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Troubleshooting

32

Symptoms

Check item

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This may be caused by obstruction to the antenna due to high rise 
buildings or hills. Using a highly directional antenna may improve the 
picture.

Ghost or double images

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Check that the  AC power cord is plugged into the mains socket.
Unplug the power cord, wait for 60 seconds. Then re-insert plug into 
the mains socket and turn on the unit again.

No power

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Check antenna connections at the rear of the unit to see if it is 
properly connected to the unit.
Possible broadcast station trouble. Try another channel.
Adjust the contrast and brightness settings.
Check the Closed Captions control. Some TEXT modes could 
block the screen.
Select a correct input.
Is a non-compatible signal being input?

No picture

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Increase the VOLUME.
Check that the unit is not muted.
Check Whether the sound is output to headphone

Good picture but no sound

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Adjust the contrast, color and brightness settings.

Good sound but poor color

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Sometimes, poor picture quality occurs when having activated an S-
VHS camera or camcorder connected and having connected 
another peripheral at the same time. In this case, switch off one of 
the other peripherals.
Check whether the room is too bright

Poor picture

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Check the antenna connection.

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This may be caused by electrical interference (e.g. hairdryer, nearby 
neon lights, etc.)
Turn off the equipment.

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Check whether the batteries are working. Replace if necessary.
Clean the remote control sensor lens on the unit.
Do not use the remote control under strong or fluorescent lighting.
The batteries should be inserted with polarity (+, -) aligned.

Snowy picture and noise

Horizontal dotted line

Television not responding to
remote control

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Check if you have selected the correct VGA mode in your PC.

No stable or not
synchronized VGA picture

If your problem is not solved, restart your TV by turning it off and then on again once.
Never attempt to repair a defective TV yourself.

Note:

No output from one
of the speakers

!

Adjust Sound Balance.

Before calling for repair service, check the following items for possible remedies to an 
encountered symptom.

Содержание LC-20H3

Страница 1: ...LCD TV Operating Manual Before connecting operating or adjusting this product please read the manual completely Please keep this manual for future reference LC 20H3 ...

Страница 2: ...l may differ from the actual model Overview 3 Important safety information 4 Important safety cautions 5 Accessories 7 Identification of controls 8 Control buttons 8 Back 9 Remote control 10 Installation 12 Basic operations 20 Main on screen display OSD introduction 21 2 Operations 22 Picture adjustment 22 System setting 23 Audio setting 28 Channel setting 30 Selecting channel 32 OSD setting 33 Ti...

Страница 3: ...n 16 7 million colors This Audiovox product incorporates a tilt stand that can be removed for easy wall mounting The wall mounting compatibility of this product is completed by incorporating a VESA 100 wall mount standard bolt configuration A separate VESA 100 compatible wall mount kit will be required to properly secure the unit to the wall This units has a great viewing angle allowing the unit t...

Страница 4: ...ainst harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications If this equipment does cause or receive interference which can be determined by turning equipment off and on the user is encouraged to try to correct the...

Страница 5: ...0 Cforworking The vents and other openings in the cabinet are designed for ventilation Do not cover or block these vents and openings since insufficient ventilation can cause overheatingand orshortenthelifeoftheproduct Donotplacetheproductonabed sofa rugorothersimilarsurface sincetheycan blockventilationopenings This product is not designed for built in installation do not place the product in an ...

Страница 6: ...sure that the service person uses replacement parts specified by the manufacturer or those with the same characteristics and performance as the original parts Use of unauthorized parts canresultinfire electricshockand orotherdanger For added protection for this television equipment during a lightning storm or when it is left unattended and unused for long periods of time unplug it from the wall ou...

Страница 7: ...nimum viewing level DO NOT display the fixed image for extended periods of time Turn the power OFF when not in actual use Recycling This product utilizes tin lead solder and has a fluorescent lamp containing a small amount of mercury Disposal of these materials may be regulated in your community due to environmental considerations For disposal or recycling information please contact your local aut...

