Question about Toshiba 55TL515U 3D LCD TV
Hi There, When I turn on my Toshiba 55TL515U , I get white/grayish blank screen, wondering what cause the problem ? bad main-board or T-Con board ? Power supply is working.
The T con board or the LCD panel is faulty . You have to replace the TCON Board to confirm whether it was tcon or the LCD panel.
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Posted on Apr 15, 2016
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Posted on Jan 02, 2017
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When a phone screen is blank, has a white screen, etc, there
are three things that could be the cause;
If your phone is having a white screen, first thing to do is
dismantle the phone carefully, check if the screen is properly fixed to the
phone board, also check if screen flex is intact. Once you've confirmed that
all these are okay and screen is not still coming up, then it means your screen
is bad. You can go ahead and replace the screen.
Make sure you confirm the screen is bad before you do any
software/virus problem on phones are mistaken to screen problem. When a screen
is white or blank, sometimes it's a virus problem. To further confirm, turn on
the phone, wait for about 2 minutes when you know the phone must have booted
fully, then use another phone to call the phone with white or blank screen. If
the phone rings, it means it's not a virus problem, but if it doesn't ring, it
means it's a software/virus problem.
If you discover your phone has a virus problem, you will
have to flash the phone for it to display again,
When your phone screen is blank, white, has
horizontal/vertical lines, turn images up-side-down, etc, be calm, there is
nothing wrong with your screen, the problem is from the flex that connects your
screen to the phone's main board. This flex must have worn out, that's why your
screen is acting like any of the mentioned problem.
This is usually common with flip and slide phones. The flex
worn out as a result of constant opening and close of the flip or slide phone.
Samsung and Motorola phones mostly have this kind of problems.
Replacing the flex is the only solution to this problem. If
you cannot change the flex yourself, maybe you should take the phone to a local
repairer within your vicinity, so that the flex can be replaced.
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