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X200 Tablet (LED) Backlight problem Help ME!

Posted: Sat May 25, 2013 6:37 am
by djdanny
Hi all!

I have Lenovo X200 Tablet (7450-86G)
I have a problem. Led backlight no lighting.
Replacing Lcd cable, no lighting.
External video output ok.

Please help, how to solved the problem.
Thank you all!

Re: X200 Tablet (LED) Backlight problem Help ME!

Posted: Tue May 28, 2013 10:25 am
by Sir_Andross
djdanny wrote:Hi all!

I have Lenovo X200 Tablet (7450-86G)
I have a problem. Led backlight no lighting.
Replacing Lcd cable, no lighting.
External video output ok.

Please help, how to solved the problem.
Thank you all!
You need a new equivalent LED LCD. I presume the LED has failed in yours?

Shine a light on it, if there's something there then it's the LED backlight that's failed. You need a new panel.

Re: X200 Tablet (LED) Backlight problem Help ME!

Posted: Thu May 30, 2013 3:09 am
by djdanny
Lid closed, windows no hibernate.
Search lid switch...
MAinboard shematic: http://elektrotanya.com/lenovo_thinkpad ... nload.html
magnetic on bezel:
http://kepfeltoltes.hu/130527/fot__www. ... es.hu_.jpg

Re: X200 Tablet (LED) Backlight problem Help ME!

Posted: Wed Jun 26, 2013 5:59 pm
by xyz
check fuse f7 near lcd connector on motherboard

If you have a dim screen and no back light