It might be a little frightening when your TV makes a high-pitched noise. However strange as it may sound, most manufacturers say you shouldn’t panic when this happens. A high-pitched sound produced when turning on your TV is completely normal.
This sound is produced by electrical charges made by the TV to power the pixels that create the images displayed on your screen. It is essential to note that the high-pitched sound produced when you turn on your TV shouldn’t be too loud either that it is audible when the TV volume is set to normal levels. Additionally, if you are getting no sound from TV there could be a different problem.
An unusually high-pitched noise from the TV could also mean a hardware malfunction. Fortunately for you, we have compiled a step-by-step guide on how to fix high-pitch noise from even the most highly-acclaimed TVs.
Several things could lead to a high-pitched noise from your TV. Different components inside the unit can produce these noises. These include the deflection yoke, horizontal flyback transformer, and horizontal deflection circuits, among other components. The connections to the tv such as the HDMI port may also be faulty but you can always learn how to fix an HDMI port on the tv.
A high-pitched sound might not necessarily point towards a hardware fault in your TV. However, before getting to that conclusion, the following steps will help you fix the issue.
Ideally, all TVs make some noise that can be heard in a quiet room with your ear placed on the unit. This is quite normal.
If you have tried all the above options and you are unable to tone down the high-pitched sound, it could be an issue with an internal hardware component. You may want to try fixing the resolution on the tv too. But if it fails, it is essential to seek assistance from the manufacturer on your TV warranty status.
What causes a high-pitch noise in a TV?
Several things could lead to a high-pitched noise from your TV. Different components inside the unit can produce these noises. These include the deflection yoke, horizontal flyback transformer, and horizontal deflection circuits, among other components.
Could a high pitch noise mean hardware failure?
A high-pitched sound might not necessarily point towards a hardware fault in your TV. However, an unusually high-pitched noise from the TV could mean a hardware malfunction.
A high-pitched sound increases with soundbar volume. What does it mean?
If you have a home theater system or a soundbar connected to your TV, and the high-pitched noise gets louder when you increase the volume; you will need to check your connections, including HDMI or RCA, for faults or physical damage.
Can worn-out TV cables cause a high-pitched sound on a TV?
Yes. Worn-out TV cables will lead to signal issues, leading to strange buzzing and popping and high-pitched sounds.
Do TVs make any internal sound?
STAT: According to statistics, the electronic and computer repair industry in the U.S has fallen slowly between 2016 and 2021. The fall will continue with an annualized 2.3%, including an anticipated 6% decline in 2020 due to the effects of the pandemic (source)