Question about LG 42LC2D 42 in. LCD HDTV

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My tv comes on just fine witout a picture and is blinking a red light code of 5 blinks. any suggestions on what it could be?

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  • Master
  • 11,361 Answers

It may be blinking because it is in the shutdown protection/restart mode. I would inspect the power supply first, and may be disconnecting the backlight inverter board power cable to the power supply module to see if it will start up OK.

If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:

Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums

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

Parts: www.shopjimmy.com
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.

Please post back what you find.

Posted on Nov 11, 2010

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  • LG Master
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Tv power LED light indication on the front panel of the screen power LED light is flashing?Yes,the power supply board have problems,it dying.That board,where the power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

Posted on Nov 08, 2010

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Posted on Jan 02, 2017

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I found only one youtube video for 1 blinking light, and that video suggests it is the main board.

I have provided the link below, if there were more blinks they would happen more rapid than the every 5 seconds. Like one every second for X blinks then about a 5 second pause. This isn't mentioned; so it sounds like a single blink code, and this points to the main board. Panasonic Plama TV blink code YouTube

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check this
The Service Default Mode (SDM) is a technical aid that can be used to display the your TV error code.
Follow these instrutions exactly to place your set in SDM Mode.
For sets that still have video do the following.
  1. Turn your TV on
  2. Using the original Philips TV remote press the following keys. Press each key for 1 sec then press the next.
  3. From the remote press 0 6 2 5 9 6 MENU
  4. You should now see the letters "SDM" in the far right hand corner.
  5. If not do step "3' again.
  6. To display the error code hit the "Status" button on your remote.
  7. The TV can store up to "7" past errors.
sdm.jpg
For sets that have no video do the following.
  1. Turn your TV on
  2. Using the original Philips TV remote press the following keys. Press each key for 1 sec then press the next.
  3. From the remote press 0 6 2 5 9 6 MENU
  4. Wait a few seconds. The red power light should begin to blink.
  5. The blinking sequence will determine the error code.
  6. You will have one long 5 second red blink followed by the error code.
Note: On some sets the TV will automaticaly blink the error code when its powered up without having to go into the SDM menu. If you power light blinks after the set is powered up jot down the sequence.
Example Error Codes from the power light.
( RED 5 Seconds ) off ( RED 1/2 Sec ) off ( RED 1/2 Sec ) off ( RED 1/2 Sec ) = Error Code 3
Example #2
( RED 5 Seconds ) off ( RED 1 Sec ) off ( RED 1/2 Sec ) off ( RED 1/2 Sec ) = Error Code 12
error-codes.jpg


(Note:) Logo/images/Pictures has a respective copyright. I used it for demonstration purpose only.
If something in your mind to comment or suggest, please let us know. In our efforts to provide detailed information, there is possibility of inaccurate contents. If you see any mistake or incomplete in our information, please don't hesitate to tell us. We will fix it immediately as soon as possible.

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