how to complete the steps in this
solution. Manuals are posted on your model support page.
Each of these steps represents a possible solution to this issue, check if the error continues to
appear after completing each step.
If Feature not available or Service cannot be accessed at this time appears, it's possible that
there's an issue with the service itself. Wait a moment and try again.
1. Test the internet connection with a different device, such as a computer, to verify if internet
access is available.
Note: If necessary, contact your Internet Service Provider (ISP) for assistance to re-establish or
re-activate your internet connection.
2. Confirm that you've established an active internet connection using a wired or wireless
connection.
Note:
Some routers have a Wi-Fi Multi Media (WMM) setting that can help control the streaming
video. If using a wireless connection, contact the router manufacturer for assistance on
changing the WMM setting to help control latency and jitter when transmitting multimedia
over a wireless connection.
If using a wireless gaming adapter for connection, make sure it's set up properly .
3. Make sure the device has the latest system software update installed. You can do this from
the Settings menu of your device (recommended), or download the software update from support
website. Downloads are posted on your model support page.
4. Test if the error message only appears when you access one particular online service or content.

Note: If the error only occurs when trying to access one particular online website or service, that
particular site may be temporarily down for maintenance purposes. In these rare cases, access the
desired online content at a later time.
5. Reset the cable modem or router. Unplug its power cord from the wall outlet for a minute.
6. Refresh the internet content.
7. Change the Primary Domain Name Server (DNS) to a Public DNS 8.8.8.8., and the Secondary
DNS to 8.8.4.4. in the Network Setup menu.
8. Reset the device to the factory default settings.
For TVs
Blu-ray Disc players manufactured on or after 2014
For Blu-ray Disc players and Blu-ray Disc home theater systems manufactured on or before
2013
For Network Media players
Note: It may take up to three attempts for a full reset to occur.
Can't Hear the TV Sound from the
Sound Bar, Home Theater System, or
Home Audio System
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IMPORTANT: This article applies only to specific products and/or operating systems.
Check the Applicable Products and Categories section of this article before starting
these steps.
Select the symptom of your device and follow the steps to resolve the issue. Check
your manual for model-specific information. Manuals are posted on your model support
page.
No sound from the home theater system or home audio system.
Disconnect the cables between your TV and the home theater system or home audio system, and
then reconnect them securely.
Verify whether your TV has an ARC label on the HDMI port.
Verify that the audio output setting of your TV is set to audio system. Check your TV manual for
more information.
If the issue still occurs, try the following additional troubleshooting steps:
Turn off your audio device and wait for one minute, then turn it on again.

If the above solution doesn't work, turn off your TV and wait for one minute, then turn it on
again.
Make sure that Control for HDMI or BRAVIA Sync of your TV and audio device is set
to ON.
Make sure that ARC feature of your audio device is set to ON.
Verify that sound is output from the TV after turning on the TV and then audio device.
Make sure that your audio device is set to TV input.
Change the TV audio output setting to PCM and check whether sound is output.
If the audio device connected to the TV doesn't support compressed audio (such as MP3,
ACC/HE-AAC, WMA9 Standard, or LPCM) the sound may not be output depending on the
type of broadcast or video. Check your TV and audio device manual for more information.
No sound from the wireless subwoofer or surround speaker.
If there's no sound from the surround speaker of the HT-RT5, you can follow the same
troubleshooting steps for the subwoofer.
1. Verify that the subwoofer is turned on.
2. Press the +button on the SW (subwoofer volume) part of the remote control to increase the
volume of the subwoofer.
3. Check the status of the subwoofer LED indicator.
4. If the wireless router or access point that you use can switch between 2.4 GHz and 5 GHz
frequency bands, try changing the frequency to avoid interference.
5. Unplug the subwoofer power cord from the wall for one minute.
6. Plug the power cord back in.
7. Set Linking the system or SECURE LINK after turning on the subwoofer.
8. If TV sound is still not heard, follow these steps to reset your home audio device:
For HT-ST9, HT-NT3, HT-RT5, and HT-XT3
For HT-CT380, HT-CT780, and HT-CT790
9. Set Linking the system or SECURE LINK again after performing the Easy setup.
Sound is low from the wireless subwoofer.
The subwoofer is a speaker for playing bass sound. Sound from the subwoofer may be hard
to hear when the input source has less bass sound such as TV broadcast.
If you're using an optical cable to connect your sound bar and TV, press the TV button on your
sound bar remote control.

Press the +button on the speaker's supplied remote control to increase the volume of the
subwoofer.
Press the NIGHT button on the speaker's supplied remote control to disable the Night mode
function.
Sound is low from a sound bar.
There are designated buttons on the sound bar remote that will assist you in quickly and
easily making these adjustments.
1. Change the VOICE setting to 2.
Press the VOICE button on the remote until you see the UP 2 setting on the display of the
sound bar.
2. Increase the subwoofer level to 10 or higher.
Press the SW + button on the remote until you see SW10 (or higher) on the display of the
sound bar.
3. Check if the Night Mode is set to ON.
Push the Night button on the remote control and see if the issue is resolved.
No Sound from the Audio System
Connected to the TV through ARC
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Follow these steps if you don't get any sound through the Audio Return Channel
(ARC) connection. If you need model-specific information to perfrom any step, check your
manual. Manuals are posted on your model support page.
Make sure that your TV and audio system are ARC-compatible.
If only one of the devices is ARC compatible, the HDMI ARC feature can't be activated. To
get sound from your TV, connect the audio system with an optical cable or audio cable.

Update the software of your TV and audio system to the latest version. Downloads are posted on
your model support page.
Connect a High-Speed HDMI® cable to the HDMI port on your TV and audio system with the
ARC label.
Connect one end of the HDMI cable to the (ARC) HDMI IN of the TV, and then connect the
other end to the (ARC) HDMI OUT of the audio system.
Some Audio/Video (A/V) receivers have ARC ports labeled Out A and Out B.
Check the settings and make sure the correct port is selected in the device menu.
On your TV and audio system, set the Control for HDMI option to On.
Perform a power reset on both devices.
1. Turn off your TV and audio system.
2. Unplug the power cords and disconnect the HDMI cables from the devices and wait for one
minute.
3. Plug the power cords back in.

4. Turn on both devices.
On an Android TV™ device, follow these steps:
Perform clear data and clear cache.
1. On the supplied remote, press the HOME button.
2. Select Settings.
3. Under the TV category, select Apps.
4. Select System apps.
5. Select External Input Services.
6. Select Clear data and choose OK.
7. Select Clear cache and choose OK.
If your audio system isn't compatible with Dolby Digital® or DTS® audio format.
0. Press the HOME button.
1. Select Settings.
2. Under the TV category, select Sound.
3. Select Digital Audio Out.
4. Select PCM.