Question about Samsung TXE2546 25" TV

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Samsung TXE2546 25" TV Problem

When the set is turned on initially, it may run from 30 to 60 seconds. Then it will shut down, at least the high voltage will shut down. Then it will come back up for a few moments and sutdown for a few moments. This cycle will continue as long as the set is plugged in. At this point the on-off button won't shut it down.

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Check for hot spots on circuit board = solder any/all bad connects + check for bad capacitors.......T

Posted on Oct 26, 2007

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Posted on Jan 02, 2017

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Tv blinks green for a few seconds then u hear a exhaust sound and then the lamp light turns red and shuts down.


Check the high voltage circuit. The TV has a chip that checks all the circuits before allowing to turn on. My Samsung had only a high voltage of 380 votes DC at the capacitor. Samsung has 3 boards, inputs (control), video and power boards which has 120 volts enter leading to a fuse, then a small high voltage transformer, with a capacitor - 100 uf rated at 450 volts. Found two capacitors - 150 uf and 220 uf rated at only 400 volts and connected them in parallel and measured the voltage showing 391 volts. The TV worked again. Good lucky

Jan 11, 2018 | Panasonic PT-56LCZ70 56" HDTV

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Tv keeps shutting off. Currently no soud or picture


The set has a color wheel which may be bad, it often makes a high pitched or fan like sound prior to failure--it can even be a grinding noise.

I would with set unplugged remove the lamp cartridge and look where it faces---the color wheel can be seen.

What you are looking for is wheel shattered or missing any of the colored segments? If wheel does not turn or runs too slow set will detect this and shut lamp off etc.

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Aug 29, 2012 | Samsung HL-S4266W 42" HDTV

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Mitsubishi TV, WD 60735; TV shuts off shortly after powering up.


It could be but a couple of other possible reasons---they had problems with this set and its brothers with caps in the main power supply puffing up and causing this "hard to turn on" issue.

A second reason is dust/dirt inside the unit.

All air is coming in via the front of the set and exits the rear--enough dust gets inside and the fans slow down or the lamp gets too hot and set shuts down---don't try this in the house: we take them with back cover off outside the building (on a ramp) and with air clean them out completely--try not to blow it inside the screen. It looks like a dust storm in most cases but can cause exactly the problem you have.

Apr 23, 2012 | Mitsubishi WD-60735 Projection Television

1 Answer

When turning on samsung hln467w, lamp light blinks, screen stays dark, can hear audio from tv show, but then a high pitched sound begins for a few seconds. The tv turns on and off for a few cycles with the...


The tv have a colors wheel,have a whinning high pitch sound,mean colors wheel is warping not spinning right any more.The colors wheel is dead,must be replaced.The tv have high pitch sound,shutdown the projection lamp.The projection lamp might be dead or not?Not yet determine dead or just shutdown by the nonfunction of the colors wheel.

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1 Answer

Trouble changing device


Your problem may be solved by re-initializing the set. With the tv on use the remote and push MENU,2,1,7,0. A display will come up. Use the up down arrows on the remote to select INITIAL and press the enter key on the remote. That should do it.

May 04, 2009 | Mitsubishi WS-55511 55" Rear Projection...

1 Answer

TV shutting down


Probable main power supply failure. In all modern sets, there will be two power supplies; one that keeps the set enough alive to respond to the remote and a second one that does the 'heavy lifting' supplying several regulated voltages for different subsystems. This latter one has failed.
If you can locate the main supply board, it may be fairly easy to remove to send off to the factory for repair.   

Dec 04, 2008 | Televison & Video

2 Answers

HL-S5687 DLp tv


your keeping a part that is warming up and shuts down your shutdown that protects the tv from burning up... cooler... to find this you might need a hair dryer or a can of freeze mist.
I believe the left side is your high-voltage section.
you can also let it warm-up without the fan .. let it shut down and feel parts with set unplugged to see what is running hot.

Oct 22, 2008 | Samsung DLP HL-P4663W 46" Rear Projection...

2 Answers

TV TURNS OFF AT DIFFERENT INTERVALS


How old is your TV?
TV's have a circuit that monitors the high voltage and shuts down the set if it senses something amiss. If the set is at least 10 years old this is typical and not worth repairing. If less, figure on replacing the flyback transformer.
Hope ya fix it!

Jan 06, 2008 | Samsung TX-R2735 27" TV

1 Answer

Samsung PC J5225 shuts down after 3 - 5 seconds


It sounds like the tv power supply has problems. you probably should call a service center about a repair.

there are "safety" features built in to any tv with a "crt" type of screen that will not allow the tv to run when there is a problem.

Oct 20, 2007 | Samsung PCJ522R 52" Rear Projection...

2 Answers

Shuts off after 30 seconds of Play


is the set still under warranty,if so call for service if not when you turn it on try to listen near the side of the unit for a fan noise or high voltage arc sound and do you see light on the screen or in the rear of set.

Aug 30, 2007 | Samsung DLP HL-P5663W 56" TV

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