Technika 32-630 manual Display Troubleshooting, Sound and TV Troubleshooting

Page 53

Troubleshooting

Please check for causes of problems in accordance with the following chart before contacting any maintenance personnel.

DISPLAY TROUBLESHOOTING

Symptom

Causes and Correction

 

 

 

Check whether power cord is correctly connected, and

Black screen, power

whether this unit is in power on.

 

indicator light off

Check whether the signal cord of input device is correctly

 

connected.

 

Check whether input device is in power on mode.

 

 

 

Check whether the input device signal is in this unit's

 

specification

 

 

Image display flicker,

Check computer output mode: control panel-display-setup

If the setup does not accord with this unit's specification,

unstable

please change the display setup

 

 

 

 

Hor scanning frequency: 30kHz ~ 75kHz

 

Ver scanning frequency: 50 Hz~75Hz

 

 

SOUND AND TV TROUBLESHOOTING

 

Symptom

Causes and Correction

 

 

 

 

 

 

Cannot power on

Please make sure the power cord is connected correctly.

 

 

 

 

 

 

 

Please make sure the audio cord is connected correctly.

 

 

No sound

 

 

 

Check volume.

 

 

 

 

 

 

 

 

 

 

Make sure there is nothing plugged into the headphone jack.

 

 

 

 

 

 

 

Check volume.

 

 

Volume too low

 

 

 

If volume is still too low when adjusting volume to maximum,

 

 

 

 

 

 

please check whether the input device is correctly set.

 

 

Snowy picture

Input antenna damaged or not correctly connected.

 

 

 

Check whether remote control batteries are functioning.

 

 

 

Check the battery installation is correct.

 

 

Remote control failure

Check whether an obstacle is between the remote control and the

 

 

 

unit's receiving window.

 

 

 

Check whether the receiving window has a strong light.

 

32" HD Ready 1080p LCD/DVD TV with USB Record User Guide

53

Image 53
Contents User Guide Page Contents Contents Hdmi IntroductionKeep these instructions Safety InformationElectrical Information Front Panel Parts IdentificationLocal Keyboard Panel Cover Side in FrontBack Panel Connecting the TV Connecting Diagram Connecting the TVCommon Interface Common Interface slotWall Mounting Wall MountingHD Ready 1080p LCD/DVD TV with USB Record User Guide HD Ready 1080p LCD/DVD TV with USB Record User Guide Battery Life Battery InstallationSelecting Source Operation Switching onLets Start DTV Setting DTV Menu SetupPVR Record key RED/GOTO PVR Remote Control KEY FunctionsPVR File system menu description PVR FunctionsDTV Menu Setup Block Programme item enables you to set the lock channel Clock Electronic Program Guide EPG PictureFunction SoundATV Setting ATV Menu SetupATV Menu Setup Auto, ZOOM1, ZOOM2 not valid for VGA mode Zoom in Teletext Teletext FunctionVideo Setting Menu Video Menu SetupU N D VGA Menu SetupA S E T T I N G C T U R E Language item enables you to select the OSD languageBrief Introduction USB OperationPlayback USB Operation Play Movie Play MusicPlay Photo Operate in Full Screen StateBrief Introduction DVD OperationFeatures Compatible Disc Types Types Sizes Recorded ContentsPlayback Volume ControlVCD, Svcd Menu Playback MemorySelect Track to Play Directly by Number Buttons Select LANGUAGE/AUDIORepeat Playback of Selected Segment Repeat PlaybackPlay from the Desired Position Fast PlaybackSelect track Zooming the Displayed FrameMPEG4 and Jpeg File Playback Play MPEG4 file Please press effective button again Sound DVD SettingPicture General Setup DVD Function SetupOff,10min,20min,30min,60min,120min,180min and 240min FunctionSound and TV Troubleshooting TroubleshootingDisplay Troubleshooting DVD Troubleshooting 24BIT SpecificationsTV/DTV — Analogic RGB Format Table Display ModeAdditional Information Care and Maintenance