Question about Samsung HP-T5044 50 in. Plasma TV

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Tv wont turn on

Tv will not turn on. is there a fuse inside the tv that could have blown or do i need to get a new powerboard? if i need a new powerboard does anyone have the part number to the board. just in case that is the problem.

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  • fenixalfasta Sep 09, 2008

    tv works perfectly about 1 min. then start turning on-off by itself

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You can check the two board.
One is Power board another one is Y-main.
You can find right part with serial # & version #.

Posted on Feb 12, 2009

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Won't turn ON. Found F601 fuse blown on power supply/inverter board. What's the most likely culprit?


Emerson BA17F1F0102 Power Supply Repair Kit LC320EM2

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This Emerson BA17F1F0102 Power Supply Repair Kit LC320EM2 ... board. If the TVhas no power it is most likely because of a blown fuse and failure of other preceding components. ... I tested F601, Q600, R602, 608 and 611, and found them to be bad. ...Power Supply / Inverter Board - Joseph A. on March 4th, 2015.

Common TV Repair for Emerson, Sylvania, Philips ...

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... LCD TV repairs for Emerson, Sylvania, Philips, Magnavox,blowing fuses "no power" i recommend a TV service LCD repair kit at ... powersupply power-supply "power supply" powerboard "power board" part2 part 2 pt2 ...

What Causes a Blown Fuse in TV Sylvania LCD - YouTube

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Jan 01, 2016 | Televison & Video

1 Answer

Power wont turn on


When it have this kind of error is a problem of the powerboard.
Anyway you must open it and look at the all capacitors and if are them inflated, if them are inflated must change them.

But can be a problem with inverters... control the transistors - MOSFET on the powerboard.

Good luck!

Mar 23, 2013 | BenQ Computers & Internet

1 Answer

I unplugged tv to move it across the room now it wont turn back on??


POE:
  1. Connect tv directly to socket without any powerboards and make sure the power cord is properly inserted (if it works than any powerboard you have been using is probably faulty)
  2. Try a different power cord
  3. See if socket is dead using another appliance. If another appliance works then the Tv is probably damaged (refer to warranty if applicable)
  4. if other appliances don't work in that socket check your fuse box.
  5. If fuse box is fine then try a different socket (if it works you may need to get an experienced person to fix the socket your trying to plug the tv into)

Dec 20, 2010 | Televison & Video

1 Answer

Tv wont turn on


If you want to DYI this tv yourself be careful for voltages.
Check the power board for standby +5 volt to the power botton.
If there is none, check the powerboard for open contacts; fuses, fried resitors or the FET. A photo-coupler sometimes is also the problem. Its a small black part with 4 to 6 pins that overbridge and regulate the need for voltages from the main and the powerboard.
If there is power but the tv still wont start, check the horizontal output.

Success

Aug 26, 2010 | Memorex MVD2019 19 in. TV/DVD Combo

1 Answer

My viewsonic vx2255 wont turn on sometimes i have also found a noise coming from the powerboard and once it goes away the monitor will turn on


You may have caps leaking in the power supply or arcing from the lamp assemblies, you need to open it up.
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed VIEWSONIC monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
http://en.wikipedia.org/wiki/Capacitor_plague

http://www.badcaps.net

May 16, 2010 | ViewSonic VX2255 Monitor

1 Answer

The television just won't turn on but my outlet plugs are working fine.


The first thing you should do is open it up and check for a blown fuse. I have serviced several LCD TVs with blown fuses on their powerboards, and I assume plasma TV's use conventional fuses as well.
You should be able to bring the fuse into radioshack for a replacement.

Mar 26, 2010 | Panasonic TH-50PC77U 50 in. Plasma TV

2 Answers

Vizio hdtv 32 inch wont come on.


Most likely the TV has a power supply related problem. It's possible that it maybe a bad capacitor or transformer on the power supply board. Or, it maybe something simple like a blown fuse inside the TV. But, I can't say it's 100% the problem because I can't actually look at the tv over the internet. I can only make guesses with the symptom.

You have a few choices:

1. You can try leaving the TV unplugged for 30 - 45 minutes so the TV can discharge and reset itself.
2. If by chance the TV is still under warranty, go that route.

3. If you have some electronic experience, if you can find and purchase a Service Manual over the internet; It will help you diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you red light blinking codes, circuit diagrams, test points, and part# lists.Usually, cost under $20. And most cases the new part cost less than $15.

4. Pay a TV shop to do the repairs. It maybe costly, but get an estimate of how much they will charge. That way you can decide if it worth repairing or replacing the whole TV.


I hope I shed some light on the subject for you.

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

1 Answer

TV WONT TURN ON


Got it fixed. Removed back off tv and found the fuse right where the cord enters. Removed fuse[didn't look like it was blown] and got new one from radio shack, installed and now the tv works. That was all it was. Thanks again

Apr 05, 2009 | Panasonic CT-32SL14 32" TV

1 Answer

Tv wont turn on


Hello tvlover, The outage actually is not the problem but the spike that happened when your power came back on did the damage. That aside, you may just have a blown fuse. If you are able to and feel comfortable work with electronics, with the TV unplugged from the wall, take the back off of your TV and take a look at the line cord going into the circuit board, this will lead you to a fuse holder, look at the fuse and see if the filament inside has been blown (opened). If the fuse is blown relace it with one of the same amperage and voltage which should be written on the metal part of the fuse. Once the fuse is replaced, plug the power cord back into the wall and power it up. If it comes on and plays, that was your problem and you can turn the TV off unplug it and put the back cover back on, plug your TV back into the wall and enjoy. However if the fuse blows again, that could indicate a problem with a short somewhere in the powersupply path and that will require troubleshooting the set. Now I we have to troubleshhot this TV you will need a multimeter, an oscilloscope, and a schematic of the TV (at a minimum). If you do have electronics experience to this level and do not have this type of equipment, You will have to take the TV to a repair shop. Thank you, and I hope that it is just a blown fuse.

Aug 25, 2007 | Sansui DTV2760 27" TV

1 Answer

Power surge I think


If you do not get any clicking or sound when trying to turn on the TV set, most likely the main fuse went out. This is almost always due to something else blowing out along or making the fuse to blow out. DO NOT SIMPLY REPLCE THE BLOWN FUSE! If there is other shorts inside the set, and you replace the blown fuse, you can cause more damage to the TV set. The best way to test this set if the fuse is blown would be to hook up a 100 to 150 watt light bulb across the blown fuse, and if there is a short in the TV set the light bulb will glow bright and stay bright. If the bulb lights up and goes dim maybe just maybe you got luck so replace the fuse and see what happens. If the light bulkb stays bright, there is a short in the set somewhere and if you do not have a service manual and a good multimeter and a knowledge of how the TV power supply works, you really should call in a pro to assist you in the repair of this TV. there is just too much High Voltage inside these TV sets to be experieenting around inside of it. Good Luck.

Mar 14, 2007 | Toshiba 36A43 36" TV

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