Question about Sharp 42in Refurbished Mfr P/N LC42D65UT

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Sharp lc42d65ut tv has flashing green power light, no picture. sound for 5 seconds. can this be reset?

Tv is 3 years old never been repaired

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 102 Answers

SOURCE: my sharp tv wont stay on, it flashes green

Hi i have seen this before sharp hdtv's are known for having the internal power supply go faulty

Posted on Feb 01, 2010

  • 321 Answers

SOURCE: Sharp LCD flashing red light and no picture

yes thats is a common problem for all flat tv not only
sharp ;/ first theres is capacitor in power supply
you probly have few one there blow up and it could bee from the power section of your back light circuit
a good technician can fix that easy
good luck

Posted on Apr 02, 2010

  • 1 Answer

SOURCE: I have Sharp LC37SH20U about 3 years old.

do you still have this tv. please call me at 214 374-6844

Posted on Oct 12, 2010

  • 1 Answer

SOURCE: LC-C6554U HDTV AGUOS 2 GREEN LIGHT FLASHING, NO PICTURE NO SOUND

Did you ever find a solution to your problem? I have the same set doing the same exact thing.

Thanks

Posted on Feb 24, 2011

  • 99 Answers

SOURCE: I own a Sharp Aquos

there is a problem with the power supply. most likely too much ripple that is ac leaking into the dc. I have seen the power supply repaired but it is not always possible. If there is an obvious swelled capacitor on the power supply that can be replaced this will be the best bet for repair. If there is nothing visually obvious then it gets a little harder since you won't really know which component is not working, the tv shuts down on a protection circuit so if the power supply can be repaired and the voltage "cleaned up" then the tv could work again. I have also seen replacement power supplys sold.

Posted on May 26, 2011

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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

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https://www.youtube.com/watch?v=BH1OcQ6dIEE
Jul 1, 2011 - Uploaded by Tweetssun
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I have a sharp LC-60LE832U TV. No picture. Symbol on bottom of screen flashes 5 short - then 2. Had a tech come out. He replaced (temporarily) the power supply board - did not fix. He said cannot be...


See if this helps:

http://www.tomsguide.com/forum/58779-4-sharp-power-button-flashing

"The frequency and color of the blinks will indicate the issue. There is a hold-down button sequence to try to backdoor your way into the set to see if the panel will light. You may have simply racked up too many "weird tuner faults" and need to reset it. My suspicion is that it's either that or bad panel backlight."

"Unplug set, press and hold (on set) volume-down and channel-down and hold them while pluging in set. Will come on with "k" on screen, or will crash again if backlight bad. If it stays on, use your remote and arrow right then look for "fact init" and any other reset and turn them on. Arrow back up to "fact init" and hit enter. Let set recycle to green and unplug/re-plug in 5 seconds: the set should be in OOB state."

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I am currently working on a Sharp Lc37sb24u. I was originally thinking it had a bad inverter board but now I am not so sure. When I turn the tv on the picture comes up with audio for about 2 seconds the...


Did you check the service manual troubleshooting guide yet. You can try disconnecting the power to the inverter board and see if it will stay on and have sound.
Service manuals:
http://elektrotanya.com/?q=showresult&what=Sharp%20LC37SB24U&kategoria=&kat2=all

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

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1 Answer

I own a Sharp Aquos LCD model LC46D43U. It's 3 1/2 years old. When I turned on the TV, the power does not come on. It clicks like it's trying to power up and repeats itself 4 or 5 times every 4 - 5...


there is a problem with the power supply. most likely too much ripple that is ac leaking into the dc. I have seen the power supply repaired but it is not always possible. If there is an obvious swelled capacitor on the power supply that can be replaced this will be the best bet for repair. If there is nothing visually obvious then it gets a little harder since you won't really know which component is not working, the tv shuts down on a protection circuit so if the power supply can be repaired and the voltage "cleaned up" then the tv could work again. I have also seen replacement power supplys sold.

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You need to replace the bulb...very easy. You can do it yourself.

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Set up only visible for 2 seconds, then black - Aquous lc-37d43u


Unfortunately I can promise you that you CANNOT repair this. Your power and opc lights coming on, but the tv is not coming on. That is a issue within the tv. Give sharp a call and they will have somebody come fix your tv free of charge, if they cant fix it, they will replace it for free. That is the only thing you can do. Sorry bro

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2 Answers

Flashing green power light with no picture


9-if the tv is still under the manufactuer warranty i would definitly give them a call. If it is a Sharp tv I would call the 1-87-BESHARP. I would also try unplugging the tv for at least 2-3 minutes and seeing if the tv will reset itself. Usually what happens with these tv's when the light blinks it locks the tv as a security issue. If the unplug does not help it will more than likely need service to get this fixed for you. The call line hours are M-F 7am-7pm S-S 9-5 and they will be glad to help you from there.

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