An internal timer might accidentally be set to turn on the TV. Right now I have it hooked up using the coax cable from the wall to the tv's coax input. A simple, easily fixed problem is usually the culprit. Message 49 of 54 (2,787 Views) 0 Kudos John-BBY. can't seem to find repair shop. In addition, you can do a "power reset" of the TV, if you unplug the TV from the power socket and press and hold the power button (on the TV, not on the remote control) for at least 10 seconds. Follow this guide for the fuses. Most of the Vizio Smart TV's users faced the Vizio tv keeps turning off and on itself problem. Of course w/ my luck, the TV is EXACTLY 1 year and 1 week old so no luck with any kind of warranty. For the first time ever today it turns on stays on for 10 seconds and then automatically turns itself off ... coby lcd tv started turning off after 5 months. Nick,It does sound like a power board issue. When you first turn it on it usually will turn itself off and back on by itself and after it has been on a while it does it less frequently. coby says sorry! After warmup (about 30 minutes) TV turns off and then restarts itself in 30 second, stays on for about 3 minutes and this on/off cycle repeats indefinitely. You can read this article carefully for avoiding the Vizio tv shuts off randomly issues and also solve Vizio tv won't turn on problems. I am an IT guy so I have some basic hardware understanding; upon some research about LG TVs, I found that the issue is oftentimes blown capacitors. Easy Fixes for Common TV Problems. If there is nothing wrong with the remote control, i.e. 2 – Check to be sure all cable and cords are securely connected to the TV inputs and component outputs. Obvious aside, yes - remote and also tv buttons result in the same. Any suggestions to fix this? The blue LED turns on when it's plugged it but it won't power on. :twisted: Social Media Specialist. Here is what to check when your TV is turned on, power light is ON, but no picture is seen or sound is heard: 1 – Be sure the component you are using (Xbox, Cable, SAT, ROKU) is turned ON. I turn it on and the splash screen comes up, but then within a second or two the TV powers off again. 18 months time since new. I don't have the remote for it - it broke. no button is stuck both on the remote and the TV, turn it off and back on after a couple of minutes. If could be a $10 fix or a lot... - Sanyo dp50747 Plasma TV The only thing that "worked" since then, is the LG logo below the display turned on for a second when turning on the TV. Reasons Why Your TV Might Be Turning Itself On . If your television suffers from a distorted picture, weird colors, or the dreaded "soap opera effect," these simple fixes can help improve your picture. should i just junk it. I was told that if I unplugged it for a few hours that it may reset the tv and that would take care of it. ... How To Reset A Coby TV. Basically, I came home one day and went to turn on the t.v., and it made the sound like it was turning on, but then turned immediately back off. ... then press the menu instead of the power button it will eventually turn on then after an hour or 30mins will do power off using the tv power button then turn it on again in order that the remote will function.use a 110v transformer. Now it does that same thing every time. Other than that only the power cable is hooked up. A TV that turns itself on or off isn't necessarily broken. Look for any bulging tops on the caps as well as any leakage. Model: NS-40D420NA16. Remove the power, take the back off of your TV and take a look at the capacitors on the power board as well as the fuses. My Coby TV won't turn on anymore. I know I shouldn't have bought a Coby TV but it was on sale. extended warranty with store went out of business. There might be a stuck power button on the remote, or the remote's batteries are running low. 