There is a service menu you can access from the front panel of the set by holding down two keys at start-up. They vary, but it's usually something like volume-down and enter, or volume-down and input. Don't have your model for specifics.
There is a service menu you can access from the front panel of the set by holding down two keys at start-up. They vary, but it's usually something like volume-down and enter, or volume-down and input. Don't have your model for specifics.