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Old Sinotec TV. Screen open blue with a "padlock" in top righthand corner

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It is locked. If you have the original remote (RC-A07) for Sinotec tv, then press and hold down the Music button for about 10 seconds. If you wish to get more details, surf the site linked here. http://electronicshelponline.blogspot.com/ Pull up previous posts there, either by type in the model name to your set in its search box, or view it in Timeslide / Mosaic option.

Posted on Jul 13, 2013

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

snakehead
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SOURCE: Frozen lcd screen

that problem is a factory defect in the if and video section of the tv only the manufacturer could remedy that.take it to a tech so that the video board and the IF board be replaced

Posted on Apr 06, 2007

  • 1 Answer

SOURCE: hitachi 60v500a

You have a defective light engine and if you call Hitachi's customer relations department at 800-654-7013, they will give you the names of some dealers in your area to come out and confirm the problem. Once the tech tells you it's a bad light engine, Hitachi will send a brand new light engine to the dealer to come out and install. If you're not under warranty Hitahci will cover the cost of the part (around$1500) but you will have to pay the install (runs $200-400 approx)

Our TV was just fixed and it didn't cost us anything. Our TV was 2 years and 2 months old and out of warranty. After several calls to the customer relations department they agreed to pay for the labor too. If you don't get satisfaction with one person call back and ask for a supervisor. My husband was very polite but firm that he thought this should all be paid for. Our tv was fixed yesterday and it is not just like new. Good Luck

Hitachi has not recalled this (although they should) but they are replacing it. Don't get discouraged if when you call them the first time, they act like they have not heard of this problem. Just follow through and have the set looked at and they will replace the part...you just pay the install. Once our light engine was replaced, the TV is like brand new. Good Luck:)

Posted on Feb 09, 2008

  • 98 Answers

SOURCE: Blue flickering on plasma screen

Need to adjust some voltage on the Power Board & Y- Main Board.

Posted on Feb 06, 2009

  • 69 Answers

SOURCE: I have a blue line on the righthand side of my lcd tv

its the lcd panel

Posted on Apr 02, 2010

  • 1 Answer

SOURCE: I have telefunken tv, TTV-293D,

DEGOUS THE SCREEN PROBLEM SOLVED.

Posted on Jan 15, 2011

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