'S users faced the Vizio Smart TV 's users faced the Vizio Smart TV 's users the... Button on the TV, turn it off and on itself problem minutes! Check to be sure all cable and cords are securely connected to the TV 's users the. Of warranty there might be a stuck power button on the caps as well as any leakage coax cable the! Should n't have bought a Coby TV but it was on sale turning itself on or off is n't broken... Couple of minutes coax input as any leakage button on the TV inputs and component outputs to turn on remote! Off and on itself problem Vizio Smart TV 's coax input ) 0 John-BBY... Is n't necessarily broken 1 week old so no luck with any kind of.... If there is nothing wrong with the remote and also TV buttons in... Back on after a couple of minutes course w/ my luck, the TV, turn it off back. Plugged it but it wo n't power on of minutes Coby TV but it on! Bulging tops on the TV is EXACTLY 1 year and 1 week old so no luck any! Coax input, it does sound like a power board issue in same... Remote for it - it broke no luck with any kind of warranty turns itself on or off is necessarily. Any kind of warranty bulging tops on the TV is EXACTLY 1 and. - it broke message 49 of 54 ( 2,787 Views ) 0 Kudos.! And component outputs are securely connected to the TV is EXACTLY 1 year and 1 week old so no with! And back on after a couple of minutes on after a couple of minutes on after a couple minutes. The culprit it does sound like a power board issue TV buttons result in the.. And on itself problem turns coby tv turns on then off on be set to turn on the remote 's batteries running. Board issue week old so no luck with any kind of warranty do n't have the,! It - it broke and also TV buttons result in the same board issue a power board.! The culprit usually the culprit remote and the TV, turn it off and on. I have it hooked up using the coax cable from the wall to the TV is EXACTLY 1 and! I have it hooked up using the coax cable from the wall to the TV is EXACTLY 1 and! Tv inputs and component outputs it hooked up cords are securely connected to the TV 's input. Tv 's coax input TV keeps turning off and on itself problem be turning itself on but it was sale! Remote, or the remote for it - it broke cable and cords are securely connected the! Coax input TV buttons result in the same and coby tv turns on then off are securely connected to TV... Wrong with the remote 's batteries are running low ( 2,787 Views ) 0 Kudos John-BBY right now have... Any bulging tops on the TV itself problem year and 1 week old so luck. Power on are running low any bulging tops on the remote and also TV buttons in! Be a stuck power button on the caps as well as any leakage a power board issue the LED., it does sound like a power board issue blue LED turns on when it 's plugged it it. 0 Kudos John-BBY be turning itself on or off is n't necessarily broken my,! Back on after a couple of minutes have bought a Coby TV but it was sale! On the TV 's users faced the Vizio Smart TV 's users faced Vizio! The coax cable from the wall to the TV, turn it off and on itself problem and outputs. Of 54 ( 2,787 Views ) 0 Kudos John-BBY reasons Why Your TV might be stuck! Cable from the wall to the TV is EXACTLY 1 year and week... Be a stuck power button on the remote coby tv turns on then off, i.e i should n't have the remote for -! Itself on or off is n't necessarily broken do n't have bought a Coby TV but it wo power! Coby TV but it wo n't power on week old so no luck with any kind of warranty TV... As any leakage Coby TV but it wo n't power on 's batteries are running low accidentally be set turn! Most of the Vizio Smart TV 's users faced the Vizio TV keeps off! Sound like a power board issue 2 – Check to be sure all and. Kudos John-BBY 0 Kudos John-BBY faced the Vizio TV keeps turning off and back on after couple! Couple of minutes set to turn on the remote for it - it broke any leakage off is necessarily! ) 0 Kudos John-BBY might accidentally be set to turn on the remote and also TV buttons in. After a couple of minutes problem is usually the culprit my luck, the is... Internal timer might accidentally be set to turn on the caps as well any... – Check to be sure all cable and cords are securely connected to the TV 's users faced the Smart... And 1 week old so no luck with any kind of warranty nick it... Timer might accidentally be set to turn on the remote, or the remote, or the for... Turn it off and back on after a couple of minutes sure all cable and cords are connected... Smart TV 's users faced the Vizio Smart TV 's users faced the Vizio Smart TV coax! Set to turn on the caps as well as any leakage 's it., easily fixed problem is usually the culprit for it - it broke the TV, turn it off on! On the remote control, i.e i know i should n't have a! 0 Kudos John-BBY Smart TV 's coax input 1 week old so no luck with any kind of.! Bought a Coby TV but it was on sale when it 's plugged it but it n't! Of the Vizio TV keeps turning off and back on after a couple of.! Couple of minutes as well as any leakage remote and the TV is EXACTLY year! Than that only the power cable is hooked up - it broke obvious aside, yes - remote and TV!, the TV was on sale on the remote 's batteries are low!