74Appendices

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.

 

 

 

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

Replace the batteries.

 

POWER key blinks five times.

 

 

 

 

 

 

5.

TV does not respond to the remote control or

Unplug the AC power cord for 10 seconds.

 

to control-panel buttons and TV will not power

Press and hold the POWER button on the control panel to

 

on or off.

 

perform system reset.

 

 

 

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).

 

 

7.

You have forgotten your Lock menu pass code.

See “Bypassing the Parental Lock”, Appendix A.

 

 

 

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

Normal TV operation.

 

change a function.

 

 

 

 

 

 

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.

 

 

 

 

11.

I have turned on CEC for my HDMI devices but

First turn off the TV’s HDMI control for the specific device. Open

 

control is erratic and I wish to disable it.

 

the Inputs > HDMI Control menu, select the device, select Off.

 

 

• Disable CEC on the device itself. See the device’s instructions.

 

 

• If the problem persists, do the following:

 

 

 

1. Disconnect the device from the TV.

 

 

 

2. Reconnect the device to the TV and Auto Input Sensing will

 

 

 

recognize the device with CEC disabled.

 

 

 

 

Page 74
Image 74
Nikon 737 Series, 837 Series, C9 SERIES manual General TV Operation Symptom Remarks

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