MITSUBISHI ELECTRIC LT-3050 - Manual (Page 64)

64
Troubleshooting
Problem Possible Solution
• The TV remote control does not work. • Check that the batteries are installed correctly.
• Check that the selected switch is set to “TV”.
• Be no further than 20 feet from the TV when using the remote control.
• Avoid using under or near strong fluorescent lighting.
• The TV takes several seconds to respond to channel commands. • Press ENTER after a channel number to avoid delays.
• Use the three digit number, i.e 002 for channel 2.
• Avoid using under or near strong fluorescent lighting.
• 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 turned to the correct input source for that channel,
by pressing the DEVICE button.
• Make sure the V-Chip setting is Off (page 44).
• On-screen displays appear each time you change a function. • This is part of normal TV operation.
• You cannot program the TV to turn on automatically. • The TV may be locked.
• The clock may not be set.
• There is no sound even when the volume is turned up. • Check to see if the MUTE button is on.
• The TV’s “Listen to:” setting may be set to SAP.
• Check that “TV Speakers” setting is On.
• You have forgotten your lock passcode. • See Appendix A, Bypassing the V-Chip Lock (page 57).
• Power is suddenly turned off. • Check TIMER and PC Power Save settings.
• PIP does not display a picture. • Make sure the V-Chip setting is Off (page 44).
• Not all inputs can be displayed as a PIP (page 22).
• The sound does not match the screen picture. • The TV’s “Listen to:” setting may be set to SAP.
• If using stereo or A/V reveiver speakers, check input selection on the
stereo or A/V receiver.
• If using stereo or A/V receiver, check that AUDIO is from MONITOR
OUT on TV’s back panel.
• There is a large black or gray rectangle on the screen. • The TV closed captioning has been set to “text” mode, but there is no
text information being broadcast. Turn Off in the CAPTIONS menu
(page 39).
• Picture is out of focus, or colors are not aligned. • Check the Sharpness, ColorView, and input signal settings (page 52).
• You cannot see a picture when you play a VCR tape. • If you connected your VCR with A/V cables, use the DEVICE button
to select the Input source (INPUT-1 or INPUT-2) that the VCR is
connected to.
• Check your VCRs owner’s guide for further troubleshooting.
• V-Chip Lock is not working. • Make sure that V-Chip is On (page 43).
• If V-Chip Hours/Lock by Time is currently set to disable the V-Chip
lock, the V-Chip will not block programming.
• Cannot set adjustments to factory setting • Follow the steps below to reset system defaults to factory settings.
1. Press the TV MENU button followed by number buttons 1,2,and 3 on
the remote control.
Result: The above steps activate the Reset System Defaults menu screen
2. Press the ENTER button on the remote control.
Result : The settings reset to factory defaults.
3. Press the HOME or TV MENU button on the remote control to
return to the HOME or TV MENU screeen.
IMPORTANT: This function is not recommended unless it is mandatory
to reset system defaults to factory settings. This operation CANNOT be
undone and all customs settings will be erased.