LG Electronics M3203C, M3703C manual Audio function does not work

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Troubleshooting

The audio function does not work.

●No sound?

●Sound is too dull.

●Sound is too low.

•See if the audio cable is connected properly.

•Adjust the volume.

•See if the sound is set properly.

•Select the appropriate equalize sound.

•Adjust the volume.

Screen color is abnormal.

●Screen has poor color resolution (16 colors).

●Screen color is unstable or mono- colored.

●Do black spots appear on the screen?

•Set the number of colors to more than 24 bits

(true color)

Select Control Panel - Display - Settings - Color Table menu in Windows.

•Check the connection status of the signal cable.

Or, re-insert the PC video card.

•Several pixels (red, green, white or black color) may appear on the screen, which can be attributable to the unique characteristics of the LCD panel. It is not a malfunction of the LCD.

The operation does not work normally.

●The power suddenly turned off.

•Is the sleep timer set?

•Check the power control settings.

Power interrupted.

•"CAUTION! FAN STOP!"

If the power is turned off after this message appears, it means that the fan is out of order. In this case, contact your local service center.

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Contents M3203C M3703C Connecting the stand PartsConnecting the Speakers To install Portrait Using the Remote Control Name of the Remote Control ButtonsUsing the Remote Control Name and Function of the Parts Rear ViewConnecting to External Devices When Connecting to your PCConnecting to External Devices Input SETWhen using the LAN Switch ProductDaisy Chain Monitors Vesa Fdmi wall Mounting Video Input VCR/DVD ReceiverComponent Input 480p/576p/720p/1080p/1080i/480i/576i Hdtv ReceiverHdmi Input 480p/576p/720p/1080i/1080p VCR/DVD/Set-top BoxWatching AV Outputs Screen Adjustment options User MenusWhen XGA Mode is active and 1360 X768 is selected User MenusOSD Menu OSDOn Screen DisplayUse the remote control to adjust the OSD screen How to adjust the OSD On Screen Display screenHow to adjust the screen automatically When XGA Mode is active and 1360 X 768 is selectedAdjusting Screen Color Picture ModeAdjusting Screen Color Red / Green / BlueAdvanced Picture Original 149 Zoom1 Just ScanAdjust the screen video ScreenAuto Volume Balance Speaker Adjusting the audio functionSound Mode Adjusting the timer function Adjusting the timer function Power SavingSelecting the options ISM MethodDPM Select IndicatorPower Indicator Logo LightTo use this function Tile modeTile Mode RowID10 Row Size Position Reset Tile ID Natural Network Setup Sets up network information ManualIP Address Adjust Set ID and check Serial No. and SW versionSet ID Troubleshooting Maximum resolutionTroubleshooting Audio function does not work LCD Panel SpecificationsPower NetM3703C Environmental Video SignalInput Connector ConditionsDTV Mode RS-232CControlling the Multiple Product MonitorRS-232CControlling the Multiple Product A0H Transmission / Receiving Protocol PowerCommand a Input Select Command b Main Picture InputAspect RatioCommand c Main picture format Screen MuteCommand dVolume MuteCommand e Volume ControlCommand fContrastCommand g BrightnessCommand hColorCommand i Video Timing only TintCommand j Video Timing onlyRemote Lock /Key Lock Command m SharpnessCommand k Video Timing onlyOSD SelectCommand l BalanceCommand t Color Temperature Command uAbnormal state Command z ISM modeCommand j pAuto ConfigureCommand j u KeyCommand m cTile ModeCommand d d Data DescriptionTile H PositionCommand d e Tile V PositionCommand d fTile H SizeCommand d g Tile V SizeCommand d hPicture Mode Command d Tile ID SetCommand dNatural Mode In Tile mode Command d j Sound Mode Command d y Fan Fault check Command d wLamp fault CheckCommand d p Elapsed time returnCommand d lTemperature value Command d n Auto volume Command d u Speaker Command dTime Command f a On Timer On/Off Timer On, Off Command F b Off Timer On/Off Timer On, Off Command f cOn Timer On/Off Timer Time Command f d Off Timer On/Off Timer Time Command f e Sleep Time Command f f Auto Sleep Command f gPower On Delay Command f h Language Command fDPM Select Command f j Reset Command f kPosition Command f q Power savingCommand fPower Indicator Command f o Position Command f r Size Command f sSize Command f t Scheduling Input select Command f u Main Picture Input Serial no.Check Command f y54. S/W Version Command f z Input Select Command x bConfiguration of frame Output waveformRS-232C