Question about Hitachi 53FDX20B 53" Rear Projection Television

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Power on After the tv has been turned off, it will come on automatically at random times

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Try and look under a menu or something in the tv maybe it is on some kind of timer..

Posted on Oct 27, 2008

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My TV randomly switches itself off and the red light flashes continously and i have to pull out the plug. its getting more frequent


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1 Answer

I have a 58 inch Sanyo flat screen TV, I turn it on everything works fine, shuts down in about 10 minutes! Sound stays on though. If I shut it off and turn it back on it does the same thing!


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Dec 17, 2015 | Televison & Video

1 Answer

Why does my tv shut off randomly


Could be the timer is set to automatically turn the tv off after a set amt of time, or perhaps your power cable is loose

Aug 11, 2015 | Televison & Video

1 Answer

Shuts itself off periodically


If the period of time in question is reasonably consistent - say 45 minutes after powering up it shuts off - you could be suffering from an overheating issue inside the unit. Temprature sensors can override manual operation and shut the unit off to avoid greater damage (or even a fire) occuring. Have the TV serviced.
If you find it happens at random time intervals from cold this is less likely to be the case and it could be relative to the mains power supply going to the TV. If you suffer from 'dirty power' (power that dips and surges instead of giving a consistent voltage) this could also cause an automatic shutdown condition within the TV. This could happen at any time after the unit has been turned on. An unterruptible power supply (UPS) would help with that.

Aug 18, 2009 | Vizio L32 32 in. LCD HDTV

1 Answer

TV Turns Off Automatically While Watching


Stop trying to turn on the set. You are causing more damage. The hissing sound you are hearing is either a High Voltage Transformer on the SMPS (Switched Mode Power Supply) indicating a short somewhere in the set or some capicitors that have shorted out. Also there can be a CRT that is leaking cooling fluid onto the Main bd or the Power/Deflection bd or both bds. Have a trained Samsung tech troubleshoot the set.

Jul 15, 2009 | Samsung HCM4215W 42" Rear Projection...

1 Answer

LCD TV Randomly Powers off and then back on


I would worry about polterguists

j/k

Check your remote batteries.

I had a TV remote that would do some weird things when the batteries were dying, like the problems you describe.

Jun 15, 2009 | Norcent Technologies LT-2720 27 in....

1 Answer

TV Automatically Turns Off


There are so many different places where an intermittant problem of this kind could occur, it will be nearly impossible for anyone to give you any clear guidance on this one. The most common failure in modern sets is related to the power supply but that kind of problem is one that appears sometimes as a gradual decay of its time to power up or a decreasing length of operating time and finally a failure to turn on at all.
There is a section that is kept 'alive' by a small part of the power supply so the set can accept commands from your remote to power up the rest of the set and the receiver of the remote's IR output stays turned on as long as AC is connected. This section could have a semiconductor that is intermittant so that it sends a command to turn the set on or off without you using the remote to send the command. There are tens of thousands of individual active and passive components in our modern sets and only one single part needs to be randomly failing to cause your problem.
There is a slim chance that the remote is the culprit since they too are never completely 'off' and it could be sending commands on its own. To eliminate this possibility, either take the battery out of the remote or put a pillow on top of it so the IR signal is absolutely disabled.
If the set still does what it pleases, then the remote is OK and the trouble is then definitely in the set itself.
The remote receiver electronics in the set could be part of the main board or a separate item on a small auxilliary board so whoever gets this to repair will need the whole set available. 

Nov 07, 2008 | Memorex MLT3221 32 in. LCD TV

1 Answer

Philips/Magnavox TV, model MS3250C321 shuts off randomly.


TV shutting off automatically means its a problem with the Lamp. Contact Pioneer or any local tech shop or Best buy and get the same replaced.
Turning off after specific time : Go to the timer option and disable the Automatically Switch off option. This will resolve the issue. Please let me know if it worked. If you need the user manual or instruction manula please click on the link below
http://www.generalmanual.com/Televisions/Sanyo-DP19647-Wide-Screen-Integrated-Digital-LCD-HDTV.htm. Hope this will be of help to you.

Thanks

Oct 17, 2008 | Televison & Video

1 Answer

Powers on and off randomly


one of your tubes are bad...call tech

Nov 26, 2007 | Toshiba TP55H60 55" Rear Projection...

2 Answers

Samsung TV turns off at random times


Samsung TV turns off at random times it is purely due to loose contact in 1 connector 2 print loose 3 compnent in power supply loose.

Sep 25, 2007 | Televison & Video

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