Question about LG 47 47LW5600 47 3D LCD TV

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LG 47LW5600 when turned on TV power light comes on and i hear the click, but nothing comes on on the screen. power light fads in and out slowly.

Blank Screen

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  • LG Master
  • 6,694 Answers

Sounds like The main power supply regulator section circuit fault. Either it will be a separate board, or the part of main board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. If you wish to get some details; check the site linked here. Pull up older posts. http://electro-medical.blogspot.com/ It will be best to replace the power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time. Even though you can make it right, it will cost around an amount equal to the cost of a new board; including the cost of (spare parts + service charge) More to say, most of the spare parts to it will be difficult to get from open electronic spare part market. This is true to most of the flat panel TV power supply boards; irrespective of its brand and screen size.
Search the site by type in the "brand name" to your device; in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

Posted on Dec 27, 2016

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Posted on Jan 02, 2017

SOURCE: Lg tv will not turn on, red light

i think your bulb is shot must be replaced

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SOURCE: 37LC7D, screen blank, cannot power off manually or w/remote

Hi, I would buy your TV

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SOURCE: Loud pop Blank screen 42 inch Viore Plasma

Unfortunately, that board is the inverter board. And for this model the inverter board is only supplied with the the PDP panel. The panel is quite expensive, here's a link if needed:

LG 42PX5D Replacement Part PDP Plasma Display Panel

Posted on Dec 29, 2008

budmrtn
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SOURCE: LG 26LG30 screen suddently went blank. Light flashing blue/red

There are two places to look for the problems, the backlight inverter board and the power supply. Look at the power supply first since it is easier to get to, look for burnt parts, bad capacitors, etc.
http://en.wikipedia.org/wiki/Capacitor_plague
Please post back what you find.

Posted on Nov 14, 2009

  • 1 Answer

SOURCE: Lg 42lc7d turns on to blank screen doesnt respond to any request

I need sreen for LG 4LC7D-UB because the screen is damaged

Posted on Mar 21, 2011

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