Question about Sharp LC-40LE550U 40" LED TV 1920x1080, 60 Hz, HDTV

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Sharp lc-40le550u power on but screen does not

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4 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: sharp LC-26d4u tv won't turn on/power light is off

Check ur power source,unplug replug if not work,Ur tv power board ic inverter it dead needed to be change.

Posted on Aug 17, 2009

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dsacco86
  • 1077 Answers

SOURCE: sharp lc-26dv12u about 2years old. All of a sudden

Sounds like the Main mother board is the problem. When the processor chip overheats, the programming information passing through the chip slows down. Most cases, replacing the main mother board will fix the problem.

Posted on Dec 29, 2009

  • 11800 Answers

SOURCE: sharp lc-19sb225u tv turns on with a "white noise"

The blue screen means the processor of the tv no longer finishes the loading of the firmware - hardware fault, either the chip that stores the firmware or the processor have failed.
Since the chips are soldered on the mainboard and cannot be removed separately that means that the entire mainboard will have to be replaced. This is it
http://www.partstore.com/Part/Sharp/Sharp/LC19SB25U/Sharp/Sharp/DUNTKE352FM02/New.aspx
Now you must decide if it's worth paying $400 for a replacement board or it's better just to buy a new tv - i'm for the second option.

Posted on May 17, 2011

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1 Answer

Where can I find a service manual for SHARP LC40LE550U?


Try updating the firmware before repair /replace of parts.

I am sure you would have tried troubleshoot shown on page 38 of the user manual.
http://www.manualslib.com/manual/751149/Sharp-Lc-40le550u.html?page=40 Sharp LC 40LE550U Operation Manual Appendix Troubleshooting

Mar 02, 2016 | Sharp Televison & Video

1 Answer

Sharp TV (LC-40LE550U) without picture, but sound is fine. Very weak image with flash light. TV can be turned on with remote with green indicator.


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://electro-medical.blogspot.com/
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.

Feb 29, 2016 | Sharp LC-40LE550U 40" LED TV 1920x1080, 60...

1 Answer

LC-40LE550U


If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience.
http://electro-medical.blogspot.com/

Feb 12, 2016 | Televison & Video

1 Answer

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


Sharp TV - Flashing OPC & Power Lights - YouTube

? 0:50
https://www.youtube.com/watch?v=BH1OcQ6dIEE
Jul 1, 2011 - Uploaded by Tweetssun
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Sharp lcd tv power button flashing - HDTV - Streaming Video & TVs ...

www.tomsguide.com/forum/54708-4-sharp-power-button-flashing

Feb 8, 2012 - 7 posts - ‎3 authors
We have owned a Sharp 32" LCD TV for about two years. ... However a quick Bing search shows that the blinking green light usually means a bad power board, which seems ... No picture, no sound, just a black screen and two blinking green ... a cable surge block on the coax where it comes into the house. Sharp lcd tv power button flashing - Digital TV
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Missing: 32dv22u

Sharp Aquos LC 42DH77: Inverter, Backlight, Power and ...

www.normsweb.com/tektips/42dh77.shtml

Jan 31, 2016 | Sharp LC-32DV22U Widescreen 32-Inch Class...

1 Answer

LC-40le550u no picture... green light on


if powers on and has no video and no audio could be the main board, but first try this :

take a flashlight, turns on the tv and try to "see" the image while light up the flashlight against the screen , if you "see" something you have a bad back light inverter board.

below the posible parts number :

MAIN BOARD : Sharp 9JY0140CTJ05100
POWER SUPPLY/ BACK LIGHT : Sharp 9JY0940CTJ05000

TRY TO LOOK FOR AT :

www.bostonrecycling.net

or ebay

thanks

Oct 09, 2014 | Televison & Video

3 Answers

My sharp LC-37d62u display problem


This problem very common in sharp tv.The POWER,OPC flashes.First turn on have power LED indicator light stable at all? Tries the power again couple times will have backlight come back on,than it will work.Not at all more than 5-6 times than ur main turner signal board is the problem,must replaced.

Jan 05, 2010 | Sharp LC 37D62U 37 in. LCD HDTV

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