Страница 8: ...items 4 VOL Increase or decrease the sound volume level In OSD Menu press these buttons to adjust the value or setting of each item 5 POWER Press this button to turn the unit ON from STANDBY mode Press it again to turn the set back to STANDBY SOURCE MENU CH VOL and POWER on the main unit have the same functions as the corresponding buttons on the remote control This operation manual provides a des...

Страница 9: ... player 4 Headphone 3 5mm jack 5 AV outputs Video Audio L R Connect to the VCR input jacks to record programs DC 12V VGA PC AUDIO PHONE S VIDEO L R Y Pb Pr L L R R AUDIO AUDIO AUDIO AV OUT AV IN HDTV IN VIDEO VIDEO 7 S Video input Receive a S Video signal from external source such as VCR or DVD player 6 AV inputs Video Audio L R Receive video audio signals from external sources such as VCR or DVD ...

Страница 10: ...elector Select the input signal source Setting sleep timer Exit the menu Sound preset mode selector Change audio to mono stereo or SAP Volume up down selector In the menu operation adjust the selected item Access the menu 10 Select OSD menu position Adjust the bass Adjust the treble Flip the cover open in the arrow direction Select picture mode between Bright Nature Soft User S M ...

Страница 11: ... batteries are exhausted or if they have been installed properly 7 When direct sunlight and incandescent lighting fluorescent lamp or any other strong light shines on the remote sensor of the TV the remote operation can be come erratic 8 Do not mix different types of batteries in the remote 11 Batteries for the Remote Control If the remote control fails to operate the LCD TV functions replace the ...

Страница 12: ...e antenna jack OR If your combination antenna has a 300 Ohm twin lead wire use a 300 75 Ohm matching transformer NOT SUPPLIED Connect the UHF twin lead wire to a combiner NOT SUPPLIED Connect the VHF twin lead to a 300 75 Ohm matching transformer NOT SUPPLIED Attach the transformer to the combiner Attach the combiner to the antenna jack Connect the 75 Ohm cable from the VHF antenna and the UHF ant...

Страница 13: ...an electronic supply store Follow the connections shown below With the switch in the B position you can directly tune any nonscrambled channels on your TV With the switch in the A position tune your TV to the output of the converter descrambler box usually channel 3 or 4 and use the converter descrambler box to tune scrambled channels Cable CATV satellite connections This TV has an extended tuning...

Страница 14: ...he DC power input of the set 3 Connecting the male plug to the wall outlet as illustrated Note This product should only be operated with the type of power source marked on the lable on the unit Always unplug theAC adapter from the product and power outlet when the LCD TV is not in use for an extended period of time of time The illustration of power cord and power outlet is only for your reference ...

Страница 15: ...Elevation adjustment You can adjust the angle of the LCD TV as follows o o The elevation can be adjusted from 5 to 10 average 15 Installation continued 10 5 ...

Страница 16: ...TV to AV mode S VIDEO Signal Connection Connect the S video terminal on the TV to the output of AV equipment using a S video cable If you select S video signal please set the input signal source of LCD TV to SVIDEO mode To video output To video input To audio outputs To audio inputs 16 RF DC 12V VGA PC AUDIO PHONE S VIDEO L R Y Pb Pr L L R R AUDIO AUDIO AUDIO AV OUT AV IN DTV IN VIDEO VIDEO w R Y ...

Страница 17: ...otes 1 The native display resolution is 640 x 480 If the signal resolution exceeds this resolution it may not be possible to show fine detail with sufficient clarity 2 We strongly recommend that you set the refresh rate on the PC to 60Hz If you set it above 60Hz the unit may not display correctly Control Panel Display Settings 3 Use OSD to make final image adjustments 17 Audio cable VGA cable RF D...

Страница 18: ...volume How to record the TV program How to enjoy high quality sound by Audio amplifier Connect the video audio output terminals on the TV set to the signal input terminals of the VCR equipment or the video audio input terminals on otherTV set through a video audio cable Connect the audio output terminals on theTV set to theAudio amplifier through audio cable 18 R L VIDEO AUDIO W W Y Y R R W W Y Y ...

