Easily audible for children and young people. Can you hear a CRT TV?Ĭomputer Monitors and HDTV CRTs don’t have this audible resonance because they operate at a much higher resolution and frequency but operate on the exact same principle. These include the horizontal flyback transformer, deflection yoke, other transformers, even ferrite beads in the horizontal deflection circuits. There are several parts inside the TV that can potentially make this noise. Why does my old TV make a high-pitched noise? This high-pitched tone is inaudible to some, but for those of us used to LCD displays and flatscreens, the whine of a CRT is an annoying relic of the past.

Is it normal for a computer monitor to make a noise?ĬRT scanning The hum from these TVs is caused by the scanning frequency the tubes use as they shoot electrons at the screen.

How to troubleshoot a computer screen with CRT?.

Why does my CRT monitor make a high pitched whine?.

How do I stop my TV from making a high pitched noise?.

Why does my old TV make a high-pitched noise?.

Computer high pitched whine