LCD & LED TV Repair – No Picture No Image & Blank Black Screen Flashlight Test – Fix LCD & LED TVs

LCD & LED TV Repair – No Picture No Image & Blank Black Screen Flashlight Test – Fix LCD & LED TVs


In this video we will be looking at how to
troubleshoot the common symptom of No Picture on your TV screen in LED and LCD TVs. We will
be using the flashlight test to help with the troubleshooting while determining the
problem. This flashlight test will show how to identify
if you have any video appearing on the screen and whether or not you have backlights. Within
this test, we will show how to determine if the problem is a bad t-con board, bad main
board or bad backlight inverters for LCD TVs or LED driver for LED TVs.
Most LCD TVs are made up of a main board, a t-con board, power supply board and backlight
inverters. Some TVs have one backlight inverter, some TVs have two backlight inverters and
some have the backlight inverter built into the power supply board.
Most LED TVs will have a t-con board, a power supply board, a main board and an LED Driver
board. Some LED TVs will have the LED driver board built into the power supply board.
If you have no picture on your screen, the first thing we will want to look at is to
see if we have backlights or not. You can do this in a few different ways. The first
is by looking through the back of your TV and seeing if you can see white lights shinning
through holes on the panel. You can do this a few different ways. The
first is by looking through the vent holes on the back cover of your TV and seeing if
you can see white lights shinning through the holes on the panel. Be sure to turn off
all the lights in the room. As you can see on the screen, we can see the backlight is
on through the top vent on the TV. If it is too difficult to notice if your backlights
are on or not, with the back cover still on, you will need to remove the back cover of
your TV and look for the light shining through the panel.
Here is what the chassis looks like with the back cover removed and the backlights working.
Once you have determined if you have backlights or not, you can then move on to the next steps.
If your backlights are working, but you have no image on the screen, that means the problem
is either the t-con board or the main board. Next, you will want to see if you can hear
audio. If you cannot hear audio, try and remember if you had audio immediately after the TV
image went away on the screen the original time. Or you can also cycle through the inputs
to see if you can hear any audio on any of the inputs. For example you could connect
your cable box to your TV and try to find the input for that cable box knowing that
it would be sending audio to the TV. If you do have audio and you do have backlights,
I recommend starting by replacing the t-con board as that will be the fix, the majority
of the time. If you definitely have no audio and you do have backlights, then the problem
could either be the t-con board or the main board. You will need to replace each board
individually to see which one fixes the problem. If you do not have backlights, you will want
to turn all of the lights off in the room and get a flashlight. Apply power to your
TV and press the menu button on your remote to pull up the menu on the screen. You will
not be able to see the menu until you shine a flashlight on the screen.
You may need to twist the flashlight and try different angles to be able to see the menu.
As you can see on our screen, the menu shows up and you can even read the AV1 on the screen.
This shows that the TV has no backlights, but the image is showing up on the screen,
thus our inverter and LED driver is bad and our T-con and main board are good.
You can see on our screen that I can turn the menu on and off and the image appears
and then disappears. At this point you will want to replace the inverter or LED driver
or the power supply if it has the inverter or LED driver on it.
So as a brief overview, if your TV does have backlights and has audio, I recommend replacing
the t-con board first. If your TV does have backlights but does not have audio, then it
is either a bad t-con board or main board, and each board will need to be replaced individually
to see which one fixes the problem. If you don’t have backlights, but you see an image
on the screen with the flashlight, that means that your main board and t-con board are good
and that you will need to replace the backlight inverter or backlight inverters on your LCD
TV and the LED Driver on your LED TV. Thank you for watching on of our many tutorials
here at Shopjimmy.com. If you have any further questions regarding your repair, simply post
a question in the comment section below or call our award winning customer service team
at the number on your screen. We strive to learn and share new TV repair tips everyday.
Subscribe to our YouTube channel and grow with us, share our videos with your friends
to help us spread the savings and don’t forget to hit that Like button.

100 thoughts on “LCD & LED TV Repair – No Picture No Image & Blank Black Screen Flashlight Test – Fix LCD & LED TVs

  • November 28, 2016 at 6:33 pm
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    Thanks for watching our TV repair video! Due to YouTube policy changes,
    we are no longer answering tech support questions in the comments
    section. We apologize for the inconvenience. If you need additional tech
    support, please visit FixYa.com or contact your local TV repair shop.
    Good luck and let's fix your TV today!

