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Samsung lcd monitor series 4(model la22a450c1xxp)

Always on power stanby if press any key the lights blink led

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  • leonardo samson
    leonardo samson Nov 26, 2015

    my samsung lcd tv has a problem with its logic board where can i get a new one

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  • Televison & ... Master
  • 74,383 Answers

Fault to its main 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.

Posted on Nov 26, 2015

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6ya6ya
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Posted on Jan 02, 2017

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ginko
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SOURCE: monitor power light is blinking .but monitor is not displaying anything

If there is a flashing led on front of the monitor, 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.

1 The 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 suddenly are a blown capacitor on power board, the inverter board powering up backlight lamp has blown, or a fault on main lcd controller board.
check also the video cable, if the cable is shorting, or the connector is bad, you can get same flashing state because of the video cable.

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

If under warranty contact manufacturer to find out a service point.

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


Regards

Posted on Mar 06, 2009

SOURCE: red light power blinking

power supply problem this can be done by a professional tv repair

Posted on Sep 12, 2009

tvservice306
  • 458 Answers

SOURCE: ln40a530 samsung lcd tv wont turn on

MAY BE PANEL LAMP BAD

Posted on Oct 21, 2009

milkburp
  • 416 Answers

SOURCE: Samsung lcd series 4 model ln40a450c1 will not

http://www.lieffcabraser.com/defects/samsung-lcd.htm

Posted on Mar 21, 2010

  • 1 Answer

SOURCE: .mkv doesnt play on LED:UA32C5000 but plays on LCD:LA32C530

Hi
I am also facing similar problem with recently purchased LED 46" P6200. Do not know the reason? Does anyone has any idea why it is so? Thanks

Posted on Nov 08, 2010

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It could be a power board problem. Why don't you please refer it to a qualified service technician?

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First, connect this monitor to another computer, if you still do not get a Windows image on the Samsung LCD monitor then it is faulty. The fault could be a faulty inverter board that supplies high voltage to the CCFL lamp or the fault could be a faulty CCFL lamp.
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1. remove all ext peripherals
2. remove battery
3. check first the ac adapter if it has led on (make sure ac adapter is not connected to the laptop)
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9. if the power led stays on then turn it off again then wait a couple of seconds then press and hold on Fn key then press power button. wait for about 5 minutes while the power led is steady on, until you hear beeps once you hear beeps it means that LCD has problems. try then connecting laptop to an external monitor if it shows display there. press on Fn + F8 to toggle the display from LCD laptop to the ext monitor. if no display replace the motherboard. if it has display replace LCD.

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1 Answer

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