I fixed this 2/6/2016, the connector for the LED strip PCB just came off the solder pads.
Attached Files
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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=24809 -
Re: Sharp LC-40LE550U no Backlights due to bad connector
Now this is some real s**t for a TV set to be this new and you have to be fix already ---> really
Do they make any thing good any more
Did they at least use a good brand of caps in this TV setLast edited by sam_sam_sam; 09-20-2016, 03:55 PM. -
Re: Sharp LC-40LE550U no Backlights due to bad connector
I fixed it in 2/2016 but I do not know what year it is built.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: Sharp LC-40LE550U no Backlights due to bad connector
How did you open the LCD ? I've try to get to those parts and it's very difficult. Do you have a Guide?Comment
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Re: Sharp LC-40LE550U no Backlights due to bad connector
No specific instructs but they are all very similar and do not mix up the order of the diffuser sheets.
Here are many videos on the subject.
https://www.youtube.com/results?sear...ed+strip+in+tvComment
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Re: Sharp LC-40LE550U no Backlights due to bad connector
Thank you Doc38343.
I was able to take it apart but none of the led's turn on.
How could I test the power supply for this tv?
When I plug it in a get the green light indicator but no pic or sound and no back lights .
Any help will greatly be apriciated.Comment
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Re: Sharp LC-40LE550U no Backlights due to bad connector
you might be best off starting a new thread on your tv.
you will need pics of the rear, without the back cover on and pics of each board and it will start things off quickly if you can also list the voltages on the wiring connector that runs to the main board.
list it as
pin no, pin desc, v in stby, v when powered on.
we can then start guiding you where to look and what to test.WHY CAN'T PHILIPS USE PHILLIPS HEAD SCREWS?Comment
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Re: Sharp LC-40LE550U no Backlights due to bad connector
Will do.
Thank youComment
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Re: Sharp LC-40LE550U no Backlights due to bad connector
I came across one of these too. Had the image on the screen if the flashlight was shining on it. I opened up the panel as you suggested, and two of those connectors linking the LED strips fell off in my hand.
Resoldered them, got it back together, and it lights up!
See, I do search here before posting a question. :-)
Thanks again.
PaulComment
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