Mitsubishi lt-3280 Owner's Manual

Page of 124
Chapter 7: Troubleshooting and Support
88
1.
When the HDTV is turned on for the first time,
the NetCommand WELCOME screen  does not 
appear (see figure 1, page 36). 
• Check to make sure the media center and the display are connected
   using both MonitorLink™ cables (A/V and Control). 
• See Essential MonitorLink™ Connections in Chapter 2 for complete 
   instructions. 
 2.
The HDTV remote control does not work.
• Check that the batteries are installed correctly.
• Check that the selected switch is set to CABLE/DBS/DTV.
• Be within 20 feet of the media center when using the remote control.
• Program the remote control to operate the media center (Appendix H).
 3
The media center takes several seconds to 
respond. 
• It is normal for digital channels to take longer to tune in.
• Press ENTER after a channel number to avoid delays. 
 
• Use a 4 digit number for an over-the-air digital channel
• Use a 6 digit number for cable digital channels
 4.
Cable provider needs information to start
CableCARD™ service.
•  On the remote control, press TV MENU and then enter the numbers
    999 to display the Host ID and CableCARD™ ID information.
 5.
You cannot access a channel.
• Use number keys instead of CHANNEL up/down.
• Be sure the channel you want to view is in memory.  See page 69.
• Check that the media center is turned to the correct device or antenna 
   for that channel, by pressing the DEVICE button. 
• Make sure the V-Chip lock is off.
• If unable to tune to a digital channel, tune to the physical channel
   first.
 6.
On-screen displays appear each time you 
change a function.
• This is part of normal TV operation.
 7.
You cannot program the media center to turn on
automatically (timer function)
• The media center may be locked.
• The clock may not be set.
 8.
There is no sound even when the volume is
turned up. 
• Check audio source in Device Menu.
• Check to see if the MUTE button is on.
• The media center’s “Listen to:” setting may be set to SAP.
•  If you are listening through a DVI device, check that the analog audio
    has been connected to the media center and your DVI device.
 9.
NetCommand unable to learn  specific device
keys. 
• Device does not use IR format for remote control signal. ITT and
   RF formats cannot be learned.
• Room lighting may affect the signal.  Have the remote very close
   (6 inches or less) to the display during Learning.
  See page 10 for the
   location of the Learning IR sensor.
• If using a Mitsubishi remote control, make sure the slide switch is not
   set to the CABLE/DBS/DTV position.
• Some, but not all, device key functions can be learned by
   NetCommand.  For example, POWER and PLAY may be learned,
   but other functions may not.  
• The signal from the remote control may not be strong
   enough.  Insert fresh batteries and try Learning again.
10.
You have forgotten your V-Chip passcode.
• See Appendix C, Bypassing the V-Chip Lock.
11.
PIP does not display a picture.
• Make sure the V-Chip lock is off.        
                        
• Not all inputs can be displayed as a PIP. 
12.
Digital channels do not appear in PIP/POP.
•  Normal PIP/POP operation.     
13.
You cannot see a picture when playing a VHS
tape.
• Open the Review screen and verify that the input for the current VCR
   as listed in NetCommand is the same as the physical connection.
• Display the Device Selection menu and select the correct VCR.    
• Check your VCRs owner’s guide for further trouble shooting.
    
 
 
Problem 
 
 
 
   
 Possible Solution
 Troubleshooting