Hi, My name is***** will assist you.I am sorry to hear that you are having this issue. Try these steps please>Unplug the sony dav-dz260 power cord for 5 minutes, then re connect the power cord. Then follow these steps> Press the power button to turn on the system, then press the eject, stop and power button on the front panel of the sony at the same time.
tried this and locked appeared on display
hi itried the cold reset again able to get set up menu but still comes up locked