Question about Insignia IS-LCDTV32 32 in. Television

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Comes on then shuts off

When Iturn the tv on it will read no signal real quick then shut off

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Defective power supply

Posted on May 28, 2010


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1 Answer

LG 37inch flat screen TV turns off after a short while being on

The real clue is you have to unplug it- That means to me the microprocessor in the set is locking up or confused because of whatever is wrong with the set.

I suggest removing the set, Any cable or satellite box, and or a receiver from power for several minutes. It cannot hurt and in many cases helps a lot.

It will allow units to try to reboot. I have had two here recently where the signal from a box was causing the set to shut down or lock up.
failing that get it to a shop and have it looked at.

Dec 07, 2012 | LG 37 inch 5ms HDMI/HDCP Wide-Screen LCD...

1 Answer

Sony Bravia TV

If you get a blue screen at turn on and a short time later it shuts off--power supply is ok--set is shutting down as no signal detected to protect the screen.

If using a box first unplug it and wait and plug back--let box try to reboot itself.

Also as a test hook a DVD etc to a rear set of audio/video inputs and go to that input quickly when the set comes on (have DVD connected and on---see if set works that way.

No signal either a problem with the set or the signal source (box?).

Mar 31, 2012 | Televison & Video

1 Answer


you have a high voltage flyback transformer that probly went bad I have seen this problem before and that is the problem most of the time it is not a easy fix but depending on how old the tv is it is worth fixing! You need to call a shop and have them come out and fix it.

Jan 05, 2012 | RCA D52W19 52" Rear Projection Television

1 Answer

I have the model ltv-46w1hd tv, My problem that just started is as follows, Iturn my tv on and in about 15 shuts down ,as if an element heated up and shut it down . Could you please help me find...

The problem of your tv is only a loosed or cold solder this is an indication of thermal intermittent fault, if you try to remove the back cover of your tv try to check the solder side of the power supply but be sure to unplug the unit. If you see some loosed solder try to resolder it using a soldering iron and a lead but be careful not to connect separated pins it can cost much problem with your tv if accidentally connected. Or you can contact a technician to do it for you and save you from stress. Good day and best regards.

Aug 02, 2011 | Westinghouse LTV-46w1 HD 46 in. LCD...

1 Answer

I have pt50lc13. just repaced bulb and ballast as well as thermo on lamp box, tv come on for a few seconds and turns off, temp light flashes 3 times real quick. fans are working and clean gotta be...


If you have changed the tempreture sensor and the unit is not overheating then you have a problem in the circuit which the tempreture sensor goes to. Probably the IC which determines if the unit is overheating and sends the signal to the microcomputer to shut down.

There are two thermistors in your unit which can shut it down for overheating. I would first check the other thermistor, the one you haven't replaced. If both sensors are OK then IC6302 (sub micro controller IC) on the main board is bad. It is probably a surface mount IC so you cannot change it. You would have to put in a new board. A new board is available by special order only, at for $851.00 US.

Thanks for using FixYa and for the great rating.


Oct 19, 2010 | Panasonic Televison & Video

1 Answer

My Magnavox digital converter box shuts itself off every 5 minute

Check that you have not got an auto power off setting on. Check that the aerial connections are good. That the signal is strong from the stations it is picking up. Weak signals can cause the box to shut down.
It the box is very hot when it shuts down, you might have a fault on it.

Apr 04, 2017 | Philips Magnavox M61117 (DBM61117)

2 Answers

Keeps shutting off

It is not sensing an input signal. Try using another input source or seek service.

Nov 19, 2007 | LG 32LX3DC 32 in. LCD HDTV

1 Answer

Camera shut's off real quick

If you have an AC adapter, use it to power the camera while you try to change the setup in the menu. The camera may have been set to go to sleep mode very quickly. Please ensure that the rechargeable batteries are NiMH and are fully charged. If all this doesn't help, youre going to have to take it in for repair. Hewlett Packard is the only place that repairs this equipment.

Apr 16, 2007 | HP Photosmart 433 Digital Camera

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