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Could be a few things. Are you willing to take it apart to look at the boards?Could be a few things. Are you willing to take it apart to look at the boards?
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? 6:44
https://www.youtube.com/watch?v=OKklZpTGBGU
Apr 27, 2014 - Uploaded by Keith Fox
I demonstrate in this video how to repair a Sanyo by swap out the... the Sanyo DP47460 that I'm having an issue with. after ~ 40minutes of watching, if I attempt to change the channel or adjust the volume, the picture/screen freezes. ... After ~ 20 seconds, theTV will automatically shut off, then turn back on.
? 9:24
https://www.youtube.com/watch?v=7Rj22VNhKXg
Jun 25, 2012 - Uploaded by Tampatec
EASY HOW TO FIX SAMSUNG TV- TURNS OFF RANDOMLY Clicking ... Hi, I've got a Samsung LED TV that switches off after20 seconds and remains off. .... after about couple of minutes, is this the same problem with the tv in the video? .... 10:32. How to repair a Samsung LCD TV with a flashing standby ...
This is a text box. This can be turned off under the closed captioning. There should be a cc button on your remote or the closed captioning features can be accessed from your television's menu. Turn closed captioning completely off to get rid of these text boxes.
This is the closed captioning, even though it may not contain writing in the block. If you can access the main menu then you can try and turn the CC to off. Otherwise you are stuck with it.
Hi Paul,
It looks like your TV might have a main board failure if the screen stays white without video. Since your TV is less then a year, I would suggest to contact the manufacturers to get fix under warranty. Most electronics devices carry one year warranty.
Good Luck.
If you mean that you get a black box, with a little of the picture visible around the edges, then your closed captions are on and set to TEXT. This puts a black box on the screen about 10 seconds after changing the channel. Go into the menu and turn off the closed captions and the picture will be back to normal.
Could be a few things. Are you willing to take it apart to look at the boards?
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