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30

Troubleshooting 

Condition

explanation / Solution

no picture

No picture

Check the Power Saving settings. 

Cannot receive any channels

Make sure the power cord is connected securely. Turn on the power of the TV. 

Check antenna/cable connections. Make sure the Cable setting is correct for your TV signal source. 

TV is locked to one channel

Perform Auto Program to add receivable channels that are not present in the TV’s memory.

Cannot receive or select

Perform Auto Program to add receivable channels that are not present in the channels TV’s memory. 

To receive or select cable channels, make sure that Cable in the Channel settings is set to On. To 

receive or select UHF channels over an antenna, make sure Cable is set to Off. 

The TV turns off

Check if Sleep Timer is activated, or confirm the Duration setting of Timer automatically.

Check PC Power Management in General Settings.

No picture from some video

Check the connection between the optional video equipment and the TV Sources. 

Press INPUT on the remote control.

Select your desired input from the External Inputs list.

poor picture

The quality of the images is not 

as good as what I saw at the 

store

Picture quality depends on the signal content. See Quick Setup Guide (supplied) to display the best 

possible picture for that signal. 

Double images or ghosts

Check antenna/cable connections.

Check the antenna location and direction. 

Only snow and noise appear on 

the screen

Check if the antenna is broken or bent; Check if the antenna has reached the end of its serviceable life. 

(3-5 years in normal use, 1-2 years at the seaside.)

Dotted lines or stripes

Keep the TV away from noise sources such as cars, motorcycles, or hair-dryers.

If using 300 ohm twin lead, move the excess lead away from the TV or try using 75 ohm coaxial cable 

instead.

No color/Dark picture/Color is not 

correct/The picture is too bright

Press PICTURE to select the desired Picture Mode; Adjust the Picture Mode options in the Picture 

settings.

Noisy picture

Make sure that the antenna is connected using a 75-ohm coaxial cable. 

Keep the antenna cable away from other connecting cords. 

To avoid TV interference, make sure to use an undamaged antenna cable.

no sound/noisy sound

Good picture, no sound

Check the volume control. Press MUTE or VOL + so that 

 

disappears from the screen.

Disconnect your headphones. 

For HDMI equipment, confirm that the audio output setting of the connected equipment is set to PCM. 

Audio noise

Make sure that the antenna is connected using a 75-ohm coaxial cable. 

Keep the antenna cable away from other connecting cords. 

To avoid TV interference, make sure to use an undamaged antenna cable.

pC Input

No Picture / No Signal

Confirm the PC is correctly connected to the TV with either the PC IN (with an HD15 cable) or with the HDMI IN. 

Ensure the output signal from the PC is one of the formats listed 

in the Input Signal Reference Chart

Turn the PC off. Confirm the PC connection and restart the PC. Plug and play will auto-detect the TV 

and correctly set up PC timing. 

Verify PC Power Management is activated.

Poor Picture

Adjust the resolution. Adjust Pitch and Phase.

Wide Mode changes 

automatically

The current Wide Mode setting is automatically replaced with the 4:3 

Default setting when you change the channel or video input, if 4:3 Default in the Screen settings is set 

to other than Off. If you want to lock in Wide Mode selected with WIDE on the remote control, set 4:3 

Default to Off in the Screen settings.

Check the Auto Wide option in the Screen settings.

Suddenly the picture gets smaller

The picture gets smaller during the commercials, this is due to the method the provider broadcasts their 

contents. When HD content channels switch to SD definition content (commercials), the picture may be 

small with a black border.

“Black box” on screen 

You have selected a text option and no text is available. To turn off this feature, set the CC Display 

option to Off. If you were trying to select closed captioning, select CC1 instead of Text1-4. 

Black bands appear at the edges 

of the screen 

Some wide screen programs are filmed in aspect ratios that are greater than 16:9 (this is especially 

common with theatrical releases). Your TV will show these programs with black bands at the top and 

bottom of the screen. For more details, check the documentation that came with your DVD (or contact 

your program provider). Programs in 4:3 aspect ratio will have bands on left and right sides of the 

screen.