Страница 19: ...W R R S VIDEO AV OUT R L VIDEO AUDIO Rear of the STB DVD L R AUDIO W W Y Y R R G G B B Yellow video white audio L red audio R Pr Green Y Blue Pb R R G G B B W W R R R R G G B B AUDIO ANT Set Top Box DVD player etc RF DC 12V VGA PC AUDIO PHONE S VIDEO L R Y Pb Pr L L R R AUDIO AUDIO AUDIO AV OUT AV IN DTV IN VIDEO VIDEO Y Pb Pr Audio cable Video cable Notes The Y Pb Pr outputs on your DVD player ar...

Страница 20: ...it quickly The interval of the turning on and turning off should be more than 5 seconds With the power on press the POWER button to turn off the TV and put theTV in STANDBYmode the indicator LED will turn to red 1 Press the SOURCE button on the unit or button on the remote control The screen displays the menu as shown on the right 2 Press CH5 6 to highlight your desired input signal source Press V...

Страница 21: ...timeout bass add erase add erase fine tune tint V chip settings treble balance 50 50 50 50 5000K 7300K 9300K user 50 50 15 866 0 0 0 18 0 32 video type 650 X 462 60Hz resolution 640 X 480 60Hz mode 3 mode 40 language OSD position OSD background opaque 30 seconds translucent OSD timeout on off mono stereo SAP SRS MTS bass treble balance 0 0 0 channel search 48 backlight 6 Back light 6 Note in AV S ...

Страница 22: ...cture s brightness To adjust picture s contrast To adjust picture s color To adjust picture s sharpness 0 100 0 100 0 36 tint To adjust picture s tint 32 31 0 63 soft bright user 1 2 3 nature Picture adjustment 22 brightness contrast color sharpness 50 50 19 tint 0 32 Bright Select for a bright picture Nature Select for a standard picture Soft Select for a soft picture NOTE Setting the unit to a B...

Страница 23: ...een displays static when there is no signal Note Only when the blue screen is on the set will turn off automatically after 15 minutes if there is no signal System setting blue screen on CC 1 ccd mode settings V chip settings backlight 6 1 2 3 Press CH5 6to select backlight item Press VOL to adjust the backlight brightness Access the System Setting menu 1 2 3 blue screen on CC 1 ccd mode settings V...

Страница 24: ...aption without text 1 Access the System Setting menu 2 Press CH5 6to select V Chip settings item 3 Enter the password using the keypad to access the V chip sub menu The default password is 1234 and you should change the password after you access the sub menu 4 Press CH5 6to select Vchip global setting item Use VOL to select disable or enable If you select enable the function is activated If you se...

Страница 25: ...harmful Movie Ratings NONE G andAbove general audience PG andAbove parental guidance suggested PG 13 andAbove 13 years and up R andAbove restricted NC 17 andAbove 18 years and up X adult If you set PG 13 G and PG movies will be available and PG 13 R NC 17 and X will be blocked 25 1 1 2 2 TV Ratings NONE YandAbove all children individual content categories do not apply Y7 7 years and up G and above...

Страница 26: ...an English blocking item 5 6 Canadian English Language Ratings E Exempt C Children C8 Children 8 years and older G General programming suitable for all audiences PG Parental guidance 14 Viewers 14 years and older 18 Adult programming 26 V Chip enables parents to prevent their children from watching inappropriate material on TV V Chip reads the ratings for programming except for news sports unedite...

Страница 27: ...elect desired rating Press CH button to select change password item Input a new 4 digit password by using the keypad on the remote 5 6 1 1 2 2 27 System setting V Chip Sub menu Next time when you want to access the V chip menu you will use your new password Make sure to remember the password Vchip global setting enable movie blocking TV blocking TV block setting change password Y E E Canadian Engl...

Страница 28: ...g the sound mode on off mono stereo SAP SRS MTS bass treble balance 0 0 0 Access the Audio Setting menu Press CH5 6 to select MTS item Press VOL to select mono stereo or SAP secondary audio program You can also directly press STEREO button on the remote control to select the MTS The MTS mode changes as follows Movie Select for a movie program Music Select for a music program News Select for a spee...

