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My sharp 60le640 tv wont turn on and i replace the mainboard.

I do the reset procedure i see on you tube but still when i unplug it and power it again still the blinking light is there.pls help

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Those 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://homenol.blogspot.com/
http://electronicshelponline.blogspot.com/
If blinks continue without any pause, the main board is faulty.
Search the site by type in the "brand name" of your device, [Exclude the model number] in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.
{View the site in web view or by a desktop to see the search box. Mobile view has no search box.}

Posted on Jul 09, 2019

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6 Suggested Answers

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Posted on Jan 02, 2017

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  • 2 Answers

SOURCE: Blinking Green Light

Hmm I tried unplugging it for a while but I will try this again tonight since it will be unplugged for about 24 hours.
Thank you McColp for the info..

I have a service guy coming tomorrow, maybe this will work before he comes! I appreciate your help!
take care
Maria

Posted on Nov 02, 2007

  • 13 Answers

SOURCE: TV turns off and power light blinks unpluged andd still does it.

Likely to be the STK convergence chips causing a protection circuit to switch the TV off. Have you got any onscreen convergence problems (i.e, colour fringes)?

Posted on May 28, 2009

  • 1 Answer

SOURCE: Mitsubishi WD-62525 yellow blinking status light

Check that the lamp door is closed all the way. There is a saftey switch that closes from the door being on all the way. If not the status light will keep blinking. There is also a switch on the air filter door.

Posted on Jul 16, 2009

  • 597 Answers

SOURCE: my sharp aquos not working tv went off and wont

these flashing lights are error codes set by the manufacturer..
Call sharp...they will tell you the problem

Posted on Apr 26, 2010

  • 1 Answer

SOURCE: power light blinking green and cannot turn off or display anythin

Mine is doing the same thing how did u fix this

Posted on Oct 18, 2011

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1 Answer

My tv, sharp, does not power on. it only shows the word SHARP for a few seconds and turns off. what may be the problem?


Do a hard reset to this set, and then check. If it do not help, check and replace its main digital board.
There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/
Service mode entry, adjust and exit procedure to many popular brand TVs are given. Never forget to exit the service mode, after all adjustments have been done.

Sep 26, 2016 | Sharp Aquos Televison & Video

1 Answer

Sharp TV wont turn on.


Fault at its main digital board. Short circuited component/s at it. Contact any service technician; or the authorized service center. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts.
http://electronicshelponline.blogspot.com/
In most cases, the main board might have to be replaced. If so, a software [firmware] update too might be necessary.
Before going further; try a hard reset first. If it does not help you, replace the main digital board. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; visit the site linked here.

Aug 20, 2016 | Sharp Aquos Televison & Video

1 Answer

Sharp displays frozen on start up logo. Just shows SHARP and wont change sources or anything. Model # LC-65LE645U


Sounds like corrupted firmware. A firmware update might be necessary. If you wish to get some details; check the site linked here. Pull up older posts.
Firmware (Software) update procedure of many popular brand TVs and other devices are given in detail.
Bfore doing anything; try a hard reset to this set, and check. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/
Service mode entry, adjust and exit procedure to many popular brand TVs are given. Never forget to exit the service mode, after all adjustments have been done.

May 24, 2016 | Sharp Televison & Video

1 Answer

My sharp LCD model 60le640 the red light is flashing their is no back light what do I press on d remote


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/

Apr 26, 2015 | Sharp Televison & Video

3 Answers

Sharp LC-32LE240M automatically shuts down


It should have come with a one year parts and labor warranty so consider looking into getting it fixed under the warranty--opening set or tampering inside would void the warranty.

Dec 19, 2012 | Televison & Video

2 Answers

Power light blinking no display on lc 32sb24u


Its almost always caused by bad capacitors on the power board. You can get a repair kit or the replacement power supply board from www.tvrepairworld.com

Feb 12, 2012 | Sharp LC-32SB24U 32 in. LCD TV

1 Answer

Blinking led


Free diagrams unlikely to be available take the board's out and check for blown capacitors following good antistatic procedures and decide from there
Or find a good independent repair specialist to do the work and set your self a budget
My sharp aquos stopped working with a blinking power light £2000 was the repair quote for a new board and LCD panel for a £699 TV after they tried the capacitor replacement

Jul 01, 2017 | Sharp AQUOS LC-40C32U 32 in. LCD TV

2 Answers

Sharp Aquos LC-52D64U Won't Turn On


I have fixed many sharp lcd tv's with a reset. If one appears to have no defects like bad capacitors, fried inverters, broken panel, ect. and the power light is flashing steady or not on at all a reset may help. There is a lot of bad information regarding the procedure though. The correct procedure is to unplug the tv, hold volume down and channel up at the same time and plug it in. Release those buttons then push the power button. Did it start? Great! I have no idea why so many seem to need this. If there truly is a problem this will only work temporarily or even momentarily but many will be fixed for good.

Apr 10, 2009 | Sharp Aquos LC-42D62U 42 in. LCD HDTV

2 Answers

Wont come on


Instead of just unplugging the TV, perform a power drain:
1. Unplug the product's power cable so the device is not grounded to the house. 2. Press and HOLD the product's own power button for 1 minute to drain the capacitors. 3. Plug the product back into a wall outlet and try to turn it on.
Note: This procedure works with battery operated devices as well so remove the batteries and hold down it's power button.  Electricity can remain in capacitors and on circuit boards enough to prevent normal functionality. By clearing the residue electricity, your product will have a fresh start and many times this will resolve a buggy or non-responsive device that appears to be dead.
If the TV still won't turn on, then it appears something is wrong with it's mainboard since the TV is still receiving power because the standby light is still coming on.  The cost of fixing an older TV's mainboard could be costly or impossible if the part is discontinued.

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