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Appendices 75
Appendix E: Troubleshooting, continued
General TV Operation
Symptom Remarks
1. A fan is running even while the TV is powered
off.
The room is too warm. When the TV is off, internal components
continue to draw power and must be cooled by the fan.
2.
The fan gets louder after the TV is shut off.
Normal operation. The fan speeds up to cool the lamp quickly
after the TV has been shut off.
3.
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.•
4.
When I try to use the remote control, the
POWER key blinks five times.
Replace the batteries.
5.
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.
6.
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.
7.
You have forgotten your Lock menu pass code. See “Bypassing the Parental Lock”, Appendix B.
8.
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.
9.
On-screen displays appear each time you
change a function.
Normal TV operation.
10. A warning message appeared on screen
stating, “TV will shut down in a few seconds.
Please check if the air flow is blocked.
• InternalTVtemperaturehasexceededproperlevels.Cool
the room.
• TheTVhasoverheated.Clearblockedairventsandensure
at least four inches of clearance on all sides of the TV.
• Cleantheairfilteronthelampcartridge.
11.
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.
75


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