    Reply
  • July 5, 2019 at 3:25 pm
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    I loved this video. It was very well done and I became a subscriber because of the professionalism and knowledge that was provided in this video.

    Reply
  • July 6, 2019 at 8:47 am
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    hi i have an issue with my Hisense 50H7GB tv, the tv can turn on and it will show the hisense logo, then the Hisense Smart circle animation but it’s dim, and nothing happens after, the screen is black like it’s turned off and there’s no sound (idk if i’m on the correct input to hear anything), and weirdly it will turn off if i press the menu button twice (idk if that’s something normal with this tv) i would love to hear what y’all think it is my email is [email protected] thanks!

    Reply
  • July 6, 2019 at 9:02 am
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    My flat screen tv brand is hier. I just black when i turn on but when i try flashlight test i can see a picture

    Reply
  • July 6, 2019 at 5:16 pm
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    I have a Sony KDL-40R38OB tv. Picture goes black every so often. I have to smack the back of the tv for the picture to come back. Sound is on and indicator light green. Is it the main board?

    Reply
  • July 6, 2019 at 7:03 pm
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    My TV has blank screen but there is sound…. It's an LG 60PB5600 flat-screen the model is 60PB5600 – TA

    Reply
  • July 7, 2019 at 4:32 pm
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    Wow, so many questions that were answered in the video….are ya'll actually watching the video?

    Reply
  • July 8, 2019 at 8:25 pm
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    Has power. Did the flash light test and you can barely see the screen. Insignia NS-48d510NA15. Had the TV for two plus years now. Never had a problem until today. Still have sound

    Reply
  • July 9, 2019 at 2:23 am
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    Got a sony vizio and a quarter size light comes on in bottom right hand of screen and sound works

    Reply
  • July 9, 2019 at 2:40 am
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    i have hitachi plays sound but black screen

    Reply
  • July 9, 2019 at 11:26 pm
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    Westinghouse Smart Led 50" WD50UK4550. All of a sudden the TV wouldn't go on. The light remains Red, whether I press the button on back of TV or the remote. I even tried moving the power cord to another outlet. I've had this TV only 6 months. No problems before.

    Reply
  • July 10, 2019 at 3:38 pm
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    Good video, Great job!

    Reply
  • July 11, 2019 at 11:44 am
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    i have tv lcd pensonic 32" power on but the screen black no pic how to fix?

    Reply
  • July 12, 2019 at 7:21 pm
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    Ok so according to your video it would be my tcon board is bad. I have a 55 inch Samsung flat screen TV how much would one cost me and how can I get it

    Reply
  • July 12, 2019 at 11:12 pm
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    I have a Samsung TV. 10 years old… . When power up as usual the cable voice comes on the Samsung logo appears then goes black. I can see the lights on the back of the set. Should I just get a new tv?

    Reply
  • July 13, 2019 at 3:17 pm
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    We have sony bravia tv, it has audio when i turn it on, but no display. I can see that the screen is on bcause the screen turns from back to kind of grayish, but no display on screen. Usually when i turn on the tv, i would see the sony logo. There will also be colored lines visible that goes away after a couple of seconds. I will be checking for the backlights in a moment, i just wanted to know if there’s something i can fix myself before paying someone. I tweak alot of electronics as long as i have good instructions.

    Reply
  • July 14, 2019 at 6:51 am
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    My tv turns on, makes that sound of turning on, thens shuts right out. And during the entire time, there is nothing displayed, heeeellllppp

    Reply
  • July 14, 2019 at 1:07 pm
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    Thanks for Video, It helps many ways to diagnose the issue, I have slightly different issue here, My TV works fine with Audio, Video for 15 mins then I see red light blinking and it never turn on. Where could be the issue?

    Reply
  • July 16, 2019 at 6:04 am
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    Hi, my Hisense LED TV brought 8 years ago, has no picture but normal sound. I check on the TV, no blacklight, no image when flashlight on the screen. Can you comment what's happening? Big thanks.

    Reply
  • July 16, 2019 at 7:23 am
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    I ve Panasonic 37" lcd,as soon as I switch it on sound comes but no display and led flash red 2 times

    Reply
  • July 16, 2019 at 9:30 am
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    Hey, I have a similar problem to this. Sound is working but no picture. Picture can be seen very faintly. TV is an LG 55LB561V. So I watched your video and stripped the back of the tv to see what the symptoms are. What I found is the backlight LED's are flashing on and off. This leads me to believe that the T-con and main board are both ok. Which leave the power supply/inverter board, or the LED strips themselves. Could you please give me a little advice on what you think might be the issue? Thanks in advance.

