Typically if you have backlights but no picture, it is an indication of a Tcon board fault. Thanks for the help…, Hi there Sorry, your blog cannot share posts by email. This is before the sound will come on. A back-light inverter board should be from $10 to $25 dollars depending on your TV model. Has anyone heard of such a thing? My friends dad said he had a tv that wouldn’t power on(his dad is an electrician)…he soldered on a new capacitor after circuit testing,and it SOLVED it. Nothing worked. my Tv is 2 years in November just passed. I truly think it’s a capacitor or video card. The sound works. Turn off the TV. No on screen menus appear, and the screen is blank no matter what input is used. old. Thanks, Mr. Perplexed. Please leave a comment below to assist others in solving what may be wrong with their TV as well. If all steps have failed, the unit will require service. Skye Anderson You may have a bad HDMI port(s) as in the wiring that connects the HDMI ports in the TV (inside the TV behind where the HDMI ports are located) may have a wiring issue. What Causes The Bad Smell In My Dishwasher? Bathroom Sink Will Not Drain Water – How To Fix? GE Profile Dishwasher Shows Code 1h Will Not Start? I’m able to change channels but no picture. TV Does Not Recognize HDMI Video Cable – No Picture Using HDMI Connection, Electrical Wire Color Codes – Wiring Colors Chart, Whirlpool Dishwasher Parts – Common Parts To Fix Your Appliance. -RR, Is this what to expect now for new tvs 2 years and they are junk especially Vizio have two that broke right at 2 year mark definitely will never buy a Vizio again. you might make out some shadows or see s slight grey color. Milton Bertin. I have another cable box, which was hooked up to another TV which is fine, to try it and gave same results. Copyright 2020 RemoveandReplace.com - DIY Projects / Tips / Tricks / Ideas / Repair If any component shorted or burned,it’s usually evident at least somewhat. Newly Installed Dishwasher Does Not Drain Out Water – Remove Plug On Garbage Disposal, How To Fix A TV Screen That Is Zoomed In – Picture Size Adjustment. Have shadowy pic behind the scenes only issue no backlight. Reconnect and enjoy you TV again. It showed the LG no signal cube thing. How Do I Troubleshoot A DVR CABLE or SATELLITE Box That Is Slow To Respond? How To Fix Leaking Washing Machine Hoses – 3 Areas To Check, Samsung Microwave Oven Common Error Codes, Hot And Cold Water Cooler Dispenser Makes Noises, How To Fix A Blinking Or Flickering TV – TURN TV OFF TO RESET, Fujitsu Air Conditioning AC Error Codes And Troubleshooting, How To Remove Pet Hair From Clothing – Reduce Pet Fur In Your Home, How To Fix A Washing Machine Making Your Clothes Dirty – Stains On Clothing. – Refrigerator Leaked Water On Floor. I called VIZIO and they told me every size but the 55 inch had been recalled due to this issue. Because they are wired in series like Christmas lights, it only takes one failed LED to take down the entire backlight. Or the cable box is OFF, cable box is faulty, etc… Model # E4SFT551 Required fields are marked *. That is a Samsung HDMI-CEC feature. 5 Reasons Why A Dishwasher Overflows Onto The Floor – How To Fix Water Leaking Issue? One day ( two days ago ) Im turn on and have sound but no picture. TV Has Sound But No Picture Troubleshooting Guide. What Type Of Screws Do I Need To Attach A Second Computer Monitor? Examined the three boards inside for damage, lose wires etc. If there is still no picture, try plugging the HDMI cable into a different port on the TV. Back-light Inverter boards for all HDTV’s, Possible Power Supply Board Unit Issue: I researched before posting and couldn’t find a definite answer about this problem. The function of an inverter board in a TV is to power the backlight of the screen. The sound quality is spectacular. How To Remove Odor From A Refrigerator After Power Loss? I wonder now based on my situation if it is a bad spot on a board, bad ribbon cable or maybe just tired CFL’s. I will check those settings again. now you say it’s a black screen maybe slightly blue…have you aimed a flash light at the tv and tried to see if you see an lcd image? Fluorescent Bulb Burned Out – What Size Of Fluorescent Light Tube For Replacement? -RR. Nothing worked. IMPORTANT...if you use the multimeter to test continuity(the multimeter sends a small amount of current through the circuit),UNPLUG THE TV AND HOLD THE POWER BUTTON TO DRAIN RESIDUAL POWER! I have a LG 42 Inch, once plugged in the TV turns on, but then sound only comes on, no picture just sound, but TV wont turn off thru hitting power button only by unplugging it. Washing Machine Not Dispensing Detergent Into Washer – Full Of Water – How To Fix? Water Heater Runs Out Of Hot Water When Showering – What To Check? Terms — Refrigerator Ice Maker Keeps Freezing Up – How To Fix? I removed the back panel cover and checked the boards. Than after switching it off no picture and no sound and no menu appeared on screen just the on and off power bulb works. Usually backlight and no image is a bad tcon. Do you have other methods or tips for a flat screen LED or LCD TV that has sound but NO PICTURE? My LG flat screen tv just went black, sounds is there but no pictures. I’m only 20 and am just beginning to practice diagnosing components. Manual '' perfectly from the TV im newer to component troubleshooting suddening the picture was not sent - your... After set has been off for hours but the picture was not -! Tv you might make out some shadows or see s slight grey if it a... And turn the screen $ 18 turning on Detergent Into Washer – Full of Water how! 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