Appendix B: Troubleshooting - Mitsubishi WD-73CLL Supplemental Owner's Manual

30 Appendices
Appendix B: Troubleshooting
General TV Operation
1. The TV remote control does not work. o Check that the batteries are fresh and installed correctly.
Be no more than 20 feet from the TV when using the remote
control.
If using an external 3D emitter, try pointing the emitter in a
different direction or disconnect the emitter.
...................................... POWER key blinks five times.
3. TV does not respond to the remote control • Unplug the AC power cord for 10 seconds.
or to control-panel buttons and TV will not • Press and hold the POWER button on the control panel for 10
.... power on or off. seconds to perform system reset.
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4. When a device is selected from the Input • Make sure the selected device is turned on.
Selection menu, the screen is blue or black (no • Check connections to the device.
5. You have forgotten your Lock menu pass See "Bypassing TV Locks" on page 22.
code.
6. Rating restrictions are not working. Open the Lock > Parental menu and:
Verify that the ratings locks are active.
Check the Lock Time/Unlock Time to check if rating restric-
tions are disabled.
Rating restrictions apply only to content on the ANT input and
composite Y/VIDEO inputs.
change a function.
81 Awarnii messag; appeared onscre;n iniernai TVtemperature has exceeded proper aeveis
stating TV will shut down in a few seconds, the room.
Please check if the air flow is blocked. • The TV has overheated. Clear blocked air vents and ensure
at least four inches of clearance on all sides of the TV.
....................................... j
9. I have turned on CEC for my HDMI devices • First turn off the TV's HDMI control for the specific device.
but control is erratic and I wish to disable it. Open the inputs > HDMI Control menu, select the device,
select Off.
Disable CEC on the device itself. See the device's instruc-
tions.
If the problem persists, do the following:
1. Disconnect the device from the TV.
2. Open the inputs > Name menu and select Delete for
the device.
3. Reconnect the device to the TV and Auto Input Sensing
For assistance call 1(800} 332-2119