If the pad has been completely ripped off the board, the only options would be:
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1) Find the trace the pad normally connects to, scrape off some lacquer and re-attach to a new point. or 2) Replace the whole board. You should be okay with attaching the cable to the race or the next point where the trace leads to. You need a good magnifying lamp, a steady hand and good equipment.
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1) Find the trace the pad normally connects to, scrape off some lacquer and re-attach to a new point. or 2) Replace the whole board. You should be okay with attaching the cable to the race or the next point where the trace leads to. You need a good magnifying lamp, a steady hand and good equipment. You should also check on here http://www.ifixit.com/Answers/View/61241/Anyway+to+reattach+solder+pads and here is a great general guide
If the pad has been completely ripped off the board, the only options would be:
1) Find the trace the pad normally connects to, scrape off some lacquer and re-attach to a new point. or 2) Replace the whole board. You should be okay with attaching the cable to the race or the next point where the trace leads to. You need a good magnifying lamp, a steady hand and good equipment.