HL-R6178W making a loud humming noise

our HL-R6178W is making a loud humming noise - it sounds like it is cycling up and down - kind of like when your internal computer hard drive starts to die... anyone have a clue what this is?
1 answer Last reply
More about r6178w making loud humming noise
  1. does it hum when the cable tv is disconnected?
    Probably a bad power supply?
Ask a new question

Read More

Digital TV Computer Hard Drives Home Theatre