    Reply
  • July 16, 2019 at 6:46 pm
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    LG 47W5600 TV has back lights, Sound but the screen is black. If I understood your video then the first place to check is the t-con board. Where can I purchase a t-con board and is the cost prohibitive considering the age of the TV vs just buying a new TV with all new parts?

    Reply
  • July 18, 2019 at 12:17 am
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    My tv would flash on really fast and then turn right off (the light not the screen) i replaced the power supply board and now i get a very dim logo on the screen. Can you give me advice on my next steps. My theory is the power board went out and took something else with it. It is a vizio e50-e3

    Reply
  • July 19, 2019 at 7:22 pm
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    I have a un50h6203afxza when I plug it in the back lighting blinks. No picture but has sound

    Reply
  • July 20, 2019 at 12:45 am
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    TCL Roku 55in tv
    Model# 55FS3850

    Tv was softly injured. Left side has partial picture showing at the top of the screen along with vertical and horizontal lines. While viewing, there's evidence of a small crack that can't be felt from the outside of the screen. The right side of the tv shows a blank white screen due to me touching the flex cable ribbon for that side. Is the injured side fixable being that a corner of the injured side (left half) is still showing a partial picture?

    Reply
  • July 20, 2019 at 7:50 am
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    LG 50LA6210

    Reply
  • July 20, 2019 at 7:51 am
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    Lg 50LA6210.
    No picture.
    Sound was ok at first.

    Reply
  • July 21, 2019 at 3:07 pm
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    thanks very much for the video i think i solved the problem with my RCA tv have sound but no picture so i tried the flashlight trick and could see something so i ordered the part i need on new egg it was only
    20 bucks for the led power supply board so now i will have a TV again 🙂

    Reply
  • July 21, 2019 at 5:06 pm
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    My tv is doing the same thing it’s black but u can hear it though

    Reply
  • July 22, 2019 at 5:27 am
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    My issue is that I have no lights in the back of tv but I have audio it is a insignia tv the model is NS 32D201NA14

    Reply
  • July 22, 2019 at 5:44 am
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    Hi my Proscan TV will turn on for like 5sec but then it turns off I need help!

    Reply
  • July 22, 2019 at 7:39 am
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    hi got blaupunkt model bp5040uhd 50'' power on use torch i see picture but no leds working just blank screen which part need get work thanks.

    Reply
  • July 23, 2019 at 2:04 am
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    eleftw328
    black screen with green tint

    Reply
  • July 23, 2019 at 3:20 am
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    i have a ocosmo ce4001 i have sound but no picture on screen

    Reply
  • July 23, 2019 at 10:04 am
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    My tcl tv same problem with the video . Pls help

    Reply
  • July 23, 2019 at 4:08 pm
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    Vu 32" led tv display is good but only few dots are visible. Video can't be seen. Audio visible. Please help.

    Reply
  • July 24, 2019 at 11:38 am
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    How can i replace backlight of sony led tv 32ex330.,?

    Reply
  • July 25, 2019 at 12:27 am
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    my hisense tv screen getting black after smart tv logo
    it is working hdmi only picture

    Reply
  • July 25, 2019 at 7:33 am
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    @shopjimmy My LG UHD4K TV screen is black but there is sound.
    Awhile ago, I noticed a point of impact in the bottom right hand corner when the tv was on. Then a black line throughout the vertical of the screen. Then it just went completely black.
    There was still sound.

    I haven't turned it on in months. It's been sitting there. Please help.

    Reply
  • July 25, 2019 at 9:14 pm
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    i have a sharp lc-52le830u that has one short blink and one long blink code i have changed the poweer board and t-con boards but still have the issue please advise thank you

    Reply
  • July 25, 2019 at 9:17 pm
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    Quick question.
    Vizio E420i-A0, LED tv. I have no backlights, but I do have picture when using flashlight to see it. I see main board, TCOM, and power board. I don't see a separate LED driver. I just replaced the power board (thinking maybe LED driver and power board are integrations) and same result. Is the LED driver hidden somewhere..?

