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LG 47LH40 Support Question

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Question posted by andrewschu44 on June 27th, 2018

Hissing Sound

the tv is making a really annoying hissing sound even if the speakers are on mute. I didn't know if there was any way to fix it

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Related LG 47LH40 Manual Pages

Owner's Manual - Page 1

Product Name 32/37/42/47/55LH40, 37/42/47/55LH55, 32/42/47CL40 관리자 KANG KWANG SUK 08.12...; • Inside : Uncoated paper 60 g/㎡ 4. Language : English/Korean (2) 7. O Especially, Part should be followed Eco-SCM management standard[LG(56)-A-2524]. S (2) Especially, Don't use or contain lead(Pb) and cadmium(Cd) in Kazakhstan 4. Changes 9 8 7 6 5 4 Apr...

Owner's Manual - Page 2

...24 "This part contain Eco-hazardous substances (Pb, Cd, Hg, Cr6+, PBB, PBDE, etc.) within LG standard level, N Details should be followed and controlled the following specification. Model Description MODEL LH40/55-UA...UA SUFFIX USA Park SY 08.12.11 BRAND LG Part No. MM/DD/YY SIGNATURE CHANGE NO. Product Name 32/37/42/47/55LH40, 37/42/47/55LH55, 32/42/47CL40 관리자...

Owner's Manual - Page 3

...: 24 "This part contain Eco-hazardous substances (Pb, Cd, Hg, Cr6+, PBB, PBDE, etc.) within LG standard level, N Details should be submitted E when Part certification test and First Mass Production. REV. User's ... LH40/55-UA CL40-UA SUFFIX USA Park SY 08.12.11 BRAND LG Part No. Product Name 32/37/42/47/55LH40, 37/42/47/55LH55, 32/42/47CL40 관리자 KANG KWANG SUK 08.12...

Owner's Manual - Page 4

Pagination sheet Front cover LG(EN) P/NO. 2 .... .... .... P/NO.MFL58558507 Total pages : 24 pages (KO) 22 (KO) 23 Rear cover Child Safety

Owner's Manual - Page 5

To read this LG TV are located on the back and one side of the TV is located on the CD-ROM provided in the "factory default (Home... below should you will need service. MFL58558507-en_4 10/21/2009 6:16 PM Page 1 LCD TV OWNER'S MANUAL 32LH40 37LH40 42LH40 47LH40 55LH40 32LH41 37LH41 42LH41 47LH41 55LH41 37LH55 42LH55 47LH55 55LH55 32CL40 42CL40 47CL40 55LH400C Please read these...

Owner's Manual - Page 6

...TO RAIN OR MOISTURE. ferent from LG Electronics. Any changes or modifications in...equipment does cause harmful interference to radio or television reception, which can radiate radio frequency energy ... a fixed image on the letterboxed areas of your TV screen for a prolonged period (2 or more hours for LCD, 1...operate this device must accept any way without written authorization from that the...

Owner's Manual - Page 7

... are provided for your outlet, consult an electrician for long periods of the TV. 13 Do not allow an impact shock or any way, such as this apparatus during a thunder or lighting storm. 12 When mounting a TV on the wall, make sure not to avoid injury from the apparatus. 7 Only use attachments/accessories specified...

Owner's Manual - Page 8

...upon the panel with hand or sharp object such as death or serious injury can come in electric shock or fire. Do not make a scratch on the TV as vases, cups, etc. Do not touch the TV with ... light or power circuits, or where it . 27 Keep the product away from the TV or hear strange sounds, unplug the power cord contact an authorized service center. 26 Do not press strongly upon...

Owner's Manual - Page 9

... page of time. FOR LCD TV I O N. On Disposal (Only Hg lamp used LCD TV) The fluorescent lamp used in the supplied CD-ROM. The "ACRORD" folder on the monitor's performance. TO VIEW THE SIMPLE MANUAL You can find the desired contents easily using the bookmark. Open the "My computer" Open the "LG" Open the "index...

Owner's Manual - Page 10

..., 47/55LH55, 55LH400C) x 4 Bolts for stand assembly Screw for stand fixing (Refer to P.8) (Refer to P.12) Protection Cover For 32/42/47CL40 (Except 47CL40) (Except 47CL40) x 4 x 4 Bolts for stand assembly Screw for stand fixing (Refer to P.7) (Refer to maintain standards compliance. MESNLUEEPRATIO MENU POWER ENERGYINSAVPINUG T RETURN INFO ENTER VOL FAMVARK AV MODE 1 4 MUTE...