Страница 29: ...tly and you can also press theTreb buttons on the remote control to adjust the treble directly The SRS symbol are trademark of SRS Labs Inc SRS technology is incorporated under license from SRS Labs Inc 1 on off mono stereo SAP SRS MTS bass treble balance 0 0 0 2 3 1 2 3 Access the Audio Setting menu 1 2 3 on off mono stereo SAP SRS MTS bass treble balance 0 0 0 on off mono stereo SAP SRS MTS bass...

Страница 30: ...antenna or cable Please access the Channel Setting menu first Auto Search 1 1 2 3 2 In Channel Setting menu press CH button repeatedly to highlight channel search item 5 6 Press VOL to start Auto Search All active channels will be preset and stored into the memory automatically 30 channel number 9 antenna cable antenna cable add erase add erase fine tune channel search 48 channel number 9 antenna ...

Страница 31: ...l then access the Channel Setting menu press VOL to select add When you press CH to change channels the channel will be present 5 6 31 Please access the Channel Setting menu first Fine tuning 1 2 In Channel Setting menu press CH button repeatedly to highlight Fine tune item 5 6 Press VOL to fine tune to achieve best picture and sound channel number 9 antenna cable antenna cable add erase add erase...

Страница 32: ...o select one digit channel numbers Input the channel using the 0 9 number button then press Channel Enter button to confirm 2 To select two digit channel numbers 3 To select three digit channel numbers Note The period between presses should be within 2 seconds You can press DSP button to Know current channel number information Selecting channel S M Operations continued Input the channel using the ...

Страница 33: ...u Press CH to select the OSD timeout item 5 6 Press VOL to set the timeout 5 10 15 20 25 30 35 40 45 50 55 60 seconds Setting the language of the menu Setting the position of the menu Setting the background of the menu Setting the OSD timeout language OSD position OSD background opaque 30 seconds translucent OSD timeout 2 3 1 2 3 1 2 3 1 33 language OSD position OSD background opaque 30 seconds tr...

Страница 34: ...enu Press CH5 6 or VOL repeatedly to set sleep time between 0 10 20 30 60 90 120 180 240 minutes If you select 0 minute the sleep timer function is turned off Press the SLP button again to exit the menu sleep timer 30 minute Timer setting 34 S M Operations continued ...

Страница 35: ...the signal source is selected SOURCE TV AV SVIDEO YPbPr YCbCr VGA When VGA signal format is changed or when you switch to VGA mode from another source the unit adjusts frequency and phase automatically to obtain the best display During the process of auto correction the screen displays Analog RGB Acquiring Signal and all buttons on the set and on the remote control do not work until this process i...

Страница 36: ...temp setting item and press VOL to access the sub menu Press CH5 6to select the item and press VOL to adjust it The value you set will be stored Item Function Notes brightness contrast Adjust the brightness of the picture Adjust the contrast of the picture Adjusting the picture under VGA mode Will Not affect the display settings in the TV AV mode user red user green user blue 50 50 50 1 2 3 4 5 br...

Страница 37: ...color Sometimes poor picture quality occurs when having activated an S VHS camera or camcorder connected and having connected another peripheral at the same time In this case switch off one of the other peripherals Check whether the room is too bright Poor picture Check the antenna connection This may be caused by electrical interference e g hairdryer nearby neon lights etc Turn off the equipment ...

Страница 38: ...s Dimensions inches 25 3 W x 8 3 D x 17 4 H Weight lbs 23 Screen 20 TV system channel coverage SYSTEM VHF UHF CATV NTSC M 2 13 14 69 1 125 Color system NTSC Speaker output 8W 8ohm Accessories Instruction manual X 1 Power cord X 1 AV cable X 1 Audio cable X 1 Remote control X 1 AAA batteries X 2 Adapter X 1 Note Design and specifications are subject to change without notice Specifications 33 ...

Страница 39: ...PRINTED IN RECYCLED PAPER 604 L20H33 02 128 7135A ...

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