Condition

explanation / Solution

pC Input

Certain programs on DVD or 

other digital sources display a 

loss of detail, especially during 

fast-motion or dark scenes 

This is due to the digital compression of the source content used by certain digital broadcasts and 

DVDs which may cause your TV’s screen to display less detail than usual, or cause artifacts (small 

blocks or dots, pixilation) to appear on your screen. These signal compressions are more visible and are 

dependent on the clarity and resolution of the television. 

Remote control does not operate

Check the polarity of the batteries or replace the batteries. 

Point the remote control at the remote control sensor located at the front of the TV. 

Fluorescent lamps can interfere with your remote control operation; try turning off the fluorescent lamps. 

Keep the remote control sensor area clear from obstacles.

English

Summary of Contents for LE24H138

Page 1: ...and recommendations in this manual and in any guides or related documents are believed reliable but the accuracy and completeness thereof are not guaranteed or warranted and they are not intended to be nor should they be understood to be representations or warranties concerning the products described ...

Page 2: ...ng Batteries into the Remote control 12 Attaching the Base 12 Wall Mounting 12 Connecting TV 13 Cable System or VHF UHF Antenna System 13 High Definition Interface 13 HDMI Connection 13 Component Signal Connection 13 Composite S Video Signal Connection 14 PC Connection 14 External sound Connection 14 PC Input Signal Reference Chart 15 Video Input Signal Reference Chart 15 USING AOC TV 16 Turning t...

Page 3: ...Usage Instructions below Please keep the factory default settings as shipped in which the product can meet Energy Star requirements Important Safety Instructions 1 Read these instructions 2 Keep these instructions 3 Heed all warnings 4 Follow all instructions 5 Do not use this apparatus near water 6 Clean only with a dry cloth 7 Do not block any the ventilation openings Install in accordance with ...

Page 4: ...nufacturer as they may cause hazards Wall Mount Wall Mount installation requires the use of a Wall Mount Bracket When installing or removing the TV using a Wall Mount Bracket be sure to use qualified contractors If not properly secured during installation or removal from the Wall Mount Bracket the TV may fall and cause serious injury For use only with UL Listed Wall Mount Bracket with suitable wei...

Page 5: ...en glass may break by the impact and cause serious injury If the surface of the TV cracks do not touch it until you have unplugged the AC power cord Otherwise electric shock may result Handling of broken glass and liquid crystal leakage If the LCD LED panel gets damaged crystalline liquid leakage may occur or scattered broken glass may result Do not touch broken glass or crystalline liquid which i...

Page 6: ...rding to the National Electrical Code ANSI NFPA 70 Antenna lead in wire Antenna lead in wire Antenna discharge unit Grounding conductors Ground clamps Electric service equipment Ground clamps Power service grounding electrode system Batteries Do not dispose of batteries in a fire Do not short circuit disassemble or overheat the batteries Danger of explosion if battery is incorrectly replaced Repla...

Page 7: ...on a bed sofa rug or other similar surface Never place the TV in a confined space such as a bookcase or built in cabinet unless proper ventilation is provided Leave some space around the TV set as shown below Otherwise air circulation may be inadequate and will cause overheating which may cause a fire or damage to the TV set Install on the wall 4 inches 10 cm 4 inches 10 cm 4 inches 10 cm Leave at...

Page 8: ... good as the quality of the signal it receives To experience the stunning detail of your new AOC TV you need access to HD programming Your AOC TV can receive and display HD programming from Over the air broadcasting via HD quality antenna HD cable subscription HD satellite subscription Blu ray Disc player or other external equipment Contact your cable or satellite provider for information on upgra...

Page 9: ...9 English Contents in the Box After unpack the TV box please check the TV and all accessories are well presented and undamaged ...

Page 10: ...adapter jack and connect the audio jack to the PC AUDIO IN jacks of HDMI IN DVI to HDMI cable DVI to HDMI adapter HDMI connection is necessary to view 480i 480p 720p 1080i and 1080p formats Be sure to use only an HDMI cable that bears the HDMI logo PC IN RGB AUDIO Connects to a personal computer s video output connector using HD15 HD15 cable analog RGB Can also be connected to other analog RGB equ...