    Reply
  • July 25, 2019 at 11:58 pm
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    I have a Vizio 55" led model# 550vse   The screen comes on just for a second & then goes black! The audio works! I tried the flashlight test & I do not see anything! Any help is appreciated!   Is it the led driver? or the other board? I am wondering which component/board might be the issue? Thank you…

    Reply
  • July 26, 2019 at 4:29 am
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    I have a LG 32 inch tv.Model Number32LC20. Only the green light goes on.No picture or sound.Please Help

    Reply
  • July 26, 2019 at 8:31 am
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    Toshiba

    Reply
  • July 26, 2019 at 3:49 pm
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    LG425820, ISSUE: blank screen, from close I can see the screen very very low broghtness

    Reply
  • July 27, 2019 at 4:50 pm
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    I have an RCA TV Model # LED50B45RQ I have audio but black screen, I have done the flashlight test and can see the images from the tv show moving on the screen in a dark room. All I see when I take the back cover off is the Main Board Green and Power Board Yellow and a long skinny board running across the bottom of the TV it's Green also. What board do I need to replace to get it working right again, please?

    Reply
  • July 27, 2019 at 6:53 pm
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    I have a un60fh6003f Samsung has video with flash light test but no light what would I need to replace and if so do you carry the part

    Reply
  • July 27, 2019 at 8:41 pm
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    My vizio e500i-a0. Is no picture and the screen is flashing. And i can see picture only when is flashing and it those every 2 seconds. Where i can start to diagnostic .
    I see the back lights flashing every 2 seconds
    Thank you

    Reply
  • July 28, 2019 at 9:18 am
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    Hy. My problem is that the backlight stop but the sound is still working and…here comes the real problem. After a while, the backlight will turn on for an hour or more and…stoped again. I don t know where the problem could be. I think i have a capacitor problem…because if the inverter or led are broken, the light will not be good from time to time. Any solutions? The tv is samsung 43j5500

    Reply
  • July 28, 2019 at 9:46 pm
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    need help samsung modelln40b630n1f wont turn on no picture replace power boaard help

    Reply
  • July 29, 2019 at 12:07 am
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    I have a TCL 65" TV Model Number 65S405TDAA. I did the flash light test so I thought that ordering the LED Driver Board, from ShopJimmy.com, would be the way to go as it shows from your video. I just replace the part and it still has the exact same issue. Is there something else that I should try? I tried to do a factory reset. I tried leaving it unplugged. I tried the TCL reboot. I have sound and everything, it is just extremely dim like it shows in your video using the flashlight to see the image. I guess I can try replacing all the boards. Your help would be greatly appreciated. Thanks. FYI I noticed that the board part number was different than the original, but it said that it was a replacement match on the ShopJimmy.com site.

    Reply
  • July 29, 2019 at 12:57 pm
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    Ok so I have Audio only an can't tell with back on it have back lights but funny thing is I was clickingthough I puts on remote cause I thought I had no veido or sound an all sudden get the sound of tvwith nothing hooked to it just pluged in
    Scrambled sound so what to do next ? Im thinking to take back off see if got back lights

    Reply
  • July 30, 2019 at 6:45 pm
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    Technika – 50f22b-fhd.
    When I switch it on, I have a faint "TECHNIKA" logo/writing then it disappears and I have a blank screen. I have changed both power boards, but still get the same result.
    Please help!

    Reply
  • July 31, 2019 at 6:07 pm
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    I have a samsung 55fh6030 led tv wen watching tv the screen blank periodically for a few seconds

    Reply
  • July 31, 2019 at 7:19 pm
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    My tv is a toshiba 49inch that doesn’t show any image

    Reply
  • July 31, 2019 at 7:46 pm
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    I have a vizio d32x-d1 smart tv. power comes on but screen is black, in the dark you can see the netflix logo in red, when using a flash light, but no backlights,,, any idea before I pitch it in the trash lol

    Reply
  • July 31, 2019 at 9:38 pm
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    Bra I don't have this TV am not looking at this thanks for not helping

    Reply
  • August 1, 2019 at 7:05 pm
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    LG 65 inch flat screen first day HDMI ports wasn't working wasn't catching the signal got those got to take now now the TV turns on but has a black screen got sound but a black screen

    Reply
  • August 1, 2019 at 7:48 pm
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    I have a Samsung UN46D6000SFXZA while watching the screen went blank and no sound. I did the flashlight test and the picture shows up underneath. I think for what I have watched that the power board is out. what do you think is the suspected problem and fix. I am a DIY person with lots of soldering experience.

