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Black glob works its way across the television screen

We have a 36" JVC, which is about 7 years old. It has worked great all these years. All of a sudden, I noticed a small area on the right side of the screen that would have a jittery black area. The black area would disappear, come back again larger and larger until it now takes over about half or more of the entire screen. After a while, it normally goes away; but not always. I can't figure out what could cause this.

Any help?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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jomaru
  • 337 Answers

SOURCE: JVC AV-27920 Empty Black Caption Box That won't Go Away

I imagine when you are goin tru the captions options each one is being highlighted ,when you get to the last one press the arrow down button and FINISH should appear and it should be highlighted the press the arrow to the right or to the left to save,the press menu to exit.Check this http://books.jvcservice.com/download/909020829/19165.pdf....pages 13 and 19

Posted on Sep 25, 2006

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simplemitch
  • 752 Answers

SOURCE: Screen is half Black

The ribbon cable that controls the screen is damaged (or the liquid crystal has baked out... tis happens when the unit is exposed to high temps or long periods of direct sunlight). From my experience w/ these calculators they cannot be repaired.

Posted on Sep 11, 2007

SOURCE: Black Screen with horizontal lines

are u sure that ur not able to see the fone's stand by screen now?its totally black?are u sure that there's no problem with the screen itself,the care guys might have left the screen connection loose. other wise try one thing,Format ur fone. by pressing *#7370# u have press keys once wait for 5 seconds and press the left selectin key [where u get the YES option normally. the fone would restart and lets see are u able to go back on the screen. IF YES then u can set the Sleep mode to off cuz the sleep mode gets inititated after 20 minutes when u keep ur fone idle means u dont operate ur fone for atleast 20 minutes. BUT IN THIS CASE ULL LOSE ALL UR DATA INCLUDING CONTACTS AND MESSAGES ETC.IF U HAVENT TAKEN THE BACK UP EARLIER.so its totally upto u that u want to proceed with this step or u can again show ur fone to the nokia care guys. but they'll charge u cuz obviously after 2 years ur fone is out of warranty

Posted on Oct 05, 2008

  • 1 Answer

SOURCE: Zenith TV has a big black box in the middle of the screen.

After reading other postings, we figured out that it was the caption box, went to menu and turned it off.
Thanks for the great site, we wouldn't have figured it out without it !

Jen

Posted on Nov 16, 2008

  • 75 Answers

SOURCE: TV: bright line across black screen for several hours.

vertical problem need to check for bad solder joints on vertical ic would be helpfull if we had the model number o f yur set. also could be bad capasistors in vertical section.

Posted on Mar 09, 2009

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