Question about Mitsubishi LT-46246 46 in. HDTV LCD TV

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TV won't turn on. The power light is flashing. I have tried unplugging it from the wall for a minute and plugging it back in and it didn't help. What can I do?

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 1153 Answers

SOURCE: My TV won't turn on. The Green light just keeps on flashing

1. Check for no 8.4 volts DC at pin 3 of PC9A10 on the Power PCB, if low or missing replace PC9A10 part # 268P058020. 2. LED does not blink at plug in. Check for 3.3-volts DC at connector RF pin 3 (system reset) if low or missing suspect the reset switch S7L20 part # 432P109010 on the Control PCB. 3. LED does not stop blinking after plug in. Verify the standby supplies, 12-volts at connector KA pin 17, 6-volts at KA pin 18 and the 28-volts at KA pin 19, if the supplies are present suspect the DM PCB part # 934C067002 4. LED does not stop blinking after plug in. Check C9B01, C9B02, C9B10, and C9B11 (1000 UFD 16) on the DM PCB, if they are bad replace them with part # 181P734030 (680 UFD 16 V). 5. LED stops blinking after 70 seconds of plug in but will not power on. This model is equipped with a keyboard lock feature; this can be mistaken as a no power condition. To unlock the keyboard press and hold the "menu" button on the front panel for 10 seconds 6. LED stops blinking after 70 seconds of plug in but will not power on. Check for 3.2 volts DC at connector RF pin 4 and 5 on the Signal PCB if low suspect problems with the switches/buttons on the Control PCB part # 935D736001 7. LED stops blinking after 70 seconds of plug in but will not power on. Keyboard is not locked and key inputs at connector RF pin 4 and 5 check good suspect the E2P PCB part # 934C061001

Posted on Sep 05, 2007

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ctf1800
  • 4402 Answers

SOURCE: Flashing Green Light on Front of 73" Projection TV

on the signal board replace the caps by the 5/9 volt regulators. c2p04 is the main culprit. 6 caps in total can be changed. I believe c2p05 also.

Posted on Dec 15, 2007

Slinteriors
  • 8617 Answers

SOURCE: green power light will not stop flashing and tv will not turn on or off

You need to replace the 1000uf capacitors on the DM board thats the classic symptom of the DM caps being bad the light continues to blink repeatedly. If you need more info on the repair let me know.

Posted on May 16, 2008

  • 1 Answer

SOURCE: Power problem

OMG!! I had the exact same problem! I unplugged the TV to paint and it stopped working with a flashing green button. I ran my fingers along the bottom of the screen and it actually worked.. wow THANKS A TON!!!

Posted on Jul 06, 2008

  • 1 Answer

SOURCE: blinking green light, will not power up

my 55613 tv wont turn on just blinking green light

Posted on Sep 19, 2008

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