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x240 backlight fuse

X230-X280, X390 Series
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czpath2
Posts: 17
Joined: Mon Jan 14, 2013 7:03 pm
Location: San Jose, CA

x240 backlight fuse

#1 Post by czpath2 » Wed Dec 27, 2017 4:35 pm

Any idea where the fuse for the backlight is? Tried a bunch but they are all good.

Assume either this fuse is out or the backlight is dead [Screen shows, but no backlight].

Thanks!
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RealBlackStuff
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Re: x240 backlight fuse

#2 Post by RealBlackStuff » Thu Dec 28, 2017 2:33 am

That should be fuse F3, type ERBRD3R00X (32V, 3A), located near the mobo's LCD-connector.
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czpath2
Posts: 17
Joined: Mon Jan 14, 2013 7:03 pm
Location: San Jose, CA

Re: x240 backlight fuse

#3 Post by czpath2 » Thu Dec 28, 2017 4:02 am

Thanks! You saved me chasing my tail any further The fuse has continuity. [As you said, it's nearby the connector: it's on the opposite side of the PCB directly over the connector].

Could be a bad display (bought it a while back and hasn't been tested) or a bad cable (got it without a LCD so don't know).

Ugh. Also getting 2100 drive detection errors which I assume is either a bad cable or MB issue.

May just stick with x220/x230 for a while longer.
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