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Crumbtrail TV Forums: TV Equipment: LCD TV Forum:
TCL screen black fast spreading spot

 

 


alanso
New User

Apr 25, 2015, 12:17 PM

Post #1 of 2 (1591 views)
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TCL screen black fast spreading spot Can't Post

Hello everybody,

I hope somebody can help me out.
The problem I have is with a TCL L40F11F LCD TV.

The screen is spreading a black spot if it is turned on. Going to a menu the spot gets blue.
Because it is difficult to describe the problem exactly I made a movie from it and put it on youtube.
You can see it here https://www.youtube.com/watch?v=hiv1r3xOQuE

Now there are only three main parts in the TV and the question is which part is broken.

1. Main board
2. Power Supply
3. LCD screen

I did looked for bad capacitors on the power supply but they all looked fine.

When searching on the Internet I get different results.
So I hope somebody here saw this problem before and has the right answer for me.

thank you for your time.

Alan


(This post was edited by alanso on Apr 25, 2015, 12:24 PM)



jts1957
Veteran


Apr 25, 2015, 6:42 PM

Post #2 of 2 (1563 views)
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Re: [alanso] TCL screen black fast spreading spot [In reply to] Can't Post

1 or 3

Since OSD seems OK, that would tend to eliminate tcon (without board part numbers - likely part of panel).


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