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UN40H6350 led tv with faulty pixel but only appeard when i use it for 10 minutes, if i turn off for a while and then turn on again the pixels work fine until go bad again, this is a tcon board fault?

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Do a reset to this TV, and then check. There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; check the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/
Service mode entry, adjust and exit procedure to many popular brand TVs are given. Never forget to exit the service mode, after all adjustments have been done.
If a rest too do do not help, the main digital board is faulty, and should be replaced.

Posted on Dec 06, 2016

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Posted on Jan 02, 2017

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SOURCE: LG Plasma TV 50PC3D

The TV should be under warranty. Send back. Sounds like the panel is faulty (half the value of the set).

Posted on Feb 06, 2007

  • 18 Answers

SOURCE: 50pc5d LG plasma TV Blue glow/red pixels

THIS PHENOMENON IS A CHARACTERISTIC OF PLASMA TV SETS...KNOWN AS DIFFUSION ERRORS OR COMMONLY..SPARKLING...ON LG SETS...THE PANEL VOLTAGES MUST BE CHECKED AND ADJUSTED IF NOT WITHIN .5 V...PLUS OR MINUS..Vs...and Va...THE OTHER ADJUSTMENTS ARE ON THE Y-SUS BOARD..Vset DOWN...Vset up...RAMP up...RAMP down...these should be adjusted by professional tv personnel with experence...JOE ACE

Posted on Jun 27, 2008

  • 1 Answer

SOURCE: pink and green pixels in bands on screen works on vga input only

I'm not sure how common it is, but I had this problem just recently with my Vizio. The tech came out and replaced the digital converter board and it fixed the pink and green pixels. He replaced the mother board first, but that wasn't it, so he put my old one back in and replaced the digital converter board and that fixed it. I'm not sure if "digital converter board" is the official name for the part he swapped out, but that's what he called it. Hope that helps.

Posted on Apr 26, 2009

  • 1 Answer

SOURCE: 32" niko lcd-green pixelation

This is probably model OTP-311W. Problem is caused by overheating. Air flow is restricted by plastic grill over fan in back of unit at middle top. To fix, remove four screws retaining grill and fan. Take off grill, leaving fan in place. Replace screws without grill. I had same problem. Since removing grill, have now run unit for over 72 hours without pixelation problem.

Posted on Jul 31, 2009

kashanahmed4
  • 53 Answers

SOURCE: The picture is very fuzzy (pixelated) when you first turn power o

this problem occurs usually in the power supply change or check the power supply borad

Posted on Dec 18, 2009

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