Troubleshooting, Problems | Humax L3040 instruction

Troubleshooting

•Before you call a service technician, please review this list of problems and possible solutions. It may save you time and money.

Problems

No Power

Poor or no picture

Poor or no Sound

No image on a specific channel

TV shuts off

Closed Caption does not working

V-CHIP does not working properly

No CATV reception

Remote control does not working

Sometimes there is a rapping sound in the middle of viewing or after viewing

Possible Solution

Make sure the power cord is connected to the AC outlet. Make sure the power cord is connected to a wall socket correctly.

Check all wire connections.

Check for source of reception disturbance.

Try another channel.

Check CATV connection or VHF/UHF ANT.

At PC(RGB) mode, check the resolution.

- The best resolution for this LCD TV is 1024 x 768, 60Hz.

Try another channel.

Press Mute button again on the remote control.

Press the VOL ▶ button to increase the volume. Check CATV connection or VHF/UHF ANT.

Make sure the channel selection is correct.

Change the antenna direction to the right or left. Adjust the fine tuning of the channel.

Set sleep timer to “OFF”.

Try another channel.

Press the CAPTION button on the remote control.

Set the Block item “ON”.

V-CHIP does not work in the PIP(picture in picture) Set the ratings as desired.

Set TV/CATV to CATV.

Batteries could be weak. Replace the batteries to a new ones.

Locate the LCD TV at least one meter away from fluorescent lights.

Clean the transmission window of the remote control.

This could be caused by the deflation or expansion of plastic products due to a change in the surrounding environment, such as humidity, temperature etc.

When you turn the LCD TV on and off, a rapping sound indicates a high voltage charge/discharge in the LCD TV. Please note that this is not a defect.

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Humax L3040 owner manual Troubleshooting, Problems

Contents

L3040 Page Important Safety Instructions Class B digital device Important Safeguards for You and Your New Device LCD Cells User Instructions Recommendation to Avoid or Minimize Phosphor Burn-in Table of Contents Part Names and Functions Front View Rear View Checking parts Battery Installation and ReplacementChecking Parts Connecting VHF and UHF Antennas Connection Connecting a VCR Composite Video Connecting a VCR S-Video Connecting a DVD player Component Video Connecting a DTV Receiver Component Video Connecting a DTV receiver DVI Connecting a PC DVI To watch the PC screen Connecting a PC RGB Remote Control Buttons LCD Window Feature LCD window feature How to Control Other Brand Products Case Setting Up the MBR How to Confirm the MBR Code Confirming the MBR Code in Your Remote Control How to Set Up the Fixed Buttons Punch Buttons Punch Buttons Reset How to Reset the Remote Control Viewing the OSD Menu Basic operationTurning the LCD TV On and Off Displaying Status Information Selecting your Language Setting up Channels Automatically ChannelAdding and Erasing Channels SEL Using the LNALow Noise Amplifier Fine Tuning Channels Direct Access Features Using the FAV button to select the previous channelAdjusting the Volume Switching the Sound Off Temporarily Selecting a Device from External Sources Source Picture Changing the Picture standardCustomizing the Picture Select an option Contrast , Brightness , Sharpness , Color Changing the Sound Standard Customizing the Sound Sound Setting the BBE ModeSetting the Surround Effect Using the Auto VolumeAVL Selecting the Stereo Sound Setup Changing the Screen Size Protecting Screen burnLong Life Select an option Auto Pixel Shift, lnverse, Screen Wiper Setting the Clock Press Button to adjust the volume level Or TEXT2 Setting the Sleep TimerViewing the Closed Captions Factory Reset Icon PIPPicture In Picture Viewing the Picture In PictureFreezing the Sub-Picture Select a Type Small , Double1 , Double2 , or Large Operating conditions of PIP DVD/480i Setting the OSD Time Out Changing the OSD Position Chip Operation What is the V-CHIP?General Procedure Chip Menu Blocking Menu Mpaa Motion Picture Association of America Mpaa Ratings Content Labels TV Parental Guide Rating TV-YAll children TV-Y7FV Directed to older childrenTV-GGeneral audience TV-PGD/L/S/V Parental guidance suggested TV-MAL/S/V Mature audience only Changing the PasswordTV-14D/L/S/V Parental caution recommended Display Settings How to Set Up Your Display Setting for Windows Dot x Line Vertical Horizontal DDC Protocol Picture Color Adjustment Adjusting RGB Color Picture Position Adjustment Frequency AdjustmentFine Tuning of the Image Changing the image position Phase Adjustment Automatic Quality AdjustmentAdjusting Phase Adjusting the PC Screen Automatically Using the Hyper terminal Serial Control Using RS-232CInstalling Hyper terminal File Preference Setup Ascii Setup dialog window General RS-232C command structure Mode Command Remark Troubleshooting Problems Specifications Model Name L3040 Manufacturer MBR Codes Manufacturer Code Aiwa DVD How to Set Up the Lockout Function Appendix Memo Memo KQF1T422Z3