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Buzz Dietz Posted on Jan 13, 2018
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Have an LG 47LN5750 led tv and the screen is blank, has sound. The logo flashes and goes blank. standby light flashes three time.

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Eric Sutherland

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  • Master 665 Answers
  • Posted on Jan 13, 2018
Eric Sutherland
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Joined: Mar 22, 2009
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1) Check your power plug wiring and replace the fuse.
2) Read the Manual:
http://www.lg.com/us/support-product/lg-47LN5750

5 Related Answers

Anonymous

  • 319 Answers
  • Posted on Jan 03, 2008

SOURCE: 2yr old Pioneer pdp-506 50" panel with seperate receiver unit

Hi Kricko

Your blinking light indicates an internal "board" issue. You should contact Pioneer Customer Service for initial help, but you will most likely need a TV repair shop to replace the part.

Good Luck

Pioneer (800) 421-1404

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Anonymous

  • 10594 Answers
  • Posted on Aug 01, 2008

SOURCE: Pop sound, flashing standby light, blank screen

How many times this light flases in TV?

Anonymous

  • 203 Answers
  • Posted on Sep 11, 2008

SOURCE: Sony KV34XBR800 Red Flashing Standby Light No Power

The red light should be blinking a code. For example it will blink 4 times pause then 4 times pause or 5times pause 5 times pause, whatever the error might be. Let me know what it is and then we can help more.

Tim
[email protected]

Slinteriors

Sonny Berry

  • 8617 Answers
  • Posted on May 23, 2009

SOURCE: 5 red flashs on power/standby light on kdsr60xbr1 screen blank,

Thats the error for lamp driver error. Which means the Ballast is most likely defective. You can get the replacement ballast for your model at the following link which comes with installation instructions.
http://servicemanuals.vstore.ca/product_info.php/pName/kdfe42a10-ballast-assembly/cName/sony-parts

Chi Chu

  • 8457 Answers
  • Posted on Jan 27, 2010

SOURCE: LG 50 IN. PLASMA TV MODEL # 50PC1DR . POWER

Power supply board is dead,replaced the power supply board will get power.

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Related Questions:

0helpful
1answer

I have a LG tv model number 47Ln5750-uh it has the stand by light on and when I turn the tv on it shows the LG logo for a split second then the screen goes back wounding if you may know what part needs to...

1Check power board capacitors if swelled then replace them ,
2 check led output voltage at connector on power board. If voltage down come back from led penal then one or more leds fused.
Please replace it.
3 it may caused power board defective too.
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Is the power supply board on my TV the cause of no back lights?

Hi Grant,

This is a backlight issue. Defective LEDs in the backlight array need to be replaced. Welcome further assistance.

Good Luck
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Take the screen off connect power and watch LEDs if any don't flash its LEDs only needed to change faulty strip if they all flash its probably t con boards.
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LED tv LG 50LN5200 with no picture but has sound

Faulty the backlight
It is necessary to remove the panel and replace defective LEDs

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Lg led tv doesn'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://electro-medical.blogspot.com/
If blinks continue without any pause, the main board is faulty.
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LG 47LN5750 TV has no back light issue-

replace screen it's faulty period ensure it comes with T-con
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