How To Fix Hitachi Ultravision TV No Sound? – Complete Fix Guide

The Hitachi Ultravision TV no sound issue has been reported by many users and luckily it has been solved by most of them.

There are quite a few reasons why your Hitachi TV won’t have sound and in this guide, we’re about to unwrap this topic and help you determine the cause.

That would be possible by following a series of chronological solutions that will address each and every possibility.

To fix the sound of your Hitachi Ultravision TV, you should first unmute the device and turn up the volume. Then you should update its OS firmware, then disconnect any third-party devices and perform a soft reset.

This is what the solution includes, but there are much more key points to focus on.

Let’s jump straight into the solutions and help you solve the problem in no time!

How To Fix When Hitachi Ultravision TV No Sound?

The solutions below are designed in a way to address each possibility of no sound on your Hitachi Ultravision TV.

We strongly recommend following the in-order so you can not only solve, but also discover the cause of the problem.

Solution #1 Unmute/Increase Ultravision TV Volume

The first and simplest task that works best whenever your Ultravision TV is having sound problems is to either unmute the TV or increase its volume.

Users often get deceived that their TV is having sound problems, while the device’s audio is muted or lowered all the way down.

Here’s how to increase the volume and unmute your Hitachi Ultravision TV:

How To Unmute Hitachi Ultravision TV?

Grab your Hitachi Ultravision TV remote and press the mute button located near the volume +/- buttons.

Press it once and determine if your TV would make a sound.

How To Increase Hitachi Ultravision TV Sound?

Grab your Hitachi Ultravision TV remote unit, point it towards the TV and press the volume up button.

Press it around 5-10 times and check for any sound.

Alert: Don’t leave your Hitachi TV muted when pressing the mute button, since the following solutions won’t help you.

Solution #2 Power Cycle Hitachi Ultravision

A solution that works like a charm is the power cycle process.

That will essentially discharge all of the electricity within your TV and solve any power and OS-related issues that the device may have developed.

Here’s how to power cycle your Hitachi Ultravision TV in easy steps:

1. Go to the power source of your Ultravision TV.
2. Grab the remote and turn off the Hitachi TV.
3. Unplug the power source of the device.
4. Wait for 5 minutes while the adapter is unplugged.
5. Reconnect the adapter to the wall outlet.
6. Test your TV’s volume.

Note: Keep your TV unplugged for no less than 5 minutes so the power cycle process can complete.

Solution #3 Update Hitachi Ultravision

Users suggest that updating the version of your Hitachi Ultravision TV may get the sound problem resolved in no time.

You’ll have to check whether there are any pending updates that would upgrade the operating system and hopefully solve the sound problem.

Here’s how to check your Ultravision TV for updates and how to install the newest version:

1. On your Hitachi TV remote, press the Home button.
2. Head to the settings tab.
3. Choose System.
4. Press on System Update.
5. Press the Check Now button.
6. Wait for any updates to be verified and displayed.
7. Choose the “Update” button if any updates are shown.

Tip: Do not shut off your TV while the update is ongoing to avoid software complications.

Solution #4 Disconnect Any Speakers

When the Hitachi Ultravision TV no sound appears, maybe you’ve connected external speakers or home cinema systems that don’t work, and in turn, the sound will be lost.

For that solution, you should disengage any external third-party devices that support sound transfers and test your TV’s default audio output.

Since we don’t know what type of devices you have attached to your Hitachi TV, disconnect ALL cables except for the power adapter of your TV.

That would include any AUX cables, HDMI cables, AV (component) cables, etc…

Even if you’re using streaming sticks, consoles, or cable boxes, disengage them and test your TV’s default sound.

The easiest way to check your Hitachi Ultravision TV sound is to open an application or a platform that contains media and play something.

Tip: Keep all external devices unplugged until the end of the guide or until you’ve identified the true cause of the issue.

Solution #5 Factory Reset Hitachi Ultravision

If nothing worked so far, your best shot is to factory reset the Hitachi Ultravision TV.

This will wipe out all recorded data, applications, and files stored on your Hitachi Ultravision TV along with all configured settings and features.

Hopefully, the audio problem will be fixed as a result of the factory reset.

Here’s how to factory reset your Hitachi Ultravision TV in easy steps:

1. Grab your Hitachi Ultravision TV remote and press the home button.
2. Navigate to the settings of the device.
3. Choose the system and head to Advanced System Settings.
4. From there, locate the Factory Reset tab and enter it.
5. Validate the reset and wait for your TV to finish the process.

Now your TV would be reverted to factory settings. In that regard you’ll need to carry out the initial setup process but once you’re done the sound should be back.

In case the sound still isn’t there, keep reading to learn some universal Hitachi TV fixes, further in the guide.

Alert: Once again, do not shut your Hitachi TV off until the reset is finished to avoid preventing it from completion.

How To Fix Hitachi TV Sound Not Working?

If you’re experiencing problems with another Hitachi TV model rather than the Ultravision series, we’ve also got you covered.

Keep in mind that the Hitachi TV Ultravision troubleshooting will also be helpful for any other Hitachi models, so test them out.

Here’s how to fix the sound of your Hitachi TV in easy steps:

• Soft reset Hitachi TV – Unplug your TV and hold its power button for 60 seconds.
• Choose default sound output – Go to Audio Settings > Default Sound Output.
• Disable SAP – Go to Settings > Audio Settings > SAP > “Disable”.

The SAP (secondary audio protocol) should be kept disabled since it interferes with the audio of your television.

Tip: Don’t forget to check whether your Hitachi TV is muted or the volume is lowered all the way down.

Quick Recap

Thus, to fix a Hitachi Ultravision TV without sound, start by unmuting the device and increasing the volume. Next, disconnect any HDMI, AUX, and AV component cables that are hooked up to your TV and conclude by performing a factory reset on the TV.

Read Next: Hitachi Roku TV Keeps Restarting?

Bottom Line:

Now that you’re aware of why your Hitachi Ultravision TV no sound problem, you should be able to solve the issue at home.

However, if you start to realize that the issue is not related to any of the above-described scenarios, perhaps you’re dealing with a hardware problem.

In such cases, the best approach would be to contact Hitachi and attempt to use your warranty if it’s still active.

The other workaround that doesn’t involve your warranty, would be to bring the TV to a service repair for a professional opinion and repair.