Репутация: 61
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Replaced the LCD o a customers iPad Pro 12.9, solder job all done well but there's no touch. The LCD comes but but won't respond to my touch. Could it be a bad screen ?
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Репутация: 169
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Check to make sure all the connectors are fully inserted. It is possible it is a bad screen but make sure everything is firmly connected and the ports inside are dust free.
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Репутация: 1
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This problem mostly occur when tech connect LCD with battery connected and filter is blown 120Ohm 450mA near to Touch Connector.
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Репутация: 61
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Got word that I might have blown the "power touch line" without schematics I don't know what to do :(
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Репутация: 121
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If you didn't disconnect the battery while fitting the screen you have burnt out the touch filter unfortunately you need a multimeter and check for continuity
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