Is there anything to consider when repairing Cherry keyboards?

Hello again,

I got two of the keyboards I bought recently today and one of them is a G80-11800 (brown MX switches, trackball). It is used and dirty, but it was really cheap. The only problem is: It's defective (which the seller did not say! I'm mad! But on the other hand, it was really cheap, so it's not worth the hassle) and thus I need to repair it.

A picture is worth a thousand words, though, so this is my problem:
thatsnice.jpg
Is there anything to consider or take care of when repairing these boards? I'd trace the broken traces to the last solder pad and solder wires to the switches that currently don't work from there. Is there anything else you can recommend?

-huha
이전 댓글 3
huha 2009-06-03 06:24
My soldering skills are pretty bad, but it seems to work fine now. -huha
inornate 2009-06-04 03:15
It's better to driil a hole at the end of the cracks. This treat will prevent your PCB from running crack.
호호아빠 2009-06-12 00:04
If you take off the ball, then you can find three pins and laser sensing device in the ball case hole. Please, cleansing these three pins and laser sensing device with soft clothes. If you dropped the ball then the ball might have small defect on the surface. This can make the miss operation of the trackball.If you installed or changed trackball system device driver inproperlly, this can make problem also. In this case you can reinstall proper device driver.I hope you can fix this problem.  
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