    Reply
  • August 3, 2019 at 5:33 am
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    my TCL 55S405 it powers on with sound but no picture

    Reply
  • August 3, 2019 at 12:42 pm
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    CRAP I got bad backlights 😰how did this happen

    Reply
  • August 3, 2019 at 10:16 pm
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    so on my Vizio 55" the flashlight test showed an image. I replaced the slave inverter… now no image at all. Do I need a master inverter as well?

    Reply
  • August 4, 2019 at 5:10 pm
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    55 inch LG LED TV. Sound but no picture. Flashlight Test shows video menu. I followed your recommendation and changed the Power Supply/LED inverter board but it did not fix the problem. Any suggestions?

    Reply
  • August 5, 2019 at 8:35 pm
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    Hello, I have a question. I have Sony kdl 46nx720 that shuts down after 30 minutes of use and has red flashing 8x . From what I discovered that means main board. But also when I plug in tv to restart sometimes it will sometimes I have to do it several times to get to come on. I just want to be sure as to how differently is the red flashing?

    Reply
  • August 6, 2019 at 1:32 am
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    So we replaced all boards and still no picture but there is sound. I have a tcl year bought 2017. Any help will be appreciated.

    Reply
  • August 6, 2019 at 5:13 am
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    I GOT A QUESTION

    Reply
  • August 8, 2019 at 5:27 am
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    Hello sir my led tv devant 40" 40CB520 doesnt have led backlight but have picture and sounds how can i fix it
    [email protected] thankyou sir🙂🙂👌

    Reply
  • August 8, 2019 at 10:37 am
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    Paamo to pag sa tvplus nangyare

    Reply
  • August 9, 2019 at 6:13 am
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    Hi…I have question for 42 inch TV

    Reply
  • August 10, 2019 at 5:51 pm
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    What happens if I don't see any backlights or the screen menu using the flashlight? The only light that turns on is the red stand-by one. Thanks in advance

    Reply
  • August 11, 2019 at 12:01 am
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    I have an RCA rtu6549 tv.
    Have black screen. When I turn tv on I see the backlight come on then will go off (flash) .
    I do not see a board for this. Is this built in to the power supply board.

    Reply
  • August 11, 2019 at 9:05 pm
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    Hi I got a Samsung ue55es8000. I've checked to see in the dark if i can see the backlight at the back of the TV. I cannot see anything. I've also checked with a flashlight if i can see any picture at the front, i cannot see anything (also done in the dark to be sure). I do have sound. What do you think ?

    Reply
  • August 13, 2019 at 2:46 am
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    Samsung un60j6200 – I have this TV on my patio with a Roku streaming device. When the TV power is OFF, the Roku menu can be seen with a flashlight and apps such as Netflix play with sound. As soon as the TV is powered on, the image goes away and cannot be seen with the flashlight and the screen is completely black with no sound or menu functionality.

    Most of the videos I’ve watched address the flashlight test with the TV on, but none discuss being able to see video with a flashlight and the TV power OFF.

    Any ideas?

    Thanks

    Reply
  • August 14, 2019 at 4:56 am
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    The video can see only with the help of flashlight

    Reply
  • August 15, 2019 at 10:26 pm
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    Sharp TV is on it has a blue light but no audio or screen is showing nothing

    Reply
  • August 16, 2019 at 12:25 am
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    mine will turn on but it goes to a grey screen then like 5min then it turns off

    Reply
  • August 16, 2019 at 2:10 pm
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    Does the Westinghouse LD-4055 have the LED driver and inverters built in to the power board or are they seperate?

    Reply
  • August 16, 2019 at 10:10 pm
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    U know what just replace ur hdmi

    Reply
  • August 17, 2019 at 2:55 am
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    Mines have no SOUND or picture but I have power

    Reply
  • August 19, 2019 at 3:52 pm
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    Dear Sir, Please help-
    Samsung LED TV – UA40D5003BR, Sound is ok and backlight is on but there is no picture, did flashlight test but nothing shows up. Samsung tech checked it and said I'll need a new display and proposed a hefty charge for replacement. One thing i noticed while he was working on my tv is that once he removed one of the two ribbon cables from tcon board, my half led screen lit up, though nothing showed up and other half lit up when he did the same with other ribbon cable.
    So is there really a problem with display or can a simple tcon board replacement fix it ?
    Thanks

    Reply
  • August 19, 2019 at 4:11 pm
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    I have this problem with my Musrun MP3 player display right now. It looks blank until I shine a flashlight on it, then it becomes barely visible.

