Reference Section; Troubleshooting - Toshiba 37XV500A Owner's Manual

Troubleshooting

Before calling a service technician, please check the following
table for a possible cause of the symptom and some solutions.
Symptom and solution
TV will not turn on
• Make sure the power cord is plugged in, then press ! or
1.
• The remote control batteries may be dead. Replace the
batteries.
No picture, no sound
• Check the aerial connections.
No sound, picture OK
• The sound may be muted. Press 2+, 2– or U.
• The station may have broadcast difficulties. Try another
channel.
Poor sound, picture OK
• The station may have broadcast difficulties. Try another
channel.
Poor picture, sound OK
• Check the aerial connections.
• The station may have broadcast difficulties. Try another
channel.
• Adjust the PICTURE menu.
Poor reception of broadcast channels
• Check the aerial connections.
• The station may have broadcast difficulties. Try another
channel.
• Make sure the Colour system is properly set.
Teletext problems
• Check the aerial connections.
Good performance of text depends on a good strong
broadcast signal.
Multiple images
• The station may have broadcast difficulties. Try another
channel.
• Aerial reception may be poor. Use a high directional
outdoor aerial.
• Check if the direction of the aerial has changed.
Poor colour or no colour
• The station may have broadcast difficulties. Try another
channel.
• Adjust the Tint and/or Colour in the PICTURE menu.
The remote control does not operate
• Remove all obstructions between the remote control and
the remote control sensor on the TV.
• The remote control batteries may be dead. Replace them
with new ones.
• Check that the TV/REGZA-LINK/DVD switch on the
remote control is properly set.
Some pixels of the screen do not light up
• The LCD display panel is manufactured using an
extremely high level of precision technology, however,
sometimes some pixels of the screen may be missing
picture elements or have luminous spots. This is not a sign
of a malfunction.
The picture brightness varies when you switch the
TV on.
• If you switch the TV on at 0°C and under, wait until the
warms up.
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Reference section

The brightness of the screen comes down, or flickers
of the screen are caused, or some parts of the screen
do not light up.
• When you just buy and start to use this TV, a flickering
may be caused in the screen. In this case, switch off the
TV, then switch on it again to cure the condition.
• The cold cathode fluorescent lamp used for the back light
on this TV has longevity. When the brightness of the
screen comes down, or the flickers of the screen are
caused, or some parts of the screen do not light up, it may
reach the end of its life. Contact a service technician.
No REGZA-LINK operation
• The REGZA-LINK feature is available for Toshiba
REGZA-LINK compatible devices.
• Make sure the HDMI cables with HDMI logo are used.
• When the connected REGZA-LINK device does not work
correctly after you have changed setting of the device, turn
off your TV and unplug the power cord, then plug and turn
on again.
• If several devices are connected, REGZA-LINK feature
may not operate properly.
• Read the owner's manual furnished with the connected
REGZA-LINK device.
Symptom and solution
Poor picture
• Check the aerial connections. Make sure it is aligned to
the correct broadcast direction.
• Check the signal level and quality in the Manual Scan
menu.
• If you use any kind of amplifier to boost the signal level,
check whether it works well, and ask for help from the
aerial installer.
No picture
• Use the Manual Scan menu to rescan this channel.
• Try another channel.
• Reduce RF amplifier gain if connected to RF booster.
No sound from DIGITAL AUDIO
• The sound may be muted. Press 2 +, 2 - or U.
• Make sure the TV is adjusted to the correct Audio Track.
• Use the Manual Scan menu to rescan this channel.
• Try another channel.
Not all channels are available after using the Auto
Scan when tuning the TV for the first time.
• This symptom is caused by unexpected frequency offset.
• Using the Manual Scan menu to scan for the missing
channels. Once the TV picks up the signal, all the
transmission parameters will be stored in the internal
memory.
Cannot lock signal by using Manual Scan
• Check the frequency that you have entered is exactly the
Middle frequency of the wanted channel.
• Refer to the solutions for "Poor picture".
No Teletext, no Subtitle
• Make sure the channel that you are watching carries
Teletext/Subtitle information from I-Plate.
Cannot receive channels after moving the TV
between cities (e.g. from Melbourne to Sydney)
• Refer to page 12 to reset data.
- digital only -