Sharp Aquos LC-46D62U 46 in. LCD HDTV Logo
Posted on Oct 23, 2010
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My tv won't turn on anymore. The power light and the opc light blink twice at the same time and then the opc blinks once and it keeps doing that. Please help!

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Anonymous

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  • Master 1,456 Answers
  • Posted on Oct 23, 2010
Anonymous
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Hi

Make sure the AC cord is not loose or disconnected. Check to ensure the cord is firmly plugged into the outlet at one end, and firmly connected to your television at the other end. The AC cord connects to the television about midway across the back of the set, near the bottom of the back panel. The hole for the AC connection is shaped like a figure eight. Try powering up the TV with the cords firmly connected.

Check the "Main Power" to ensure it is on. Locate the button on the top of the television among the "Volume" and "Channel" buttons. Press the button to switch the television on. If the "Main Power" button is off the remote will not turn on the television. Wait to see if pressing "Main Power" will activate the TV.

Press "TV Power" on the remote control to power up the TV from stand-by mode. If the power light on the front of the television glows red when you press "TV Power" on the remote, press the "Main Power" button on top of the television to remove the TV from stand-by. If the TV is accidentally in stand-by mode it may not come on when pressing certain buttons.

Check the circuit board. If your set still won't turn on and you hear a clicking noise when you plug it in, you most likely have a defective circuit board.

  • Anonymous Feb 13, 2012

    Which circuit board needs to be replaced if you hear the click?

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Power and OPC light blinking. TV doesn't turn on.

These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices.
http://electronicshelponline.blogspot.com/
If blinks continue without any pause, the main board is faulty.
Search the site by type in the "brand name" to your device, in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.
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Is my tv main board bad

These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given. Surf the site with patience.
If blinks continue without any pause, the main board is faulty.
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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.
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TV won't show picture the power and OPC light blink twice together followed by three blinks from the OPC alone.

The main tv Tuner signal board have problems or it is dying or might be dead already.But sometimes this tv will still work and can be used,i have the same tv have the same problems it work for me all the times.By doing this process.Everytimes Power and OPC lights blinks.Just push the remote power switch again for tv to repower the tv power and OPC lights again,have go thought this process pushing power remote switch again have to do this like 3 or 4 times sometimes before the tv to work.Tries websites like Shopjimmy.com or Ebay.com to buy a whole new refurbish main tv Tuner signal board for the replacement.
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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.
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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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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!
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No picture, but power is on...

How many times does the POWER led blink per sec? (dont worry about the OPC)

2x = power supply (not as expensive to fix)
3x = Main board (expensive to fix)
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