Hi,
Having an issue with the display. Is this a ribbon issue? Is the same in all inputs and menu.
Having an issue with the display. Is this a ribbon issue? Is the same in all inputs and menu.
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Re: Samsung UN55D7000LF Display issue
It's a bad panel.
you'd need to take it down to the panel, press on the ribbons to see if the picture comes back. -
Re: Samsung UN55D7000LF Display issue
Is this the problem?
The ribbon is missingAttached FilesComment
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Re: Samsung UN55D7000LF Display issue
yep... that's is likely the ribbon that generates that side. Must be some story behind this one as I don't think it would have just disappeared... :-)Comment
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Re: Samsung UN55D7000LF Display issue
History of this TV? Someone/shop else worked on this unit before?
That black vertical line is due to bad panel.Last edited by budm; 11-02-2015, 12:07 PM.Never stop learning
Basic LCD TV and Monitor troubleshooting guides.
http://www.badcaps.net/forum/showthr...956#post305956
Voltage Regulator (LDO) testing:
http://www.badcaps.net/forum/showthr...999#post300999
Inverter testing using old CFL:
http://www.badcaps.net/forum/showthr...er+testing+cfl
Tear down pictures : Hit the ">" Show Albums and stories" on the left side
http://s807.photobucket.com/user/budm/library/
TV Factory reset codes listing:
http://www.badcaps.net/forum/showthread.php?t=24809Comment
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Re: Samsung UN55D7000LF Display issue
Most likely, if you put that ribbon cable back, it won't turn on at all.
Do you see some damages at the T-Con board, panel's PCB/tabs?Comment
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Re: Samsung UN55D7000LF Display issue
The history is I bought it from a guy who had a bunch of tvs that was moving. He told me the ribbon was the problem, I wanted to confirm before I bought it, which seems it may not be.
The tcon board looks in good shape.Comment
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Re: Samsung UN55D7000LF Display issue
Is it for sure bad display even with that ribbon missing?Comment
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Re: Samsung UN55D7000LF Display issue
have you tried swopping the ribbon cable to the other side? if so what image do you get then.Comment
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https://www.facebook.com/Telford-Tel...7894576335359/Comment
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Re: Samsung UN55D7000LF Display issue
Swapped the ribbon.
Still have vertical bars. On same sideAttached FilesComment
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Re: Samsung UN55D7000LF Display issue
Check for shoddy connections on some of the resistors and capacitors up on top of that FRP board that connect the ribbon cable to the panel on that side. I've seen a few instances where there is a bad connection or a bad solder joint on some of those SMD capacitors up on top of that board. If not your panels definitely badDid I leave the soldering iron on?Comment
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Re: Samsung UN55D7000LF Display issue
bad panel i guess then but atleast you can either keep or sell the boards and led strips out of it to get some money back etcComment
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Re: Samsung UN55D7000LF Display issue
are these panels not repairable? Ive been told you can get the bonded tabs replaced?Comment
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Original T-con:
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First replacement T-con:
I thought it might be t-con and ordered new t-con from china(supposedly tested)... -
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