Справочник Пользователя для Mitsubishi Electronics 837 SERIES

 

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.

 

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.

 

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.

•

 

When I try to use the remote control, the 
POWER key blinks five times.

Replace the batteries.

 

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.

 

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.

 

You have forgotten your Lock menu pass code.

See “Bypassing the Parental Lock”, Appendix B.

 

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.

 

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.

Open the Inputs > Name menu and select Delete for the 

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

will recognize the device with CEC disabled.