MITSUBISHI ELECTRIC WD-73642 - Manual (Page 30)

30 Appendices
For assistance call 1(800) 332-2119
Appendix B: Troubleshooting
Service and Custo mer Support
Service
If you are unable to correct a problem with your
TV, consult Mitsubishi Consumer Relations at
1 (800) 332-2119.
• DO NOT adjust any controls other than those
described in this Owner’s Guide.
• DO NOT remove the protective back cover of your TV.
Customer Support
• To order replacement or additional remote controls,
visit our website at www.mitsuparts.com or call
1 (800) 553-7278.
• For questions:
- Call Consumer Relations at 1 (800) 332-2119.
- E-mail: [email protected]
- Website: www.mitsubishi-tv.com
General TV Operation
Symptom Remarks
1. The TV remote control does not work. • Check that the batteries are fresh and installed correctly.
• Be no more than 20 feet from the TV when using the remote
control.
• If using an external 3D emitter, try pointing the emitter in a
different direction or disconnect the emitter.
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 for 10
seconds to perform system reset.
4. When a device is selected from the Input
Selection menu, the screen is blue or black (no
signal source). • Make sure the selected device is turned on.
• Check connections to the device.
• Begin play of the device.
5. You have forgotten your Lock menu pass
code. See “Bypassing TV Locks” on page 22 .
6. Rating restrictions are not working. Open the Lock > Parental 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 and
composite Y/VIDEO inputs.
7. On-screen displays appear each time you
change a function. Normal TV operation.
8. 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.
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:
1. Disconnect the device from the TV.
2. Open the Inputs > Name menu and select Delete for
the device.
3. Reconnect the device to the TV and Auto Input Sensing
will recognize the device with CEC disabled.