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1) Battery Current Leakage More then 2.5UA. 1)Check whether ECN is implimented(Holes drilled behind BGA Chip). 2)If ECN is implimented,then check resistance of RTC Ckt. if showing Low Resistance replace them 3)If all above resistance is ok,then either I/O or Southbridge/PCH Chip will be faulty.(Try Removing I/O Chip First before proceeding withSouthbridge/PCHChip Removal ) |
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