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LG 42LH20 Support Question

LG 42LH20 Support Question

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Question posted by rajesport on November 4th, 2014

My Tv Is Not Sending The Back Light While Pictures Are Displaying On Screen In D

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Related LG 42LH20 Manual Pages

Specification (English) - Page 2

LCD TV 42LH20 42" High Definition LCD TV (42.0" diagonal) LGusa.com LCD SPECIFICATION Screen Size (Class) 42" Class (42.0" diagonal) Native Display ... 5 Modes SPECIAL FEATURES Picture Wizard • Backlight Control • Smart Energy Saving • Mechanical Power Off • 1080p Source Input - HDMI 1080p/1080i/720p - "LG Life's Good" is present...
Owner's Manual (English) - Page 6

... Saving 76 Picture Reset 77 Power Indicator 78 Demo Mode 79 CONTENTS WARNING / CAUTION 2 SAFETY INSTRUCTIONS 3 FEATURE OF THIS TV 8 PREPARATION Accessories 9 Front Panel Information 10 Back Panel Information 13 Stand Instructions 16 VESA Wall Mounting 24 Cable Management 25 Desktop Pedestal Installation 28 Swivel Stand 28 Positioning your Display 28 Attaching the TV to a Desk...
Owner's Manual (English) - Page 8

... picture they are trademarks of HDMI Licensing LLC." FEATURE OF THIS TV High-definition television. Image burn is incorporated under the manufacturer's warranty. A subset of SRS Labs, Inc. IMPORTANT INFORMATION TO PREVENT "IMAGE BURN / BURN-IN" ON YOUR TV SCREEN I Image burn can become permanently imprinted on your TV screen for a prolonged period (2 or more hours for LCD...
Owner's Manual (English) - Page 44

...; Advanced Control • Picture Reset Screen (RGB-PC) SCREEN Resolution Auto Config. You can choose the resolution in RGB-PC mode. EXTERNAL EQUIPMENT SETUP EXTERNAL EQUIPMENT SETUP Screen Setup for PC mode Selecting... only when the PC resolution is set to 1024X768, 1280X768 or 1360X768. Select Screen (RGB-PC). Select the desired resolution. 44 The Position, Phase, and Size...
Owner's Manual (English) - Page 45

... Move Enter E • Contrast 50 • Brightness 50 • Sharpness 50 • Color 50 • Tint 0R G • Advanced Control • Picture Reset Screen (RGB-PC) SCREEN Resolution Auto Config. Select Screen (RGB-PC). EXTERNAL EQUIPMENT SETUP Auto Configure Automatically adjusts picture position and minimizes image instability. Position Size Phase Reset Move Prev.
Owner's Manual (English) - Page 46

.../right and up/down as you prefer. EXTERNAL EQUIPMENT SETUP EXTERNAL EQUIPMENT SETUP Adjustment for screen Position, Size, and Phase If the picture is to minimize any horizontal noise and clear or sharpen the image of characters. 46 PICTURE Move Enter E • Contrast 50 • Brightness 50 • Sharpness 50 • Color 50...
Owner's Manual (English) - Page 47

... Y e s. This feature operates only in RGB-PC mode. EXTERNAL EQUIPMENT SETUP Screen Reset (Reset to original factory values) Returns Position, S i z e, and Phase to the default factory settings. Position Size Phase Reset Move Prev. SCREEN Resolution Auto Config. To Set Yes No 47 PICTURE Move Enter E • Contrast 50 • Brightness 50 • Sharpness...
Owner's Manual (English) - Page 51

... - I "Store Demo" Mode is only intended for displaying at Store, select [Store Demo]. We recommend setting the TV to "Home Use" mode for the first time. Picture mode" manually while inspecting the TV, but the TV will be displayed on the screen when turning the TV on for the best picture in your antenna connection and start Auto Tuning...
Owner's Manual (English) - Page 52

...: Off : Off CHANNEL PICTURE AUDIO TIME OPTION LOCK WATCHING TV / CHANNEL CONTROL OPTION Move Enter Menu Language : English Audio Language : English Input Label SIMPLINK : On Key Lock : Off Simple Manual Caption : Off Set ID : 1 E 1 MENU 2 ENTER Display each menu. WATCHING TV / CHANNEL CONTROL ON-SCREEN MENUS SELECTION Your TV's OSD (On Screen Display) may differ slightly...
Owner's Manual (English) - Page 53

... CONTROL QUICK MENU Your TV's OSD (On Screen Display) may differ slightly from what is a menu of features which users might use frequently. Sound Mode: Selects the factory preset sound for type of time before your desired picture format. Del/Add/Fav: Select channel you want to add/delete or add the channel to...
Owner's Manual (English) - Page 63

... POWER, INPUT, CH ( ) or NUMBER buttons on the front panel is programmed to remember which option it can be used to even if you turn the TV off , press the r / I With the Key Lock On, the display ' ! WATCHING TV / CHANNEL CONTROL KEY LOCK The TV can be set up so that it was last set...
Owner's Manual (English) - Page 70

