Hello, sorry to hear you are having this problem. I can assist you. This will take some interactive work on your end. Your participation is needed and clear communication is crucial to solving your problem. To start we need to know:
1. What is connected to the Tv? antenna
/cable into the Tv's tuner, or satellite
/cable box/dvr, or bluray, or dvd, or game. And what type of input are they on hdmi
, component, composite, etc
2. Is there any external sound system/speakers or just the internal Tv speakers?
3. Do you have the original Mitsubishi Tv remote?
4. Exactly what steps have you done to try to resolve the problem?
Please reply with all the information to get started. Additional details may be required. My replies may take several minutes so please be patient.
ps. I am here to help you. Use the REPLY button when you don't understand what to do.