Samsung i780 Service Manual
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Contents
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SAMSUNG Proprietary-Contents may change without noticeFlow Chart of Troubleshooting9-29This Document can not be used without Samsung's authorization9-9. WLAN WorkingNGNOYESNOYESNOYESYESOPERATE WLANANT106, R150, R151are OK?R140,R142 are OK?PIN4 in U517=3.3VPIN8 in U509=3.0VPIN7 in U509=1.8VWhile operating WLANWLAN Intenna on RearCase is OK?Replace or Resolder theANT106, R150, R151Replace the WLANintennaCheck neighboring circuitand Replace U517,U509or neighboring partsReplace or Resolder R140,R142Replace MOD101 |
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