Question about TruTech PLV1615T 15 in. LCD Television

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TV Keeps turning off

My TV will keep turning off for no reason sometimes its within 1 minute of it being on. Now its to the point I dont even use it. Please help. Very annoying

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  • mauchen1 Feb 01, 2009

    My set comes on and goes off a second later,It seems like its in stand-by and won't come out.

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  • 623 Answers

I'd check the power supply or the fan. the tv will shut itself off if it gets too hot or doesn't register the fan as working, not to mention need full juice to run....

Posted on Nov 20, 2008

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1 Answer

Vizio LED TV E48-C2 keeps turning on by itself.


Turn it off and on using the power point. You will also save power as equipment still uses power in standby mode.

Aug 01, 2016 | Vizio Televison & Video

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Tv keeps turning off every 10 minutes


I see so many here with no sound/nopicture issues:

ISSUES:

1. IF sound main fuse/s are good.
2. If no power or standby check main fuse, standby power supply and any signsof damage you can see---burnt parts etc.
3. almost all these sets the troubleshooting involves checking voltages on the main power board to narrow down theproblem.
4. Be safe and if you do not know what you are doing don't open the set.

Answers to issues:

1. RE:fuses---if a blown fuse is found get a good replacement(not the genericones like Radio Shack). Many fuses are special even aside from amperage--Don'tput a higher rated amperage fuse in the set for any reason.

2. RE: power supply in set: if total dead aside from main fuse the set uses astandby power supply that runs 7/24 and a main supply (some are combined andsome not.

Here aside from checking fuses you want to examine all the filter caps on thepower/standby to see if any are puffed up or buldged up in some fashion--Iattach a photo of a good one---top should be silver metal and PERFECTLY flatand have no brown material coming out on top or bottom.

What happens in the standby area is they use caps with too low a voltage rating(saves money) which causes them to fail in a year or two---the standby runs7/24 and the heat dries out the caps and they fail.

3. Trouble shooting consists of the above and then at some point you have to buyand try a board to see if it fixes it or not.

4. Safety first--no TV set is worth getting injured or even killed over.If set is opened at least look for puffed up and bad caps like in thisphoto.4_23_2012_4_19_57_pm.jpg

Apr 22, 2012 | Vizio VO47L 47 in. LCD TV

1 Answer

Vertical black lines appear intermitently


Does the line appear on just one input(cable,hdmi,video1,video2,ect) or on all of them? The reason why I ask is it may be just an issue with one input setting on the television and you may be able to use a different input for a temporary fix of the problem. Plasma telivisions run very hot and it may be overheating. Try using a small mountable fan above the TV pointed into the back heat vents and see if keeping it cooler keeps the issue from happening. These TVs are repairable but usually cost more to repair than what it is worth due to plasma TVs are very in-expensive now.

Sep 04, 2009 | Maxent MX-42V1 42 in. Plasma Television

1 Answer

Tv Turn sound on, No Picture, turns itself off within seconds


The TV is trying to go on protect mode because an internal fault had been detected. For that reson the protection circuit keeps turning off TV continuously.

Try first leaving the TV power cord unplugged for some times, let say one hour or so.

Also ensure that the fault is not coming from a faulty receiver box sending bad signal, check if you get same problem with no receiver box or dvd connected.

If that does not work, and you keep having a flashing led on front of the TV, and tv turning off by itself after a while, that indicates a fault condition.

The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible reasons.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or abroken contact, identified an internal fault and kicked in , startingthe flashing light.


If you are in situation one, then theTV will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

Common faults that can occur are a blown capacitor on power board, a convergence IC has blown, or a fault on Digital board.

Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.


If under warranty contact the manufacturer ringing the number on the user manual

May 23, 2009 | Sony KLV-30HR3 30 in. LCD Television

4 Answers

Deep Sleep


use the TV VIZEO remote to get out of RGB mode and go to hdmi2 and for me that ALWAYS works.  or whatever mode your cable is set to.  good luck

Sep 11, 2008 | Vizio P50HDTV10A 50 in. Plasma HDTV

1 Answer

Tv cuts off and green light flashes


If your set was manufactured around July 2005, you may need a firmware upgrade to solve this issue. On the Sony website you can enter your model # and serial # to see if you TV is affected. If so, it is easy to have done and may be free from Sony. It sounds like the issue they described in the writeup on the required formware update. I had mine done within few months of when i bought it (purchased in Dec 2005) and it has been working flawlessly since.

Good luck!

Donnieboy999

Jul 19, 2008 | Sony KDF-E42A10 42 in. LCD Television

1 Answer

Samsung Big Screen


First of all what is the model # and date of mfg, and also if there is one... On side of unit.. Version #. It could be fractured solder joints on Power supply board. Let me know if this gets you any closer. See you soon. Jay

Jan 30, 2008 | Televison & Video

1 Answer

Panasonic TH-50PV30


You can check the board where the components are mounted and resolder any that look bad. a brief power outages may cause the TV to turn off on its own. If you are using a surge protector, try connecting the set directly to the wall outlet. In your case it could caused by a blown fuse, a leaky diodes or a bad solder joint at the horizontal drive transformer. all can be replaced at a local electronic or hardware store and they're easy to replace If this does not correct the problem, you may need to have your TV serviced.

Dec 21, 2005 | Panasonic TH-50PV30 50 in. Plasma...

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