Strange TV issue

[Gegallant]

Was wondering if anyone had seen this issue. We have a 2014 36RL. The unit is equipped with 3 TVs.
Our problem occurs when watching a program and one of us turns on certain power switches in the 5er. The picture starts to break up or blacks out all together.
This happens when the main bedroom lights or bathroom fan or bathroom lights are switched on. The problem occurs on all TVs.
So far, I've checked for voltage loss at the battery when any of these switches were on, but no drain. I didn't suspect a loss since the lights are LED.
The problem is more severe when using the antenna w/amplifier but does happen to a lesser level when hooked up to cable.
We plan on installing a sat system soon and would like to make sure there won't be an issue that interferes with reception. We would like to be able to connect the antenna through the satelite to receive local programing.

If anyone has any ideas, please let me know. Any suggestions would be appreciated.
Thanks

Safe Travels
George and Kay

[JohnEileen]

Ours will flicker when some appliances are used and yes I notice some temporary noise when the second TV is turned on. (We only have two TV's in our RW.

[Dro67]

Our bedroom tv loses only the ABC channel from the antenna signal if you turn on the hall light from the bedroom switch......strange

[piper guy]

The Amish are known for their woodworking and cabinetry ....... Not necessarily for their electrical skills.