
Appendices  | 75  | 
Appendix E: Troubleshooting, continued
General TV Operation
  | Symptom | Remarks | |
1.  | A fan is running even while the TV is powered  | The room is too warm. When the TV is off, internal components  | |
  | off.  | continue to draw power and must be cooled by the fan.  | |
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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.  | |
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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.  | |
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4.  | When I try to use the remote control, the  | Replace the batteries.  | |
  | POWER key blinks five times.  | 
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5.  | TV does not respond to the remote control or  | •  | Unplug the AC power cord for 10 seconds.  | 
  | to   | •  | Press and hold the POWER button on the control panel to  | 
  | on or off.  | 
  | perform system reset.  | 
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  | |
6.  | When a device is selected from the Activity  | • Make sure the selected device is turned on.  | |
  | menu, the screen is blue or black (no signal  | • Begin play of the device.  | |
  | source).  | 
  | 
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7.  | You have forgotten your Lock menu pass code.  | See “Bypassing the Parental Lock”, Appendix B.  | |
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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.  | |
  | 
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9.  | Normal TV operation.  | ||
  | change a function.  | 
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10.  | A warning message appeared on screen  | •  | Internal TV temperature has exceeded proper levels. Cool  | 
  | 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.  | 
  | 
  | •  | Clean the air filter on the lamp cartridge.  | 
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11.  | I have turned on CEC for my HDMI devices but  | • First turn off the TV’s HDMI control for the specific device.  | |
  | 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.  | 
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  | •  | If the problem persists, do the following:  | 
  | 
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  | 1. Disconnect the device from the TV.  | 
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  | 2. Open the Inputs > Name menu and select Delete for the  | 
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  | device.  | 
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  | 3. Reconnect the device to the TV and Auto Input Sensing  | 
  | 
  | 
  | will recognize the device with CEC disabled.  |