Generaltroubleshooting - Toshiba 55VX700U Owner's Manual

Generaltroubleshooting
Before calling a service technician, please check this
chapter for a possible cause of the problem and some
solutions you can try.
Black boxonscreen
• Theclosedcaption featureis setto oneof the Text
modes(T1,T2,T3,or T4).Settheclosedcaptionfeature
to Off(_- p. 34).
TV stops responding to controls
• If the W stops responding to the remote control or TV
control panel and you cannot turn off the TV, press and
hold the POWERbutton on the W control panel for5 or
more seconds to reset the TV.
Other problems
• If your TV's problem is not addressed in this
Troubleshooting section or the recommended solution
has not worked, use the Reset Factory Defaults
procedure (_-,yp. 44).
TV will not turn on
• Ensure the power cord is plugged in. Press P%E..
• Replace the remote control's batteries.
• Try the control panel buttons.
Picture problems
General picture problems
• Check the antenna/cable connections (_-_-_ Chapter 2 ).
• Press_) on the remotecontrol or the TVandselecta
validvideoinputsource(_-_--_ p. 33). If no deviceis
connected to a particularinputonthe TV,no picture
appears whenyouselectthatparticular i nputsource.For
device connection details,seeChapter2.
• Antenna reception may bepoor.Useahighlydirectional
outdoorantenna (if applicable).
• Thestationmayhavebroadcast d ifficulties.Tryanother
channel.
• Adjustthe picturequalities(u-_-_ p. 48).
Video Input Selection problems
• If theInputSelection windowdoesnotappear w henyou
press_) on the remote controlor the TVcontrolpanel,
press_)a second time.TheTVdisplaysthenextvideo
inputsourceandthe InputSelectionscreen.
Cannot view external signals or channel 3 or 4
• If you cannotviewsignalsfrom external d evices
connected to VIDEO 1, VIDEO 2, ColorStream HD1,
ColorStream HD2,HDIVII 1, HDIVII 2, HDMI3, HDMI4,
PCor from channels 3 or4, ensuretheInput Lock isset
to Off(_-_-_- p. 37).
Poor color or no color
• Thestationmayhavebroadcast d ifficulties.Tryanother
channel.
• Check the Inputmodewhenyou use Shared Inputs(_-_-_
p.30).
• Adjustthe Tintand/orColor (_-_-_ p.48).
Poor composite picture
• Ifthe TVisconnected to anexternal A N device (e.g.DVD
player, v ideogamesystem, s et-topbox,etc.)try usinga
ColorStream or HDMIvideoconnection instead.
Picture and sound are out of sync
• Aswithall productsthatcontaina digitaldisplay,this
mayoccurin rareinstances, w henviewingcertain
content(e.g.television broadcasts, videogames,DVDs).
Thecausemay include, w ithoutlimitation,video
processing withinthe TV,video processing in an
attached gamingsystem, a ndvideoprocessing or
differentcompression ratesusedby broadcasters i n
theirprogramming. T rytheseprocedures:
- If the TVis connected to anAN receiver t hathasa
programmable audiodelayfeature,usethisfeature
to helpsynchronize the soundto the picture.
- If the problemoccursonlyon certainTVchannels,
informyour localbroadcast, c able,or satellite
provider.
Sound problems
• Check the antenna/cable connections (_--_Chapter 2).
• The station may have broadcast difficulties. Try another
channel.
• The sound may be muted. Press VOLUME.
• If you hear no sound, try setting the MTS feature to
Stereo mode (_-_-_ p. 53).
• If you are not receiving a second audio program from a
known SAPsource, make sure the MTS feature is set to
SAP mode (_-_-_- p. 53).
• If you hear audio that seems incorrect for the program
you are watching (such as music or aforeign language),
the SAP mode may be on. Setthe MTS feature to Stereo
mode (_-,_p. 53).
• If you connect a PCusing either the PC IN terminal or an
HDMI terminal, ensure that the Side Shared Audio
setting is properly set (_-_-_- p. 41).
Remote control problems
Ensure the remote control is setto the correctdevice
mode(_-_--_ p. 85).
Remove all obstructions between theremotecontrol a nd
theTV.
Replace the remote control'sbatteries (_-,_p. 23).
YourTV'sremotecontrolmaynot operate certain
featureson yourexternal d evice.Referto the owner's
manual f or your otherdeviceto determineits available
features.If yourTVremotecontroldoesnot operate a
specific featureon anotherdevice,usethe remote
controlthatcamewith the device(_-_-_ p.88-93).
If the TVstill doesnot actasexpected, u sethe Reset
Factory Defaultsprocedure (_-_--_ p. 44).
Channel tuning problems
• Ensure the remote control is set to the correct device
mode (_-,_p. 85).
• The Ante Tuning feature may have erased the channel
from memory. Add the channel to the channel memory
(_.y p. 28).
• The Lockfeature may have blocked the channel. Unblock
the channel (_-_-_ p. 37).
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