Page 11: ...out the input source TV channel display resolution Add Fav Add Fav No support for this product Fav FAV Channel No support for this product EPG EPG No support for this product Play Pause No support for this product Stop No support for this product Wide WIDE Press to choose the display aspect Photo No support for this product Freeze No support for this product MTS MTS Press to activate the NTSC TV s...

Page 12: ...hick and soft cloth Make sure the Table Top Stand is hanging over the edge 3 Remove the screws as shown in the illustration for your model and pull the Table Top Stand out 4 Do not remove any other screws from the TV 5 Do not remove the Table Top Stand for any reason other than to Wall Mount the TV 6 Be sure to store the removed screws and Table Top Stand in a safe place until you are ready to rea...

Page 13: ...uency interference resulting in signal degradation TV TV TUNER High Definition Interface You can enjoy high definition programming by subscribing to a high definition cable service or a high definition satellite service For the best possible picture make sure you connect this equipment to your TV via the HDMI or component video with audio input on the back of your TV HDMI Connection HDMI HDMI HDMI...

Page 14: ...This TV can also be connected to a PC with DVI or HDMI output Refer to the separate Quick Setup Guide PC VGA IN Connect the PC IN jack to the PC using the HD15 HD15 cable with ferrite core analog RGB and audio cable If the PC is connected to the TV and no signal has been input from the PC for more than 30 seconds the TV enters the standby mode automatically ...

Page 15: ...67 5 60 Video Input Signal Reference Chart After connecting the videol input to the TV set the output signal from the video input according to the chart below for 22 24 TV Presetting Video Mode Standard Resolution Horizontal kHz Vertical Hz SD 480i 15 734 60 SD 480P 31 5 60 HD 720P 45 60 HD 1080i 33 75 60 FHD 1080p 67 5 60 Standard Definition Interface You can also enjoy traditional program by usi...

Page 16: ...16 USING AOC TV Turning the TV On and Off You can turn on the TV by using power switch button on the TV set or on the remote controller Power Button English ...

Page 17: ...and press OK 3 Press to select Menu Language and press OK 4 Press to adjust 5 M U Exit EN Press MENU EXIT to exit Move Select Exit Feature Menu language Menu timeout Super contrast Sleep timer DCR Closed caption English 20S Off Off Off Off Analog caption Reset all Off No B L Control 100 English ...

Page 18: ...rograms in their normal format Zoom1 Mode Use these aspect modes to zoom in and to reduce the black bars 16 9 Mode The original content in this mode has to fill the entire screen of the display Zoom2 Mode Use these aspect modes to zoom in and to reduce the black bars English ...

Page 19: ...n the remote control directly Press the following keys to switch input source MTS CC PRECH Display EPG Wide Add Fav COMP Fav M U Exit EN COMP 2 When using Source key to choose signal source MTS CC PRECH Display EPG Wide Add Fav COMP Fav M U Exit EN 1 Press Source to call out source menu 2 Press to select input source TV CVBS YPbPr HDMI VGA 3 Press OK to enter TV CVBS YPbPr HDMI VGA English ...

Page 20: ... PAL N Note Please do not change this item after auto search action Auto search Select Auto Search to search all signaled channel when the searching is complete it stays at the first channel with signal and all channels that have been located are stored If you would like to stop Auto Search during the process simply by pressing the MENU EXIT button Fine tuning Fine tunes the frequency of current c...

Page 21: ... change channel on the remote control directly or press CH on the side of the TV to choose the channel CH 2 FM Mono 1 Press the number keys directly to change the channel PR 2 Press the CH to change channel 3 Press PRE CH to go to the previous channel PRECH ...

Page 22: ...22 English Changing Volume Mute and Sound Mode 1 Press VOL to change the volume 2 Press MUTE to mute the TV 3 Press Audio to change audio mode For more details please refer to Adjust Audio Setting ...

