Question about Sharp AQUOS 52" Flat-Panel LCD HDTV

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Have new sharp aquos 52 inch lc52d78un, turned on and only a green blinking light, no picture, no nothing.

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6 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: Sharp aquos has green and white vertical lines

You must contact a svc co. This is a upper or lower buffer board problem and possibly a control board. Nothing you have done wrong, it just happened.

Posted on Feb 28, 2009

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SOURCE: Sharp 52" Aquos LCD Will Not Turn ON-Blinking LEDs

I had a similar problem. Fleeting video, then audio only for few seconds and then nothing except the green power LED blinking on and off.
I changed the power inverter board, backlight inverter boards and power supply board but still the problem is not gone.

Just 18 month old TV and out of warranty.

Posted on Sep 20, 2009

  • 50 Answers

SOURCE: What are the best picture settings for the 52" Sharp Aquos LCD

I'm happy with:

backlight +16
contrast +40
brightness +1
colour -13
tint 0
shaprness +2

although I found this setup but haven't tried it yet

backlight +5
contrast +24
brightness -7
colour +50 (review I found didn't say + or -. Try both
tint 0
sharpness -5

Len

Posted on Sep 21, 2009

jan mczeal
  • 632 Answers

SOURCE: green light is on but screen is black

It's either the backlight lamp or backlight inverter is busted due to a power failure or fluctuation. Here's how to determine which is which:

  1. Grab a flashlight.
  2. Turn on the TV.
  3. Shine the flashlight onto the screen.
  4. If you cannot see any display even a faint one, the backlight inverter is dead, else the backlight lamps are busted.
  5. Replace which ever is the culprit.

Posted on Sep 26, 2009

satavlad
  • 405 Answers

SOURCE: the power light on my sharp aquos blinks green and

TV detected lamp error, problem could be either INVERTER UNIT or one of the lamps. Defective part has to be replaced, lamp error counter reset.

Posted on Nov 13, 2009

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Just 18 month old TV and out of warranty.

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