Troubleshooting - Toshiba 42HM66 Owner's Manual

8
Appendix

Troubleshooting

Before calling a service technician, please check this section for a possible cause of the problem and some
solutions you can try.
Symptom
Power LED
does not light
No image
The remote
control does
not work
?
Delays for video
and audio outputs
Dim image
Blurry image
Overlapped
image
Stripes on the
screen
Snowflakes on
the screen or
noise interference
Spots on the
screen
Clear image but
no sound
The remote control LED doesn't blink when a button is pressed.
Replace the batteries.
The remote control LED blinks when a device mode is pressed, but the device does not respond.
Make sure that you are less that 15 feet (4.57 meters) from the infrared remote sensors on the device.
Make sure that nothing is blocking the infrared remote sensors on the remote control or the device.
Make sure that you have selected the correct device mode.
Make sure that the remote is programmed for that device.
See "Programming the TV's universal remote control to operate your other devices" on page 14.
The remote control will not accept the device program code.
Make sure that you followed all the steps in the programming procedure.
See "Programming the universal remote control" on page 14.
Make sure that you tried all the program codes listed for the device manufacturer.
See "Device program codes" on pages 15~18.
30
Possible solution
?
* Make sure the power cord is not disconnected or loose.
* Make sure the fuse and electricity outlet are working properly.
LAMP
* Make sure the antenna is in place and is not loose .
* Make sure the power is on.
?
* Check the image input signal source connection (see pages 8~10).
* Check the TV/DTV setting (see page 25).
* Make sure the TV station or cable TV system is in service.
* Check the video cable connection.
* Make sure the frequency range of the input signal is not beyond the display's acceptable
range.
* The batteries may be dead or may be inserted incorrectly. Replace the batteries.
* Make sure the remote control is within 15 feet of the infrared remote sensors on the TV front.
Make sure there is nothing blocking the infrared remote sensors on the remote or the TV.
* If the monitor is warming up, the POWER LED on the front of the TV will be flashing green.
* To help protect the lamp, wait at least 60 second after turning off the TV before turning it back
on again.
* Check the color and color tone settings.
* If the picture darkens and/or colors fade, if the screen (lamp) does not light, or if you hear a
loud noise and the picture goes black, the lamp may have ruptured. Replace the lamp.
* If there is condensation inside the TV, turn off the TV and let it sit for a few hours before
turning it back on again.
* Check the position of the antenna.
* Try moving the signal cable.
* If there is computer, other TV sets, TV video game system, VCR, radio cassette near your
TV, please adjust the antenna position.
*Antenna reception may be poor. Use a highly directional outdoor antenna (if applicable).
* A hair dryer, neon light, or high voltage power line can cause this problem. Move the item or
the relocate the TV, if possible.
* Press MUTE on the remote control.
* Make sure the audio cable is installed correctly.
* Make sure the internal speakers are set to OFF (see page 21).
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