Page 23: ...s or darkens the picture Only in Personal mode Contrast Increases or decreases picture contrast Only in Personal mode Color Increases or decreases color saturation Only in Personal mode Not support in HDMI and PC source mode Tint Video tint adjustment Only in Personal mode Can only select with NTSC signal in TV and CVBS mode Sharpness Video sharpness adjustment Only in Personal mode Not support in...

Page 24: ...l to directly toggle the modes Bass Bass tone adjustment Only in Personal Mode Treble Treble tone adjustment Only in Personal Mode Sound mode Press to activate the NTSC TV sounds such as Stereo SAP or Mono tone It can also be accessed by pressing MTS on the remote control to directly toggle the modes Only support in TV source mode Balance Audio balance adjustment SRS SRS function on or off If on a...

Page 25: ...o adjust 5 M U Exit EN Press MENU EXIT to exit PC Setting Description Auto Adjust Auto sync PC timing to fit full screen display For detail supported timing please refer PC Input Signal Reference Chart H Position Adjusts the Horizontal position V Position Adjusts the Vertical position Clock Adjusts the Clock frequency on VGA signal Phase Adjusts the Phase on VGA signal Move Select Exit VGA V Posit...

Page 26: ...e video mode in personal Not support in PC source mode DCR Enable Disable Dynamic Contrast Ratio DCR Auto adjusts the backlight of the screen and contrast Only B L Control Adjust backlight level it is not display when the DCR is On Only support when the video mode in personal When backlight level is set too low you may see the white flash It s a normal situation Closed Captions Select a closed cap...

Page 27: ...ch Channel lock Source Lock Password setting etc and press OK to enter 6 M U Exit EN Press MENU EXIT to exit The submenu of Parental shows as below 1 Child lock Enable Disable Child lock function 2 MPAA Rating 1 Press to select MPAA and press OK 2 Select the rating you want to lock The rating you locked and all higher ratings will be locked You can select G PG PG 13 R NC 17 X or Off 3 M U Exit EN ...

Page 28: ...lish 1 Press to select Can English and press OK 2 Select the rating you want to lock The rating you locked and all higher ratings will be locked You can select E C C8 G PG 14 or 18 3 M U Exit EN Press MENU EXIT to exit 5 Can French 1 Press to select Can English and press OK 2 Select the rating you want to lock The rating you locked and all higher ratings will be locked You can select E G 8 13 16 o...

Page 29: ...etting and press OK 2 PR Press Number Key to enter the old password 3 PR Press Number Key to enter the New password 4 PR Press Number Key to enter the New password 5 M U Exit EN Press MENU EXIT to exit Enter old password Enter new password Confirm new password ...

Page 30: ...ecting cords To avoid TV interference make sure to use an undamaged antenna cable PC Input No Picture No Signal Confirm the PC is correctly connected to the TV with either the PC IN with an HD15 cable or with the HDMI IN Ensure the output signal from the PC is one of the formats listed in the Input Signal Reference Chart Turn the PC off Confirm the PC connection and restart the PC Plug and play wi...

Page 31: ...CP compliant E EDID compliant VGA Terminals VGA INPUT Rear VGA D SUB 15 Pin Input x1 E EDID compliant Audio Input Mini jack for stereo 3 5ø VGA INPUT Rear VGA D SUB 15 Pin Input x1 E EDID compliant Audio Input Mini jack for stereo 3 5ø Headphone Audio Output Mini jack for stereo 3 5 ø Audio Output Mini jack for stereo 3 5 ø Size W x H x D with base and stand mm 525 x 351 x 101 8 584 36 x 378 79 x ...

Page 32: ...meout 29 MODE 11 MPAA 11 31 MTS 11 Multi Language 27 Music 25 MUTE 11 25 N Noise Reduction 26 P Panel size 35 PC Connection 14 PC Setting 28 Personal 25 Phase 10 28 34 Picture Mode 34 Picture Setting 26 Power 4 5 34 Preset 15 26 Presetting PC Mode 15 Presetting Video Mode 15 R Remote Control 11 16 22 24 26 34 Reset All 29 Resolution 15 35 S SAP 11 27 Setting 34 Setup 14 15 29 32 34 Set Up 12 Sharp...

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