Question about Sharp Televison & Video

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47in Sharp Flat screen Won't turn on ..The Indicator light come on and blinks over and over..LC52LE830U..Model 106842583//

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  • 101 Answers

Check the power supply voltages. Replace board if they are low or missing.

Posted on Jul 12, 2019

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE:

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Posted on Jan 02, 2017

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  • 33 Answers

SOURCE: Sharp LC-37SB24U will not turn on

I can tell you 100% that the problem that you are having will be a service issue. I can also tell you that your limited warranty covers in home service from sharp. Give them a call 1-87-SEE AQUOS(the advantage line that will get you through much quicker). or the 1-800-BE-SHARP and let them set you up for service, sharp will take care of that as long as the purchase date of your tv was within 1 year. If you dont want to go through that, I suggest taking the tv back to where you got it from if they will accept it because unfortunately, this problem can ONLY be resolved through service. good luck & keep me posted

Posted on Feb 19, 2009

ginko
  • 19396 Answers

SOURCE: Blue blinking light

The monitor is probably on protection.

To start unplug monitor from power and from computer and test computer with different monitor to find out if it is monitor or computer fault.

If it is computer fault and no video signal , then test:

  • Video cable.
  • Video adapter on PC (sometimes integrated on motherboard)
  • Motherboard.

If it is monitor fault , then the monitor is on protection.

When on protection you keep having a flashing led on front of the monitor , and monitor turning off by itself after a while, that indicates a fault condition.

The flashing light indicates a diagnostic state called protection.
When the Monitor goes on protection there are only two possible causes.

1The internal circuits are jammed because of electrostatic charges accumulating on capacitors, or because of a wrong voltage read by the main chip on your monitor controller board. this started the protection circuit.

2 The protection circuit detected a wrong voltage or a broken contact, identified an internal fault and kicked in , starting the flashing light.


If you are in situation one, then the monitor will reset just unplugging power cord for one or two hours,sometimes even minutes.

If you are in situation 2 , then there is an internal fault.

Common faults that can occurr are a blown capacitor on power board, faulty inverter board, faulty input board, or a fault on LCD Digital Controller board.

Check also the video cable or any external connection cable, if the cable is shorting, or the connector is bad, you can get same flashing statebecause of the video cable.

Try moving the video cable, and if the cable is not built in, then also try a replacement cable.

If under warranty contact the manufacturer ringing the number on the user manual

If you want to repair at your own expenses, just locate any good qualified repairer.

Posted on Apr 22, 2009

dsacco86
  • 1077 Answers

SOURCE: sharp lc-22sv6u won,t power on. no green light.

Sound like the TV is in protection mode. This happens when a part goes bad inside. the TV turns OFF to protect the other parts from being damaged.
Most commonly it's a power supply related issue. A bad capacitor or transformer on the power supply board is to blame.
For a do-it-yourself fixer with electronic experience, a Service Manual is the best for trouble shooting the problem down to the bad part. Normally, you can find it over the internet for less than $20.

Posted on Jul 31, 2009

  • 9 Answers

SOURCE: my sharp aquos flat screen

Call Sharp at 1-800-237-4277. There are firmware upgrades that this lcd needs to resolve issues. Good luck!

Posted on Oct 07, 2009

  • 8 Answers

SOURCE: magnavox 37" flat screen model no.37mf23id/37

Yes, he means 2200 microfarret (called uf from here on out). Another important concern when buying a replacement is the voltage. You need to get something that is at least 25v. I recommend a 35v or better. Another notable point is that this may not always fix the problem. As with mine, there was also a 1200uf (microfarret) 35v capacitor that was blown. You can tell this because they bulge at the top. I have both of these caps (2200uf 35v and 1200uf 35v) on order and they will be here tomorrow. If I do not post back here then they fixed the issue for me. I suspect that this will resolve the problem. Look for bulges on top of the caps. This is an indication that they are blown. Most all of you experiancing these symptoms will see the 2200uf cap bulging but you may also see others bulging too. If you do then you need to replace those too. No electrolitic capacitor should be bulging at the top so if its bulging its bad, and if its bad then your tv will definitely not work. Have fun.

Posted on Oct 13, 2009

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Contact the authorized dealer. They can help you.
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Hi,

Please let me know the exact model no. of your TV to accurately diagnose where the fault came from. Also, please check what is the status of the LED at the front panel, does it has a steady, blinking light, if blinking, please count how many times it will flash. Some of the blinking LED denoting an error code.

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1 Answer

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1 Answer

Sharp lc-22sv6u won,t power on. no green light.


Sound like the TV is in protection mode. This happens when a part goes bad inside. the TV turns OFF to protect the other parts from being damaged.
Most commonly it's a power supply related issue. A bad capacitor or transformer on the power supply board is to blame.
For a do-it-yourself fixer with electronic experience, a Service Manual is the best for trouble shooting the problem down to the bad part. Normally, you can find it over the internet for less than $20.

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