    Reply
  • August 19, 2019 at 5:26 pm
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    TV-Toshiba -20HLV15, CHARGER#77L20876A. I have sound but no picture. Charger connection when plugged in seems loose. Moving wire around, in the past would regain picture. Not now.

    Reply
  • August 21, 2019 at 3:44 am
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    I have a Westinghouse ld-3240 the blue light that comes on when you push the button remains blue but I can't get any sound or picture. Help?

    Reply
  • August 21, 2019 at 1:13 pm
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    I have a Vizio VP422 that has sound but no picture. What is the problem?

    Reply
  • August 22, 2019 at 4:36 pm
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    Where do I get a led adapter

    Reply
  • August 22, 2019 at 10:58 pm
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    sony kdl40hx701..no pic no back light no audio..no image screen seen with flashlight..tv turns on shows green light

    Reply
  • August 24, 2019 at 1:04 am
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    Samsung model un55h6203afxza. Did the flashlight test. No backlight but audio. But, how often is the failure the actual backlights versus the led backlight driver on the power board. My power board shows no signs of failure. No burn marks and no swelling caps. If I get the power board and it doesn't fix the problem, can I return it and get the backlights to try to fix it?

    Reply
  • August 25, 2019 at 10:17 am
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    My 3d TV screen just went out and now the sound to. It want even make a sound when i cut it on.

    Reply
  • August 25, 2019 at 4:41 pm
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    Hi, I have an RCA 65” LCD TV that abruptly went black & lost audio while watching. External speakers still have audio though. We tried changing the power supply board but that did nothing. The model # for the tv is LED65G55R120Q, any help would be greatly appreciated

    Reply
  • August 25, 2019 at 8:04 pm
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    Hi there, my LG TV 55UJ6300 was damaged (no image and sound)after thunder storm lighting and I bought from you a motherboard, electric board, and a T-con! I have replaced both of them and only sound was back no image! Can you please advise what Can I check more to be able to have the image back and fix my TV!
    Thank you in advance.

    Reply
  • August 25, 2019 at 8:37 pm
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    Hello i have a 51 inch Samsung tv
    Problem is no picture and this is the model
    PN5D450A2DXZA

    Reply
  • August 25, 2019 at 10:39 pm
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    I have a vizeo E70U-D3 TV. It has a blank black screen. I had to replace the main power supply board because the voltage was fluctuating and I had burned spots on the board. After performing the flashlight test I can see my volume bar on the screen. When the TV originally went out I had a sound bar hooked up to it and I had volume through the sound bar. Any advice would be greatly appreciated. Thank you in advance

    Reply
  • August 26, 2019 at 1:06 am
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    what are the cost of these boards?

    Reply
  • August 26, 2019 at 11:52 pm
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    Mil LG 55E9100 NO pawer boto frisa in pawer

    Reply
  • August 27, 2019 at 1:44 pm
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    Hi,i have LG lcd tv in repair and the problem is when switch on tv ,sometime picture come and when switch off and on again ihave only soud but no picture.when tv drive normaly there is a green led flash on T-con board and when there is no picture it's don't flash ,my question is do you think there problem can be in T-con board ,i have check bad solder on all panel and on power supply all voltage mesure is ok and thaks for your answer lee

    Reply
  • August 27, 2019 at 6:31 pm
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    Hi,i have a Toshiba tv LCD 32D1334DB ,i have sound and can see picture when i shine a torchlight at the screen i can't see any back lights and wondered which board to change,there are 2 boards behind the screen,any advice would be appreciated,thanks Paul

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  • August 29, 2019 at 12:58 am
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    Great real video thank you so much for the information I definitely would attempt changing what needs to be done I luckily Ihave a warranty so I will be pursuing that direction thanks again

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  • August 29, 2019 at 11:25 am
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    How much if backlight change

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  • August 30, 2019 at 3:53 am
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    I have black screen but audio is on.

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  • August 30, 2019 at 3:42 pm
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    My tv is a led haier tv. I can see the light but no picture. There is also is a back light that's white that I can see through the back of tv. I don't know what's the problem an have done some research. Plz contact me as soon as possible

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