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Aporte original por: Minho ,

Texto:

Did you try a known-good screen before doing the micro-soldering? It may be a dumb question but sometimes the problem is not what we think. If you confirmed with another screen that the issue was logic board related, then  check the various touch-related voltages to insure they are present and not shorted. If they look good, then consider removing one or the other Touch IC (one at a time), it may have a connection issue with one of the solder balls.

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