Toshiba 40XV700A - Reference Section; Troubleshooting Common Issues

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Reference section
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, and then press
!
or
1
�
• Theremotecontrolbatteriesmaybedead.
Replace the batteries�
No picture, no sound
• Checktheantennaconnections.
No sound, picture OK
• Thesoundmaybemuted.Press
2
+,
2
–
or
U
�
• Thestationmayhavebroadcastdifculties.
Try another channel�
Poor sound, picture OK
• Thestationmayhavebroadcastdifculties.
Try another channel�
Poor picture, sound OK
• Checktheaerialconnections.
• Thestationmayhavebroadcastdifculties.
Try another channel�
• Adjustthe
PICTURE
menu�
Poor reception of broadcast channels
• Checktheaerialconnections.
• Thestationmayhavebroadcastdifculties.
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difculties.
Try another channel�
• Aerialreceptionmaybepoor.
Use a high directional outdoor aerial�
• Checkifthedirectionoftheantennahaschanged.
Poor colour or no colour
• Thestationmayhavebroadcastdifculties.
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 on the screen do not light up
• The LCD display panel is manufactured using an
extremely high level of precision technology, however,
sometimes some pixels on 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orbelow,waituntilit
warms up�
The screen’s brightness decreases, flicker occurs,
or some parts of the screen do not light up.
• WhenyourststarttousethisTV,ickeringmayoccur
on the screen� In this case, switch the TV off and then on
again to resolve this issue�
• Thecoldcathodeuorescentlampusedforthebacklight
on this TV has a certain lifespan� When the brightness
ofthescreendecreases,ickeroccursonthescreen,or
some parts of the screen do not light up, it may have
reached 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HDMIcableswiththeHDMIlogoareused.
• WhenaconnectedREGZA-LINKdevicedoesnotwork
correctly after you have changed device settings, turn off
your TV and unplug the power cord� Then, plug the TV
in and turn on again�
• Ifseveraldevicesareconnected,theREGZA-LINK
feature may not operate properly�
• Readtheowner’smanualfurnishedwiththeconnected
REGZA-LINK device�
Symptom and solution
- digital -
Poor picture
• Checktheaerialconnections.Makesureitisalignedto
the correct broadcast direction�
• Checkthesignallevelandqualityinthe
DTV Manual
Tuning
menu�
• Ifyouuseanykindofampliertoboostthesignallevel,
check whether it is working correctly, and ask for help
from the aerial installer�
No picture
• Use the
DTV Manual Tuning
menu to rescan this channel�
• Tryanotherchannel.
• Reduce
RF
ampliergainifconnectedto
RF
booster�
No sound from DIGITAL AUDIO
• Thesoundmaybemuted.Press
2
+,
2
–
or
U
�
• Use the
DTV Manual Tuning
menu to rescan this channel�
• Tryanotherchannel.
Not all channels are available after Auto Tuning
when tuning the TV for the first time.
• Thissymptomiscausedbyunexpectedfrequencyoffset.
• Usethe
DTV Manual Tuning
menu to scan for the
missing channels� Once the TV picks up the signal, all the
transmission parameters will be stored in internal memory�
Cannot lock signal when using Manual Tuning
• Refertothesolutionsfor“Poorpicture”.
No Teletext, no Subtitles
• Make sure the channel that you are watching carries Teletext/
Subtitles information by checking the on-screen information�
Cannot receive channels after moving the TV
between cities (e.g. from Melbourne to Sydney)
• Refertopage13toresetdata.
Programme Timer does not operate properly.
• Checktheaerialconnections.
• Weaksignalmaycauseinaccuratetimeinformation.
Do not remember PIN (See the PIN Setting menu step 1)
• UsetheMasterPIN(codeof1276),thenchangetoa
number of your choice� Ensure that no-one else can use
the Master PIN by removing the Owner’s Manual