Question about HP LC3760N 37 in. LCD HDTV

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Hp lc3760n power light flashing Power light and OPC light blink in a strange pattern, pressing Power On does nothing.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: No picture, but power is on...

Hi I have sort of the same problem with my sharp TV. It turns off when I play on my xbox elite. Sharp have been out 3 time and replaced a board in the back but insist there in no compatibility problem. I suggest you call sharp and maybe they will admit there is a problem with the TV they make.

Posted on Oct 25, 2007

VOTIT
  • 2071 Answers

SOURCE: POWER AND OPC LIGHT BLINKING GREEN

The condition of your TV called power supply overcurrent shutdown that"s why you hear a click. The TV is going into a protection mode to prevent further circuit damage. That's why it will not turn on or not powering up. I would concentrate on the power supply section board. Bad regulation of the incoming voltage could caused this issue although,there is a capacitor across the incoming line and nuetral.Maybe its leak or dry up and cause the problems,change it out with one of identical rating . Although now you are getting into dangerous area,especially if you have no electronic experience background. It could be also be a loose ,crack or cold solder joint,a blown fuse,fusible links or other component .It could be one of several boards.Unfortunately the level of sophistication on these TV make it virtually impossible to diagnose them further without taking them apart and probing around with a multimeter and other tools.This TV is handy enough to take to a repair shop find a good one.You will probably have to pay $75 to $100....

Hope this may help you..

Regards,
VOTIT

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Posted on Oct 10, 2008

tvtek
  • 1284 Answers

SOURCE: Blinking power and OPC lights

If you have tried to reset the TV by unplugging it for 2 minutes and still have the same issue then it is time to bring the set to a repair shop.

Posted on Jan 07, 2009

  • 44 Answers

SOURCE: tv (LC3760N) shut off blinking power light will not turn on

I had the Same issue. on a 50PF9431D/37 set. Many Plasma Set's use a LJ44-00118A PS-505-PH Power supply from Samsung. Known to have this common problem. If you can, or have a friend that can Solder components?. Unplug your set remove the back panel & locate your power supply. It will be the PCB in the center of the set just above the Video/Audio connections. http://www.shopjimmy.com/power-supply-unit-lj44-00118a-from-philips-50mf231d-40.htm. Is a Link to a photo of the PCB. Make a note of the locations of all cable connections then unplug them all. Un-install PCB, Check all Fuse first. I believe their is 5 or 6 of them on the PCB. Then replace the two 3300uf 10v 105C Radial capacitors at C8060 & C8059. Look to see if the Caps are deformed and or split at the top. The location of the caps are in the Lower bottom edge of the PCB. A local shop may Carrie them if not, digi-key has them. Part # http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=493-1754-ND. Total cost was $7 with S/H.

Posted on Jun 25, 2009

  • 9 Answers

SOURCE: power light flashes twice,then opc flashes once then power again

In all the time that you have had the tv have you applied 2 firmware updates that some of the tv's need to avoid other known issues with the lcd in the future. These firmware updates are for the main cpu PH1UU112 and the monitor MD1UA104. I don't know if this is the case for you but it worked for me. Call Sharp at 1-800-237-4277.

Posted on Oct 07, 2009

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Power light comes on along with OCP light. No screen or sound. internal switching noises coming from inside the tv


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Model LC-465B57U flashing power light and opc light


Hi Tracy,
It appears your TV is not sequencing properly. By the order given in your instructions with the controller you are tuning, continue with a code until it satisfies .


Press setup- blinks twice. Enter TV manufacturer code- press enter. Light should flash once. Press on . After it works . Go through all the functions. Up- Down, loudness, channels,& on -off .


Fare .Well.

Dec 12, 2014 | Sharp Televison & Video

1 Answer

Power will not turn on, but there is a green light flashing in the front of the television


Change the power supply board - LC504-4201CC 161WJQZ is the power supply board for the LC3760N TV

May 10, 2011 | HP LC3760N 37 in. LCD HDTV

1 Answer

So when i turn on my sharp hd it turns off then the opc light comes on! Then the power light and opc light keep flashing!! Alls i want 4 it to work? Plz help


The television has gone into a coma. It is going to need to be serviced or replaced. The blinking code is a pattern. If you look at the power light and the opc light separately and independently, you can acquire the blinking pattern. Cover opc and look at power only. Note how many times it is blinking before it pauses. It might just blink steadily. Next cover power and look at opc alone. Note how many times it blinks before it pauses.

Depending on which model you have it might work if you leave the television unplugged overnight. The next day plug the television back in and wait for the blinking to start. Hold down the power button on the side of the television until the light stops blinking and turns red (usually right away). Let go. Press and release the power button once more and the light should turn orangish and then green. The television should turn on.

You can call Sharp and have a case file created and try and INIT with the customer service representative.

Mar 07, 2011 | Sharp Televison & Video

2 Answers

I have an aquios LC-42D64U which suddenly has the following two lights blinking power & OPC. They both blink, once together, the second blink is only the power, and repeating the sequence. I've...


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Feb 05, 2011 | Sharp Aquos LC-46D62U 46 in. LCD HDTV

2 Answers

TV won't turn on


the first thing that you need to do is to open the back cover of your tv.Go to the power supply section it is separate board where the power cord is connected.Using a multitester,plug in the power cord and measure for the output supply.see if the 5vdc ,12vdc and 24vdc are present..if one of this output is missing,replace the power supply board But if the output voltage are complete,replace the inverter board,It is a board that supplies the high voltage to the backlights of your monitor/screen....You can also try to reset the system of your tv by pressing the the small switch mounted on the main board press it twice while the power is on...tnx and good luck!


please vote for my help!

Jun 04, 2010 | Sharp AQUOS 52" Flat-Panel LCD HDTV

4 Answers

My Sharp LC-42-D62U won't power up. The power light blinks twice, then the power light and the OPC light blink together once. any fix to this problem?


Ur Tuner signal board have problems or dead.Ur power LED light indicator stable for a few mins before the power LED light,and the OPC LED light indicators flashes?After the POWER light and OPC light indicators flashes,just push the power button again for the power recycles again.Probally have to pushes the power button 3 or 4 for power light and opc light indicators flashes,the LCD backlght will lght up and work.Sharp tv have this problems alot,very common in Sharp LCD tvs.

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1 Answer

LC3760N power light blinks


Replace the whole board,LCD usally the IC is dead,not like DLP the capacitors,burn most of the time.

Sep 22, 2009 | HP LC3760N 37 in. LCD HDTV

2 Answers

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I have the same problem right now and i dont understand the solution. help?

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3 Answers

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