Question about Toshiba 37AV502U 37 in. LCD HDTV

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My toshiba 37av502u tv randomly shuts off and on. Sometimes the tv stays on all day, other times, it is constantly shutting off and on?

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

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Posted on Jan 02, 2017

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Anonymous

  • 1 Answer

SOURCE: toshiba md20p1c tv power won't stay on

The problem is Q401. Change it. It is a 2SC1624 but a 2SC1018 will also work. This solution will work for other Toshiba P combo units.

Posted on Mar 14, 2008

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Anonymous

  • 1 Answer

SOURCE: Viore 52' TV randomly shuts off. front lights blink then stop.

I am having the same problem with my PRT50V24D shutting off and blinking lights. After going to viore.com and calling the number listed, I got recording to call another number. When got rep on line I was told it is made by Samsung, Called their tech support and was told that sounds like power problem or bulb getting ready to go. Also if outside of warranty will have to call repair man to see what's wrong. I will have a repair man out next week and will post his results here. Most likely it's the same issue. This is the tech support number for Samsung 1-888-697-2247. Good Luck man. Matt

Posted on Dec 12, 2008

Anonymous

  • 6 Answers

SOURCE: Toshiba A205-S4607 Laptop

This may be a problem if your laptop has problems with heat. Being in a cool room with a lot of air-flow should solve this.
Although your laptop may have 'brain-damage' as such. In the respect that if you've dropped the laptop before or it has taken hits etc it may randomly turn it self on, or refuse to boot. If this is the case, there's no real way to deal with it.

Posted on Feb 21, 2009

Anonymous

  • 10 Answers

SOURCE: Random Shutdown

Toshiba's are notorious dust collectors, try blowing back through the air vents and some clever use of the vacuum cleaner on the intakes can bring it back to life. also check the RAM for dust and dirt on the pins and clean as required. USE ANTI-STATIC Precautions!

Posted on Feb 21, 2009

Amandeep Singh

  • 133 Answers

SOURCE: Shuts off Randomly

I'm sure about this one. Your Charger is faulty, buy a new one, it happened to mine as well, buying new charger solved it.

Posted on Mar 24, 2009

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Toshiba 37 inch flat screen 37AV502U keep turning itself on then off randomly. Any ideas what it could be?


Fault to the main power supply regulator section. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts.
http://electro-medical.blogspot.com/

It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.

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The fault is with its main board, horizontal output section circuit. This is not a user repariable fault.

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It is a good possibility that you have 1 of your inverter transformers going bad. I wouldn't wait to have it looked at. It can cause more damage if the bad one let's go all together.

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Shuts off Randomly


I'm sure about this one. Your Charger is faulty, buy a new one, it happened to mine as well, buying new charger solved it.

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prob  erratic connection  on pc board finding same problem.  

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Assistant


is this electricity pocket plugged up to a timer ? or take the tv back to the shop... lost the receit just look for the same tv on computer

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