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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Samsung > Samsung Hardware Repair

Samsung Hardware Repair Post here your Hardware Repairing Hints or Problems with Samsung Phones.

 
 
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Old 04-22-2016, 00:19   #1 (permalink)
HUM
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Join Date: Jul 2005
Location: karachi
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i9300 no power need ur expertise

history :
recieve in hang /heating / sometimes null problem
not water damage
steps taken :
change baseband ic
reball emmc but same
finally change small rf crystal ic but same
i have doubt on this ic so i replace again but this time when i power on the phone its not on
i chk on external power supply it takes auto amp(even i remove emmc/baseband/small rf ic
but still take auto amp
like in picture


when press power key
needle goes like this and after releasing power key needle returns

pcb picture
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