Question about Toshiba 55SL417U 55"" 1080p LED-LCD TV - 16:9 - HDTV 1080p - 120 Hz
There were no LED light up or screen turn on. When I plug in power, I heard the relay click on then off after 2 seconds. I check the 5V power, it is stay on even after the relay turned off. The 12V and 24V are gone after the relay off, which I assume is the normal thing.
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Posted on Jan 02, 2017
SOURCE: Toshiba 42HPX95 wont turn on
I am having the exact same problem with my Toshiba 42HP95. From the information that I have been able to glean from the internet, it looks to be some sort of problem with the power supply or some other component of the power circuit. I am giving up and getting service
Posted on Jan 16, 2008
The clicking sound is the internal protection switch that kicked in because a fault had been detected.
First ensure that the fault is not coming from a faulty receiver box sending bad signal, check if you get same problem on dvd with no receiver box 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 Monitor goes on protection there are only two possible causes.
1The internal circuits are jammed because of electrostatic chargesaccumulating on capacitors, or because of a wrong voltage read by themain chip on your monitor controller board. this started the protectioncircuit.
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 occurr 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 statebecause of the video cable.
Try moving the video cable, and if the cable is not built in, then also try a replacement cable.
If under warranty contact the manufacturer ringing the number on the user manual
If you want to repair at your own expenses, just locate any good qualified repairer.
Posted on Mar 15, 2009
Part of the power supply is in protect mode. There is most likely a short or something failed on one or more of the boards.
The service rep would swap out boards to locate the fault. Then he would leave the new board(s) in the set, and perform any necessary adjustments.
Take the set in for an estimate before approving repairs. There are many times these sets are not worth serving when they are out of warranty.
Posted on Mar 05, 2010
SOURCE: Our Toshiba 42HL196 TV refuses
If the tv doesn't reset after being unplugged awhile, there's an internal problem, and the unit will have to be serviced. Make sure the cable input isn't loose, and that the cable cord is good. Aside from that, there's not much you can do. Some cities have mobile TV repairmen that will service the unit in your home, and it's much more convenient. Look in your Yellow Pages under TV Repair.
Good luck, and hope this helps.
Posted on Mar 01, 2011
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