Owner's Manual - Page 12

... Page 8 PREPARATION STAND INSTRUCTION (For 32/37/42/47/55LH40, 32/37/42/47/55LH41, 37/42/47/55LH55, 55LH400C) I Image shown may differ from TV. 3 Fix the 4 bolts securely using the holes in the back of the TV. ! INSTALLATION (Except 55LH40, 55LH41, 55LH55, 55LH400C) 1 Carefully place the TV screen side down on a cushioned surface to protect...

Owner's Manual - Page 13

...TV or cause the TV to a fall and result in personal injury due to electric shock. 9 LG is used . It may differ depending on their specifications. LG... LG brand wall mount when mounting the TV ...TV is turned on a ceiling or slanted wall, it may cause damage to the inside to the TV... LG is not liable for TV ...or the consumer fails to follow the TV installation instructions. If installed on . ...

Owner's Manual - Page 14

.... MFL58558507-en_4 10/21/2009 6:16 PM Page 10 PREPARATION CABLE MANAGEMENT I Here shown may be somewhat different from your TV. For 32/37/42/47/55LH40, 32/37/42/47/55LH41, 37/42/47/55LH55, 55LH400C 1 Connect the cables as shown. MENT CLIP and snap it closed . 10 To connect additional equipment, see...

Owner's Manual - Page 15

... 4 inches on all four sides from your viewing position. 11 For proper ventilation, allow a clearance of heat source. SWIVEL STAND After installing the TV, you can adjust the TV set manually to the left or right direction by following the clearance recommendations. MFL58558507-en_4 10/21/2009 6:16 PM Page 11 DESKTOP...

Owner's Manual - Page 16

... THE TV TO A DESK (Except 47/55LH40, 47/55LH41, 47/55LH55, 47CL40, 55LH400C) The TV must be attached to the user's guide provided with a Kensington Security System connector on the back panel. The TV is an...the internet homepage of the product) Desk WARNING G To prevent TV from falling over, the TV should be securely attached to the floor/wall per installation instructions. Stand 1-Screw...

Owner's Manual - Page 17

...PB PR L R Make sure you need to connect directly to an antenna or c(ab) le system instead of using a cable bo( x.) Antenna Cable TV OR RF Coaxial ...S-VIDEO VIDEO ANT OUT OUTPUT SWITCH L R AUDIO /D Use Composite for sound. MFL58558507-en_4 10/21/2009 6:16 PM Page 13 R WATCHING TV CONNECTING YOUR TV To connect an additional equipment, see the External Equipment Setup section in (...

Owner's Manual - Page 18

... Next Check your home environment. Picture mode" manually while inspecting the TV, but the TV will be displayed on the screen when turning the TV on the remote control. Previous Next 1 ENTER Select H o m... 1 Select Auto or Manual. 2 ENTER Select desired time option. Step1. To use this TV at Store, select [Store Demo]. INITIAL SETTING This Function guides the user to , even ...

Owner's Manual - Page 19

...makes sure that the volume level remains consistent whether you are provided to block. I Auto Tuning: All available TV channels are watching a commercial or a regular TV program. I Sound Mode: Select the sound...up. I TV Speaker: Turn the TV speakers off . I SIMPLINK: Control devices connected via HDMI. I TV Rating-English: Selecting canadian english rating system. I TV Rating-French:...

Owner's Manual - Page 20

...if there is turned on. to +, - No picture &No sound I Check for sources of the picture. I Keep a sufficient ...is suddenly turned off , in pictures I Station signal is muted during the product startup process. I This is normal, the...batteries are pointing the remote control directly at the TV. Power interrupted. I TV will be automatically turned off I Activate any object...

Owner's Manual - Page 21

...I Check USB cable over version 1.3. I Adjust resolution, horizontal frequency, or vertical frequency. Picture OK & No sound I Sound muted? I A change in menu option. Vertical bar or stripe on or off and does not indicate a fault with... & Horizontal Noise & Incorrect position Screen color is out of the speakers Unusual sound from inside the product I Check the input source.

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