Question about LG 42LD550 42 in. TV

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Lg 42ld550 won't turn on, and red led flashes

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6ya6ya
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Posted on Jan 02, 2017

eagle338
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SOURCE: lg model 42pm4m plasma monitor won't turn on, red

Does the tv make a clicking noise like its trying to turn on before the tv goes into standby and the LED starts flashing? I suspect this is due to a shorted component, most likely to be in the 5V(switching) line and just want to be a bit certain before we start testing the power supply.

Posted on Jul 31, 2011

spr1949
  • 1182 Answers

SOURCE: LG 17LX1R flashing red LED - TV won't power up

Try changing the input device to something you are sure, works such as a DVD player.

Switch off TV manually, switch off power, remove plug and retry after 48 hours.

If problem persists, please refer it to a qualified service technician.

Posted on Aug 03, 2012

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My lg 42ln5300 tv has the red indicator light on but when i try to turn it on blinks and it won't turn on


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/
Blinking codes details to many popular brand TVs are given.Surf the site with patience.If blinks continue without any pause, the main board is faulty.

Sep 18, 2015 | LG 42LN5300 42" LED TV 1920 x 1080, 60 Hz,...

1 Answer

LG TV turns on and off by himself what's the problem?


I had an issue like yourse with an lg plasma and the problem was the power supply board. When replaced it became like new.
Good luck.

Dec 02, 2012 | LG 42LD550 42-Inch 1080p 120 Hz LCD Hdtv...

1 Answer

LG 17LX1R flashing red LED - TV won't power up


Try changing the input device to something you are sure, works such as a DVD player.

Switch off TV manually, switch off power, remove plug and retry after 48 hours.

If problem persists, please refer it to a qualified service technician.

Aug 02, 2012 | LG 17LX1R 17 in. HD-Ready LCD Television

1 Answer

I have a LG rear protection tv. I believe 52sz8d-is. When I plug it in the red power led light comes on and the bulb led flashes green but it won't Turn on


Tries change the tv projection lamp.Tv projection lamp ben in the tv like 1 1/2 or 2 years already,tv watches daily 4 or 5 hours every day.Yes.Than the tv projection lamp life are ended,now tv require a new tv projection lamp replacement.

Jun 05, 2011 | LG RU-52SZ51D 52" Rear Projection...

1 Answer

It won't sync


Click on the USB small button "after attach it to the computer" one click. While the red tiny led flashing - turn your mouse updown and hit the small button.

When the red flashing led stop - then you connected.

May 16, 2011 | Belkin Mini Wireless Optical Mouse...

1 Answer

LG 42LD550 LCD - Internet connection problem


After the network is connected to the TV, you have to go into the TV’s network menu to complete the setup process.
If you look in your owner’s manual starting on page #55-#57, you can read the direction to walk you through the wired network setup process.
It should be very easy to setup as long as your router has the DHCP turned on. That allows the TV to automatically assign it an IP address on your network.
If the DHCP is not turned on in your router, then the TV’s IP will have to manually entered by you.

May 20, 2010 | LG 42LD550 42 in. TV

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