MITSUBISHI ELECTRIC UNISEN LT-46153 - Manual (Page 80)

80 Appendices
Appendix E: Troubleshooting, continued
General TV Operation
Symptom Remarks
1. The TV remote control does not work. Check that the batteries are fresh and installed correctly. •
Check that the control mode on the remote is set to TV. •
Be no more than 20 feet from the TV when using the remote control. •
Program the remote control to operate the TV or other device. •
Reset the remote control. •
2. When I try to use the remote control, the
POWER key blinks five times. Replace the batteries.
3. TV does not respond to the remote control or
to control-panel buttons and TV will not power
on or off. Unplug the AC power cord for 10 seconds. •
Press and hold the POWER button on the control panel to •
perform system reset.
4. When a device is selected from the Activity
menu, the screen is blue or black (no signal
source). • Make sure the selected device is turned on.
• Begin play of the device.
5. You have forgotten your Lock menu pass code. See “Bypassing the Parental Lock”, Appendix A.
6. Rating restrictions are not working. Open the Lock > Parental Lock 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.
7. On-screen displays appear each time you
change a function. Normal TV operation.
8.
9. I have turned on CEC for my HDMI devices
but control is erratic and I wish to disable it. First • turn off the TV’s HDMI control for the specific device.
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:
•
Disconnect the device from the TV. 1.
Open the Inputs > Name menu and select Delete for the 2.
device.
Reconnect the device to the TV and Auto Input Sensing
3.
will recognize the device with CEC disabled.