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Mitsubishi wd73737 TV turns off within 1 min of power up

My mitsubishi wd73737 turns off bout a min r less on it's on after I power it up.. I've been trying everything I'm out of options . How do I reset it r reset the dlp lamp hours. I've unplugged it for 90 secs didnt work I've held down the power button for 10 secs and then turn it back on didnt work .. plz help I need my TV I'm going crazy

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  • Mitsubishi Master
  • 54,974 Answers

Failing power supply

Posted on Dec 03, 2019

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

SOURCE:

Hi there,
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.

Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.

Here's a link to this great service

Good luck!

Posted on Jan 02, 2017

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TVtechmaniac

David Makowski

  • 140 Answers

SOURCE: mitsubishi tv

Check 5A micro fuses F9A04 and F9A05 and if one or both are open replace both convergence IC's part# STK394-250

Posted on Aug 30, 2007

ginko

Ginko

  • 19396 Answers

SOURCE: Green TV timer light flashing and TV does not turn

The TV is on protect mode.

Try first leaving the TV power cord unplugged for some times, let say one hour or so.

Also ensure that the fault is not coming from a faulty receiver box sending bad signal, check if you get same problem with no receiver box or dvd connected.

If that does not work, and you keep having a flashing led on front of the TV, and tv turning off by itself after a while, that indicates a fault condition.

The flashing light indicates a diagnostic state called protection.
When the TV goes on protection there are only two possible reasons.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or abroken contact, identified an internal fault and kicked in , startingthe flashing light.


If you are in situation one, then theTV will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

Common faults that can occur are a blown capacitor on power board, a convergence IC has blown, or a fault on Digital board.

Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.


If under warranty contact the manufacturer ringing the number on the user manual

If you want to repair at your own expenses, just locate any good qualified repairer.

You can find parts here,

Appliance parts, electronics parts & more from PartStore.com

Encompass Parts Distribution

Electronic Replacement Parts: Plasma & LCD TVs, Appliances |

Posted on May 06, 2009

MICHAEL MULLINS

  • 927 Answers

SOURCE: Mitsubishi DLP WD62725 TV after powering down the

Good Day,
More than likey you have bad caps on DM Board.
It willcost about $450 to repair or you can do it yourself,.

On the DM PCB (part # 934C116002) check C81A2, C81A3, C81B3 and C81B4 (1000 UFD, 16V, 105C), if any are bad, replace all of them with part # 181P734030 (680 uFD, 16V,
The DM PCB is on the left hand side of the TV when you take off the back cover.

Good Luck, BIG IRISH,.

Posted on Dec 15, 2009

SD Tech

SD Tech

  • 14553 Answers

SOURCE: hi, I have a Mitsubishi wd-57733 dlp tv that shuts down

Ballast is possible if repeated lamp failure but I have a solution I posted several times for this type of problem that works and is simple to try:

http://www.fixya.com/support/t12296849-turns_off_shortly_after_turn?mt_f=viewFull162

Posted on Apr 30, 2012

Testimonial: "Thanks SD, I will hook up the air tank and see what happens."

gopakumarg43

The Knight

  • 76186 Answers

SOURCE: Mitsubishi 73"DLP wd-73638 won't turn on after power outage or getting unplugged

In most cases, this can be due to curropted software [firmware]. Contact the authoriized service center for Mitsubishi. Please do not try to update the software by yourself. It is a very skilled work to this set. Gopakumar Gopalan Google

Posted on Feb 24, 2014

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