80Appendices

Appendix E: Troubleshooting, continued

TV Channels (from the ANT input)

 

Symptom

Remarks

1.

The TV takes several seconds to respond to

• It is normal for digital channels to take longer to tune in.

 

channel changes.

• Press ENTER after entering a channel number to avoid

 

 

delays.

 

 

• Use a 4-digit number for an over-the-air digital channel.

 

 

• Use a 6-digit number for digital cable channels if your cable

 

 

service is able to recognize 6-digit channel numbers.

 

 

 

2.

You cannot access a channel.

• Use number keys instead of CHANNEL Up/Down.

 

 

• Be sure the channel you want to view is in memory.

 

 

• Check that the TV is switched to the correct device or

 

 

antenna for that channel by pressing the ACTIVITY key.

 

 

• Make sure the Lock > Parent menu lock is set to Off.

 

 

• If you cannot tune to a virtual digital channel even though the

 

 

TV has already memorized digital channels, tune to the physi-

 

 

cal channel number used by the broadcaster. The virtual

 

 

channel will then be automatically added to memory.

 

 

• You may be trying to tune to an analog channel that is no

 

 

longer broadcasting.

 

 

 

3.

When ChannelView list is displayed, informa-

• Press INFO to update the display for the highlighted channel.

 

tion appears incomplete

• Program information is displayed only for the currently tuned

 

 

channel.

 

 

• Available information is sent from the broadcaster or cable

 

 

provider. No other data is available.

 

 

• Make sure the TV clock is set correctly.

 

 

 

TV Power On/Off

 

Symptom

Remarks

 

 

 

1.

TV takes an excessively long time to power

When powered on, the TV needs time to boot up, just as a com-

 

on.

puter does.

 

 

 

2.

You cannot program the TV to turn on auto-

• The TV may be locked.

 

matically (Timer function)

• The clock may not be set.

 

 

 

3.

TV turned itself off and the light on the front

• Momentary power fluctuation caused the TV to turn off to

 

panel started to blink.

prevent damage. Wait for the light to stop flashing and turn

 

 

the TV on again.

 

 

• If the TV does not stay on, press the POWER button on the

 

 

control panel for at least eight seconds to perform System

 

 

Reset. If this happens frequently, obtain an AC line power

 

 

conditioner/surge protector.

 

 

• An unusual digital signal may have been received, triggering a

 

 

protection circuit. Wait for the light to stop flashing and turn TV

 

 

on.

 

 

 

4.

TV will not power off.

Press the POWER button on the control panel for ten seconds

 

 

to perform System Reset.

In Canada call 1(800) 450-6487 for assistance.

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Mitsubishi Electronics L75-A91, L75A81 TV Channels from the ANT input Symptom Remarks, TV Power On/Off Symptom Remarks