[ltp] Replacing the backlight of the thinkpad LCD

[cupaxe]

Hello everyone,

Thank you so much for all your helpful suggestions and tips so far. On
your suggestion, I purchased and replaced the inverter with the same
exact model number (second hand though) from eBay. Unfortunately for
me, it didn't solve the problem.

The display starts off fine, bright and clear. At random times during
the boot, it just goes completely blank and has to be rebooted for it
to appear again. The exact time from the start of the reboot when it
goes blank is different for every reboot.

Do you all still think it is an inverter problem? If not, then is it a
backlight problem? I then need to replace the backlight which seems to
be very complicated from the looks for it. I still haven't removed the
LCD from the casing so I don't even know what lies behind it and how I
can get to the backlight. Looking forward to all your guidance and
suggestions.

Thanks,
Krishna


On Tue, Dec 16, 2008 at 8:39 AM, Henrique de Moraes Holschuh
<hmh@hmh.eng.br> wrote:
> On Mon, 15 Dec 2008, bhaskins@chartermi.net wrote:
>> Many inverter problems are actually the cable that brings the power over to the inverter.
>> A brand new out of the box white eraser can be used to remove the lead oxide that forms on the cable.
>> Then too, sometimes the cable is broken, it flexes everytime that you open and close the lid.
>
> Also, if you get anywhere near any solder joints on those cables (I don't
> know if IBM used solder or proper connectors), be very sure to do a perfect
> job, without any sharp or pointy edges.  Bad contact in the inverter output
> (be it broken cable, connector, or bad solder joint) is a recipe for
> disaster.
>
> --
>  "One disk to rule them all, One disk to find them. One disk to bring
>  them all and in the darkness grind them. In the Land of Redmond
>  where the shadows lie." -- The Silicon Valley Tarot
>  Henrique Holschuh
> --
> The linux-thinkpad mailing list home page is at:
> http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
>