Appendix B: Troubheshooting - Mitsubishi Electric 3D DLP 642 series Owner's Manual

30 Appendices
Appendix B: Troubleshooting
General TV Operation
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.
POWER key blinks five times.
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4.
or to controFpanel buttons and TV will not
When a device is selected from the Input
Se/ecdon menu, the screen is blue or black (no
signal source).
Press and hold the POWER button on the control panel for 10
* Make sure the selected device is turned on.
* Check connections tothe device.
o Begin play of the device.
5. You have forgotten your Lock menu pass See "Bypassing TV Locks" on page 22.
code.
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/WDEO inputs.
9. I have turned on CEC for my HDMI devices • First turn off the TV's HDMI control for the specific device.
but 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.
If the problem persists, do the following:
1. Disconnect the device from the TV.
2. Open the Inputs > Name menu and select Demete for
the device.
3. Reconnect the device to the TV and Auto Input Sensing
will recognize the device with CEC disabled.
For assistance can 1(800) 332=2119