... the video in a fast gaming screen. I You can use a preset, change each setting manually. I Vivid: This is the video mode to TV viewing. RETURN Return to emphasize dynamic... mode to display the most natural screen status. PICTURE CONTROL PRESET PICTURE SETTINGS (PICTURE MODE) There are preset for the optimum picture quality at the factory. You can also adjust Picture Mode in detail...
Owner's Manual (English) - Page 71

... edges between red and green levels. 71 You may use Contrast when the bright part of the screen. I Contrast: Increase or decrease the gradient of the picture is saturated. I Backlight: This function adjusts the brightness of LCD panel, to suit your preference and viewing situations. RETURN Return to the previous menu. I T i n t: Adjusts the balance...
Owner's Manual (English) - Page 72

... to the previous menu. Select your desired options. 4 Make appropriate adjustments. 5 Return to TV viewing. MENU 72 Select Advanced Control. PICTURE CONTROL PICTURE CONTROL PICTURE IMPROVEMENT TECHNOLOGY You can set the video value according to the special video screen. You can calibrate the screen for each Picture Mode or set the video seeing differently for each input...
Owner's Manual (English) - Page 73

... Screen (RGB-PC) Edge Enhancer F Off G Low Off Low Off SD Standard High xvYCC Auto E Close 1 MENU 2 ENTER 3 ENTER 4 ENTER Select PICTURE. Select Picture Mode. Select Expert1 or Expert2. RETURN Return to help optimize the TV performance in the environment the TV is in. MENU 73 This may also be used be a professional to TV viewing. PICTURE...
Owner's Manual (English) - Page 76

... to the comfortable level to TV viewing. Select Energy Saving. 3 ENTER 4 RETURN Select O f f, Minimum, Medium, Maximum, or Screen Off. I When selecting Screen off, TV turned off after 3 seconds. You can also adjust Energy Saving in the Q.MENU. Return to be viewed at home. PICTURE CONTROL PICTURE CONTROL ENERGY SAVING It reduces the TV's power consumption by setting...
Owner's Manual (English) - Page 77

... value. 5 MENU Return to the default factory settings. PICTURE Move Enter E • Contrast 50 • Brightness 50 • Sharpness 50 • Color 50 • Tint 0R G i Resetting video configuration... • Advanced Control • Picture Reset Screen (RGB-PC) 77 PICTURE CONTROL PICTURE RESET Settings of the selected picture modes return to TV viewing.
Owner's Manual (English) - Page 108

... correct polarity (+ to -). I Check antenna (Change the direction of no screen display. I Check to restore the brightness of possible interference. I Check whether the product is not available for sources of the picture. I TV will be automatically turned off I Is the sleep timer set : TV, VCR etc. Power interrupted. I Check the power control settings. The video...
Owner's Manual (English) - Page 119

...) *Refer to 'Real data mapping'. You can also adjust color in the PICTURE menu. You can also adjust brightness in case of screen mute on this format, Acknowledgement data feedback presents status about each function. * Note: In this model, TV will display On Screen Display (OSD). Volume Mute (Command: k e) To control volume mute on/off (Volume...
Owner's Manual (English) - Page 120

... To select OSD (On Screen Display) on/off 01: Energy saving - You can also adjust bass in the AUDIO menu. You can also adjust color temperature in the PICTURE menu. You can also ...To adjust color temperature. Screen off Data 01: Lock on Acknowledgement [m][ ][Set ID][ ][OK/NG][Data][x] If you're not using the remote control and front panel controls on the TV. 14. Channel Tuning...

LG Knowledge Base Results

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  • What is HDMI? - LG Consumer Knowledge Base
    ...digital television (DTV), over a single cable. LG Broadband TV Wireless Connectivity Options Television Picture Color ...Television: Not changing Channels Television: No Signal HDMI supports standard, enhanced, or high-definition video, plus multi-channel digital audio on my LG HDTV? Article ID: 2918 Last updated: 02 Sep, 2008 Views: 1492 How do I remove a "Power Only" display screen...
  • What type of antenna should I use? - LG Consumer Knowledge Base
    ...lighting rod directly to the antenna, a pre-amp may experience drop-outs and picture artifacts at long distances. For a single TV...TV, it 's not properly grounded, you could hurt yourself by pressing Menu on an LG TV by falling off a ladder. Full HD Television recording issues Television... The round or flat multi-directional type are...display screen on the house, a pole, or in stores.
  • LCD Terminology: Progressive scan (continued) - LG Consumer Knowledge Base
    ... good a picture as a PC monitor? Also, scan lines are much less noticeable with less motion artifacts. display screen on interlaced video cause a blinking effect. Article ID: 2906 Last updated: 23 Sep, 2009 Views: 771 LCD Display HDTV: How can I remove a "Power Only" LCD versus CRT LG TV Quick Setup Guide How do I use the television as...

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